Change the checkboxes so that the name includes the index inside the brackets:

<input type="checkbox" class="checkbox_veh" id="checkbox_addveh<?php echo $i; ?>" <?php if ($vehicle_feature[$i]->check) echo "checked"; ?> name="feature[<?php echo $i; ?>]" value="<?php echo $vehicle_feature[$i]->id; ?>"> 

The checkboxes that aren't checked are never submitted. The boxes that are checked get submitted, but they get numbered consecutively from 0, and won't have the same indexes as the other corresponding input fields.

Your variable declarations and their scope are correct. The problem you are facing is that the first AJAX request may take a little bit time to finish. Therefore, the second URL will be filled with the value of sID before the its content has been set. You have to remember that AJAX request are normally asynchronous, i.e. the code execution goes on while the data is being fetched in the background.

You have to nest the requests:

$.getJSON("https://prod.api.pvp.net/api/lol/eune/v1.1/summoner/by-name/"+input+"?api_key=API_KEY_HERE"  , function(name){   obj = name;   // sID is only now available!   sID = obj.id;   console.log(sID); }); 

• Put the second request into a function
• and let it accept sID as a parameter, so you don't have to declare it globally anymore! (Global variables are almost always evil!)
• Remove sID and obj variables - name.id is sufficient unless you really need the other variables outside the function.

$.getJSON("https://prod.api.pvp.net/api/lol/eune/v1.1/summoner/by-name/"+input+"?api_key=API_KEY_HERE"  , function(name){   // We don't need sID or obj here - name.id is sufficient   console.log(name.id);    doSecondRequest(name.id); });  /// TODO Choose a better name function doSecondRequest(sID) {   $.getJSON("https://prod.api.pvp.net/api/lol/eune/v1.2/stats/by-summoner/" + sID + "/summary?api_key=API_KEY_HERE", function(stats){         console.log(stats);   }); } 

Hapy New Year :)

You should not use your domain models in your views. ViewModels are the correct way to do it.

You need to map your domain model's necessary fields to viewmodel and then use this viewmodel in your controllers. This way you will have the necessery abstraction in your application.

If you never heard of viewmodels, take a look at this.

You don't want to take care of normalizing your data in a view - what if the user changes the data that gets submitted? Instead you could take care of it in the model using the before_save (or the before_validation) callback. Here's an example of the relevant code for a model like yours:

class Place < ActiveRecord::Base   before_save do |place|     place.city = place.city.downcase.titleize     place.country = place.country.downcase.titleize   end end 

You can also check out the Ruby on Rails guide for more info.

To answer you question more directly, something like this would work:

<%= f.text_field :city, :value => (f.object.city ? f.object.city.titlecase : '') %>   

This just means if f.object.city exists, display the titlecase version of it, and if it doesn't display a blank string.

We have found that adding the Apptentive cocoa pod to an existing Xcode project may potentially not include some of our required frameworks.

Check your linker flags:

Target > Build Settings > Other Linker Flags 

You should see -lApptentiveConnect listed as a linker flag:

... -ObjC -lApptentiveConnect ... 

You should also see our required Frameworks listed:

• Accelerate
• CoreData
• CoreText
• CoreGraphics
• CoreTelephony
• Foundation
• QuartzCore
• StoreKit
• SystemConfiguration

• UIKit

  -ObjC -lApptentiveConnect -framework Accelerate -framework CoreData -framework CoreGraphics -framework CoreText -framework Foundation -framework QuartzCore -framework SystemConfiguration -framework UIKit -framework CoreTelephony -framework StoreKit  

You could do $stmt->queryString to obtain the SQL query used in the statement. If you want to save the entire $stmt variable (I can't see why), you could just copy it. It is an instance of PDOStatement so there is apparently no advantage in storing it.

Just wondering why you are using 2 directives?

It seems like, in this case it would be more straightforward to have a controller as the parent - handle adding the data from your service to its $scope, and pass the model you need from there into your warrantyDirective.

Or for that matter, you could use 0 directives to achieve the same result. (ie. move all functionality out of the separate directives and into a single controller).

It doesn't look like you're doing any explicit DOM transformation here, so in this case, perhaps using 2 directives is overcomplicating things.

Alternatively, have a look at the Angular documentation for directives: http://docs.angularjs.org/guide/directive The very last example at the bottom of the page explains how to wire up dependent directives.

Make sure you have the prerequisite, a JVM (http://wiki.eclipse.org/Eclipse/Installation#Install_a_JVM) installed.

This will be a JRE and JDK package.

There are a number of sources which includes: http://www.oracle.com/technetwork/java/javase/downloads/index.html.

I think you missed a equal sign at:

Cursor c = ourDatabase.query(DATABASE_TABLE, column, KEY_ROWID + "" + l, null, null, null, null);  

Change to:

Cursor c = ourDatabase.query(DATABASE_TABLE, column, KEY_ROWID + " = " + l, null, null, null, null); 

First add an Enrty and Category class:

public class Entry {     public string Id { get; set; }     public string Title { get; set; }     public string Updated { get; set; }     public string Summary { get; set; }     public string GPoint { get; set; }     public string GElev { get; set; }     public List<string> Categories { get; set; } }  public class Category {     public string Label { get; set; }     public string Term { get; set; } } 

Then use LINQ to XML

XDocument xDoc = XDocument.Load("path");          List<Entry> entries = (from x in xDoc.Descendants("entry")             select new Entry()             {                 Id = (string) x.Element("id"),                 Title = (string)x.Element("title"),                 Updated = (string)x.Element("updated"),                 Summary = (string)x.Element("summary"),                 GPoint = (string)x.Element("georss:point"),                 GElev = (string)x.Element("georss:elev"),                 Categories = (from c in x.Elements("category")                                   select new Category                                   {                                       Label = (string)c.Attribute("label"),                                       Term = (string)c.Attribute("term")                                   }).ToList();             }).ToList(); 

You're storing the .Text properties of the textboxes directly into the database, this doesn't work. The .Text properties are Strings (i.e. simple text) and not typed as DateTime instances. Do the conversion first, then it will work.

Do this for each date parameter:

Dim bookIssueDate As DateTime = DateTime.ParseExact( txtBookDateIssue.Text, "dd/MM/yyyy", CultureInfo.InvariantCulture ) cmd.Parameters.Add( New OleDbParameter("@Date_Issue", bookIssueDate ) ) 

Note that this code will crash/fail if a user enters an invalid date, e.g. "64/48/9999", I suggest using DateTime.TryParse or DateTime.TryParseExact, but implementing that is an exercise for the reader.

USE DataBaseName; GO --------- CREATE ROLE --------- CREATE ROLE Doctors ; GO  ---- Assign Role To users -------  CREATE USER [Username] FOR LOGIN [Domain\Username] EXEC sp_addrolemember N'Doctors', N'Username'  ----- GRANT Permission to Users Assinged with this Role----- GRANT ALL ON Table1, Table2, Table3 TO Doctors; GO 

The most important difference to be aware of is that with a stream opened in text mode you get newline translation on non-*nix systems (it's also used for network communications, but this isn't supported by the standard library). In *nix newline is just ASCII linefeed, \n, both for internal and external representation of text. In Windows the external representation often uses a carriage return + linefeed pair, "CRLF" (ASCII codes 13 and 10), which is converted to a single \n on input, and conversely on output.

From the C99 standard (the N869 draft document), §7.19.2/2,

A text stream is an ordered sequence of characters composed into lines, each line consisting of zero or more characters plus a terminating new-line character. Whether the last line requires a terminating new-line character is implementation-defined. Characters may have to be added, altered, or deleted on input and output to conform to differing conventions for representing text in the host environment. Thus, there need not be a one- to-one correspondence between the characters in a stream and those in the external representation. Data read in from a text stream will necessarily compare equal to the data that were earlier written out to that stream only if: the data consist only of printing characters and the control characters horizontal tab and new-line; no new-line character is immediately preceded by space characters; and the last character is a new-line character. Whether space characters that are written out immediately before a new-line character appear when read in is implementation-defined.

And in §7.19.3/2

Binary files are not truncated, except as defined in 7.19.5.3. Whether a write on a text stream causes the associated file to be truncated beyond that point is implementation- defined.

About use of fseek, in §7.19.9.2/4:

For a text stream, either offset shall be zero, or offset shall be a value returned by an earlier successful call to the ftell function on a stream associated with the same file and whence shall be SEEK_SET.

About use of ftell, in §17.19.9.4:

The ftell function obtains the current value of the file position indicator for the stream pointed to by stream. For a binary stream, the value is the number of characters from the beginning of the file. For a text stream, its file position indicator contains unspecified information, usable by the fseek function for returning the file position indicator for the stream to its position at the time of the ftell call; the difference between two such return values is not necessarily a meaningful measure of the number of characters written or read.

I think that’s the most important, but there are some more details.

In your test, you are comparing the two TestParent beans, not the single TestedChild bean.

Also, Spring proxies your @Configuration class so that when you call one of the @Bean annotated methods, it caches the result and always returns the same object on future calls.

See here:

• How does Spring @Configuration cache references to beans

According to the error message, you declared myLoc as a pointer to an NSInteger (NSInteger *myLoc) rather than an actual NSInteger (NSInteger myLoc). It needs to be the latter.

Looks like whatever is in your Animation Drawable definition is too much memory to decode and sequence. The idea is that it loads up all the items and make them in an array and swaps them in and out of the scene according to the timing specified for each frame.

If this all can't fit into memory, it's probably better to either do this on your own with some sort of handler or better yet just encode a movie with the specified frames at the corresponding images and play the animation through a video codec.

There should be three pages here:

1. Initial login page with a form that asks for your username, but not your password.
2. You didn't mention this one, but I'd check whether the client computer is recognized, and if not, then challenge the user with either a CAPTCHA or else a security question. Otherwise the phishing site can simply use the tendered username to query the real site for the security image, which defeats the purpose of having a security image. (A security question is probably better here since with a CAPTCHA the attacker could have humans sitting there answering the CAPTCHAs to get at the security images. Depends how paranoid you want to be.)
3. A page after that that displays the security image and asks for the password.

I don't see this short, linear flow being sufficiently complex to warrant using Spring Web Flow.

I would just use straight Spring Web MVC for steps 1 and 2. I wouldn't use Spring Security for the initial login form, because Spring Security's login form expects a password and a login processing URL. Similarly, Spring Security doesn't provide special support for CAPTCHAs or security questions, so you can just use Spring Web MVC once again.

You can handle step 3 using Spring Security, since now you have a username and a password. The form login page should display the security image, and it should include the user-provided username as a hidden form field to make Spring Security happy when the user submits the login form. The only way to get to step 3 is to have a successful POST submission on step 1 (and 2 if applicable).

The linked list holds operations on the shared data structure.

For example, if I have a stack, it will be manipulated with pushes and pops. The linked list would be a set of pushes and pops on the pseudo-shared stack. Each thread sharing that stack will actually have a local copy, and to get to the current shared state, it'll walk the linked list of operations, and apply each operation in order to its local copy of the stack. When it reaches the end of the linked list, its local copy holds the current state (though, of course, it's subject to becoming stale at any time).

In the traditional model, you'd have some sort of locks around each push and pop. Each thread would wait to obtain a lock, then do a push or pop, then release the lock.

In this model, each thread has a local snapshot of the stack, which it keeps synchronized with other threads' view of the stack by applying the operations in the linked list. When it wants to manipulate the stack, it doesn't try to manipulate it directly at all. Instead, it simply adds its push or pop operation to the linked list, so all the other threads can/will see that operation and they can all stay in sync. Then, of course, it applies the operations in the linked list, and when (for example) there's a pop it checks which thread asked for the pop. It uses the popped item if and only if it's the thread that requested this particular pop.

The problem might be your split() call. Try just split(" ") without the square brackets.

Seeing that it appears you are running using the SQL syntax, try with the correct wild card.

SELECT * FROM someTable WHERE (someTable.Field NOT LIKE '%RISK%') AND (someTable.Field NOT LIKE '%Blah%') AND someTable.SomeOtherField <> 4; 

Quite a few applications seem to implement Steganography on JPEG, so it's feasible:

http://www.jjtc.com/Steganography/toolmatrix.htm

Here's an article regarding a relevant algorithm (PM1) to get you started:

http://link.springer.com/article/10.1007%2Fs00500-008-0327-7#page-1

First of all, Applets are designed to be run from within the context of a browser (or applet viewer), they're not really designed to be added into other containers.

Technically, you can add a applet to a frame like any other component, but personally, I wouldn't. The applet is expecting a lot more information to be available to it in order to allow it to work fully.

Instead, I would move all of the "application" content to a separate component, like a JPanel for example and simply move this between the applet or frame as required...

ps- You can use f.setLocationRelativeTo(null) to center the window on the screen ;)

Updated

You need to go back to basics. Unless you absolutely must have one, avoid applets until you understand the basics of Swing, case in point...

Within the constructor of GalzyTable2 you are doing...

JApplet app = new JApplet(); add(app); app.init(); app.start(); 

...Why are you adding another applet to an applet??

Case in point...

Within the main method, you are trying to add the instance of JFrame to itself...

f.getContentPane().add(f, button2); 

Instead, create yourself a class that extends from something like JPanel, add your UI logical to this, using compound components if required.

Then, add this panel to whatever top level container you need.

Take the time to read through Creating a GUI with Swing

Updated with example

import java.awt.BorderLayout; import java.awt.Dimension; import java.awt.EventQueue; import java.awt.event.ActionEvent; import javax.swing.ImageIcon; import javax.swing.JButton; import javax.swing.JFrame; import javax.swing.JPanel; import javax.swing.JScrollPane; import javax.swing.JTable; import javax.swing.UIManager; import javax.swing.UnsupportedLookAndFeelException;  public class GalaxyTable2 extends JPanel {      private static final int PREF_W = 700;     private static final int PREF_H = 600;      String[] columnNames                     = {"Phone Name", "Brief Description", "Picture", "price",                         "Buy"};  // Create image icons     ImageIcon Image1 = new ImageIcon(                     getClass().getResource("s1.png"));     ImageIcon Image2 = new ImageIcon(                     getClass().getResource("s2.png"));     ImageIcon Image3 = new ImageIcon(                     getClass().getResource("s3.png"));     ImageIcon Image4 = new ImageIcon(                     getClass().getResource("s4.png"));     ImageIcon Image5 = new ImageIcon(                     getClass().getResource("note.png"));     ImageIcon Image6 = new ImageIcon(                     getClass().getResource("note2.png"));     ImageIcon Image7 = new ImageIcon(                     getClass().getResource("note3.png"));      Object[][] rowData = {         {"Galaxy S", "3G Support,CPU 1GHz",             Image1, 120, false},         {"Galaxy S II", "3G Support,CPU 1.2GHz",             Image2, 170, false},         {"Galaxy S III", "3G Support,CPU 1.4GHz",             Image3, 205, false},         {"Galaxy S4", "4G Support,CPU 1.6GHz",             Image4, 230, false},         {"Galaxy Note", "4G Support,CPU 1.4GHz",             Image5, 190, false},         {"Galaxy Note2 II", "4G Support,CPU 1.6GHz",             Image6, 190, false},         {"Galaxy Note 3", "4G Support,CPU 2.3GHz",             Image7, 260, false},};      MyTable ss = new MyTable(                     rowData, columnNames);      // Create a table     JTable jTable1 = new JTable(ss);      public GalaxyTable2() {         jTable1.setRowHeight(70);          add(new JScrollPane(jTable1),                         BorderLayout.CENTER);          JPanel buttons = new JPanel();          JButton button = new JButton("Home");         buttons.add(button);         JButton button2 = new JButton("Confirm");         buttons.add(button2);          add(buttons, BorderLayout.SOUTH);     }      @Override      public Dimension getPreferredSize() {         return new Dimension(PREF_W, PREF_H);     }      public void actionPerformed(ActionEvent e) {         new AMainFrame7().setVisible(true);     }      public static void main(String[] args) {          EventQueue.invokeLater(new Runnable() {             @Override             public void run() {                 try {                     UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());                 } catch (ClassNotFoundException | InstantiationException | IllegalAccessException | UnsupportedLookAndFeelException ex) {                     ex.printStackTrace();                 }                  JFrame frame = new JFrame("Testing");                 frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);                 frame.add(new GalaxyTable2());                 frame.pack();                 frame.setLocationRelativeTo(null);                 frame.setVisible(true);             }         });     } } 

You also seem to have a lack of understanding about how to use layout managers.

Take the time to read through Creating a GUI with Swing and Laying components out in a container

Somehow, where you are using Sentry, you're not using its Facade, but the class itself. When you call a class through a Facade you're not really using statics, it's just looks like you are.

Do you have this:

use Cartalyst\Sentry\Sentry; 

In your code?

Ok, but if this line is working for you:

$user = $this->sentry->register(array(     'username' => e($data['username']),     'email' => e($data['email']),      'password' => e($data['password'])     )); 

So you already have it instantiated and you can surely do:

$adminGroup = $this->sentry->findGroupById(5); 

<td class="first"> <?php echo $proxy ?> </td> is inside a literal string that you are echoing. End the string, or concatenate it correctly:

<td class="first">' . $proxy . '</td>

As noted in the release email, linked to from the release tweet and noted in large orange warning that appears on the front page of the documentation, and less orange, but still present, in the readme on the repository and the release on pypi:

xlrd has explicitly removed support for anything other than xls files.

In your case, the solution is to:

• make sure you are on a recent version of Pandas, at least 1.0.1, and preferably the latest release. 1.2 will make his even clearer.
• install openpyxl: https://openpyxl.readthedocs.io/en/stable/
• change your Pandas code to be:

  df1 = pd.read_excel(
       os.path.join(APP_PATH, "Data", "aug_latest.xlsm"),
       engine='openpyxl',
  )
  

Extensions without enough permission on chrome can cause these warnings, for example for React developer tools, check if the following procedure solves your problem:

1. Right click on the extension icon.

Or

1. Go to extensions.
2. Click the three-dot in the row of React developer tool.

Then choose "this can read and write site data". You should see 3 options in the list, pick one that is strict enough based on how much you trust the extension and also satisfies the extensions's needs.

I have the same issue, but I use GitLab instead of Jenkins. The steps I had to do to get over the issue:

1. My project is in GitLab so it uses the .yml file which points to a Docker image I have to do continuous integration, and the image it uses has the http://maven URLs. So I changed that to https://maven.
2. That same Dockerfile image had an older version of Maven 3.0.1 that gave me issues just overnight. I updated the Dockerfile to get the latest version 3.6.3
3. I then deployed that image to my online repository, and updated my Maven project ymlfile to use that new image.
4. And lastly, I updated my main projects POM file to reference https://maven... instead of http://maven

I realize that is more specific to my setup. But without doing all of the steps above I would still continue to get this error message Return code is: 501 , ReasonPhrase:HTTPS Required

You can do it using named-entity recognition (NER). It's fairly simple and there are out-of-the-shelf tools out there to do it, such as spaCy.

NER is an NLP task where a neural network (or other method) is trained to detect certain entities, such as names, places, dates and organizations.

Example:

Sponge Bob went to South beach, he payed a ticket of $200!
I know, Michael is a good person, he goes to McDonalds, but donates to charity at St. Louis street.

Returns:

Just be aware that this is not 100%!

Here are a little snippet for you to try out:

import spacy

phrases = ['Sponge Bob went to South beach, he payed a ticket of $200!', 'I know, Michael is a good person, he goes to McDonalds, but donates to charity at St. Louis street.']
nlp = spacy.load('en')
for phrase in phrases:
   doc = nlp(phrase)
   replaced = ""
   for token in doc:
      if token in doc.ents:
         replaced+="XXXX "
      else:
         replaced+=token.text+" "

Read more here: https://spacy.io/usage/linguistic-features#named-entities

You could, instead of replacing with XXXX, replace based on the entity type, like:

if ent.label_ == "PERSON":
   replaced += "<PERSON> "

Then:

import re, random

personames = ["Jack", "Mike", "Bob", "Dylan"]

phrase = re.replace("<PERSON>", random.choice(personames), phrase)

This happens because $cOTLdata is not null but the index 'char_data' does not exist. Previous versions of PHP may have been less strict on such mistakes and silently swallowed the error / notice while 7.4 does not do this anymore.

To check whether the index exists or not you can use isset():

isset($cOTLdata['char_data'])

Which means the line should look something like this:

$len = isset($cOTLdata['char_data']) ? count($cOTLdata['char_data']) : 0;

Note I switched the then and else cases of the ternary operator since === null is essentially what isset already does (but in the positive case).

If you don't have Homebrew or don't know what is it

/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
brew update && brew upgrade
brew uninstall openssl; brew uninstall openssl; brew install https://github.com/tebelorg/Tump/releases/download/v1.0.0/openssl.rb

Or if you already have Homebrew installed

brew update && brew upgrade
brew uninstall openssl; brew uninstall openssl; brew install https://github.com/tebelorg/Tump/releases/download/v1.0.0/openssl.rb

This works for me on Mac 10.15

In my case it was - no disk space left on the web server.

script1.ps1 cannot be loaded because running scripts is disabled on this system. For more information, see about_Execution_Policies at http://go.microsoft.com/fwlink/?LinkID=135170

This error happens due to a security measure which won't let scripts be executed on your system without you having approved of it. You can do so by opening up a powershell with administrative rights (search for powershell in the main menu and select Run as administrator from the context menu) and entering:

set-executionpolicy remotesigned

It is important to run your mongod command and keep the server running. If not, you will still be seeing this error.

I attach you my code:

const mongodb = require('mongodb')
const MongoClient = mongodb.MongoClient

const connectionURL = 'mongodb://127.0.0.1:27017'
const databaseName = 'task-manager'

MongoClient.connect(connectionURL, {useNewUrlParser: true, useUnifiedTopology: true}, (error, client) => {
    if(error) {
        return console.log('Error connecting to the server.')
    }

    console.log('Succesfully connected.')
})

I got this problem when I directly downloaded code files from GitHub but it was showing this error, but my colleague told me to use "Git bash here" and use the command to Gitclone it. After doing so it works fine.

For me, the problem was in firebase.json, the site name was incorrect.

In my case, adding a dtype attribute changed dtype of the array to a smaller type(from float64 to uint8), decreasing array size enough to not throw MemoryError in Windows(64 bit).

from

mask = np.zeros(edges.shape)

to

mask = np.zeros(edges.shape,dtype='uint8')

When we do something like this obj[key] Typescript can't know for sure if that key exists in that object. What I did:

Object.entries(data).forEach(item => {
    formData.append(item[0], item[1]);
});

if your using snap package dotnet-sdk on linux this can resolve by updating your ~.bashrc / etc. as follows:

#!/bin/bash
export DOTNET_ROOT=/snap/dotnet-sdk/current
export MSBuildSDKsPath=$DOTNET_ROOT/sdk/$(${DOTNET_ROOT}/dotnet --version)/Sdks
export PATH="${PATH}:${DOTNET_ROOT}"
export PATH="$PATH:$HOME/.dotnet/tools"

Workaround: If you have installed python from exe follow below steps.

Step 1: Uninstall python

Step 2: Install python and check Python path check box as highlighted in below screentshot(yellow).

This solved me the problem.

You can use "export default" by calling an Arrow Function that returns its React.Component by passing it through the MaterialUI class object props, which in turn will be used within the Component render ().

class AllowanceClass extends Component{
    ...
    render() {
        const classes = this.props.classes;
        ...
    }
}

export default () => {
    const classes = useStyles();
    return (
        <AllowanceClass classes={classes} />
    )
}

This worked for me:

In package.json

Changed "@angular-devkit/build-angular": "^0.800.0" --> "@angular-devkit/build-angular": "^0.10.0" Then:

 npm install
 ng serve

Specs:

Angular CLI: 6.1.5 Node: 10.15.3 OS: win32 x64 Angular: 6.1.9

I changed @angular-devkit/build-angular": "0.9.0.1" to @angular-devkit/build-angular": "0.13.4" and it worked.

in your tsconfig you have to add: "esModuleInterop": true - it should help.

Add <maven-jar-plugin.version>3.1.1</maven-jar-plugin.version> in property tag

problem resolve

https://medium.com/@saannjaay/unknown-error-in-pom-xml-66fb2414991b

Use this

 from tensorflow.keras.datasets import imdb

instead of this

 from keras.datasets import imdb

I used google colab to run my models and everything was perfect untill i used inline tesorboard. With tensorboard inline, I had the same issue of "Module 'tensorflow' has no attribute 'contrib'".

It was able to run training when rebuild and reinstall the model using setup.py(research folder) after initialising tensorboard.

You don't need to run Xcode 10.2 for iOS 12.2 support. You just need access to the appropriate folder in DeviceSupport.

A possible solution is

• Download Xcode 10.2 from a direkt link (not from App Store).
• Rename it for example to Xcode102.
• Put it into /Applications. It's possible to have multiple Xcode versions in the same directory.

• Create a symbolic link in Terminal.app to have access to the 12.2 device support folder in Xcode 10.2

  ln -s /Applications/Xcode102.app/Contents/Developer/Platforms/iPhoneOS.platform/DeviceSupport/12.2\ \(16E226\) /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/DeviceSupport
  

You can move Xcode 10.2 to somewhere else but then you have to adjust the path.

Now Xcode 10.1 supports devices running iOS 12.2

The imports have changed for core-js version 3.0.1 - for example

import 'core-js/es6/array'; and import 'core-js/es7/array';

can now be provided simply by the following

import 'core-js/es/array';

if you would prefer not to bring in the whole of core-js

If you face this issue in Linux, one of the common reasons can be that the folder "anaconda3" or "anaconda2" has root ownership. This prevents other users from writing into the folder. This can be resolved by changing the ownership of the folder from root to "USER" by running the command:

sudo chown -R $USER:$USER anaconda3

or sudo chown -R $USER:$USER <path of anaconda 3/2 folder>

Note: How to figure out whether a folder has root ownership? -- There will be a lock symbol on the top right corner of the respective folder. Or right-click on the folder->properties and you will be able to see the owner details

The -R argument lets the $USER access all the folders and files within the folder anaconda3 or anaconda2 or any respective folder. It stands for "recursive".

Use patchValue() method which helps to update even subset of controls.

setValue(){
  this.editqueForm.patchValue({user: this.question.user, questioning: this.question.questioning})
}

Error When strict checks fail, such as setting the value of a control that doesn't exist or if you excluding the value of a control.

In your case, object missing options and questionType control value so setValue() will fail to update.

It is useful for Linux people. My problem was trivial, I used chromium-browser. I installed chrome and all problems were resolved. It could work with chromium but with extra actions. I did not receive a success. I could set a need driver version to protractor configuration. It used the latest. I needed a downgrade.

Edit / Update:

If you are using Typescript 3.7 or newer you can now also do:

    const data = change?.after?.data();

    if(!data) {
      console.error('No data here!');
       return null
    }

    const maxLen = 100;
    const msgLen = data.messages.length;
    const charLen = JSON.stringify(data).length;

    const batch = db.batch();

    if (charLen >= 10000 || msgLen >= maxLen) {

      // Always delete at least 1 message
      const deleteCount = msgLen - maxLen <= 0 ? 1 : msgLen - maxLen
      data.messages.splice(0, deleteCount);

      const ref = db.collection("chats").doc(change.after.id);

      batch.set(ref, data, { merge: true });

      return batch.commit();
    } else {
      return null;
    }

Original Response

Typescript is saying that change or data is possibly undefined (depending on what onUpdate returns).

So you should wrap it in a null/undefined check:

if(change && change.after && change.after.data){
    const data = change.after.data();

    const maxLen = 100;
    const msgLen = data.messages.length;
    const charLen = JSON.stringify(data).length;

    const batch = db.batch();

    if (charLen >= 10000 || msgLen >= maxLen) {

      // Always delete at least 1 message
      const deleteCount = msgLen - maxLen <= 0 ? 1 : msgLen - maxLen
      data.messages.splice(0, deleteCount);

      const ref = db.collection("chats").doc(change.after.id);

      batch.set(ref, data, { merge: true });

      return batch.commit();
    } else {
      return null;
    }
}

If you are 100% sure that your object is always defined then you can put this:

const data = change.after!.data();

useEffect has its own state/lifecycle, it will not update until you pass a function in parameters or effect destroyed.

object and array spread or rest will not work inside useEffect.

React.useEffect(() => {
    console.log("effect");
    (async () => {
        try {
            let result = await fetch("/query/countries");
            const res = await result.json();
            let result1 = await fetch("/query/projects");
            const res1 = await result1.json();
            let result11 = await fetch("/query/regions");
            const res11 = await result11.json();
            setData({
                countries: res,
                projects: res1,
                regions: res11
            });
        } catch {}
    })(data)
}, [setData])
# or use this
useEffect(() => {
    (async () => {
        try {
            await Promise.all([
                fetch("/query/countries").then((response) => response.json()),
                fetch("/query/projects").then((response) => response.json()),
                fetch("/query/regions").then((response) => response.json())
            ]).then(([country, project, region]) => {
                // console.log(country, project, region);
                setData({
                    countries: country,
                    projects: project,
                    regions: region
                });
            })
        } catch {
            console.log("data fetch error")
        }
    })()
}, [setData]);

clt + V

Hope this will work

You are catching the error but then you are re throwing it. You should try and handle it more gracefully, otherwise your user is going to see 500, internal server, errors.

You may want to send back a response telling the user what went wrong as well as logging the error on your server.

I am not sure exactly what errors the request might return, you may want to return something like.

router.get("/emailfetch", authCheck, async (req, res) => {
  try {
    let emailFetch = await gmaiLHelper.getEmails(req.user._doc.profile_id , '/messages', req.user.accessToken)
      emailFetch = emailFetch.data
      res.send(emailFetch)
   } catch(error) {
      res.status(error.response.status)
      return res.send(error.message);
    })

})

This code will need to be adapted to match the errors that you get from the axios call.

I have also converted the code to use the try and catch syntax since you are already using async.

The easiest way I've found is delete Android Studio from the applications folder, then download & install it again.

I had the same error when trying to add an image to a module inside a larger project turns out the Image.asset widget takes a packages parameter that you can specify, after specifying it worked just fine

A supplemental visual view of pd.concat([df0, df1], kwargs). Notice that, kwarg axis=0 or axis=1 's meaning is not as intuitive as df.mean() or df.apply(func)

axios signature for post is axios.post(url[, data[, config]]). So you want to send params object within the third argument:

.post(`/mails/users/sendVerificationMail`, null, { params: {
  mail,
  firstname
}})
.then(response => response.status)
.catch(err => console.warn(err));

This will POST an empty body with the two query params:

POST http://localhost:8000/api/mails/users/sendVerificationMail?mail=lol%40lol.com&firstname=myFirstName

void operator could be used here.
Instead of:

React.useEffect(() => {
    async function fetchData() {
    }
    fetchData();
}, []);

or

React.useEffect(() => {
    (async function fetchData() {
    })()
}, []);

you could write:

React.useEffect(() => {
    void async function fetchData() {
    }();
}, []);

It is a little bit cleaner and prettier.

Async effects could cause memory leaks so it is important to perform cleanup on component unmount. In case of fetch this could look like this:

function App() {
    const [ data, setData ] = React.useState([]);

    React.useEffect(() => {
        const abortController = new AbortController();
        void async function fetchData() {
            try {
                const url = 'https://jsonplaceholder.typicode.com/todos/1';
                const response = await fetch(url, { signal: abortController.signal });
                setData(await response.json());
            } catch (error) {
                console.log('error', error);
            }
        }();
        return () => {
            abortController.abort(); // cancel pending fetch request on component unmount
        };
    }, []);

    return <pre>{JSON.stringify(data, null, 2)}</pre>;
}

The provided solution here is correct. However, the same error can also occur from a user error, where your endpoint request method is NOT matching the method your using when making the request.

For example, the server endpoint is defined with "RequestMethod.PUT" while you are requesting the method as POST.

Go to

1. Keychain Access -> Right-click on login -> Lock & unlock again

2. Xcode -> Clean Xcode project ->Make build again

#!/usr/bin/env node --max-old-space-size=4096 in the ionic-app-scripts.js dint work

Modifying

node_modules/.bin/ionic-app-scripts.cmd

By adding:

@IF EXIST "%~dp0\node.exe" ( "%~dp0\node.exe" "%~dp0..@ionic\app-scripts\bin\ionic-app-scripts.js" %* ) ELSE ( @SETLOCAL @SET PATHEXT=%PATHEXT:;.JS;=;% node --max_old_space_size=4096 "%~dp0..@ionic\app-scripts\bin\ionic-app-scripts.js" %* )

Worked fianlly

After making no changes to a production server we began receiving this error. After trying several different things and thinking that perhaps there were DNS issues, restarting IIS fixed the issue (restarting only the site did not fix the issue). It likely won't work for everyone but if we tried that first it would have saved a lot of time.

function useOnceCall(cb, condition = true) {
  const isCalledRef = React.useRef(false);

  React.useEffect(() => {
    if (condition && !isCalledRef.current) {
      isCalledRef.current = true;
      cb();
    }
  }, [cb, condition]);
}

and use it.

useOnceCall(()=>{
  console.log('called');
})

or

useOnceCall(()=>{
  console.log('isLoading');
},isLoading);

You can do it by using below CSS:

table {
  width: 100%;
  table-layout: fixed;
}

th, td {
  overflow: hidden;
  width: 200px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

Here is a StackBlitz Example with Sample Data

Placing your list view in a Flexible widget may also help,

Flexible( fit: FlexFit.tight, child: _buildYourListWidget(..),)

Solution:

Add the below line in your application tag:

android:usesCleartextTraffic="true"

As shown below:

<application
    ....
    android:usesCleartextTraffic="true"
    ....>

UPDATE: If you have network security config such as: android:networkSecurityConfig="@xml/network_security_config"

No Need to set clear text traffic to true as shown above, instead use the below code:

<?xml version="1.0" encoding="utf-8"?>
<network-security-config>
    <domain-config cleartextTrafficPermitted="true">
        ....
        ....
    </domain-config>

    <base-config cleartextTrafficPermitted="false"/>
</network-security-config>  

Set the cleartextTrafficPermitted to true

Hope it helps.

You have to define a PersistentVolume providing disc space to be consumed by the PersistentVolumeClaim.

When using storageClass Kubernetes is going to enable "Dynamic Volume Provisioning" which is not working with the local file system.

To solve your issue:

• Provide a PersistentVolume fulfilling the constraints of the claim (a size >= 100Mi)
• Remove the storageClass-line from the PersistentVolumeClaim
• Remove the StorageClass from your cluster

How do these pieces play together?

At creation of the deployment state-description it is usually known which kind (amount, speed, ...) of storage that application will need.
To make a deployment versatile you'd like to avoid a hard dependency on storage. Kubernetes' volume-abstraction allows you to provide and consume storage in a standardized way.

The PersistentVolumeClaim is used to provide a storage-constraint alongside the deployment of an application.

The PersistentVolume offers cluster-wide volume-instances ready to be consumed ("bound"). One PersistentVolume will be bound to one claim. But since multiple instances of that claim may be run on multiple nodes, that volume may be accessed by multiple nodes.

A PersistentVolume without StorageClass is considered to be static.

"Dynamic Volume Provisioning" alongside with a StorageClass allows the cluster to provision PersistentVolumes on demand. In order to make that work, the given storage provider must support provisioning - this allows the cluster to request the provisioning of a "new" PersistentVolume when an unsatisfied PersistentVolumeClaim pops up.

Example PersistentVolume

In order to find how to specify things you're best advised to take a look at the API for your Kubernetes version, so the following example is build from the API-Reference of K8S 1.17:

apiVersion: v1
kind: PersistentVolume
metadata:
  name: ckan-pv-home
  labels:
    type: local
spec:
  capacity:
    storage: 100Mi
  hostPath:
    path: "/mnt/data/ckan"

The PersistentVolumeSpec allows us to define multiple attributes. I chose a hostPath volume which maps a local directory as content for the volume. The capacity allows the resource scheduler to recognize this volume as applicable in terms of resource needs.

Additional Resources:

• Configure PersistentVolume Guide

For me xcode-select --reset was the solution on Mojave.

NOTE: The following is likely highly contextual and time-limited before the switch/general availability of macos Catalina 10.15. New laptop. I am writing this Oct 1st, 2019.

These specific circumstances are, I believe, what caused build problems for me. They may not apply in most other cases.

Context:

• macos 10.14.6 Mojave, Xcode 11.0, right before the launch of macos Catalina 10.15. Newly purchased Macbook Pro.

• failure on pip install psycopg2, which is, basically, a Python package getting compiled from source.

• I have already carried out a number of the suggested adjustments in the answers given here.

My errors:

pip install psycopg2
Collecting psycopg2
  Using cached https://files.pythonhosted.org/packages/5c/1c/6997288da181277a0c29bc39a5f9143ff20b8c99f2a7d059cfb55163e165/psycopg2-2.8.3.tar.gz
Installing collected packages: psycopg2
  Running setup.py install for psycopg2 ... error
    ERROR: Command errored out with exit status 1:
     command: xxxx/venv/bin/python -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'/private/var/folders/bk/_1cwm6dj3h1c0ptrhvr2v7dc0000gs/T/pip-install-z0qca56g/psycopg2/setup.py'"'"'; __file__='"'"'/private/var/folders/bk/_1cwm6dj3h1c0ptrhvr2v7dc0000gs/T/pip-install-z0qca56g/psycopg2/setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record /private/var/folders/bk/_1cwm6dj3h1c0ptrhvr2v7dc0000gs/T/pip-record-ef126d8d/install-record.txt --single-version-externally-managed --compile --install-headers xxx/venv/include/site/python3.6/psycopg2


...
/usr/bin/clang -Wno-unused-result -Wsign-compare -Wunreachable-code -fno-common -dynamic -DNDEBUG -g -fwrapv -O3 -Wall -pipe -Os -isysroot/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk -DPSYCOPG_VERSION=2.8.3 (dt dec pq3 ext lo64) -DPG_VERSION_NUM=90615 -DHAVE_LO64=1 -I/Users/jluc/kds2/py2/venv/include -I/opt/local/Library/Frameworks/Python.framework/Versions/3.6/include/python3.6m -I. -I/opt/local/include/postgresql96 -I/opt/local/include/postgresql96/server -c psycopg/psycopgmodule.c -o build/temp.macosx-10.14-x86_64-3.6/psycopg/psycopgmodule.o

    clang: warning: no such sysroot directory: 
'/Applications/Xcode.app/Contents/Developer/Platforms
                              ?the real error?
/MacOSX.platform/Developer/SDKs/MacOSX10.14.sdk' [-Wmissing-sysroot]
    In file included from psycopg/psycopgmodule.c:27:
    In file included from ./psycopg/psycopg.h:34:
    /opt/local/Library/Frameworks/Python.framework/Versions/3.6/include/python3.6m/Python.h:25:10: fatal error: 'stdio.h' file not found
                             ? what I thought was the error ?
    #include <stdio.h>
             ^~~~~~~~~
    1 error generated.

    It appears you are missing some prerequisite to build the package 

What I did so far, without fixing anything:

• xcode-select --install
• installed xcode
• open /Library/Developer/CommandLineTools/Packages/macOS_SDK_headers_for_macOS_10.14.pkg

Still the same error on stdio.h.

which exists in a number of places:

(venv) jluc@bemyerp$ mdfind -name stdio.h
/System/Library/Frameworks/Kernel.framework/Versions/A/Headers/sys/stdio.h
/usr/include/_stdio.h
/usr/include/secure/_stdio.h
/usr/include/stdio.h  ?  I believe this is the one that's usually missing.
                            but I have it.
/usr/include/sys/stdio.h
/usr/include/xlocale/_stdio.h

So, let's go to that first directory clang is complaining about and look:

(venv) jluc@gotchas$ cd /Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs
(venv) jluc@SDKs$ ls -l
total 0
drwxr-xr-x  8 root  wheel  256 Aug 29 23:47 MacOSX.sdk
drwxr-xr-x  4 root  wheel  128 Aug 29 23:47 DriverKit19.0.sdk
drwxr-xr-x  6 root  wheel  192 Sep 11 04:47 ..
lrwxr-xr-x  1 root  wheel   10 Oct  1 13:28 MacOSX10.15.sdk -> MacOSX.sdk  
drwxr-xr-x  5 root  wheel  160 Oct  1 13:34 .

Hah, we have a symlink for MacOSX10.15.sdk, but none for MacOSX10.14.sdk. Here's my first clang error again:

clang: warning: no such sysroot directory: '/Applications/Xcode.app/.../Developer/SDKs/MacOSX10.14.sdk' [-Wmissing-sysroot]

My guess is Apple jumped the gun on their xcode config and are already thinking they're on Catalina. Since it's a new Mac, the old config for 10.14 is not in place.

THE FIX:

Let's symlink 10.14 the same way as 10.15:

ln -s MacOSX.sdk/ MacOSX10.14.sdk

btw, if I go to that sdk directory, I find:

...
./usr/include/sys/stdio.h
./usr/include/stdio.h
....

OUTCOME:

pip install psycopg2 works.

Note: the actual pip install command made no reference to MacOSX10.14.sdk, that came at a later point, possibly by the Python installation mechanism introspecting the OS version.

According to the release-notes, Java 11 removed the Java EE modules:

java.xml.bind (JAXB) - REMOVED

• Java 8 - OK
• Java 9 - DEPRECATED
• Java 10 - DEPRECATED
• Java 11 - REMOVED

See JEP 320 for more info.

You can fix the issue by using alternate versions of the Java EE technologies. Simply add Maven dependencies that contain the classes you need:

<dependency>
  <groupId>javax.xml.bind</groupId>
  <artifactId>jaxb-api</artifactId>
  <version>2.3.0</version>
</dependency>
<dependency>
  <groupId>com.sun.xml.bind</groupId>
  <artifactId>jaxb-core</artifactId>
  <version>2.3.0</version>
</dependency>
<dependency>
  <groupId>com.sun.xml.bind</groupId>
  <artifactId>jaxb-impl</artifactId>
  <version>2.3.0</version>
</dependency>

Jakarta EE 8 update (Mar 2020)

Instead of using old JAXB modules you can fix the issue by using Jakarta XML Binding from Jakarta EE 8:

<dependency>
  <groupId>jakarta.xml.bind</groupId>
  <artifactId>jakarta.xml.bind-api</artifactId>
  <version>2.3.3</version>
</dependency>
<dependency>
  <groupId>com.sun.xml.bind</groupId>
  <artifactId>jaxb-impl</artifactId>
  <version>2.3.3</version>
  <scope>runtime</scope>
</dependency>

Jakarta EE 9 update (Nov 2020)

Use latest release of Eclipse Implementation of JAXB 3.0.0:

• Jakarta EE9 API jakarta.xml.bind-api
• compatible implementation jaxb-impl

<dependency>
  <groupId>jakarta.xml.bind</groupId>
  <artifactId>jakarta.xml.bind-api</artifactId>
  <version>3.0.0</version>
</dependency>
<dependency>
  <groupId>com.sun.xml.bind</groupId>
  <artifactId>jaxb-impl</artifactId>
  <version>3.0.0</version>
  <scope>runtime</scope>
</dependency>

Note: Jakarta EE 9 adopts new API package namespace jakarta.xml.bind.*, so update import statements:

javax.xml.bind -> jakarta.xml.bind

Your data homes is an array, so you would have to iterate over the array using Array.prototype.map() for it to work.

return (
    <div className="col">
      <h1>Mi Casa</h1>
      <p>This is my house y&apos;all!</p>
      {homes.map(home => <div>{home.name}</div>)}
    </div>
  );

I've tried all the other answers, but (surprisingly) none of them have worked for me. In the end, I figured my development account has to be "Trusted" by the device for it to run.

This can be configured in your iOS device, under Settings > General > Device Management > Developer App. You should ensure your account is marked as trusted.

This worked for me

1. try deleting the red colored files
2. delete the files in derived data
3. clean the build folder
4. then try building by using "new build system" from file->workspace settings

private router: Router

this.router.navigateByUrl(url)

It will redirect to any pages without data lost (even current page). Data will remain as is.

preferences -> mysql -> initialize database -> use legacy password encryption(instead of strong) -> entered same password

as my config.inc.php file, restarted the apache server and it worked. I was still suspicious about it so I stopped the apache and mysql server and started them again and now it's working.

You should just install python 3.6. I tried it and it worked. Just install that version of python and just do the normal download process (pip install pyaudio).

Two years late but I just began reading the Firestore documentation recently cover to cover for fun and found withConverter which I saw wasn't posted in any of the above answers. Thus:

If you want to include ids and also use withConverter (Firestore's version of ORMs, like ActiveRecord for Ruby on Rails, Entity Framework for .NET, etc), then this might be useful for you:

Somewhere in your project, you probably have your Event model properly defined. For example, something like:

Your model (in TypeScript): ./models/Event.js

export class Event {
  constructor (
    public id: string,
    public title: string,
    public datetime: Date
  )
}

export const eventConverter = {
  toFirestore: function (event: Event) {
    return {
      // id: event.id,  // Note! Not in ".data()" of the model!
      title: event.title,
      datetime: event.datetime
    }
  },
  fromFirestore: function (snapshot: any, options: any) {
    const data = snapshot.data(options)
    const id = snapshot.id
    return new Event(id, data.title, data.datetime)
  }
}

And then your client-side TypeScript code:

import { eventConverter } from './models/Event.js'

...

async function loadEvents () {
  const qs = await firebase.firestore().collection('events')
    .orderBy('datetime').limit(3)  // Remember to limit return sizes!
    .withConverter(eventConverter).get()

  const events = qs.docs.map((doc: any) => doc.data())

  ...
}

Two interesting quirks of Firestore to notice (or at least, I thought were interesting):

1. Your event.id is actually stored "one-level-up" in snapshot.id and not snapshot.data().

2. If you're using TypeScript, the TS linter (or whatever it's called) sadly isn't smart enough to understand:

const events = qs.docs.map((doc: Event) => doc.data())

even though right above it you explicitly stated: .withConverter(eventConverter)

Which is why it needs to be doc: any.

(But! You will actually get Array<Event> back! (Not Array<Map> back.) That's the entire point of withConverter... That way if you have any object methods (not shown here in this example), you can immediately use them.)

It makes sense to me but I guess I've gotten so greedy/spoiled that I just kinda expect my VS Code, ESLint, and the TS Watcher to literally do everything for me. Oh well.

Formal docs (about withConverter and more) here: https://firebase.google.com/docs/firestore/query-data/get-data#custom_objects

You have a CryptoListPresenter _presenter but you are never initializing it. You should either be doing that when you declare it or in your initState() (or another appropriate but called-before-you-need-it method).

One thing I find that helps is that if I know a member is functionally 'final', to actually set it to final as that way the analyzer complains that it hasn't been initialized.

EDIT:

I see diegoveloper beat me to answering this, and that the OP asked a follow up.

@Jake - it's hard for us to tell without knowing exactly what CryptoListPresenter is, but depending on what exactly CryptoListPresenter actually is, generally you'd do final CryptoListPresenter _presenter = new CryptoListPresenter(...);, or

CryptoListPresenter _presenter;

@override
void initState() {
  _presenter = new CryptoListPresenter(...);
}

In a project of mine I wrap Text instances around Containers. This particular code sample features two stacked Text objects.

Here's a code sample.

    //80% of screen width
    double c_width = MediaQuery.of(context).size.width*0.8;

    return new Container (
      padding: const EdgeInsets.all(16.0),
      width: c_width,
      child: new Column (
        children: <Widget>[
          new Text ("Long text 1 Long text 1 Long text 1 Long text 1 Long text 1 Long text 1 Long text 1 Long text 1 Long text 1 Long text 1 Long text 1 Long text 1 Long text 1 Long text 1 ", textAlign: TextAlign.left),
          new Text ("Long Text 2, Long Text 2, Long Text 2, Long Text 2, Long Text 2, Long Text 2, Long Text 2, Long Text 2, Long Text 2, Long Text 2, Long Text 2", textAlign: TextAlign.left),
        ],
      ),
    );

[edit] Added a width constraint to the container

I found that if I run CMD as Administrator and run the command, I can install it without a problem. Try it and give me some feedback.

i liked dehasis approach, because it allowed me to select, rename and convert columns in one step. However I had to adjust it to make it work for me in PySpark:

from pyspark.sql.functions import col

spark.read.csv(path).select(
      col('_c0').alias("stn").cast('String'),
      col('_c1').alias("wban").cast('String'),
      col('_c2').alias("lat").cast('Double'),
      col('_c3').alias("lon").cast('Double')
    )
      .where('_c2.isNotNull && '_c3.isNotNull && '_c2 =!= 0.0 && '_c3 =!= 0.0)

In Colum widget Text alignment will be centred automatically, so use crossAxisAlignment: CrossAxisAlignment.start to align start.

Column( 
    crossAxisAlignment: CrossAxisAlignment.start, 
    children: <Widget>[ 
    Text(""),
    Text(""),
    ]);

You should define a key name while storing data to local storage which should be a string and value should be a string

 localStorage.setItem('dataSource', this.dataSource.length);

and to print, you should use getItem

console.log(localStorage.getItem('dataSource'));

As the other answers suggest, editing/removing credentials in the Manage Windows Credentials work and does the job. However, you need to do this each time when the password changes or credentials do not work for some work. Using ssh key has been extremely useful for me where I don't have to bother about these again once I'm done creating a ssh-key and adding them on the server repository (github/bitbucket/gitlab).

Generating a new ssh-key

1. Open Git Bash.

2. Paste the text below, substituting in your repo's email address. $ ssh-keygen -t rsa -b 4096 -C "[email protected]"

3. When you're prompted to "Enter a file in which to save the key," press Enter. This accepts the default file location.

4. Then you'll be asked to type a secure passphrase. You can type a passphrase, hit enter and type the passphrase again.

Or, Hit enter twice for empty passphrase.

5. Copy this on the clipboard:

   clip < ~/.ssh/id_rsa.pub

And then add this key into your repo's profile. For e.g, on github->setting->SSH keys -> paste the key that you coppied ad hit add

Ref: https://help.github.com/en/enterprise/2.15/user/articles/generating-a-new-ssh-key-and-adding-it-to-the-ssh-agent#generating-a-new-ssh-key

You're done once and for all!

I got same problem. So I looked into the axios document. I found it. you can do it like this. this is easiest way. and super simple.

https://www.npmjs.com/package/axios#using-applicationx-www-form-urlencoded-format

var params = new URLSearchParams();
params.append('param1', 'value1');
params.append('param2', 'value2');
axios.post('/foo', params);

You can use .then,.catch.

The provider is bundled with PowerShell>=6.0.

If all you need is a way to install a package from a file, just grab the .msi installer for the latest version from the github releases page, copy it over to the machine, install it and use it.

This can also be an issue with hyper-v settings on Windows 10 pro. Because with this error I was facing BSOD - https://www.techclassy.com/fix-hypervisor-error-bsod/

I have add this annotation on the main class of my spring boot application and everything work perfectly

@SpringBootApplication(exclude = {DataSourceAutoConfiguration.class })

Not tested but should work

 products.sort((a,b)=>a.title.rendered > b.title.rendered)

If you want to make a change global to the whole notebook:

import matplotlib.pyplot as plt
%matplotlib inline
plt.rcParams["figure.figsize"] = [10, 5]

Issue is with the Json.parse of empty array - scatterSeries , as you doing console log of scatterSeries before pushing ch

var data = { "results":[  _x000D_
  [  _x000D_
     {  _x000D_
        "b":"0.110547334",_x000D_
        "cost":"0.000000",_x000D_
        "w":"1.998889"_x000D_
     }_x000D_
  ],_x000D_
  [  _x000D_
     {  _x000D_
        "x":0,_x000D_
        "y":0_x000D_
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     {  _x000D_
        "x":1,_x000D_
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     },_x000D_
     {  _x000D_
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     {  _x000D_
        "x":99,_x000D_
        "y":198_x000D_
     }_x000D_
  ]]};_x000D_
_x000D_
var scatterSeries = []; _x000D_
_x000D_
var ch = '{"name":"graphe1","items":'+JSON.stringify(data.results[1])+ '}';_x000D_
               console.info(ch);_x000D_
               _x000D_
               scatterSeries.push(JSON.parse(ch));_x000D_
console.info(scatterSeries);

code sample - https://codepen.io/nagasai/pen/GGzZVB

https://fettblog.eu/gulp-4-parallel-and-series/

Because gulp.task(name, deps, func) was replaced by gulp.task(name, gulp.{series|parallel}(deps, func)).

You are using the latest version of gulp but older code. Modify the code or downgrade.

axios.delete is passed a url and an optional configuration.

axios.delete(url[, config])

The fields available to the configuration can include the headers.

This makes it so that the API call can be written as:

const headers = {
  'Authorization': 'Bearer paperboy'
}
const data = {
  foo: 'bar'
}

axios.delete('https://foo.svc/resource', {headers, data})

Browser have cross domain security at client side which verify that server allowed to fetch data from your domain. If Access-Control-Allow-Origin not available in response header, browser disallow to use response in your JavaScript code and throw exception at network level. You need to configure cors at your server side.

You can fetch request using mode: 'cors'. In this situation browser will not throw execption for cross domain, but browser will not give response in your javascript function.

So in both condition you need to configure cors in your server or you need to use custom proxy server.

CORS issue can be simply resolved by following this:

Create a new shortcut of Google Chrome(update browser installation path accordingly) with following value:

"C:\Program Files (x86)\Google\Chrome\Application\chrome.exe" --disable-web-security --user-data-dir="D:\chrome\temp"

I think the error is caused by the redundant ,

flutter:
  uses-material-design: true, # <<< redundant , at the end of the line
  assets:
    - images/lake.jpg

I'd also suggest to create an assets folder in the directory that contains the pubspec.yaml file and move images there and use

flutter:
  uses-material-design: true
  assets:
    - assets/images/lake.jpg

The assets directory will get some additional IDE support that you won't have if you put assets somewhere else.

Because the bootstrap-select is a bootstrap component and therefore you need to include it in your code as you did for your V3

NOTE: this component only works in boostrap-4 since version 1.13.0

$('select').selectpicker();

<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.1.1/css/bootstrap.min.css">_x000D_
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-select/1.13.1/css/bootstrap-select.css" />_x000D_
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>_x000D_
<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.1.1/js/bootstrap.bundle.min.js"></script>_x000D_
<script src="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-select/1.13.1/js/bootstrap-select.min.js"></script>_x000D_
_x000D_
_x000D_
_x000D_
<select class="selectpicker" multiple data-live-search="true">_x000D_
  <option>Mustard</option>_x000D_
  <option>Ketchup</option>_x000D_
  <option>Relish</option>_x000D_
</select>

In a Chrome extension, you can use

chrome.webRequest.onHeadersReceived.addListener

to rewrite the server response headers. You can either replace an existing header or add an additional header. This is the header you want:

Access-Control-Allow-Origin: *

https://developers.chrome.com/extensions/webRequest#event-onHeadersReceived

I was stuck on CORB issues, and this fixed it for me.

Using jdk7-u221, I was need to install the Java Cryptography Extension (JCE)

Java Cryptography Extension JCE

In my case (I'm using Carthage) the problem with

error: Multiple commands produce 
1) Target *** has copy command from
2) That command depends on command in Target ***: script phase “Run Carthage Script” 

was caused due to importing frameworks both to Embeded frameworks and Run carthage script phases in Build Phases configuration

These 2 phases copy frameworks to derrived data, so Xcode see duplicated files and print these errors with warning:

ignoring duplicated output file: (in target ***)

After removing duplicated frameworks from Embeded frameworks phase everything is working correctly.

Compress your .sql file, and make sure to name it .[format].[compression], i.e. database.sql.zip.

As noted above, PhpMyAdmin throws this error if your .sql file is larger than the Maximum allowed upload size -- but, in my case the maximum was 50MiB despite that I had set all options noted in previous answers (look for the "Max: 50MiB" next to the upload button in PhpMyAdmin).

It happens when common column in both table are of different data type.

Example: In table1, you have date as string whereas in table2 you have date as datetime. so before merging,we need to change date to common data type.

meh, just use https://github.com/andresaraujo/timeago.dart library; it does all the heavy-lifting for you.

EDIT:

From your question, it seems you wanted relative time conversions, and the timeago library enables you to do this in 1 line of code. Converting Dates isn't something I'd choose to implement myself, as there are a lot of edge cases & it gets fugly quickly, especially if you need to support different locales in the future. More code you write = more you have to test.

import 'package:timeago/timeago.dart' as timeago;

final fifteenAgo = DateTime.now().subtract(new Duration(minutes: 15));
print(timeago.format(fifteenAgo)); // 15 minutes ago
print(timeago.format(fifteenAgo, locale: 'en_short')); // 15m
print(timeago.format(fifteenAgo, locale: 'es'));

// Add a new locale messages
timeago.setLocaleMessages('fr', timeago.FrMessages());

// Override a locale message
timeago.setLocaleMessages('en', CustomMessages());

print(timeago.format(fifteenAgo)); // 15 min ago
print(timeago.format(fifteenAgo, locale: 'fr')); // environ 15 minutes

to convert epochMS to DateTime, just use...

final DateTime timeStamp = DateTime.fromMillisecondsSinceEpoch(1546553448639);

I ran into the same problem as well. My problem was, that I accidentally installed the wrong connector version. Delete your currently installed version from your file system (my path looks like this: C:\Program Files\Python36\Lib\site-packages) and then execute "pip install mysql-connector-python". This should solve your problem

tl;dr:

concat and append currently sort the non-concatenation index (e.g. columns if you're adding rows) if the columns don't match. In pandas 0.23 this started generating a warning; pass the parameter sort=True to silence it. In the future the default will change to not sort, so it's best to specify either sort=True or False now, or better yet ensure that your non-concatenation indices match.

The warning is new in pandas 0.23.0:

In a future version of pandas pandas.concat() and DataFrame.append() will no longer sort the non-concatenation axis when it is not already aligned. The current behavior is the same as the previous (sorting), but now a warning is issued when sort is not specified and the non-concatenation axis is not aligned, link.

More information from linked very old github issue, comment by smcinerney :

When concat'ing DataFrames, the column names get alphanumerically sorted if there are any differences between them. If they're identical across DataFrames, they don't get sorted.

This sort is undocumented and unwanted. Certainly the default behavior should be no-sort.

After some time the parameter sort was implemented in pandas.concat and DataFrame.append:

sort : boolean, default None

Sort non-concatenation axis if it is not already aligned when join is 'outer'. The current default of sorting is deprecated and will change to not-sorting in a future version of pandas.

Explicitly pass sort=True to silence the warning and sort. Explicitly pass sort=False to silence the warning and not sort.

This has no effect when join='inner', which already preserves the order of the non-concatenation axis.

So if both DataFrames have the same columns in the same order, there is no warning and no sorting:

df1 = pd.DataFrame({"a": [1, 2], "b": [0, 8]}, columns=['a', 'b'])
df2 = pd.DataFrame({"a": [4, 5], "b": [7, 3]}, columns=['a', 'b'])

print (pd.concat([df1, df2]))
   a  b
0  1  0
1  2  8
0  4  7
1  5  3

df1 = pd.DataFrame({"a": [1, 2], "b": [0, 8]}, columns=['b', 'a'])
df2 = pd.DataFrame({"a": [4, 5], "b": [7, 3]}, columns=['b', 'a'])

print (pd.concat([df1, df2]))
   b  a
0  0  1
1  8  2
0  7  4
1  3  5

But if the DataFrames have different columns, or the same columns in a different order, pandas returns a warning if no parameter sort is explicitly set (sort=None is the default value):

df1 = pd.DataFrame({"a": [1, 2], "b": [0, 8]}, columns=['b', 'a'])
df2 = pd.DataFrame({"a": [4, 5], "b": [7, 3]}, columns=['a', 'b'])

print (pd.concat([df1, df2]))

FutureWarning: Sorting because non-concatenation axis is not aligned.

   a  b
0  1  0
1  2  8
0  4  7
1  5  3

print (pd.concat([df1, df2], sort=True))
   a  b
0  1  0
1  2  8
0  4  7
1  5  3

print (pd.concat([df1, df2], sort=False))
   b  a
0  0  1
1  8  2
0  7  4
1  3  5

If the DataFrames have different columns, but the first columns are aligned - they will be correctly assigned to each other (columns a and b from df1 with a and b from df2 in the example below) because they exist in both. For other columns that exist in one but not both DataFrames, missing values are created.

Lastly, if you pass sort=True, columns are sorted alphanumerically. If sort=False and the second DafaFrame has columns that are not in the first, they are appended to the end with no sorting:

df1 = pd.DataFrame({"a": [1, 2], "b": [0, 8], 'e':[5, 0]}, 
                    columns=['b', 'a','e'])
df2 = pd.DataFrame({"a": [4, 5], "b": [7, 3], 'c':[2, 8], 'd':[7, 0]}, 
                    columns=['c','b','a','d'])

print (pd.concat([df1, df2]))

FutureWarning: Sorting because non-concatenation axis is not aligned.

   a  b    c    d    e
0  1  0  NaN  NaN  5.0
1  2  8  NaN  NaN  0.0
0  4  7  2.0  7.0  NaN
1  5  3  8.0  0.0  NaN

print (pd.concat([df1, df2], sort=True))
   a  b    c    d    e
0  1  0  NaN  NaN  5.0
1  2  8  NaN  NaN  0.0
0  4  7  2.0  7.0  NaN
1  5  3  8.0  0.0  NaN

print (pd.concat([df1, df2], sort=False))

   b  a    e    c    d
0  0  1  5.0  NaN  NaN
1  8  2  0.0  NaN  NaN
0  7  4  NaN  2.0  7.0
1  3  5  NaN  8.0  0.0

In your code:

placement_by_video_summary = placement_by_video_summary.drop(placement_by_video_summary_new.index)
                                                       .append(placement_by_video_summary_new, sort=True)
                                                       .sort_index()

The following work for me for the mongoose version 5.9.16

const mongoose = require('mongoose');

mongoose.set('useNewUrlParser', true);
mongoose.set('useFindAndModify', false);
mongoose.set('useCreateIndex', true);
mongoose.set('useUnifiedTopology', true);

mongoose.connect('mongodb://localhost:27017/dbName')
    .then(() => console.log('Connect to MongoDB..'))
    .catch(err => console.error('Could not connect to MongoDB..', err))

Another cause might be the fact that you're pointing to the wrong port.

Make sure you are actually pointing to the right SQL server. You may have a default installation of MySQL running on 3306 but you may actually be needing a different MySQL instance.

Check the ports and run some query against the db.

You should add client option to your mysql-connector allowPublicKeyRetrieval=true to allow the client to automatically request the public key from the server. Note that AllowPublicKeyRetrieval=True could allow a malicious proxy to perform a MITM attack to get the plaintext password, so it is False by default and must be explicitly enabled.

https://mysql-net.github.io/MySqlConnector/connection-options/

you could also try adding useSSL=false when you use it for testing/develop purposes

example:

jdbc:mysql://localhost:3306/db?allowPublicKeyRetrieval=true&useSSL=false

I try all the answers above, but none of them work to me. I had to downgrade the version of Angular-CLI. I run the command ng --version and results:

@angular-devkit/architect          0.10.7
@angular-devkit/build-angular      0.10.7
@angular-devkit/build-ng-packagr   0.10.7
@angular-devkit/build-optimizer    0.10.7
@angular-devkit/build-webpack      0.10.7
@angular-devkit/core               7.0.7 <-- notice this!
@angular-devkit/schematics         8.2.1
@angular/cli                       8.2.1 <-- and this!
@ngtools/json-schema               1.1.0
@ngtools/webpack                   7.0.7
@schematics/angular                8.2.1
@schematics/update                 0.802.1
ng-packagr                         4.7.1
rxjs                               6.3.3
typescript                         3.1.6
webpack                            4.19.1

I open my package.json and search for the line that define the version of CLI:

...
"devDependencies": {
    "@angular-devkit/build-angular": "~0.10.0",
    "@angular-devkit/build-ng-packagr": "~0.10.0",
    "@angular/cli": "~8.2.0" -- I changed here to ~7.0.7
...}
...

I change the version of @angular/cli to ~7.0.7. Then run npm uninstall @angular/cli and install again running npm install -g angular-cli@~7.0.7

I implement like this:

static createUserWithEmail(String username, String email, String password) async{
    var url = 'http://www.yourbackend.com/'+ "users";
    var body = {
        'user' : {
          'username': username,
          'address': email,
          'password': password
       }
    };

    return http.post(
      url, 
      body: json.encode(body),
      headers: {
        "Content-Type": "application/json"
      },
      encoding: Encoding.getByName("utf-8")
    );
  }

Material example is using the wrong table tags. Change

<table mat-table></table>
<th mat-header-cell></th>
<td mat-cell></td>

<tr mat-header-row></tr>
<tr mat-row></tr>

to

<mat-table></mat-table>
<mat-header-cell></mat-header-cell>
<mat-cell></mat-cell>

<mat-header-row></<mat-header-row>
<mat-row></<mat-row>

For reading full response in Angular you should add the observe option:

{ observe: 'response' }

    return this.http.get(`${environment.serverUrl}/api/posts/${postId}/comments/?page=${page}&size=${size}`, { observe: 'response' });

This had occurred to me and I have found out that it was because of faulty internet connection. If I use the public wifi at my place, which blocks various websites for security reasons, Mongo refuses to connect. But if I were to use my own mobile data, I can connect to the database.

Using the old mysql_native_password works:

ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY 'YourRootPassword';
-- or
CREATE USER 'foo'@'%' IDENTIFIED WITH mysql_native_password BY 'bar';
-- then
FLUSH PRIVILEGES;

This is because caching_sha2_password is introduced in MySQL 8.0, but the Node.js version is not implemented yet. You can see this pull request and this issue for more information. Probably a fix will come soon!

For those who are having trouble with fatal error: ESP8266WiFi.h: No such file or directory, you can install the package manually.

1. Download the Arduino ESP8266 core from here https://github.com/esp8266/Arduino
2. Go into library from the downloaded core and grab ESP8266WiFi.
3. Drag that into your local Arduino/library folder. This can be found by going into preferences and looking at your Sketchbook location

You may still need to have the http://arduino.esp8266.com/stable/package_esp8266com_index.json package installed beforehand, however.

Edit: That wasn't the full issue, you need to make sure you have the correct ESP8266 Board selected before compiling.

Hope this helps others.

It's working for me (PHP 5.6 + PDO / MySQL Server 8.0 / Windows 7 64bits)

Edit the file C:\ProgramData\MySQL\MySQL Server 8.0\my.ini:

default_authentication_plugin=mysql_native_password

Reset MySQL service on Windows, and in the MySQL Shell...

ALTER USER my_user@'%' IDENTIFIED WITH mysql_native_password BY 'password';

call the request function from anywhere without having to use catch().

First, while handling most errors in one place is a good Idea, it's not that easy with requests. Some errors (e.g. 400 validation errors like: "username taken" or "invalid email") should be passed on.

So we now use a Promise based function:

const baseRequest = async (method: string, url: string, data: ?{}) =>
  new Promise<{ data: any }>((resolve, reject) => {
    const requestConfig: any = {
      method,
      data,
      timeout: 10000,
      url,
      headers: {},
    };

    try {
      const response = await axios(requestConfig);
      // Request Succeeded!
      resolve(response);
    } catch (error) {
      // Request Failed!

      if (error.response) {
        // Request made and server responded
        reject(response);
      } else if (error.request) {
        // The request was made but no response was received
        reject(response);
      } else {
        // Something happened in setting up the request that triggered an Error
        reject(response);
      }
    }
  };

you can then use the request like

try {
  response = await baseRequest('GET', 'https://myApi.com/path/to/endpoint')
} catch (error) {
  // either handle errors or don't
}

We started getting this error on the production server after deploying the application migrated from 4.6.1 to 4.7.2.

We noticed that the .NET framework 4.7.2 was not installed there. In order to solve this issue we did the following steps:

1. Installed the .NET Framework 4.7.2 from:

   https://support.microsoft.com/en-us/help/4054530/microsoft-net-framework-4-7-2-offline-installer-for-windows

2. Restarted the machine

3. Confirmed the .NET Framework version with the help of How do I find the .NET version?

Running the application again with the .Net Framework 4.7.2 version installed on the machine fixed the issue.

Try downgrading your java version, this will happen when your systems java version isn't compatible with the one from android. Once you changed you the java version just run flutter doctor it will automatically accepts the licenses.

in my idea, you must go to a certain path for example:

from google.colab import drive drive.mount('/content/drive/') cd drive/MyDrive/f/

then :

!apt install unzip !unzip zip_folder.zip -d unzip_folder enter image description here

The connectivity plugin states in its docs that it only provides information if there is a network connection, but not if the network is connected to the Internet

Note that on Android, this does not guarantee connection to Internet. For instance, the app might have wifi access but it might be a VPN or a hotel WiFi with no access.

You can use

import 'dart:io';
...
try {
  final result = await InternetAddress.lookup('google.com');
  if (result.isNotEmpty && result[0].rawAddress.isNotEmpty) {
    print('connected');
  }
} on SocketException catch (_) {
  print('not connected');
}

As mentioned by Dan Abramov

Do it right inside render

We actually use that approach with memoise one for any kind of proxying props to state calculations.

Our code looks this way

// ./decorators/memoized.js  
import memoizeOne from 'memoize-one';

export function memoized(target, key, descriptor) {
  descriptor.value = memoizeOne(descriptor.value);
  return descriptor;
}

// ./components/exampleComponent.js
import React from 'react';
import { memoized } from 'src/decorators';

class ExampleComponent extends React.Component {
  buildValuesFromProps() {
    const {
      watchedProp1,
      watchedProp2,
      watchedProp3,
      watchedProp4,
      watchedProp5,
    } = this.props
    return {
      value1: buildValue1(watchedProp1, watchedProp2),
      value2: buildValue2(watchedProp1, watchedProp3, watchedProp5),
      value3: buildValue3(watchedProp3, watchedProp4, watchedProp5),
    }
  }

  @memoized
  buildValue1(watchedProp1, watchedProp2) {
    return ...;
  }

  @memoized
  buildValue2(watchedProp1, watchedProp3, watchedProp5) {
    return ...;
  }

  @memoized
  buildValue3(watchedProp3, watchedProp4, watchedProp5) {
    return ...;
  }

  render() {
    const {
      value1,
      value2,
      value3
    } = this.buildValuesFromProps();

    return (
      <div>
        <Component1 value={value1}>
        <Component2 value={value2}>
        <Component3 value={value3}>
      </div>
    );
  }
}

The benefits of it are that you don't need to code tons of comparison boilerplate inside getDerivedStateFromProps or componentWillReceiveProps and you can skip copy-paste initialization inside a constructor.

NOTE:

This approach is used only for proxying the props to state, in case you have some inner state logic it still needs to be handled in component lifecycles.

If in case you are getting the values as undefined, then you should consider restarting the node server and recompile again.

This error occurred when you are putting JPA dependencies in your spring-boot configuration file like in maven or gradle. The solution is: Spring-Boot Documentation

You have to specify the DB connection string and driver details in application.properties file. This will solve the issue. This might help to someone.

You can see the button "Code" in the attached screenshot, press it and you can get your code in many different languages including PHP cURL

I had the SAME issue today and it was driving me nuts!!! What I had done was upgrade to node 8.10 and upgrade my NPM to the latest I uninstalled angular CLI

npm uninstall -g angular-cli
npm uninstall --save-dev angular-cli

I then verified my Cache from NPM if it wasn't up to date I cleaned it and ran the install again if npm version is < 5 then use npm cache clean --force

npm install -g @angular/cli@latest

and created a new project file and create a new angular project.

I know it's a relative old post but, I would like to share what worked for me: I've simply input "http://" before "localhost" in the url. Hope it helps somebody.

From at least, the 2.0 version, Spring-Data-Jpa modified findOne().
Now, findOne() has neither the same signature nor the same behavior.
Previously, it was defined in the CrudRepository interface as:

T findOne(ID primaryKey);

Now, the single findOne() method that you will find in CrudRepository is the one defined in the QueryByExampleExecutor interface as:

<S extends T> Optional<S> findOne(Example<S> example);

That is implemented finally by SimpleJpaRepository, the default implementation of the CrudRepository interface.
This method is a query by example search and you don't want that as a replacement.

In fact, the method with the same behavior is still there in the new API, but the method name has changed.
It was renamed from findOne() to findById() in the CrudRepository interface :

Optional<T> findById(ID id); 

Now it returns an Optional, which is not so bad to prevent NullPointerException.

So, the actual method to invoke is now Optional<T> findById(ID id).

How to use that?
Learning Optional usage. Here's important information about its specification:

A container object which may or may not contain a non-null value. If a value is present, isPresent() will return true and get() will return the value.

Additional methods that depend on the presence or absence of a contained value are provided, such as orElse() (return a default value if value not present) and ifPresent() (execute a block of code if the value is present).

Some hints on how to use Optional with Optional<T> findById(ID id).

Generally, as you look for an entity by id, you want to return it or make a particular processing if that is not retrieved.

Here are three classical usage examples.

1. Suppose that if the entity is found you want to get it otherwise you want to get a default value.

You could write :

Foo foo = repository.findById(id)
                    .orElse(new Foo());

or get a null default value if it makes sense (same behavior as before the API change) :

Foo foo = repository.findById(id)
                    .orElse(null);

2. Suppose that if the entity is found you want to return it, else you want to throw an exception.

You could write :

return repository.findById(id)
        .orElseThrow(() -> new EntityNotFoundException(id));

3. Suppose you want to apply a different processing according to if the entity is found or not (without necessarily throwing an exception).

You could write :

Optional<Foo> fooOptional = fooRepository.findById(id);
if (fooOptional.isPresent()) {
    Foo foo = fooOptional.get();
    // processing with foo ...
} else {
    // alternative processing....
}

Your logic condition is wrong. IIUC, what you want is:

import pyspark.sql.functions as f

df.filter((f.col('d')<5))\
    .filter(
        ((f.col('col1') != f.col('col3')) | 
         (f.col('col2') != f.col('col4')) & (f.col('col1') == f.col('col3')))
    )\
    .show()

I broke the filter() step into 2 calls for readability, but you could equivalently do it in one line.

Output:

+----+----+----+----+---+
|col1|col2|col3|col4|  d|
+----+----+----+----+---+
|   A|  xx|   D|  vv|  4|
|   A|   x|   A|  xx|  3|
|   E| xxx|   B|  vv|  3|
|   F|xxxx|   F| vvv|  4|
|   G| xxx|   G|  xx|  4|
+----+----+----+----+---+

go and find php.ini inside you PHP directory incase of xampp it will be inside xampp/PHP and inside php.ini file update memory_limit:512M to 2048M

I solve this problem with the line below:

cordova plugin add cordova-android-support-gradle-release --save

After that the compile was succesful.

Not a conventional answer, but I guess you could transpose the dataframe to look at the rows instead of the columns. I use this because I find looking at rows more 'intuitional' than looking at columns:

data_all2.T

This should let you view all the rows. This action is not permanent, it just lets you view the transposed version of the dataframe.

If the rows are still truncated, just use print(data_all2.T) to view everything.

We need to manually add the Android SDK. The instructions in the flutter.io/download say that the Android Studio 3.6 or later needs the SDK to be installed manually. To do that,

1. Open the Android Studio SDK Manager
2. In the Android SDK tab, uncheck Hide Obsolete Packages
3. Check Android SDK Tools (Obsolete)

Please refer the Android Setup Instructions.

You can use pandas.DataFrame.mask to add virtually as many conditions as you need:

data = {'a': [1,2,3,4,5], 'b': [6,8,9,10,11]}

d = pd.DataFrame.from_dict(data, orient='columns')
c = {'c1': (2, 'Value1'), 'c2': (3, 'Value2'), 'c3': (5, d['b'])}

d['new'] = np.nan
for value in c.values():
    d['new'].mask(d['a'] == value[0], value[1], inplace=True)

d['new'] = d['new'].fillna('Else')
d

Output:

    a   b   new
0   1   6   Else
1   2   8   Value1
2   3   9   Value2
3   4   10  Else
4   5   11  11

For recursive components that are not registered globally, it is essential to use not 'any name', but the EXACTLY same name as your component.

Let me give an example:

<template>
    <li>{{tag.name}}
        <ul v-if="tag.sub_tags && tag.sub_tags.length">
            <app-tag v-for="subTag in tag.sub_tags" v-bind:tag="subTag" v-bind:key="subTag.name"></app-tag>
        </ul>
    </li>
</template>

<script>
    export default {
        name: "app-tag",  // using EXACTLY this name is essential

        components: {

        },

        props: ['tag'],
    }

Problem

The trim() method removes whitespace from both sides of a string.

Source

Solution

You can use a Javascript replace method to remove white space like

"hello world".replace(/\s/g, "");

Example

var out = "hello world".replace(/\s/g, "");_x000D_
console.log(out);

Use

implementation 'com.android.support:appcompat-v7:27.1.1'

Don't use like

implementation 'com.android.support:appcompat-v7:27.+'

It may give you an error and don't use an older version than this.

or event don't do like this

implementation 'com.android.support:appcompat-v7:27.1.1'
implementation 'com.android.support:design:27.1.1' 

etc... numbers of libraries and then

implementation 'com.android.support:appcompat-v7:27.+'

the same library but it has a different version, it can give you an error.

As this post gets a bit of popularity I edited it a bit. Spring Boot 2.x.x changed default JDBC connection pool from Tomcat to faster and better HikariCP. Here comes incompatibility, because HikariCP uses different property of jdbc url. There are two ways how to handle it:

OPTION ONE

There is very good explanation and workaround in spring docs:

Also, if you happen to have Hikari on the classpath, this basic setup does not work, because Hikari has no url property (but does have a jdbcUrl property). In that case, you must rewrite your configuration as follows:

app.datasource.jdbc-url=jdbc:mysql://localhost/test
app.datasource.username=dbuser
app.datasource.password=dbpass

OPTION TWO

There is also how-to in the docs how to get it working from "both worlds". It would look like below. ConfigurationProperties bean would do "conversion" for jdbcUrl from app.datasource.url

@Configuration
public class DatabaseConfig {
    @Bean
    @ConfigurationProperties("app.datasource")
    public DataSourceProperties dataSourceProperties() {
        return new DataSourceProperties();
    }

    @Bean
    @ConfigurationProperties("app.datasource")
    public HikariDataSource dataSource(DataSourceProperties properties) {
        return properties.initializeDataSourceBuilder().type(HikariDataSource.class)
                .build();
    }
}

This error might be also for plugin versions. You can fix it in the .POM file like the followings:

<build>
    <plugins>
        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-compiler-plugin</artifactId>
            <version>2.3.1</version>
            <configuration>
                <source>1.6</source>
                <target>1.6</target>
            </configuration>
        </plugin>
    </plugins>
</build>

You can use Async - Await:

async function axiosTest() {
  const response = await axios.get(url);
  const data = await response.json();  
}

When you declare:

new Vue({
    el: '#app',
    data () {
      return {}
    }
)}

That is typically your root Vue instance that the rest of the application descends from. This hangs off the root element declared in an html document, for example:

<html>
  ...
  <body>
    <div id="app"></div>
  </body>
</html>

The other syntax is declaring a component which can be registered and reused later. For example, if you create a single file component like:

// my-component.js
export default {
    name: 'my-component',
    data () {
      return {}
    }
}

You can later import this and use it like:

// another-component.js
<template>
  <my-component></my-component>
</template>
<script>
  import myComponent from 'my-component'
  export default {
    components: {
      myComponent
    }
    data () {
      return {}
    }
    ...
  }
</script>

Also, be sure to declare your data properties as functions, otherwise they are not going to be reactive.

import pandas as pd
# given
df1 = pd.DataFrame({'Name':['John','Mike','Smith','Wale','Marry','Tom','Menda','Bolt','Yuswa',],
    'Age':[23,45,12,34,27,44,28,39,40]})
df2 = pd.DataFrame({'Name':['John','Smith','Wale','Tom','Menda','Yuswa',],
    'Age':[23,12,34,44,28,40]})

# find elements in df1 that are not in df2
df_1notin2 = df1[~(df1['Name'].isin(df2['Name']) & df1['Age'].isin(df2['Age']))].reset_index(drop=True)

# output:
print('df1\n', df1)
print('df2\n', df2)
print('df_1notin2\n', df_1notin2)

# df1
#     Age   Name
# 0   23   John
# 1   45   Mike
# 2   12  Smith
# 3   34   Wale
# 4   27  Marry
# 5   44    Tom
# 6   28  Menda
# 7   39   Bolt
# 8   40  Yuswa
# df2
#     Age   Name
# 0   23   John
# 1   12  Smith
# 2   34   Wale
# 3   44    Tom
# 4   28  Menda
# 5   40  Yuswa
# df_1notin2
#     Age   Name
# 0   45   Mike
# 1   27  Marry
# 2   39   Bolt

You could use .apply and pd.value_counts to get a count the occurrence of all the names in the name column.

dataframe['name'].apply(pd.value_counts)

It is a xml error for some reason may be because of deleting a view or string in another view or may be for missing " or /> ..... etc

But here I am using a good technique to figure out where is the problem exactly :-

• Go to every single xml file and minimize the root element if you find something like this so you got where is the error, fix it then repeat the process for all files.
  
  
• If the file has an error you will see three dots with red color
  
• Fix the error here I removed this line because this array is not in the string file any more.
  
• Now you can see there is no error in this file any more if you still got the main error so you have to repeat this process again to all xml files until you solve the error
  

I know it is not the solution of the main problem but it will make you find where is the error quickly and save you time.

Update

There is another way you can find out easily, as Bennik2000 write in comment, you can look at the right scrollbar for red lines, they also indicate errors.

Update

I found a very simple way to get where is the error exactly if it is in resource file or even java file.
1- Go to Project Window.
2- Open the file that has the error.
3- Click F2 to go to the nearest error appears (it will go to the correct line)

1.On Child Widget : add parameter Function paramter

class ChildWidget extends StatefulWidget {
  final Function() notifyParent;
  ChildWidget({Key key, @required this.notifyParent}) : super(key: key);
}

2.On Parent Widget : create a Function for the child to callback

refresh() {
  setState(() {});
}

3.On Parent Widget : pass parentFunction to Child Widget

new ChildWidget( notifyParent: refresh );  

4.On Child Widget : call the Parent Function

  widget.notifyParent();

The fetch API is not implemented in Node.

You need to use an external module for that, like node-fetch.

Install it in your Node application like this

npm i node-fetch --save

then put the line below at the top of the files where you are using the fetch API:

const fetch = require("node-fetch");

Consider just downloading the file with permanent link and gdown preinstalled like here

As others have pointed out, the cd command needs to start with a percentage sign:

%cd SwitchFrequencyAnalysis

Difference between % and !

Google Colab seems to inherit these syntaxes from Jupyter (which inherits them from IPython). Jake VanderPlas explains this IPython behaviour here. You can see the excerpt below.

If you play with IPython's shell commands for a while, you might notice that you cannot use !cd to navigate the filesystem:

In [11]: !pwd 
/home/jake/projects/myproject

In [12]: !cd ..

In [13]: !pwd 
/home/jake/projects/myproject 

The reason is that shell commands in the notebook are executed in a temporary subshell. If you'd like to change the working directory in a more enduring way, you can use the %cd magic command:

In [14]: %cd ..
/home/jake/projects

Another way to look at this: you need % because changing directory is relevant to the environment of the current notebook but not to the entire server runtime.

In general, use ! if the command is one that's okay to run in a separate shell. Use % if the command needs to be run on the specific notebook.

I followed below steps to install mcrypt for PHP7.2 using PECL.

1. Install PECL

apt-get install php-pecl

2. Before installing MCRYPT you must install libmcrypt

apt-get install libmcrypt-dev libreadline-dev

3. Install MCRYPT 1.0.1 using PECL

pecl install mcrypt-1.0.1

4. After the successful installation

You should add "extension=mcrypt.so" to php.ini

Please comment below if you need any assistance. :-)

IMPORTANT !

According to php.net reference many (all) mcrypt functions have been DEPRECATED as of PHP 7.1.0. Relying on this function is highly discouraged.

Using multidex support should be the last resort. By default gradle build will collect a ton of transitive dependencies for your APK. As recommended in Google Developers Docs, first attempt to remove unnecessary dependencies from your project.

Using command line navigate to Android Projects Root. You can get the compile dependency tree as follows.

gradlew app:dependencies --configuration debugCompileClasspath

You can get full list of dependency tree

gradlew app:dependencies

Then remove the unnecessary or transitive dependencies from your app build.gradle. As an example if your app uses dependency called 'com.google.api-client' you can exclude the libraries/modules you do not need.

implementation ('com.google.api-client:google-api-client-android:1.28.0'){
   exclude group: 'org.apache.httpcomponents'
   exclude group: 'com.google.guava'
   exclude group: 'com.fasterxml.jackson.core'
   }

Then in Android Studio Select Build > Analyze APK... Select the release/debug APK file to see the contents. This will give you the methods and references count as follows.

You can find more information about the date pipe here, such as formats.

If you want to use it in your component, you can simply do

pipe = new DatePipe('en-US'); // Use your own locale

Now, you can simply use its transform method, which will be

const now = Date.now();
const myFormattedDate = this.pipe.transform(now, 'short');

I was parsing JSON from a REST API call and got this error. It turns out the API had become "fussier" (eg about order of parameters etc) and so was returning malformed results. Check that you are getting what you expect :)

When you want a flex item to occupy an entire row, set it to width: 100% or flex-basis: 100%, and enable wrap on the container.

The item now consumes all available space. Siblings are forced on to other rows.

.parent {
  display: flex;
  flex-wrap: wrap;
}

#range, #text {
  flex: 1;
}

.error {
  flex: 0 0 100%; /* flex-grow, flex-shrink, flex-basis */
  border: 1px dashed black;
}

<div class="parent">
  <input type="range" id="range">
  <input type="text" id="text">
  <label class="error">Error message (takes full width)</label>
</div>

More info: The initial value of the flex-wrap property is nowrap, which means that all items will line up in a row. MDN

I eventually used:

weather["Temp"] = weather["Temp"].convert_objects(convert_numeric=True)

It worked just fine, except that I got the following message.

C:\ProgramData\Anaconda3\lib\site-packages\ipykernel_launcher.py:3: FutureWarning:
convert_objects is deprecated.  Use the data-type specific converters pd.to_datetime, pd.to_timedelta and pd.to_numeric.

I had the same problem, and my solution was to eliminate the line

android:screenOrientation="portrait"

and then add this in the activity:

if (android.os.Build.VERSION.SDK_INT < Build.VERSION_CODES.O) {
    setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
}

I had similar issue and no errors shown in Compilation. I have tried to clean and rebuild without any success. I managed to find the issue by using Invalidate Caches/Restart from file Menu, after the restart I managed to see the compilation error.

Either use:

pip install xlrd

And if you are using conda, use

conda install -c anaconda xlrd

That's it. good luck.

You have to look to official ReactiveX documentation: https://github.com/ReactiveX/rxjs/blob/master/doc/pipeable-operators.md.

This is a good article about piping in RxJS: https://blog.hackages.io/rxjs-5-5-piping-all-the-things-9d469d1b3f44.

In short .pipe() allows chaining multiple pipeable operators.

Starting in version 5.5 RxJS has shipped "pipeable operators" and renamed some operators:

do -> tap
catch -> catchError
switch -> switchAll
finally -> finalize

To run Anaconda Prompt using icon, I made an icon and put

%windir%\System32\cmd.exe "/K" C:\ProgramData\Anaconda3\Scripts\activate.bat C:\ProgramData\Anaconda3 The file location would be different in each computer.

at icon -> right click -> Property -> Shortcut -> Target

I see %HOMEPATH% at icon -> right click -> Property -> Start in

OS: Windows 10, Library: Anaconda 10 (64 bit)

It is certainly a bug, ssh works with one of my machines but not the other. I solved it, follow these.

1. Generate an access token with never expire date, and select all the options available.
2. Remove the existing SSH keys.
3. Clone the repo with the https instead of ssh.
4. Use the username but use the generated access token instead of password.

alternatively you can set remote to http by using this command in the existing repo, and use this command git remote set-url origin https://gitlab.com/[username]/[repo-name].git

This happens because your local module named urllib.py shadows the installed requests module you are trying to use. The current directory is preapended to sys.path, so the local name takes precedence over the installed name.

An extra debugging tip when this comes up is to look at the Traceback carefully, and realize that the name of your script in question is matching the module you are trying to import.

Rename your file to something else like url.py. Then It is working fine. Hope it helps!

It's error from your npm....

So unistall node and install it again.

It works....

PS: After installing node again, install angular cli globally.

npm install -g @angular/cli@latest

In my case I had to add the boundary to the header like the following:

const form = new FormData();
form.append(item.name, fs.createReadStream(pathToFile));

const response = await axios({
    method: 'post',
    url: 'http://www.yourserver.com/upload',
    data: form,
    headers: {
        'Content-Type': `multipart/form-data; boundary=${form._boundary}`,
    },
});

This solution is also useful if you're working with React Native.

Java Solution (Android 9.0, API 28)

In your Service class, add this:

@Override
public void onCreate(){
    super.onCreate();
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O)
        startMyOwnForeground();
    else
        startForeground(1, new Notification());
}

private void startMyOwnForeground(){
    String NOTIFICATION_CHANNEL_ID = "com.example.simpleapp";
    String channelName = "My Background Service";
    NotificationChannel chan = new NotificationChannel(NOTIFICATION_CHANNEL_ID, channelName, NotificationManager.IMPORTANCE_NONE);
    chan.setLightColor(Color.BLUE);
    chan.setLockscreenVisibility(Notification.VISIBILITY_PRIVATE);
    NotificationManager manager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
    assert manager != null;
    manager.createNotificationChannel(chan);

    NotificationCompat.Builder notificationBuilder = new NotificationCompat.Builder(this, NOTIFICATION_CHANNEL_ID);
    Notification notification = notificationBuilder.setOngoing(true)
            .setSmallIcon(R.drawable.icon_1)
            .setContentTitle("App is running in background")
            .setPriority(NotificationManager.IMPORTANCE_MIN)
            .setCategory(Notification.CATEGORY_SERVICE)
            .build();
    startForeground(2, notification);
}

UPDATE: ANDROID 9.0 PIE (API 28)

Add this permission to your AndroidManifest.xml file:

<uses-permission android:name="android.permission.FOREGROUND_SERVICE" />

If the requested resource of the server is using Flask. Install Flask-CORS.

In order to use Http in your app you will need to add the HttpModule to your app.module.ts:

import { BrowserModule } from '@angular/platform-browser';
import { NgModule, ErrorHandler } from '@angular/core';
import { HttpModule } from '@angular/http';
...
  imports: [
    BrowserModule,
    HttpModule,
    IonicModule.forRoot(MyApp),
    IonicStorageModule.forRoot()
  ]

EDIT

As mentioned in the comment below, HttpModule is deprecated now, use import { HttpClientModule } from '@angular/common/http'; Make sure HttpClientModule in your imports:[] array

Step 1:
Add .vs/ to your .gitignore file (as said in other answers).

Step 2:
It is important to understand, that step 1 WILL NOT remove files within .vs/ from your current branch index, if they have already been added to it. So clear your active branch by issuing:

git rm --cached -r .vs/*

Step 3:
Best to immediately repeat steps 1 and 2 for all other active branches of your project as well.
Otherwise you will easily face the same problems again when switching to an uncleaned branch.

Pro tip:
Instead of step 1 you may want to to use this official .gitingore template for VisualStudio that covers much more than just the .vs path:
https://github.com/github/gitignore/blob/master/VisualStudio.gitignore
(But still don't forget steps 2 and 3.)

Open: ./src/app/app.module.ts
And import Firebase Modules at the top:

import { environment } from '../environments/environment';
import { AngularFireModule } from 'angularfire2';
import { AngularFirestoreModule } from 'angularfire2/firestore';

And VERY IMPORTANT:
Remember to update 'imports' in NgModule:

@NgModule({
  declarations: [
    AppComponent,
    OtherComponent // Add other components here
    ...
  ],
  imports: [
    BrowserModule,
    AngularFireModule.initializeApp(environment.firebase, 'your-APP-name-here'),
    AngularFirestoreModule
  ],
  ...
})

Give it a try, it shall now work.
For detailed information follow the angularfire2 documentation:
https://github.com/angular/angularfire2/blob/master/docs/install-and-setup.md
Good luck!

Make the header looks like this for HttpClient in NG5:

let httpOptions = {
      headers: new HttpHeaders({
        'Content-Type': 'application/json',
        'apikey': this.apikey,
        'appkey': this.appkey,
      }),
      params: new HttpParams().set('program_id', this.program_id)
    };

You will be able to make api call with your localhost url, it works for me ..

• Please never forget your params columnd in the header: such as params: new HttpParams().set('program_id', this.program_id)

if you have null value then in doing mathematical operation you will get this error to resolve it use df[~df['x'].isnull()]df[['x']].astype(int) if you want your dataset to be unchangeable.

Send XML requests with the raw data type, then set the Content-Type to text/xml.

1. After creating a request, use the dropdown to change the request type to POST.

   

2. Open the Body tab and check the data type for raw.

   

3. Open the Content-Type selection box that appears to the right and select either XML (application/xml) or XML (text/xml)

   

4. Enter your raw XML data into the input field below

   

5. Click Send to submit your XML Request to the specified server.

   

I used below code and it's working fine for me. :

let jsonText = "{\"userName\":\"Bhavsang\"}"
var dictonary:NSDictionary?
    
if let data = jsonText.dataUsingEncoding(NSUTF8StringEncoding) {
        
     do {
            dictonary =  try NSJSONSerialization.JSONObjectWithData(data, options: [.allowFragments]) as? [String:AnyObject]
        
            if let myDictionary = dictonary
              {
                  print(" User name is: \(myDictionary["userName"]!)")
              }
            } catch let error as NSError {
            
            print(error)
         }
}

Bootstrap 3 - Just adding the "btn" Class worked for me.

Without pointer cursor:

<span class="label label-success">text</span>

With pointer cursor:

<span class="label label-success btn">text</span>

How to Fix Install Failed User Restricted Failure in Android Studio - For Xiaomi Redmi Note 4X (100% worked for me) Settings=>Additional settings=>Developer Options

1. Mock SD card optimization = OFF
2. USB debugging = ON
3. Install via USB = ON
4. USB debugging (Security settings) = ON
5. Verify apps over USB = ON
6. Force-closed apps = ON
7. Turn on MIUI optimization = OFF

In my case I found once I rebuild the app it worked.

I had imported the HttpClientModule as specified in the previous posts but I was still getting the error. I stopped the server, rebuilt the app (ng serve) and it worked.

I found this question when looking for a way to really read a local file instead of reading a file from the web server, which I'd rather call a "remote file".

Just call require:

const content = require('../../path_of_your.json');

The Angular-CLI source code inspired me: I found out that they include component templates by replacing the templateUrl property by template and the value by a require call to the actual HTML resource.

If you use the AOT compiler you have to add the node type definitons by adjusting tsconfig.app.json:

"compilerOptions": {
  "types": ["node"],
  ...
},
...

Since React eventually boils down to plain old JavaScript, you can really place it anywhere! For instance, you could place it on a componentDidMount() in a React class.

For you edit, you may want to try something like this:

class Component extends React.Component {
  constructor(props) {
    super(props);
    this.onAddBucket = this.onAddBucket.bind(this);
  }
  componentWillMount() {
    this.setState({
      buckets: {},
    })
  }
  componentDidMount() {
    this.onAddBucket();
  }
  onAddBucket() {
    let self = this;
    let getToken = localStorage.getItem('myToken');
    var apiBaseUrl = "...";
    let input = {
      "name" :  this.state.fields["bucket_name"]
    }
    axios.defaults.headers.common['Authorization'] = getToken;
    axios.post(apiBaseUrl+'...',input)
    .then(function (response) {
      if (response.data.status == 200) {
        this.setState({
          buckets: this.state.buckets.concat(response.data.buckets),
        });
      } else {
        alert(response.data.message);
      }
    })
    .catch(function (error) {
      console.log(error);
    });
  }
  render() {
    return (
      {this.state.bucket}
    );
  }
}

use this command php artisan migrate --path=/database/migrations/my_migration.php it worked for me..

You could use pandas plot as @Bharath suggest:

import seaborn as sns
sns.set()
df.set_index('App').T.plot(kind='bar', stacked=True)

Output:

Updated:

from matplotlib.colors import ListedColormap df.set_index('App')\ .reindex_axis(df.set_index('App').sum().sort_values().index, axis=1)\ .T.plot(kind='bar', stacked=True, colormap=ListedColormap(sns.color_palette("GnBu", 10)), figsize=(12,6))

Updated Pandas 0.21.0+ reindex_axis is deprecated, use reindex

from matplotlib.colors import ListedColormap

df.set_index('App')\
  .reindex(df.set_index('App').sum().sort_values().index, axis=1)\
  .T.plot(kind='bar', stacked=True,
          colormap=ListedColormap(sns.color_palette("GnBu", 10)), 
          figsize=(12,6))

Output:

I suggest to use this plugin flutter_easyloading

flutter_easyloading is clean and lightweight Loading widget for Flutter App, easy to use without context, support iOS and Android

Add this to your package's pubspec.yaml file:

dependencies:
  flutter_easyloading: ^2.0.0

Now in your Dart code, you can use:

import 'package:flutter_easyloading/flutter_easyloading.dart';

To use First, initialize FlutterEasyLoading in MaterialApp/CupertinoApp

class MyApp extends StatelessWidget {
  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter EasyLoading',
      theme: ThemeData(
        primarySwatch: Colors.blue,
      ),
      home: MyHomePage(title: 'Flutter EasyLoading'),
      builder: EasyLoading.init(),
    );
  }
}

EasyLoading is a singleton, so you can custom loading style any where like this:

import 'dart:async';
import 'package:flutter/material.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter_easyloading/flutter_easyloading.dart';
import './custom_animation.dart';

void main() {
  runApp(MyApp());
  configLoading();
}

void configLoading() {
  EasyLoading.instance
    ..displayDuration = const Duration(milliseconds: 2000)
    ..indicatorType = EasyLoadingIndicatorType.fadingCircle
    ..loadingStyle = EasyLoadingStyle.dark
    ..indicatorSize = 45.0
    ..radius = 10.0
    ..progressColor = Colors.yellow
    ..backgroundColor = Colors.green
    ..indicatorColor = Colors.yellow
    ..textColor = Colors.yellow
    ..maskColor = Colors.blue.withOpacity(0.5)
    ..userInteractions = true
    ..customAnimation = CustomAnimation();
}

Then, use per your requirement

import 'package:flutter/material.dart';
import 'package:flutter_easyloading/flutter_easyloading.dart';
import 'package:dio/dio.dart';

class TestPage extends StatefulWidget {
  @override
  _TestPageState createState() => _TestPageState();
}

class _TestPageState extends State<TestPage> {
  @override
  void initState() {
    super.initState();
    // EasyLoading.show();
  }

  @override
  void deactivate() {
    EasyLoading.dismiss();
    super.deactivate();
  }

  void loadData() async {
    try {
      EasyLoading.show();
      Response response = await Dio().get('https://github.com');
      print(response);
      EasyLoading.dismiss();
    } catch (e) {
      EasyLoading.showError(e.toString());
      print(e);
    }
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text('Flutter EasyLoading'),
      ),
      body: Center(
        child: FlatButton(
          textColor: Colors.blue,
          child: Text('loadData'),
          onPressed: () {
            loadData();
            // await Future.delayed(Duration(seconds: 2));
            // EasyLoading.show(status: 'loading...');
            // await Future.delayed(Duration(seconds: 5));
            // EasyLoading.dismiss();
          },
        ),
      ),
    );
  }
}

I recommend setting the display options inside a context manager so that it only affects a single output. I usually prefer "pretty" html-output, and define a function force_show_all(df) for displaying the DataFrame df:

from IPython.core.display import display, HTML

def force_show_all(df):
    with pd.option_context('display.max_rows', None, 'display.max_columns', None, 'display.width', None):
        display(HTML(df.to_html()))

# ... now when you're ready to fully display df:
force_show_all(df)

As others have mentioned, please be cautious to only call this on a reasonably-sized dataframe.

Numpy provides two identical methods to do this. Either use

np.round(data, 2)

or

np.around(data, 2)

as they are equivalent.

See the documentation for more information.

Examples:

>>> import numpy as np
>>> a = np.array([0.015, 0.235, 0.112])
>>> np.round(a, 2)
array([0.02, 0.24, 0.11])
>>> np.around(a, 2)
array([0.02, 0.24, 0.11])
>>> np.round(a, 1)
array([0. , 0.2, 0.1])

in google colabs if this is your first time,

from google.colab import drive
drive.mount('/content/drive')

run these codes and go through the outputlink then past the pass-prase to the box

when you copy you can copy as follows, go to file right click and copy the path ***don't forget to remove " /content "

f = open("drive/My Drive/RES/dimeric_force_field/Test/python_read/cropped.pdb", "r")

remove the config.php file located in bootstrap/cache/ enter link description here

that's works with me

In case of shared hosting when you do not have command line access simply navigate to laravel/bootstrap/cache folder and delete (or rename) config.php and you are all done!

Another way to do it is using the StructField if you have multiple fields that needs to be modified.

Ex:

from pyspark.sql.types import StructField,IntegerType, StructType,StringType
newDF=[StructField('CLICK_FLG',IntegerType(),True),
       StructField('OPEN_FLG',IntegerType(),True),
       StructField('I1_GNDR_CODE',StringType(),True),
       StructField('TRW_INCOME_CD_V4',StringType(),True),
       StructField('ASIAN_CD',IntegerType(),True),
       StructField('I1_INDIV_HHLD_STATUS_CODE',IntegerType(),True)
       ]
finalStruct=StructType(fields=newDF)
df=spark.read.csv('ctor.csv',schema=finalStruct)

Output:

Before

root
 |-- CLICK_FLG: string (nullable = true)
 |-- OPEN_FLG: string (nullable = true)
 |-- I1_GNDR_CODE: string (nullable = true)
 |-- TRW_INCOME_CD_V4: string (nullable = true)
 |-- ASIAN_CD: integer (nullable = true)
 |-- I1_INDIV_HHLD_STATUS_CODE: string (nullable = true)

After:

root
 |-- CLICK_FLG: integer (nullable = true)
 |-- OPEN_FLG: integer (nullable = true)
 |-- I1_GNDR_CODE: string (nullable = true)
 |-- TRW_INCOME_CD_V4: string (nullable = true)
 |-- ASIAN_CD: integer (nullable = true)
 |-- I1_INDIV_HHLD_STATUS_CODE: integer (nullable = true)

This is slightly a long procedure to cast , but the advantage is that all the required fields can be done.

It is to be noted that if only the required fields are assigned the data type, then the resultant dataframe will contain only those fields which are changed.

EDIT: The fetch request will still be running in the background and will most likely log an error in your console.

Indeed the Promise.race approach is better.

See this link for reference Promise.race()

Race means that all Promises will run at the same time, and the race will stop as soon as one of the promises returns a value. Therefore, only one value will be returned. You could also pass a function to call if the fetch times out.

fetchWithTimeout(url, {
  method: 'POST',
  body: formData,
  credentials: 'include',
}, 5000, () => { /* do stuff here */ });

If this piques your interest, a possible implementation would be :

function fetchWithTimeout(url, options, delay, onTimeout) {
  const timer = new Promise((resolve) => {
    setTimeout(resolve, delay, {
      timeout: true,
    });
  });
  return Promise.race([
    fetch(url, options),
    timer
  ]).then(response => {
    if (response.timeout) {
      onTimeout();
    }
    return response;
  });
}

If anyone get this error for ionic cordova install . just use this code npm install --no-optional in your cmd. And then run this code npm install -g ionic@latest cordova

I am using python 3 in windows. I also faced this issue. I just uninstalled 'mysqlclient' and then installed it again. It worked somehow

You can easily wrap the readFile command with a promise like so:

async function readFile(path) {
    return new Promise((resolve, reject) => {
      fs.readFile(path, 'utf8', function (err, data) {
        if (err) {
          reject(err);
        }
        resolve(data);
      });
    });
  }

then use:

await readFile("path/to/file");

First two columns and 5 rows

 df.select(df.columns[:2]).take(5)

This is working for me:

dataSource = new MatTableDataSource<Dict>([]);
    public search() {
        let url = `${Constants.API.COMMON}/dicts?page=${this.page.number}&` + 
        (this.name == '' ? '' : `name_like=${this.name}`);
    this._http.get<Dict>(url).subscribe((data)=> {
    // this.dataSource = data['_embedded'].dicts;
    this.dataSource.data =  data['_embedded'].dicts;
    this.page = data['page'];
    this.resetSelection();
  });
}

So you should declare your datasource instance as MatTableDataSource

DB_CONNECTION=mysql
DB_HOST=127.0.0.1
DB_PORT=3306
DB_DATABASE=shreemad
DB_USERNAME=root
DB_PASSWORD=

Change the DB_PASSWORD field to

DB_CONNECTION=mysql
DB_HOST=127.0.0.1
DB_PORT=3306
DB_DATABASE=shreemad
DB_USERNAME=root
DB_PASSWORD=" "

In my case it works

NOTE: If your password in mysql is null

Async/Await with axios 

  useEffect(() => {     
    const getData = async () => {  
      await axios.get('your_url')  
      .then(res => {  
        console.log(res)  
      })  
      .catch(err => {  
        console.log(err)  
      });  
    }  
    getData()  
  }, [])

you can use skimage.img_as_ubyte(yourdata) it will make you numpy array ranges from 0->255

from skimage import img_as_ubyte

img = img_as_ubyte(data)
cv2.imshow("Window", img)

public async Task<bool> Update(MyObject item)
{
    Context.Entry(await Context.MyDbSet.FirstOrDefaultAsync(x => x.Id == item.Id)).CurrentValues.SetValues(item);
    return (await Context.SaveChangesAsync()) > 0;
}

Client

Do not set the content-type header.

// Build formData object.
let formData = new FormData();
formData.append('name', 'John');
formData.append('password', 'John123');

fetch("api/SampleData",
    {
        body: formData,
        method: "post"
    });

Server

Use the FromForm attribute to specify that binding source is form data.

[Route("api/[controller]")]
public class SampleDataController : Controller
{
    [HttpPost]
    public IActionResult Create([FromForm]UserDto dto)
    {
        return Ok();
    }
}

public class UserDto
{
    public string Name { get; set; }
    public string Password { get; set; }
}

Check if the service account is added in IAM & Admin https://console.cloud.google.com/iam-admin/iam with an appropriate role such as Editor

You can name cells. This is done by clicking the Name Box (that thing next to the formula bar which says "A1" for example) and typing a name, such as, "myvar". Now you can use that name instead of the cell reference:

= myvar*25

Note: If you are using Python 3+, then you should use the print() function instead

Assuming that the filename is foo.py, the below snippet

import sys
print sys.argv[0][:-3]

or

import sys
print sys.argv[0][::-1][3:][::-1]

As for other extentions with more characters, for example the filename foo.pypy

import sys
print sys.argv[0].split('.')[0]

If you want to extract from an absolute path

import sys
print sys.argv[0].split('/')[-1].split('.')[0]

will output foo

protected $_convertTable = array(
    '&' => 'and',   '@' => 'at',    '©' => 'c', '®' => 'r', 'À' => 'a',
    'Á' => 'a', 'Â' => 'a', 'Ä' => 'a', 'Å' => 'a', 'Æ' => 'ae','Ç' => 'c',
    'È' => 'e', 'É' => 'e', 'Ë' => 'e', 'Ì' => 'i', 'Í' => 'i', 'Î' => 'i',
    'Ï' => 'i', 'Ò' => 'o', 'Ó' => 'o', 'Ô' => 'o', 'Õ' => 'o', 'Ö' => 'o',
    'Ø' => 'o', 'Ù' => 'u', 'Ú' => 'u', 'Û' => 'u', 'Ü' => 'u', 'Ý' => 'y',
    'ß' => 'ss','à' => 'a', 'á' => 'a', 'â' => 'a', 'ä' => 'a', 'å' => 'a',
    'æ' => 'ae','ç' => 'c', 'è' => 'e', 'é' => 'e', 'ê' => 'e', 'ë' => 'e',
    'ì' => 'i', 'í' => 'i', 'î' => 'i', 'ï' => 'i', 'ò' => 'o', 'ó' => 'o',
    'ô' => 'o', 'õ' => 'o', 'ö' => 'o', 'ø' => 'o', 'ù' => 'u', 'ú' => 'u',
    'û' => 'u', 'ü' => 'u', 'ý' => 'y', 'þ' => 'p', 'ÿ' => 'y', 'A' => 'a',
    'a' => 'a', 'A' => 'a', 'a' => 'a', 'A' => 'a', 'a' => 'a', 'C' => 'c',
    'c' => 'c', 'C' => 'c', 'c' => 'c', 'C' => 'c', 'c' => 'c', 'C' => 'c',
    'c' => 'c', 'D' => 'd', 'd' => 'd', 'Ð' => 'd', 'd' => 'd', 'E' => 'e',
    'e' => 'e', 'E' => 'e', 'e' => 'e', 'E' => 'e', 'e' => 'e', 'E' => 'e',
    'e' => 'e', 'E' => 'e', 'e' => 'e', 'G' => 'g', 'g' => 'g', 'G' => 'g',
    'g' => 'g', 'G' => 'g', 'g' => 'g', 'G' => 'g', 'g' => 'g', 'H' => 'h',
    'h' => 'h', 'H' => 'h', 'h' => 'h', 'I' => 'i', 'i' => 'i', 'I' => 'i',
    'i' => 'i', 'I' => 'i', 'i' => 'i', 'I' => 'i', 'i' => 'i', 'I' => 'i',
    'i' => 'i', '?' => 'ij','?' => 'ij','J' => 'j', 'j' => 'j', 'K' => 'k',
    'k' => 'k', '?' => 'k', 'L' => 'l', 'l' => 'l', 'L' => 'l', 'l' => 'l',
    'L' => 'l', 'l' => 'l', '?' => 'l', '?' => 'l', 'L' => 'l', 'l' => 'l',
    'N' => 'n', 'n' => 'n', 'N' => 'n', 'n' => 'n', 'N' => 'n', 'n' => 'n',
    '?' => 'n', '?' => 'n', '?' => 'n', 'O' => 'o', 'o' => 'o', 'O' => 'o',
    'o' => 'o', 'O' => 'o', 'o' => 'o', 'Œ' => 'oe','œ' => 'oe','R' => 'r',
    'r' => 'r', 'R' => 'r', 'r' => 'r', 'R' => 'r', 'r' => 'r', 'S' => 's',
    's' => 's', 'S' => 's', 's' => 's', 'S' => 's', 's' => 's', 'Š' => 's',
    'š' => 's', 'T' => 't', 't' => 't', 'T' => 't', 't' => 't', 'T' => 't',
    't' => 't', 'U' => 'u', 'u' => 'u', 'U' => 'u', 'u' => 'u', 'U' => 'u',
    'u' => 'u', 'U' => 'u', 'u' => 'u', 'U' => 'u', 'u' => 'u', 'U' => 'u',
    'u' => 'u', 'W' => 'w', 'w' => 'w', 'Y' => 'y', 'y' => 'y', 'Ÿ' => 'y',
    'Z' => 'z', 'z' => 'z', 'Z' => 'z', 'z' => 'z', 'Ž' => 'z', 'ž' => 'z',
    '?' => 'z', '?' => 'e', 'ƒ' => 'f', 'O' => 'o', 'o' => 'o', 'U' => 'u',
    'u' => 'u', 'A' => 'a', 'a' => 'a', 'I' => 'i', 'i' => 'i', 'O' => 'o',
    'o' => 'o', 'U' => 'u', 'u' => 'u', 'U' => 'u', 'u' => 'u', 'U' => 'u',
    'u' => 'u', 'U' => 'u', 'u' => 'u', 'U' => 'u', 'u' => 'u', '?' => 'a',
    '?' => 'a', '?' => 'ae','?' => 'ae','?' => 'o', '?' => 'o', '?' => 'e',
    '?' => 'jo','?' => 'e', '?' => 'i', '?' => 'i', '?' => 'a', '?' => 'b',
    '?' => 'v', '?' => 'g', '?' => 'd', '?' => 'e', '?' => 'zh','?' => 'z',
    '?' => 'i', '?' => 'j', '?' => 'k', '?' => 'l', '?' => 'm', '?' => 'n',
    '?' => 'o', '?' => 'p', '?' => 'r', '?' => 's', '?' => 't', '?' => 'u',
    '?' => 'f', '?' => 'h', '?' => 'c', '?' => 'ch','?' => 'sh','?' => 'sch',
    '?' => '-', '?' => 'y', '?' => '-', '?' => 'je','?' => 'ju','?' => 'ja',
    '?' => 'a', '?' => 'b', '?' => 'v', '?' => 'g', '?' => 'd', '?' => 'e',
    '?' => 'zh','?' => 'z', '?' => 'i', '?' => 'j', '?' => 'k', '?' => 'l',
    '?' => 'm', '?' => 'n', '?' => 'o', '?' => 'p', '?' => 'r', '?' => 's',
    '?' => 't', '?' => 'u', '?' => 'f', '?' => 'h', '?' => 'c', '?' => 'ch',
    '?' => 'sh','?' => 'sch','?' => '-','?' => 'y', '?' => '-', '?' => 'je',
    '?' => 'ju','?' => 'ja','?' => 'jo','?' => 'e', '?' => 'i', '?' => 'i',
    '?' => 'g', '?' => 'g', '?' => 'a', '?' => 'b', '?' => 'g', '?' => 'd',
    '?' => 'h', '?' => 'v', '?' => 'z', '?' => 'h', '?' => 't', '?' => 'i',
    '?' => 'k', '?' => 'k', '?' => 'l', '?' => 'm', '?' => 'm', '?' => 'n',
    '?' => 'n', '?' => 's', '?' => 'e', '?' => 'p', '?' => 'p', '?' => 'C',
    '?' => 'c', '?' => 'q', '?' => 'r', '?' => 'w', '?' => 't', '™' => 'tm',
);

From magento, im using it for basically everything

Simplest of all solutions:

filtered_df = df[df['var2'].isnull()]

This filters and gives you rows which has only NaN values in 'var2' column.

Any time you need to run sudo something ... to fix something, you should be pausing to think about what's going on. While the accepted answer here is perfectly valid, it's treating the symptom rather than the problem. Sorta the equivalent of buying bigger saddlebags to solve the problem of: error, cannot load more garbage onto pony. Pony has so much garbage already loaded, that pony is fainting with exhaustion.

An alternative (perhaps comparable to taking excess garbage off of pony and placing in the dump), is to run:

npm dedupe

Then go congratulate yourself for making pony happy.

If you deleted multiple files locally and did not commit the changes, go to your local repository path, open the git shell and type.

$ git checkout HEAD .

All the deleted files before the last commit will be recovered.

Adding "." will recover all the deleted the files in the current repository, to their respective paths.

For more details checkout the documentation.

As other people have mentioned, this issue is common when using adblock or similar extensions.

The source of my issues was my Privacy Badger extension.

Sorry writing late to the post but I see no accepted answer.

df.write().saveAsTable will throw AnalysisException and is not HIVE table compatible.

Storing DF as df.write().format("hive") should do the trick!

However, if that doesn't work, then going by the previous comments and answers, this is what is the best solution in my opinion (Open to suggestions though).

Best approach is to explicitly create HIVE table (including PARTITIONED table),

def createHiveTable: Unit ={
spark.sql("CREATE TABLE $hive_table_name($fields) " +
  "PARTITIONED BY ($partition_column String) STORED AS $StorageType")
}

save DF as temp table,

df.createOrReplaceTempView("$tempTableName")

and insert into PARTITIONED HIVE table:

spark.sql("insert into table default.$hive_table_name PARTITION($partition_column) select * from $tempTableName")
spark.sql("select * from default.$hive_table_name").show(1000,false)

Offcourse the LAST COLUMN in DF will be the PARTITION COLUMN so create HIVE table accordingly!

Please comment if it works! or not.

--UPDATE--

df.write()
  .partitionBy("$partition_column")
  .format("hive")
  .mode(SaveMode.append)
  .saveAsTable($new_table_name_to_be_created_in_hive)  //Table should not exist OR should be a PARTITIONED table in HIVE

All the previous posts bring valid points, but some don't answer the question precisely.

The question is: Why would someone prefer money when we already know it is a less precise data type and can cause errors if used in complex calculations?

You use money when you won't make complex calculations and can trade this precision for other needs.

For example, when you don't have to make those calculations, and need to import data from valid currency text strings. This automatic conversion works only with MONEY data type:

SELECT CONVERT(MONEY, '$1,000.68')

I know you can make your own import routine. But sometimes you don't want to recreate a import routine with worldwide specific locale formats.

Another example, when you don't have to make those calculations (you need just to store a value) and need to save 1 byte (money takes 8 bytes and decimal(19,4) takes 9 bytes). In some applications (fast CPU, big RAM, slow IO), like just reading huge amount of data, this can be faster too.

1) Open the project folder in Android Studio.
2) Select app folder -> Right click, and select refactor.
3) Click on move. It will ask to which package name type you own full package name and it will ask to create a new package yes create new automatically it ask for gradle to sync.

Step 1 – Check the DB listener status

   lsnrctl status

Notice that the listener you want (in our case “orcl”) is not showing.

Step 2 – Login via sqlplus

   sqlplus sys/oracle as sysdba

Sqlplus gave us this error message:

   Writing audit records to Windows Event Log failed

Step 3 – Go into the Windows Event Viewer (eventvwr.exe)

Under “Windows Logs”, right click on Application and select “Clear Log”. Do the same for System.

It may also be wise to right click on Application and select Properties. Then, under “Log Size” select the following option under “When maximum log size is reached”: “Overwrite events as needed”. This should prevent the log from maxing out and causing the DB not to start.

In Windows Vista and higher, you can execute the following command to clear the Application log:

   wevtutil cl Application

Step 4 – Login via sqlplus

   sqlplus sys/oracle as sysdba

You should now be able to login with no error messages.

Step 5 - Check the DB listener status

   lsnrctl status

You should now see your listener running.

Step 6 – Start UCM

UCM should now start up.

For a more in-depth answer to this question you can read my full blog post.

You can find if the textbox is disabled using is method by passing :disabled selector to it. Try this.

if($('textbox').is(':disabled')){
     //textbox is disabled
}

Between for and while: while does not need initialization nor update statement, so it may look better, more elegant; for can have statements missing, one two or all, so it is the most flexible and obvious if you need initialization, looping condition and "update" before looping. If you need only loop condition (tested at the beginning of the loop) then while is more elegant.

Between for/while and do-while: in do-while the condition is evaluated at the end of the loop. More confortable if the loop must be executed at least once.

After two dozens of comments to understand the situation, it was found that the libhdf5.so.7 was actually a symlink (with several levels of indirection) to a file that was not shared between the queued processes and the interactive processes. This means even though the symlink itself lies on a shared filesystem, the contents of the file do not and as a result the process was seeing different versions of the library.

For future reference: other than checking LD_LIBRARY_PATH, it's always a good idea to check a library with nm -D to see if the symbols actually exist. In this case it was found that they do exist in interactive mode but not when run in the queue. A quick md5sum revealed that the files were actually different.

The following from Paul Tarjan worked for me,

var data = { 'user_ids[]' : []};
$(":checked").each(function() {
  data['user_ids[]'].push($(this).val());
});
$.post("ajax.php", data);

but I had multiple forms on my page and it pulled checked boxes from all forms, so I made the following modification so it only pulled from one form,

var data = { 'user_ids[]' : []};
$('#name_of_your_form input[name="user_ids[]"]:checked').each(function() {
  data['user_ids[]'].push($(this).val());
});
$.post("ajax.php", data);

Just change name_of_your_form to the name of your form.

I'll also mention that if a user doesn't check any boxes then no array isset in PHP. I needed to know if a user unchecked all the boxes, so I added the following to the form,

<input style="display:none;" type="checkbox" name="user_ids[]" value="none" checked="checked"></input>

This way if no boxes are checked, it will still set the array with a value of "none".

Since it is hard to find good themes for IntelliJ IDEA, I've created this site: https://github.com/sdvoynikov/color-themes (note: site archived to GitHub repo) where there is a large collection of themes. There are 270 themes for now and the site is growing.

P.S.: Help me and other people — do not forget to upvote when you download themes from this site!

Using Flexbox:

HTML:

<div class="container">
  <img src="http://lorempixel.com/400/200" />
</div>

CSS:

.container {
  height: 500px;
  display: flex;
  justify-content: center; /* horizontal center */
  align-items: center;     /* vertical center */
}

View result

The best way is deltaE. DeltaE is a number that shows the difference of the colors. If deltae < 1 then the difference can't recognize by human eyes. I wrote a code in canvas and js for converting rgb to lab and then calculating delta e. On this example the code is recognising pixels which have different color with a base color that I saved as LAB1. and then if it is different makes those pixels red. You can increase or reduce the sensitivity of the color difference with increae or decrease the acceptable range of delta e. In this example I assigned 10 for deltaE in the line that I wrote (deltae <= 10):

<script>   
  var constants = {
    canvasWidth: 700, // In pixels.
    canvasHeight: 600, // In pixels.
    colorMap: new Array() 
          };



  // -----------------------------------------------------------------------------------------------------

  function fillcolormap(imageObj1) {


    function rgbtoxyz(red1,green1,blue1){ // a converter for converting rgb model to xyz model
 var red2 = red1/255;
 var green2 = green1/255;
 var blue2 = blue1/255;
 if(red2>0.04045){
      red2 = (red2+0.055)/1.055;
      red2 = Math.pow(red2,2.4);
 }
 else{
      red2 = red2/12.92;
 }
 if(green2>0.04045){
      green2 = (green2+0.055)/1.055;
      green2 = Math.pow(green2,2.4);    
 }
 else{
      green2 = green2/12.92;
 }
 if(blue2>0.04045){
      blue2 = (blue2+0.055)/1.055;
      blue2 = Math.pow(blue2,2.4);    
 }
 else{
      blue2 = blue2/12.92;
 }
 red2 = (red2*100);
 green2 = (green2*100);
 blue2 = (blue2*100);
 var x = (red2 * 0.4124) + (green2 * 0.3576) + (blue2 * 0.1805);
 var y = (red2 * 0.2126) + (green2 * 0.7152) + (blue2 * 0.0722);
 var z = (red2 * 0.0193) + (green2 * 0.1192) + (blue2 * 0.9505);
 var xyzresult = new Array();
 xyzresult[0] = x;
 xyzresult[1] = y;
 xyzresult[2] = z;
 return(xyzresult);
} //end of rgb_to_xyz function
function xyztolab(xyz){ //a convertor from xyz to lab model
 var x = xyz[0];
 var y = xyz[1];
 var z = xyz[2];
 var x2 = x/95.047;
 var y2 = y/100;
 var z2 = z/108.883;
 if(x2>0.008856){
      x2 = Math.pow(x2,1/3);
 }
 else{
      x2 = (7.787*x2) + (16/116);
 }
 if(y2>0.008856){
      y2 = Math.pow(y2,1/3);
 }
 else{
      y2 = (7.787*y2) + (16/116);
 }
 if(z2>0.008856){
      z2 = Math.pow(z2,1/3);
 }
 else{
      z2 = (7.787*z2) + (16/116);
 }
 var l= 116*y2 - 16;
 var a= 500*(x2-y2);
 var b= 200*(y2-z2);
 var labresult = new Array();
 labresult[0] = l;
 labresult[1] = a;
 labresult[2] = b;
 return(labresult);

}

    var canvas = document.getElementById('myCanvas');
    var context = canvas.getContext('2d');
    var imageX = 0;
    var imageY = 0;

    context.drawImage(imageObj1, imageX, imageY, 240, 140);
    var imageData = context.getImageData(0, 0, 240, 140);
    var data = imageData.data;
    var n = data.length;
   // iterate over all pixels

    var m = 0;
    for (var i = 0; i < n; i += 4) {
      var red = data[i];
      var green = data[i + 1];
      var blue = data[i + 2];
    var xyzcolor = new Array();
    xyzcolor = rgbtoxyz(red,green,blue);
    var lab = new Array();
    lab = xyztolab(xyzcolor);
    constants.colorMap.push(lab); //fill up the colormap array with lab colors.         
      } 

  }

// -----------------------------------------------------------------------------------------------------

    function colorize(pixqty) {

         function deltae94(lab1,lab2){    //calculating Delta E 1994

         var c1 = Math.sqrt((lab1[1]*lab1[1])+(lab1[2]*lab1[2]));
         var c2 =  Math.sqrt((lab2[1]*lab2[1])+(lab2[2]*lab2[2]));
         var dc = c1-c2;
         var dl = lab1[0]-lab2[0];
         var da = lab1[1]-lab2[1];
         var db = lab1[2]-lab2[2];
         var dh = Math.sqrt((da*da)+(db*db)-(dc*dc));
         var first = dl;
         var second = dc/(1+(0.045*c1));
         var third = dh/(1+(0.015*c1));
         var deresult = Math.sqrt((first*first)+(second*second)+(third*third));
         return(deresult);
          } // end of deltae94 function
    var lab11 =  new Array("80","-4","21");
    var lab12 = new Array();
    var k2=0;
    var canvas = document.getElementById('myCanvas');
                                        var context = canvas.getContext('2d');
                                        var imageData = context.getImageData(0, 0, 240, 140);
                                        var data = imageData.data;

    for (var i=0; i<pixqty; i++) {

    lab12 = constants.colorMap[i];

    var deltae = deltae94(lab11,lab12);     
                                        if (deltae <= 10) {

                                        data[i*4] = 255;
                                        data[(i*4)+1] = 0;
                                        data[(i*4)+2] = 0;  
                                        k2++;
                                        } // end of if 
                                } //end of for loop
    context.clearRect(0,0,240,140);
    alert(k2);
    context.putImageData(imageData,0,0);
} 
// -----------------------------------------------------------------------------------------------------

$(window).load(function () {    
  var imageObj = new Image();
  imageObj.onload = function() {
  fillcolormap(imageObj);    
  }
  imageObj.src = './mixcolor.png';
});

// ---------------------------------------------------------------------------------------------------
 var pixno2 = 240*140; 
 </script>

Check out gVim. You can launch that in its own window.

gVim makes it really easy to manage multiple open buffers graphically.

You can also do the usual :e to open a new file, CTRL+^ to toggle between buffers, etc...

Another cool feature lets you open a popup window that lists all the buffers you've worked on.

This allows you to switch between open buffers with a single click.

To do this, click on the Buffers menu at the top and click the dotted line with the scissors.

Otherwise you can just open a new tab from your terminal session and launch vi from there.

You can usually open a new tab from terminal with CTRL+T or CTRL+ALT+T

Once vi is launched, it's easy to open new files and switch between them.

The new cv2 interface for Python integrates numpy arrays into the OpenCV framework, which makes operations much simpler as they are represented with simple multidimensional arrays. For example, your question would be answered with:

import cv2  # Not actually necessary if you just want to create an image.
import numpy as np
blank_image = np.zeros((height,width,3), np.uint8)

This initialises an RGB-image that is just black. Now, for example, if you wanted to set the left half of the image to blue and the right half to green , you could do so easily:

blank_image[:,0:width//2] = (255,0,0)      # (B, G, R)
blank_image[:,width//2:width] = (0,255,0)

If you want to save yourself a lot of trouble in future, as well as having to ask questions such as this one, I would strongly recommend using the cv2 interface rather than the older cv one. I made the change recently and have never looked back. You can read more about cv2 at the OpenCV Change Logs.

Taken from the example on this site, I think this would be the most natural way of doing it, by filling in the header value and passing the header to the template.

This is to fill in the header Authorization:

String plainCreds = "willie:p@ssword";
byte[] plainCredsBytes = plainCreds.getBytes();
byte[] base64CredsBytes = Base64.encodeBase64(plainCredsBytes);
String base64Creds = new String(base64CredsBytes);

HttpHeaders headers = new HttpHeaders();
headers.add("Authorization", "Basic " + base64Creds);

And this is to pass the header to the REST template:

HttpEntity<String> request = new HttpEntity<String>(headers);
ResponseEntity<Account> response = restTemplate.exchange(url, HttpMethod.GET, request, Account.class);
Account account = response.getBody();

For setting Top Border and Bottom Border for a UIView in Swift.

let topBorder = UIView(frame: CGRect(x: 0, y: 0, width: 10, height: 1))
topBorder.backgroundColor = UIColor.black
myView.addSubview(topBorder)

let bottomBorder = UIView(frame: CGRect(x: 0, y: myView.frame.size.height - 1, width: 10, height: 1))
bottomBorder.backgroundColor = UIColor.black
myView.addSubview(bottomBorder)

For ASP.NET you can get the header directly from parameter in controller method using this simple library/package. It provides a [FromHeader] attribute just like you have in ASP.NET Core :). For example:

    ...
    using RazHeaderAttribute.Attributes;

    [Route("api/{controller}")]
    public class RandomController : ApiController 
    {
        ...
        // GET api/random
        [HttpGet]
        public IEnumerable<string> Get([FromHeader("pages")] int page, [FromHeader] string rows)
        {
            // Print in the debug window to be sure our bound stuff are passed :)
            Debug.WriteLine($"Rows {rows}, Page {page}");
            ...
        }
    }

Remove this line from your code:

console.info(JSON.parse(scatterSeries));

I submit that it is better to leave your data stacked as it is:

df = pandas.DataFrame(data, columns=['R_Number', 'C_Number', 'Avg', 'Std'])

# Possibly also this if these can always be the indexes:
# df = df.set_index(['R_Number', 'C_Number'])

Then it's a bit more intuitive to say

df.set_index(['R_Number', 'C_Number']).Avg.unstack(level=1)

This way it is implicit that you're seeking to reshape the averages, or the standard deviations. Whereas, just using pivot, it's purely based on column convention as to what semantic entity it is that you are reshaping.

Yes, you can set this on the inventory/host level.

^{With an already accepted answer present, I think this is a better answer to the question on how to handle this on the inventory level. I consider this more secure by isolating this insecure setting to the hosts required for this (e.g. test systems, local development machines).}

What you can do at the inventory level is add

ansible_ssh_common_args='-o StrictHostKeyChecking=no'

or

ansible_ssh_extra_args='-o StrictHostKeyChecking=no'

to your host definition (see Ansible Behavioral Inventory Parameters).

This will work provided you use the ssh connection type, not paramiko or something else).

For example, a Vagrant host definition would look like…

vagrant ansible_port=2222 ansible_host=127.0.0.1 ansible_ssh_common_args='-o StrictHostKeyChecking=no'

or

vagrant ansible_port=2222 ansible_host=127.0.0.1 ansible_ssh_extra_args='-o StrictHostKeyChecking=no'

Running Ansible will then be successful without changing any environment variable.

$ ansible vagrant -i <path/to/hosts/file> -m ping
vagrant | SUCCESS => {
    "changed": false, 
    "ping": "pong"
}

In case you want to do this for a group of hosts, here's a suggestion to make it a supplemental group var for an existing group like this:

[mytestsystems]
test[01:99].example.tld

[insecuressh:children]
mytestsystems

[insecuressh:vars]
ansible_ssh_common_args='-o StrictHostKeyChecking=no'

This problem can be caused by requests for certain files that don't exist. For example, requests for files in wp-content/uploads/ where the file does not exist.

If this is the situation you're seeing, you can solve the problem by going to .htaccess and changing this line:

RewriteRule ^(wp-(content|admin|includes).*) $1 [L]

to:

RewriteRule ^(wp-(content|admin|includes).*) - [L]

The underlying issue is that the rule above triggers a rewrite to the exact same url with a slash in front and because there was a rewrite, the newly rewritten request goes back through the rules again and the same rule is triggered. By changing that line's "$1" to "-", no rewrite happens and so the rewriting process does not start over again with the same URL.

It's possible that there's a difference in how apache 2.2 and 2.4 handle this situation of only-difference-is-a-slash-in-front and that's why the default rules provided by WordPress aren't working perfectly.

To get the files in the classpath :

Resource resource = new ClassPathResource("countries.xml");
File file = resource.getFile();

To read the file onStartup use @PostConstruct:

@Configuration
public class ReadFileOnStartUp {

    @PostConstruct
    public void afterPropertiesSet() throws Exception {

        //Gets the XML file under src/main/resources folder
        Resource resource = new ClassPathResource("countries.xml");
        File file = resource.getFile();
        //Logic to read File.
    }
}

Here is a Small example for reading an XML File on Spring Boot App startup.

(SELECT C.I_WORKDATE
         FROM T_COMPENSATION C
         WHERE C.I_COMPENSATEDDATE = A.I_REQDATE AND ROWNUM <= 1
         AND C.I_EMPID = A.I_EMPID)

I always try to factor out complex boolean expressions into meaningful variables (you could probably think of better names based on what these columns are used for):

bool notColumnsABC = (columnname != a && columnname != b && columnname != c);
bool notColumnA2OrBoxIsChecked = ( columnname != A2 || checkbox.checked );

if (   notColumnsABC 
    && notColumnA2OrBoxIsChecked )
  {
      "statement 1"
  }

May be useful:

The code that calls the Trigger should go after the event is called.

For example, I have some code that I want to be executed when #expense_tickets value is changed, and also, when page is reload

$(function() { 

  $("#expense_tickets").change(function() {
    // code that I want to be executed when #expense_tickets value is changed, and also, when page is reload
  });

  // now we trigger the change event
  $("#expense_tickets").trigger("change");

})

Probably something like:

ArrayList<DataPoint> myList = new ArrayList<DataPoint>();
//Fill up myList with your Data Points

//Traversal
for(DataPoint myPoint : myList) {
    if(myPoint.getName() != null && myPoint.getName().equals("Michael Hoffmann")) {
        //Process data do whatever you want
        System.out.println("Found it!");
     }
}

The way I do a different styled button that works quite well is to subclass the Button object and apply a colour filter. This also handles enabled and disabled states by applying an alpha to the button.

import android.annotation.TargetApi;
import android.content.Context;
import android.graphics.Color;
import android.graphics.ColorFilter;
import android.graphics.LightingColorFilter;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.LayerDrawable;
import android.os.Build;
import android.util.AttributeSet;
import android.widget.Button;

public class DimmableButton extends Button {

    public DimmableButton(Context context) {
        super(context);
    }

    public DimmableButton(Context context, AttributeSet attrs) {
        super(context, attrs);
    }

    public DimmableButton(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
    }

    @SuppressWarnings("deprecation")
    @Override
    public void setBackgroundDrawable(Drawable d) {
        // Replace the original background drawable (e.g. image) with a LayerDrawable that
        // contains the original drawable.
        DimmableButtonBackgroundDrawable layer = new DimmableButtonBackgroundDrawable(d);
        super.setBackgroundDrawable(layer);
    }

    @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
    @Override
    public void setBackground(Drawable d) {
        // Replace the original background drawable (e.g. image) with a LayerDrawable that
        // contains the original drawable.
        DimmableButtonBackgroundDrawable layer = new DimmableButtonBackgroundDrawable(d);
        super.setBackground(layer);
    }

    /**
     * The stateful LayerDrawable used by this button.
     */
    protected class DimmableButtonBackgroundDrawable extends LayerDrawable {

        // The color filter to apply when the button is pressed
        protected ColorFilter _pressedFilter = new LightingColorFilter(Color.LTGRAY, 1);
        // Alpha value when the button is disabled
        protected int _disabledAlpha = 100;
        // Alpha value when the button is enabled
        protected int _fullAlpha = 255;

        public DimmableButtonBackgroundDrawable(Drawable d) {
            super(new Drawable[] { d });
        }

        @Override
        protected boolean onStateChange(int[] states) {
            boolean enabled = false;
            boolean pressed = false;

            for (int state : states) {
                if (state == android.R.attr.state_enabled)
                    enabled = true;
                else if (state == android.R.attr.state_pressed)
                    pressed = true;
            }

            mutate();
            if (enabled && pressed) {
                setColorFilter(_pressedFilter);
            } else if (!enabled) {
                setColorFilter(null);
                setAlpha(_disabledAlpha);
            } else {
                setColorFilter(null);
                setAlpha(_fullAlpha);
            }

            invalidateSelf();

            return super.onStateChange(states);
        }

        @Override
        public boolean isStateful() {
            return true;
        }
    }

}

/*
# +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
# dejavu sans
# +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
*/
/*default version*/
@font-face {
    font-family: 'DejaVu Sans';
    src: url('dejavu/DejaVuSans.ttf'); /* IE9 Compat Modes */
    src: 
        local('DejaVu Sans'),
        local('DejaVu-Sans'), /* Duplicated name with hyphen */
        url('dejavu/DejaVuSans.ttf') 
        format('truetype');
}
/*bold version*/
@font-face {
    font-family: 'DejaVu Sans';
    src: url('dejavu/DejaVuSans-Bold.ttf'); 
    src: 
        local('DejaVu Sans'),
        local('DejaVu-Sans'),
        url('dejavu/DejaVuSans-Bold.ttf') 
        format('truetype');
    font-weight: bold;
}
/*italic version*/
@font-face {
    font-family: 'DejaVu Sans';
    src: url('dejavu/DejaVuSans-Oblique.ttf'); 
    src: 
        local('DejaVu Sans'),
        local('DejaVu-Sans'),
        url('dejavu/DejaVuSans-Oblique.ttf') 
        format('truetype');
    font-style: italic;
}
/*bold italic version*/
@font-face {
    font-family: 'DejaVu Sans';
    src: url('dejavu/DejaVuSans-BoldOblique.ttf'); 
    src: 
        local('DejaVu Sans'),
        local('DejaVu-Sans'),
        url('dejavu/DejaVuSans-BoldOblique.ttf') 
        format('truetype');
    font-weight: bold;
    font-style: italic;
}

• have names, unlike constructors, which can clarify code.
• do not need to create a new object upon each invocation - objects can be cached and reused, if necessary.
• can return a subtype of their return type - in particular, can return an object whose implementation class is unknown to the caller. This is a very valuable and widely used feature in many frameworks which use interfaces as the return type of static factory methods.

fromhttp://www.javapractices.com/topic/TopicAction.do?Id=21

Maybe your class isn't quite complete. Personally, I use a private init() function with all of my overloaded constructors.

class Point2D {

  double X, Y;

  public Point2D(double x, double y) {
    init(x, y);
  }

  public Point2D(Point2D point) {
    if (point == null)
      throw new ArgumentNullException("point");
    init(point.X, point.Y);
  }

  void init(double x, double y) {
    // ... Contracts ...
    X = x;
    Y = y;
  }
}

Lo-Dash, which extends Underscore, has findIndex method, that can find the index of a given instance, or by a given predicate, or according to the properties of a given object.

In your case, I would do:

var index = _.findIndex(tv, { id: voteID });

Give it a try.

That should work:

>>> df = pd.DataFrame()
>>> data = pd.DataFrame({"A": range(3)})
>>> df.append(data)
   A
0  0
1  1
2  2

But the append doesn't happen in-place, so you'll have to store the output if you want it:

>>> df
Empty DataFrame
Columns: []
Index: []
>>> df = df.append(data)
>>> df
   A
0  0
1  1
2  2

Modernizr doesn't detect browsers as such, it detects which feature and capability are present and this is the whole jist of what it's trying to do.

You could try hooking in a simple detection script like this and then using it to make your choice. I've included Version Detection as well just in case that's needed. If you only want to check of any version of IE you could just look for the navigator.userAgent having a value of "MSIE".

var BrowserDetect = {_x000D_
        init: function () {_x000D_
            this.browser = this.searchString(this.dataBrowser) || "Other";_x000D_
            this.version = this.searchVersion(navigator.userAgent) || this.searchVersion(navigator.appVersion) || "Unknown";_x000D_
        },_x000D_
        searchString: function (data) {_x000D_
            for (var i = 0; i < data.length; i++) {_x000D_
                var dataString = data[i].string;_x000D_
                this.versionSearchString = data[i].subString;_x000D_
_x000D_
                if (dataString.indexOf(data[i].subString) !== -1) {_x000D_
                    return data[i].identity;_x000D_
                }_x000D_
            }_x000D_
        },_x000D_
        searchVersion: function (dataString) {_x000D_
            var index = dataString.indexOf(this.versionSearchString);_x000D_
            if (index === -1) {_x000D_
                return;_x000D_
            }_x000D_
_x000D_
            var rv = dataString.indexOf("rv:");_x000D_
            if (this.versionSearchString === "Trident" && rv !== -1) {_x000D_
                return parseFloat(dataString.substring(rv + 3));_x000D_
            } else {_x000D_
                return parseFloat(dataString.substring(index + this.versionSearchString.length + 1));_x000D_
            }_x000D_
        },_x000D_
_x000D_
        dataBrowser: [_x000D_
            {string: navigator.userAgent, subString: "Edge", identity: "MS Edge"},_x000D_
            {string: navigator.userAgent, subString: "MSIE", identity: "Explorer"},_x000D_
            {string: navigator.userAgent, subString: "Trident", identity: "Explorer"},_x000D_
            {string: navigator.userAgent, subString: "Firefox", identity: "Firefox"},_x000D_
            {string: navigator.userAgent, subString: "Opera", identity: "Opera"},  _x000D_
            {string: navigator.userAgent, subString: "OPR", identity: "Opera"},  _x000D_
_x000D_
            {string: navigator.userAgent, subString: "Chrome", identity: "Chrome"}, _x000D_
            {string: navigator.userAgent, subString: "Safari", identity: "Safari"}       _x000D_
        ]_x000D_
    };_x000D_
    _x000D_
    BrowserDetect.init();_x000D_
    document.write("You are using <b>" + BrowserDetect.browser + "</b> with version <b>" + BrowserDetect.version + "</b>");

You can then simply check for:

BrowserDetect.browser == 'Explorer';
BrowserDetect.version <= 9;

There are lots of systems that support LDAP to talk to them, not just Active Directory.

Sun, IBM, Novell all have directory services that are very effective as LDAP servers.

Building onto answer from @zeusstl, for multiple images uploaded:

function img_resize()
{

  $input = 'input-upload-img1'; // Name of input

  $maxDim = 400;
  foreach ($_FILES[$input]['tmp_name'] as $file_name){
    list($width, $height, $type, $attr) = getimagesize( $file_name );
    if ( $width > $maxDim || $height > $maxDim ) {
        $target_filename = $file_name;
        $ratio = $width/$height;
        if( $ratio > 1) {
            $new_width = $maxDim;
            $new_height = $maxDim/$ratio;
        } else {
            $new_width = $maxDim*$ratio;
            $new_height = $maxDim;
        }
        $src = imagecreatefromstring( file_get_contents( $file_name ) );
        $dst = imagecreatetruecolor( $new_width, $new_height );
        imagecopyresampled( $dst, $src, 0, 0, 0, 0, $new_width, $new_height, $width, $height );
        imagedestroy( $src );
        imagepng( $dst, $target_filename ); // adjust format as needed
        imagedestroy( $dst );
    }
  }
}

Double escaping is required when presented as a string.

Whenever I'm making a new regular expression I do a bunch of tests with online tools, for example: http://www.regexplanet.com/advanced/java/index.html

That website allows you to enter the regular expression, which it'll escape into a string for you, and you can then test it against different inputs.

If you're using the standard SVN installation the svn:// connection will work on tcpip port 3690 and so it's basically impossible to connect unless you change your network configuration (you said only Http traffic is allowed) or you install the http module and Apache on the server hosting your SVN server.

The code is

document.addEventListener('keydown', function(event){
    alert(event.keyCode);
} );

This return the ascii code of the key. If you need the key representation, use event.key (This will return 'a', 'o', 'Alt'...)

This is my solution is use display: inline

Some text <div class="dropdown" style="display:inline">
  <button class="btn btn-default dropdown-toggle" type="button" id="dropdownMenu1" data-toggle="dropdown" aria-haspopup="true" aria-expanded="true">
    Dropdown
    <span class="caret"></span>
  </button>
  <ul class="dropdown-menu" aria-labelledby="dropdownMenu1">
    <li><a href="#">Action</a></li>
    <li><a href="#">Another action</a></li>
    <li><a href="#">Something else here</a></li>
    <li><a href="#">Separated link</a></li>
  </ul>
</div> is here

a

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>_x000D_
_x000D_
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js"></script>_x000D_
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap-theme.min.css" rel="stylesheet" />_x000D_
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.min.css" rel="stylesheet" />Your text_x000D_
<div class="dropdown" style="display: inline">_x000D_
  <button class="btn btn-default dropdown-toggle" type="button" id="dropdownMenu1" data-toggle="dropdown" aria-haspopup="true" aria-expanded="true">_x000D_
    Dropdown_x000D_
    <span class="caret"></span>_x000D_
  </button>_x000D_
  <ul class="dropdown-menu" aria-labelledby="dropdownMenu1">_x000D_
    <li><a href="#">Action</a>_x000D_
    </li>_x000D_
    <li><a href="#">Another action</a>_x000D_
    </li>_x000D_
    <li><a href="#">Something else here</a>_x000D_
    </li>_x000D_
    <li><a href="#">Separated link</a>_x000D_
    </li>_x000D_
  </ul>_x000D_
</div>is here

Utility method which you call by passing navigationController and color which you like to set on navigation bar. For transparent you can use clearColor of UIColor class.

For objective c -

+ (void)setNavigationBarColor:(UINavigationController *)navigationController 
                               color:(UIColor*) color {
   [navigationController setNavigationBarHidden:false animated:false];
   [navigationController.navigationBar setBackgroundImage:[UIImage new] forBarMetrics:UIBarMetricsDefault];
   [navigationController.navigationBar setShadowImage:[UIImage new]];
   [navigationController.navigationBar setTranslucent:true];
   [navigationController.view setBackgroundColor:color];
   [navigationController.navigationBar setBackgroundColor:color];
}

For Swift 3.0 -

class func setNavigationBarColor(navigationController : UINavigationController?, 
                                 color : UIColor) {
    navigationController?.setNavigationBarHidden(false, animated: false)
    navigationController?.navigationBar .setBackgroundImage(UIImage(), forBarMetrics: UIBarMetrics.Default)
    navigationController?.navigationBar.shadowImage = UIImage()
    navigationController?.navigationBar.translucent = true
    navigationController?.view.backgroundColor = color
    navigationController?.navigationBar.backgroundColor =  color
}

You should rather use the attribute placeholder to give the default value to the text input field.

e.g.

<input type="text" size="32" placeholder="1000" name="fee" />

The Easiest way to do it is to have good site structure and write it as a constant.

DEFINE("BACK_ROOT","/var/www/");

"echo off" is not ignored. "echo off" means that you do not want the commands echoed, it does not say anything about the errors produced by the commands.

The lines you showed us look okay, so the problem is probably not there. So, please show us more lines. Also, please show us the exact value of INSTALL_PATH.

For completeness with os.scandir (2x faster over pathlib):

import os
sorted(os.scandir('/tmp/test'), key=lambda d: d.stat().st_mtime)

If you are already using Android Studio, you can update via the built in Update mechanism (Check For Updates); make sure you switch to the canary or beta channels if you're not being offered an update.

To configure automatic update settings, see the Updates dialog of your IDE Preferences or settings. You can then switch to either the canary or beta channels. (The default is "stable" but probably that one fails to automatically inform of updates).

Hope it helps. Thanks.

See this example in the MDN.

If you need to define multiple Errors (test the code here!):

function createErrorType(name, initFunction) {
    function E(message) {
        this.message = message;
        if (Error.captureStackTrace)
            Error.captureStackTrace(this, this.constructor);
        else
            this.stack = (new Error()).stack;
        initFunction && initFunction.apply(this, arguments);
    }
    E.prototype = Object.create(Error.prototype);
    E.prototype.name = name;
    E.prototype.constructor = E;
    return E;
}
var InvalidStateError = createErrorType(
    'InvalidStateError',
    function (invalidState, acceptedStates) {
        this.message = 'The state ' + invalidState + ' is invalid. Expected ' + acceptedStates + '.';
    });

var error = new InvalidStateError('foo', 'bar or baz');
function assert(condition) { if (!condition) throw new Error(); }
assert(error.message);
assert(error instanceof InvalidStateError);  
assert(error instanceof Error); 
assert(error.name == 'InvalidStateError');
assert(error.stack);
error.message;

Code is mostly copied from: What's a good way to extend Error in JavaScript?

As soon as a WHEN statement is true the break is implicit.

You will have to concider which WHEN Expression is the most likely to happen. If you put that WHEN at the end of a long list of WHEN statements, your sql is likely to be slower. So put it up front as the first.

More information here: break in case statement in T-SQL

Trick that works for me is,

Starting XAMPP as administrator

I tried changing ports using httpd.config and httpd-ssl.config. It ended my saving it in .txt file. Also used config on the right top. None worked

I am using VMworkstation.

http://www.kernel.org/pub/software/scm/git/docs/git-revert.html

using git revert <commit> will create a new commit that reverts the one you dont want to have.

You can specify a list of commits to revert.

An alternative: http://git-scm.com/docs/git-reset

git reset will reset your copy to the commit you want.

Create a class Language

public class Language
{
     public string Name{get;set;}
     public string Value{get;set;}
     public override string ToString() { return this.Name;}
}

Then, add as many language to the combobox that you want:

yourCombobox.Items.Add(new Language{Name="English",Value="En"});

It depends on the compile context (See Example below).

out and ref both denote variable passing by reference, yet ref requires the variable to be initialized before being passed, which can be an important difference in the context of Marshaling (Interop: UmanagedToManagedTransition or vice versa)

MSDN warns:

Do not confuse the concept of passing by reference with the concept of reference types. The two concepts are not the same. A method parameter can be modified by ref regardless of whether it is a value type or a reference type. There is no boxing of a value type when it is passed by reference.

From the official MSDN Docs:

• out:

The out keyword causes arguments to be passed by reference. This is similar to the ref keyword, except that ref requires that the variable be initialized before being passed

• ref:

The ref keyword causes an argument to be passed by reference, not by value. The effect of passing by reference is that any change to the parameter in the method is reflected in the underlying argument variable in the calling method. The value of a reference parameter is always the same as the value of the underlying argument variable.

We can verify that the out and ref are indeed the same when the argument gets assigned:

CIL Example:

Consider the following example

static class outRefTest{
    public static int myfunc(int x){x=0; return x; }
    public static void myfuncOut(out int x){x=0;}
    public static void myfuncRef(ref int x){x=0;}
    public static void myfuncRefEmpty(ref int x){}
    // Define other methods and classes here
}

in CIL, the instructions of myfuncOut and myfuncRef are identical as expected.

outRefTest.myfunc:
IL_0000:  nop         
IL_0001:  ldc.i4.0    
IL_0002:  starg.s     00 
IL_0004:  ldarg.0     
IL_0005:  stloc.0     
IL_0006:  br.s        IL_0008
IL_0008:  ldloc.0     
IL_0009:  ret         

outRefTest.myfuncOut:
IL_0000:  nop         
IL_0001:  ldarg.0     
IL_0002:  ldc.i4.0    
IL_0003:  stind.i4    
IL_0004:  ret         

outRefTest.myfuncRef:
IL_0000:  nop         
IL_0001:  ldarg.0     
IL_0002:  ldc.i4.0    
IL_0003:  stind.i4    
IL_0004:  ret         

outRefTest.myfuncRefEmpty:
IL_0000:  nop         
IL_0001:  ret         

nop: no operation, ldloc: load local, stloc: stack local, ldarg: load argument, bs.s: branch to target....

(See: List of CIL instructions )

The answer is just 1 line code:

let randomNumber = arc4random_uniform(8999) + 1000 //for 4 digit random number
let randomNumber = arc4random_uniform(899999999) + 100000000 //for 9 digit random number
let randomNumber = arc4random_uniform(89) + 10    //for 2 digit random number
let randomNumber = arc4random_uniform(899) + 100  //for 3 digit random number

The alternate solution is:

    func generateRandomNumber(numDigits: Int) -> Int{
    var place = 1
    var finalNumber = 0;
    var finanum = 0;
    for var i in 0 ..< numDigits {
        place *= 10
        let randomNumber = arc4random_uniform(10)         
        finalNumber += Int(randomNumber) * place
        finanum = finalNumber / 10
           i += 1
    }
    return finanum
}

Although the drawback is that number cannot start from 0.

Scripting is inevitable.

This isn't provided because of the security risk. <input type='file' /> is closest, but not what you are looking for.

Checkout this example that uses Javascript to achieve what you want.

If the OS is windows, you can use VB scripts to access the core control files to browse for a folder.

I try lots of ways and finally try this:

def db_persist(func):
    def persist(*args, **kwargs):
        func(*args, **kwargs)
        try:
            session.commit()
            logger.info("success calling db func: " + func.__name__)
            return True
        except SQLAlchemyError as e:
            logger.error(e.args)
            session.rollback()
            return False

    return persist

and :

@db_persist
def insert_or_update(table_object):
    return session.merge(table_object)

You could just use this

FileOpen(1, "C:\my files\2010\SomeFileName.txt", OpenMode.Output)
FileClose(1)

This opens the file replaces whatever is in it and closes the file.

Put the control you want to bring to front at the end of your xaml code. I.e.

<Grid>
  <TabControl ...>
  </TabControl>
  <Button Content="ALways on top of TabControl Button"/>
</Grid>

Function component example using useEffect:

Note: You need to remove the event listener by returning a "clean up" function in useEffect. If you don't, every time the component updates you will have an additional window scroll listener.

import React, { useState, useEffect } from "react"

const ScrollingElement = () => {
  const [scrollY, setScrollY] = useState(0);

  function logit() {
    setScrollY(window.pageYOffset);
  }

  useEffect(() => {
    function watchScroll() {
      window.addEventListener("scroll", logit);
    }
    watchScroll();
    // Remove listener (like componentWillUnmount)
    return () => {
      window.removeEventListener("scroll", logit);
    };
  }, []);

  return (
    <div className="App">
      <div className="fixed-center">Scroll position: {scrollY}px</div>
    </div>
  );
}

Try this

function readRows() {
  var sheet = SpreadsheetApp.getActiveSheet();
  var rows = sheet.getDataRange();
  var numRows = rows.getNumRows();
  //var values = rows.getValues();

  var Names = sheet.getRange("A2:A7");
  var Name = [
    Names.getCell(1, 1).getValue(),
    Names.getCell(2, 1).getValue(),
    .....
    Names.getCell(5, 1).getValue()]

You can define arrays simply as follows, instead of allocating and then assigning.

var arr = [1,2,3,5]

Your initial error was because of the following line, and ones like it

var Name[0] = Name_cell.getValue(); 

Since Name is already defined and you are assigning the values to its elements, you should skip the var, so just

Name[0] = Name_cell.getValue();

Pro tip: For most issues that, like this one, don't directly involve Google services, you are better off Googling for the way to do it in javascript in general.

- (void)changeColorWithString:(UILabel *)uilabel stringToReplace:(NSString *) stringToReplace uiColor:(UIColor *) uiColor{
    NSMutableAttributedString *text =
    [[NSMutableAttributedString alloc]
     initWithAttributedString: uilabel.attributedText];

    [text addAttribute: NSForegroundColorAttributeName value:uiColor range:[uilabel.text rangeOfString:stringToReplace]];

    [uilabel setAttributedText: text];

}

This should work for matches that might overlap:

public static void main(String[] args) {
    String input = "aaaaaaaa";
    String regex = "aa";
    Pattern pattern = Pattern.compile(regex);
    Matcher matcher = pattern.matcher(input);
    int from = 0;
    int count = 0;
    while(matcher.find(from)) {
        count++;
        from = matcher.start() + 1;
    }
    System.out.println(count);
}

An elegant way to count the occurrence of '?' or any symbol in any column, is to use built-in function isin of a dataframe object.

Suppose that we have loaded the 'Automobile' dataset into df object. We do not know which columns contain missing value ('?' symbol), so let do:

df.isin(['?']).sum(axis=0)

DataFrame.isin(values) official document says:

it returns boolean DataFrame showing whether each element in the DataFrame is contained in values

Note that isin accepts an iterable as input, thus we need to pass a list containing the target symbol to this function. df.isin(['?']) will return a boolean dataframe as follows.

    symboling   normalized-losses   make    fuel-type   aspiration-ratio ...
0   False       True                False   False       False
1   False       True                False   False       False
2   False       True                False   False       False
3   False       False               False   False       False
4   False       False               False   False       False
5   False       True                False   False       False
...

To count the number of occurrence of the target symbol in each column, let's take sum over all the rows of the above dataframe by indicating axis=0. The final (truncated) result shows what we expect:

symboling             0
normalized-losses    41
...
bore                  4
stroke                4
compression-ratio     0
horsepower            2
peak-rpm              2
city-mpg              0
highway-mpg           0
price                 4

super is a keyword. It is used inside a sub-class method definition to call a method defined in the superclass. Private methods of the superclass cannot be called. Only public and protected methods can be called by the super keyword. It is also used by class constructors to invoke constructors of its parent class.

Check here for further explanation.

The answer of philfreo is great, it works perfectly (cross-browser, with IE 7+). Just add my exp for the anchor tag inside li.

#footer ul li { display: inline; }
#footer ul li a { padding: 2px 4px; } /* no display: block here */

#footer ul li { position: relative; float: left; display: block; right: 50%; }
#footer ul li a {display: block; left: 0; } 

1:list name of all employee who earn more than RS.100000 in a year.

2:give the name of employee who earn heads the department where employee with employee I.D

You sure can. Create an HTML page with the form in it that will contain the necessary components from the login.aspx page (i.e. username, etc), and make sure they have the same IDs. For you action, make sure it's a post.

You might have to do some code on the login.aspx page in the Page_Load function to read the form (in the Request.Form object) and call the appropriate functions to log the user in, but other than that, you should have access to the form, and can do what you want with it.

I wanted to do the same thing as, but I wanted to do it in the one file.

So the logic would be:

• if a script with my name is running, kill it, then exit
• if a script with my name is not running, do stuff

I modified the answer by Bakuriu and came up with this:

from os import getpid
from sys import argv, exit
import psutil  ## pip install psutil

myname = argv[0]
mypid = getpid()
for process in psutil.process_iter():
    if process.pid != mypid:
        for path in process.cmdline():
            if myname in path:
                print "process found"
                process.terminate()
                exit()

## your program starts here...

Running the script will do whatever the script does. Running another instance of the script will kill any existing instance of the script.

I use this to display a little PyGTK calendar widget which runs when I click the clock. If I click and the calendar is not up, the calendar displays. If the calendar is running and I click the clock, the calendar disappears.

If you want to do it using Pentaho DI, you can use "Modified JavaScript" Step and write the below function:

dateAdd(d1, "d", -7);  // d1 is the current date and "d" is the date identifier

Check the image below: [Assuming current date is : 22 December 2014]

Hope it helps :)

I use this free program to synchronize local files and directories: https://github.com/Fitus/Zaloha.sh. The repository contains a simple demo as well.

The good point: It is a bash shell script (one file only). Not a black box like other programs. Documentation is there as well. Also, with some technical talents, you can "bend" and "integrate" it to create the final solution you like.

Quite similar approve as already posted above. However it's easier to read.

/**
 * Remove all empty spaces from array a string array
 * @param arr array
 * @return array without ""
 */
public static String[] removeAllEmpty(String[] arr) {
    if (arr == null)
        return arr;

    String[] result = new String[arr.length];
    int amountOfValidStrings = 0;

    for (int i = 0; i < arr.length; i++) {
        if (!arr[i].equals(""))
            result[amountOfValidStrings++] = arr[i];
    }

    result = Arrays.copyOf(result, amountOfValidStrings);

    return result;
}

The correct syntax is:

import sampleModule = require('modulename');

or

import * as sampleModule from 'modulename';

Then compile your TypeScript with --module commonjs.

If the package doesn't come with an index.d.ts file and its package.json doesn't have a "typings" property, tsc will bark that it doesn't know what 'modulename' refers to. For this purpose you need to find a .d.ts file for it on http://definitelytyped.org/, or write one yourself.

If you are writing code for Node.js you will also want the node.d.ts file from http://definitelytyped.org/.

What worked for me:

1. Change the Java to 1.8 (or 1.7)

In your POM - you have to set compiler plugin to version 1.8 (or 1.7) in <build> section:

  <build>
    ...
      <plugins>
        <plugin>
          <groupId>org.apache.maven.plugins</groupId>
          <artifactId>maven-compiler-plugin</artifactId>
          <version>3.6.0</version>
          <configuration>
            <source>1.8</source>
            <target>1.8</target>
          </configuration>
        </plugin>  
      </plugins>    
  </build>

Ensure that change Java Build shows 1.8. If it does not - click EDIT and select what it should be.

2. Modify web.xml so 3.0 is referenced in version and in the link

3. Ensure you have Java set to 1.8 in Project Facets

4. At this stage I still could not change Dynamic Web Module;

Instead of changing it:

a) uncheck the Dynamic Web Module

b) apply

c) check it again. New version 3.0 should be set.**

After applying and checking it again:

Hope this helps.

To complement the previous stated solution, use:

str = str.replace("%", "%%");

As Herman pointed out, you can get the index and element from each iteration.

{{range $index, $element := .}}{{$index}}
{{range $element}}{{.Value}}
{{end}}
{{end}}

Working example:

package main

import (
    "html/template"
    "os"
)

type EntetiesClass struct {
    Name string
    Value int32
}

// In the template, we use rangeStruct to turn our struct values
// into a slice we can iterate over
var htmlTemplate = `{{range $index, $element := .}}{{$index}}
{{range $element}}{{.Value}}
{{end}}
{{end}}`

func main() {
    data := map[string][]EntetiesClass{
        "Yoga": {{"Yoga", 15}, {"Yoga", 51}},
        "Pilates": {{"Pilates", 3}, {"Pilates", 6}, {"Pilates", 9}},
    }

    t := template.New("t")
    t, err := t.Parse(htmlTemplate)
    if err != nil {
        panic(err)
    }

    err = t.Execute(os.Stdout, data)
    if err != nil {
        panic(err)
    }

}

Output:

Pilates
3
6
9

Yoga
15
51

Playground: http://play.golang.org/p/4ISxcFKG7v

Set it in the JAVA_OPTS variable in [path to tomcat]/bin/catalina.sh. Under windows there is a console where you can set it up or you use the catalina.bat.

JAVA_OPTS=-agentpath:C:\calltracer\jvmti\calltracer5.dll=traceFile-C:\calltracer\call.trace,filterFile-C:\calltracer\filters.txt,outputType-xml,usage-uncontrolled -Djava.library.path=C:\calltracer\jvmti -Dcalltracerlib=calltracer5

You should be careful about using the finally block, as it is not the same thing as using an else block in the try, except. The finally block will be run regardless of the outcome of the try except.

In [10]: dict_ = {"a": 1}

In [11]: try:
   ....:     dict_["b"]
   ....: except KeyError:
   ....:     pass
   ....: finally:
   ....:     print "something"
   ....:     
something

As everyone has noted using the else block causes your code to be more readable, and only runs when an exception is not thrown

In [14]: try:
             dict_["b"]
         except KeyError:
             pass
         else:
             print "something"
   ....:

Try a simple where query

var filtered = unfilteredApps.Where(i => !excludedAppIds.Contains(i.Id)); 

The except method uses equality, your lists contain objects of different types, so none of the items they contain will be equal!

Regexp work on the character base, and \d means a single digit 0...9 and not a decimal number.

A regular expression that matches only integers with a sign could be for example

^[-+]?[0-9]+$

meaning

1. ^ - start of string
2. [-+]? - an optional (this is what ? means) minus or plus sign
3. [0-9]+ - one or more digits (the plus means "one or more" and [0-9] is another way to say \d)
4. $ - end of string

Note: having the sign considered part of the number is ok only if you need to parse just the number. For more general parsers handling expressions it's better to leave the sign out of the number: source streams like 3-2 could otherwise end up being parsed as a sequence of two integers instead of an integer, an operator and another integer. My experience is that negative numbers are better handled by constant folding of the unary negation operator at an higher level.

unset is the command you're looking for.

unset GNUPLOT_DRIVER_DIR

shopList = [] 
maxLengthList = 6
while len(shopList) < maxLengthList:
    item = input("Enter your Item to the List: ")
    shopList.append(item)
    print shopList
print "That's your Shopping List"
print shopList

This particular error implies that one of the variables being used in the arithmetic on the line has a shape incompatible with another on the same line (i.e., both different and non-scalar). Since n and the output of np.add.reduce() are both scalars, this implies that the problem lies with xm and ym, the two of which are simply your x and y inputs minus their respective means.

Based on this, my guess is that your x and y inputs have different shapes from one another, making them incompatible for element-wise multiplication.

** Technically, it's not that variables on the same line have incompatible shapes. The only problem is when two variables being added, multiplied, etc., have incompatible shapes, whether the variables are temporary (e.g., function output) or not. Two variables with different shapes on the same line are fine as long as something else corrects the issue before the mathematical expression is evaluated.

Uttam, if your issue is not solved then try the follwoing 3 step approach. It worked for me as I had exactly same issue.

step1: click on wamp tray icon.

step2: goto menu apache->apache modules

step3: click on menu item "ssl_module"

it will automatically restart wamp. if wamp not restarted automatically then restart it through wamp tray menu-> Restart All services. After restart confirm that "ssl_module" coming as ticked under menu apache->apache modules

after that just attempt the php composer.phar install from going through the response shared by you, php.ini file contains extension=php_openssl.dll and the php/ext directory also have file "php_openssl.dll"

good luck

As an alternative solution to the CASE statement, a table-driven approach can be used:

DECLARE @Product TABLE (ID INT, Obsolete VARCHAR(10), InStock VARCHAR(10))
INSERT INTO @Product VALUES
(1,'N','Y'),
(2,'A','B'),
(3,'N','B'),
(4,'A','Y')

SELECT P.* , ISNULL(Stmt.Saleable,0) Saleable
FROM
    @Product P
    LEFT JOIN
        ( VALUES
            ( 'N', 'Y', 1 )
        ) Stmt (Obsolete, InStock, Saleable)
        ON  P.InStock = Stmt.InStock OR P.Obsolete = Stmt.Obsolete

Result:

ID          Obsolete   InStock    Saleable
----------- ---------- ---------- -----------
1           N          Y          1
2           A          B          0
3           N          B          1
4           A          Y          1

$yourString = "bla blaaa bla blllla bla bla";
$out = "";
if(strlen($yourString) > 22) {
    while(strlen($yourString) > 22) {
        $pos = strrpos($yourString, " ");
        if($pos !== false && $pos <= 22) {
            $out = substr($yourString,0,$pos);
            break;
        } else {
            $yourString = substr($yourString,0,$pos);
            continue;
        }
    }
} else {
    $out = $yourString;
}
echo "Output String: ".$out;

There's only one registered mediatype for SVG, and that's the one you listed, image/svg+xml. You can of course serve SVG as XML too, though browsers tend to behave differently in some scenarios if you do, for example I've seen cases where SVG used in CSS backgrounds fail to display unless served with the image/svg+xml mediatype.

$("#mydiv").css('top', 200);

$("#mydiv").css('left', 200);

If you want IsLoggedIn to be treated as a boolean you should initialize as follows:

var IsLoggedIn=true;

If you initialize it with var IsLoggedIn=1; then it will be treated as an integer.

However at any time the variable IsLoggedIn could refer to a different data type:

 IsLoggedIn="Hello World";

This will not cause an error.

You could also send your testers the apk that is signed with your debug key. You can find that in the bin folder of your project after building in debug mode.

getattr(object, 'x') is completely equivalent to object.x.

There are only two cases where getattr can be useful.

• you can't write object.x, because you don't know in advance which attribute you want (it comes from a string). Very useful for meta-programming.
• you want to provide a default value. object.y will raise an AttributeError if there's no y. But getattr(object, 'y', 5) will return 5.

Just adding in on the subjet of Gitignore. The recommended way only ignores Library and Temp, if its wihtin root of your git project. if you are like me and sometimes need unity project to be a part of the repo, not the whole of the repo, the correct strings in gitignore would be:

**/[Tt]emp
**/[Ll]ibrary
**/[Bb]uild

Personally, I found that, since we maintain a ngRoutes collection (long story) i find the most enjoyment from:

GOTO(ri) {
    this.router.navigate(this.ngRoutes[ri]);
}

I actually use it as part of one of our interview questions. This way, I can get a near-instant read at who's been developing forever by watching who twitches when they run into GOTO(1) for Homepage redirection.

I've had the same problem with you.

cd to ../etc/ then use ls to make sure your "paths" file is in , vim paths, add "/usr/local/bin" at the end of the file.

My way of doing it:

from time import time

def printTime(start):
    end = time()
    duration = end - start
    if duration < 60:
        return "used: " + str(round(duration, 2)) + "s."
    else:
        mins = int(duration / 60)
        secs = round(duration % 60, 2)
        if mins < 60:
            return "used: " + str(mins) + "m " + str(secs) + "s."
        else:
            hours = int(duration / 3600)
            mins = mins % 60
            return "used: " + str(hours) + "h " + str(mins) + "m " + str(secs) + "s."

Set a variable as start = time() before execute the function/loops, and printTime(start) right after the block.

and you got the answer.

I'm using workaround for this:

class MyClass extends Foo<T> {
....
}

MyClass myClassInstance = MyClass.class.newInstance();

Threads share the code and data segments and the heap, but they don't share the stack.

Try this (I'm using SASS):

.carousel {
  max-height: 700px;
  overflow: hidden;

  .item img {
    width: 100%;
    height: auto;
  }
}

You can wrap the .carousel into a .container if you wish.

Actually, if you try to use function "children" it will not be succesfull because it's possible to the table has a first child like 'th'. So you have to use function 'find' instead.

Wrong way:

var $row = $(this).closest('table').children('tr:first');

Correct way:

 var $row = $(this).closest('table').find('tr:first');

This works best

Screenshot

SELECT RollId, count(*) AS c 
    FROM `tblstudents` 
    GROUP BY RollId 
    HAVING c > 1 
    ORDER BY c DESC

I want to produce a complementary answer of nacho-soriano's solution ...

I recently search to solve a problem where a Java written application (a Talend ELT job in fact) want to connect to an Oracle database (11g and over) then randomly fail. OS is both RedHat Enterprise and CentOS. Job run very quily in time (no more than half a minute) and occur very often (approximately one run each 5 minutes).

Some times, during night-time as work-time, during database intensive-work usage as lazy work usage, in just a word randomly, connection fail with this message:

Exception in component tOracleConnection_1
java.sql.SQLRecoverableException: Io exception: Connection reset
        at oracle.jdbc.driver.SQLStateMapping.newSQLException(SQLStateMapping.java:101)
        at oracle.jdbc.driver.DatabaseError.newSQLException(DatabaseError.java:112)
        at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:173)
        at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:229)
        at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:458)
        at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:411)
        at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:490)
        at oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:202)
        at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:33)
        at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:465)
        at java.sql.DriverManager.getConnection(DriverManager.java:664)
        at java.sql.DriverManager.getConnection(DriverManager.java:208)
    and StackTrace follow ...

Problem explanation:

As detailed here

Oracle connection needs some random numbers to assume a good level of security. Linux random number generator produce some numbers bases keyboard and mouse activity (among others) and place them in a stack. You will grant me, on a server, there is not a big amount of such activity. So it can occur that softwares use more random number than generator can produce.

When the pool is empty, reads from /dev/random will block until additional environmental noise is gathered. And Oracle connection fall in timeout (60 seconds by default).

Solution 1 - Specific for one app solution

The solution is to give add two parameters given to the JVM while starting:

-Djava.security.egd=file:/dev/./urandom
-Dsecurerandom.source=file:/dev/./urandom

Note: the '/./' is important, do not drop it !

So the launch command line could be:

java -Djava.security.egd=file:/dev/./urandom -Dsecurerandom.source=file:/dev/./urandom -cp <classpath directives> appMainClass <app options and parameters>

One drawback of this solution is that numbers generated are a little less secure as randomness is impacted. If you don't work in a military or secret related industry this solution can be your.

Solution 2 - General Java JVM solution

As explained here

Both directives given in solution 1 can be put in Java security setting file.

Take a look at $JAVA_HOME/jre/lib/security/java.security

Change the line

securerandom.source=file:/dev/random

to

securerandom.source=file:/dev/urandom

Change is effective immediately for new running applications.

As for solution #1, one drawback of this solution is that numbers generated are a little less secure as randomness is impacted. This time, it's a global JVM impact. As for solution #1, if you don't work in a military or secret related industry this solution can be your.

We ideally should use "file:/dev/./urandom" after Java 5 as previous path will again point to /dev/random.

Reported Bug : https://bugs.openjdk.java.net/browse/JDK-6202721

Solution 3 - Hardware solution

Disclamer: I'm not linked to any of hardware vendor or product ...

If your need is to reach a high quality randomness level, you can replace your Linux random number generator software by a piece of hardware.

Some information are available here.

Regards

Thomas

The ASCII bell character might be what you are looking for. Number 7 in this table.

Sounds like you're calling sp_executesql with a VARCHAR statement, when it needs to be NVARCHAR.

e.g. This will give the error because @SQL needs to be NVARCHAR

DECLARE @SQL VARCHAR(100)
SET @SQL = 'SELECT TOP 1 * FROM sys.tables'
EXECUTE sp_executesql @SQL

So:

DECLARE @SQL NVARCHAR(100)
SET @SQL = 'SELECT TOP 1 * FROM sys.tables'
EXECUTE sp_executesql @SQL

I found a lot of responses dealing with arrays but not with a json object. My solution was simply to iterate through the object once while incrementing a counter and then when iterating through the object to perform your code you can increment a second counter. Then you simply compare the two counters together and get your solution. I know it's a little clunky but I haven't found a more elegant solution so far. This is my example code:

var flag1 = flag2 = 0;

$.each( object, function ( i, v ) { flag1++; });

$.each( object, function ( ky, val ) {

     /*
        Your code here
     */
     flag2++;
});

if(flag1 === flag2) {
   your function to call at the end of the iteration
}

Like I said, it's not the most elegant, but it works and it works well and I haven't found a better solution just yet.

Cheers, JP

If you decide to use ggplot2, you can set transparency of overlapping points using the alpha argument.

e.g.

library(ggplot2)
ggplot(diamonds, aes(carat, price)) + geom_point(alpha = 1/40)

var mouseX;
var mouseY;
$(document).mousemove( function(e) {
   mouseX = e.pageX; 
   mouseY = e.pageY;
});  
$(".classForHoverEffect").mouseover(function(){
  $('#DivToShow').css({'top':mouseY,'left':mouseX}).fadeIn('slow');
});

the function above will make the DIV appear over the link wherever that may be on the page. It will fade in slowly when the link is hovered. You could also use .hover() instead. From there the DIV will stay, so if you would like the DIV to disappear when the mouse moves away, then,

$(".classForHoverEffect").mouseout(function(){
  $('#DivToShow').fadeOut('slow');
});

If you DIV is already positioned, you can simply use

$('.classForHoverEffect').hover(function(){
  $('#DivToShow').fadeIn('slow');
});

Also, keep in mind, your DIV style needs to be set to display:none; in order for it to fadeIn or show.

You can use the update() method as well

d = {"a": 2}
d.update{"b": 4}
print(d) # {"a": 2, "b": 4}

$objPHPExcel
    ->getActiveSheet()
    ->getStyle('A1')
    ->getFill()
    ->getStartColor()
    ->getRGB();

If the subfolder names may contain spaces you need to surround them in escaped quotes. The following example shows this for commands used in a batch file.

set targetdir=c:\example
del /q %targetdir%\*
for /d %%x in (%targetdir%\*) do @rd /s /q ^"%%x^"

Alternatively to the answer marked as correct, if you have to replace words instead of chars you can do it with this piece of code :

$query = "INSERT INTO my_table VALUES (?, ?, ?, ?);";
$values = Array("apple", "oranges", "mangos", "papayas");
foreach (array_fill(0, count($values), '?') as $key => $wildcard) {
    $query = substr_replace($query, '"'.$values[$key].'"', strpos($query, $wildcard), strlen($wildcard));
}
echo $query;

Demo here : http://sandbox.onlinephpfunctions.com/code/56de88aef7eece3d199d57a863974b84a7224fd7

you may check this website: Phonegap RSS feeds, Javascript, this is an example about rss reader which uses the phonegap and jquery-mobile techniques

I just want to say guys:

Only Play With Margin

It is a lot easier to add space between <li> if you play with margin.

The difference between gcc and g++ are:

     gcc            |        g++
compiles c source   |   compiles c++ source

use g++ instead of gcc to compile you c++ source.

How about statusid = statusid. Null is never equal to null.

it's well documented here:

https://cwiki.apache.org/confluence/display/TOMCAT/Connectors#Connectors-Q6

How do I bind to a specific ip address? - "Each Connector element allows an address property. See the HTTP Connector docs or the AJP Connector docs". And HTTP Connectors docs:

http://tomcat.apache.org/tomcat-7.0-doc/config/http.html

Standard Implementation -> address

"For servers with more than one IP address, this attribute specifies which address will be used for listening on the specified port. By default, this port will be used on all IP addresses associated with the server."

When using WebAPI, you should just return the Object rather than specifically returning Json, as the API will either return JSON or XML depending on the request.

I am not sure why your WebAPI is returning an ActionResult, but I would change the code to something like;

public IEnumerable<ListItems> GetAllNotificationSettings()
{
    var result = new List<ListItems>();
    // Filling the list with data here...

    // Then I return the list
    return result;
}

This will result in JSON if you are calling it from some AJAX code.

P.S WebAPI is supposed to be RESTful, so your Controller should be called ListItemController and your Method should just be called Get. But that is for another day.

if you're not using the -> format, you can do this:

$a = "SQL command...";
if ($b = mysqli_query($con,$a)) {
  // results was successful
} else {
  // result was not successful
}

Arrays are fixed in size, you cannot resize them after creating them. You can remove an existing item by setting it to null:

objects[4] = null;

But you won't be able to delete that entire slot off the array and reduce its size by 1.

If you need a dynamically-sized array, you can use an ArrayList. With it, you can add() and remove() objects, and it will grow and shrink as needed.

Many in the community would prefer no limit with warnings about performance, see this comment for a well reasoned argument: https://jira.mongodb.org/browse/SERVER-431?focusedCommentId=22283&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-22283

My take, the lead developers are stubborn about this issue because they decided it was an important "feature" early on. They're not going to change it anytime soon because their feelings are hurt that anyone questioned it. Another example of personality and politics detracting from a product in open source communities but this is not really a crippling issue.

Yes, I was late, but I can add for Assemble users: you can use buil-in "parseJSON" helper http://assemble.io/helpers/helpers-data.html. (Discovered in https://github.com/assemble/assemble/issues/416).

Or, using Java8:

Object firstElement = set.stream().findFirst().get();

And then you can do stuff with it straight away:

set.stream().findFirst().ifPresent(<doStuffHere>);

Or, if you want to provide an alternative in case the element is missing (my example returns new default string):

set.stream().findFirst().orElse("Empty string");

You can even throw an exception if the first element is missing:

set.stream().findFirst().orElseThrow(() -> new MyElementMissingException("Ah, blip, nothing here!"));

Kudos to Alex Vulaj for prompting me to provide more examples beyond the initial grabbing of the first element.

dict(zip([1,2,3,4], [a,b,c,d]))

If the lists are big you should use itertools.izip.

If you have more keys than values, and you want to fill in values for the extra keys, you can use itertools.izip_longest.

Here, a, b, c, and d are variables -- it will work fine (so long as they are defined), but you probably meant ['a','b','c','d'] if you want them as strings.

zip takes the first item from each iterable and makes a tuple, then the second item from each, etc. etc.

dict can take an iterable of iterables, where each inner iterable has two items -- it then uses the first as the key and the second as the value for each item.

"You should always use GridFS for storing files larger than 16MB" - When should I use GridFS?

MongoDB BSON documents are capped at 16 MB. So if the total size of your array of files is less than that, you may store them directly in your document using the BinData data type.

Videos, images, PDFs, spreadsheets, etc. - it doesn't matter, they are all treated the same. It's up to your application to return an appropriate content type header to display them.

Check out the GridFS documentation for more details.

//If the table has tbody and thead, make them the relative container in which we can fix td and th as absolute

table tbody {
    position: relative;
}

table thead {
    position: relative;
}

//Make both the first header and first data cells (First column) absolute so that it sticks to the left

table td:first-of-type {
    position: absolute;
}

table th:first-of-type {
    position: absolute;
}

//Move Second column according to the width of column 1 

table td:nth-of-type(2) {
    padding-left: <Width of column 1>;
}

table th:nth-of-type(2) {
    padding-left: <Width of column 1>;
}

Keyword parameters allow you to pass variables from one function to another. In this way you can use the key of a dictionary as a variable name (which can be populated in your while loop). The dictionary name just needs to be preceded by ** when it is called.

# create a dictionary
>>> kwargs = {}
# add a key of name and assign it a value, later we'll use this key as a variable
>>> kwargs['name'] = 'python'

# an example function to use the variable
>>> def print_name(name):
...   print name

# call the example function
>>> print_name(**kwargs)
python

Without **, kwargs is just a dictionary:

>>> print_name(kwargs)
{'name': 'python'}

To achieve that, I suggest you to use AngularJS Environment Plugin: https://www.npmjs.com/package/angular-environment

Here's an example:

angular.module('yourApp', ['environment']).
config(function(envServiceProvider) {
    // set the domains and variables for each environment 
    envServiceProvider.config({
        domains: {
            development: ['localhost', 'dev.local'],
            production: ['acme.com', 'acme.net', 'acme.org']
            // anotherStage: ['domain1', 'domain2'], 
            // anotherStage: ['domain1', 'domain2'] 
        },
        vars: {
            development: {
                apiUrl: '//localhost/api',
                staticUrl: '//localhost/static'
                // antoherCustomVar: 'lorem', 
                // antoherCustomVar: 'ipsum' 
            },
            production: {
                apiUrl: '//api.acme.com/v2',
                staticUrl: '//static.acme.com'
                // antoherCustomVar: 'lorem', 
                // antoherCustomVar: 'ipsum' 
            }
            // anotherStage: { 
            //  customVar: 'lorem', 
            //  customVar: 'ipsum' 
            // } 
        }
    });

    // run the environment check, so the comprobation is made 
    // before controllers and services are built 
    envServiceProvider.check();
});

And then, you can call the variables from your controllers such as this:

envService.read('apiUrl');

Hope it helps.

I had NestedScrollView inside ConstraintLayout, and this NestedScrollView has one ConstraintLayout.

If you're facing issue with NestedScrollView,

add android:fillViewport="true" to NestedScrollView, worked.

My remote sql server was expecting connection at a different port and not on the default 1443.

The solution was to add a "," after your sql server IP and then add your port like so 129.0.0.1,2995 (Check the " , " after server IP)

Please find the image for reference below.

/media directory under project root

Settings.py

BASE_DIR = os.path.dirname(os.path.dirname(__file__))
MEDIA_URL = '/media/'
MEDIA_ROOT = os.path.join(BASE_DIR, 'media')

urls.py

    urlpatterns += patterns('django.views.static',(r'^media/(?P<path>.*)','serve',{'document_root':settings.MEDIA_ROOT}), )

template

<img src="{{MEDIA_URL}}/image.png" > 

It would be something like:

document.getElementById("username").value="Username";
document.forms[0].submit()

Or similar edit: you guys are too fast ;)

Given the Class loader sussystem actions:

This is an article that helped me a lot to understand the difference: http://docs.oracle.com/javase/specs/jvms/se7/html/jvms-5.html

If an error occurs during class loading, then an instance of a subclass of LinkageError must be thrown at a point in the program that (directly or indirectly) uses the class or interface being loaded.

If the Java Virtual Machine ever attempts to load a class C during verification (§5.4.1) or resolution (§5.4.3) (but not initialization (§5.5)), and the class loader that is used to initiate loading of C throws an instance of ClassNotFoundException, then the Java Virtual Machine must throw an instance of NoClassDefFoundError whose cause is the instance of ClassNotFoundException.

So a ClassNotFoundException is a root cause of NoClassDefFoundError.
And a NoClassDefFoundError is a special case of type loading error, that occurs at Linking step.

Heres a solution [without javascript initialization!]

I couldn't find an example without initializing your modal with javascript, $('#myModal').modal('show'), so heres a suggestion on how you could implement it without javascript delay on page load.

1. Edit your modal container div with class and style:

<div class="modal in" id="MyModal" tabindex="-1" role="dialog" style="display: block; padding-right: 17px;">

2. Edit your body with class and style:

   <body class="modal-open" style="padding-right:17px;">

3. Add modal-backdrop div

   <div class="modal-backdrop in"></div>

4. Add script

   $(document).ready(function() {
       $('body').css('padding-right', '0px');
       $('body').removeClass('modal-open');
       $('.modal-backdrop').remove();
   
       $('#MyModal').modal('show'); });
   

   What will happen is that the html for your modal will be loaded on page load without any javascript, (no delay). At this point you can't close the modal, so that is why we have the document.ready script, to load the modal properly when everything is loaded. We will actually remove the custom code and then initialize the modal, (again), with the .modal('show').

This can be done with only a few lines of jQuery:

$(function(){
    // make sure img is hidden - fade in
    $('img').hide().fadeIn(2000);

    // after 5 second timeout - fade out
    setTimeout(function(){$('img').fadeOut(2000);}, 5000);
});?

see the fiddle below for a working example...

http://jsfiddle.net/eNxuJ/78/

If you have a remote configured and you have / don't care about losing some unpushed code, you can do :

git fetch && git reset --hard

The error TypeError: 'numpy.ndarray' object is not callable means that you tried to call a numpy array as a function. We can reproduce the error like so in the repl:

In [16]: import numpy as np

In [17]: np.array([1,2,3])()
---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)
/home/user/<ipython-input-17-1abf8f3c8162> in <module>()
----> 1 np.array([1,2,3])()

TypeError: 'numpy.ndarray' object is not callable

If we are to assume that the error is indeed coming from the snippet of code that you posted (something that you should check,) then you must have reassigned either pd.rolling_mean or pd.rolling_std to a numpy array earlier in your code.

What I mean is something like this:

In [1]: import numpy as np

In [2]: import pandas as pd

In [3]: pd.rolling_mean(np.array([1,2,3]), 20, min_periods=5) # Works
Out[3]: array([ nan,  nan,  nan])

In [4]: pd.rolling_mean = np.array([1,2,3])

In [5]: pd.rolling_mean(np.array([1,2,3]), 20, min_periods=5) # Doesn't work anymore...
---------------------------------------------------------------------------
TypeError                                 Traceback (most recent call last)
/home/user/<ipython-input-5-f528129299b9> in <module>()
----> 1 pd.rolling_mean(np.array([1,2,3]), 20, min_periods=5) # Doesn't work anymore...

TypeError: 'numpy.ndarray' object is not callable

So, basically you need to search the rest of your codebase for pd.rolling_mean = ... and/or pd.rolling_std = ... to see where you may have overwritten them.

You can use window.scrollTo(), like this:

window.scrollTo(0, 0); // values are x,y-offset

Try Wireshark:

Wireshark is the world's foremost network protocol analyzer, and is the de facto (and often de jure) standard across many industries and educational institutions.

There is a bit of a learning curve but it is far and away the best tool available.

For me it was IE 9.08.8112.16241. As soon as I used Firefox or Chrome there was no sluggish debugging with F10 or F11. I do not know what the problem with IE is but I officially despise using it for testing now.

Update: I have turned off all IE program add-ons and it is back to full speed. Turning them on one at a time revealed that LastPass (in my case) was the culprit. I guess I do not get to blame MS after all.

Several years into the future...
If you are using Brave you can easily access your extensions and turn them off one at a time (or several) while debugging.

brave://extensions

Just click the toggle slider. Notice that all of mine are on except for DuckDuckGo Privacy essentials. They are not removed, just temporarily disabled.

Well... its quite simple to get a SQL min date

DateTime sqlMinDateAsNetDateTime = System.Data.SqlTypes.SqlDateTime.MinValue.Value;

In case anyone is still looking for Helvetica Neue Condensed Bold, you essentially have two options.

1. fonts.com: License the real font as a webfont from fonts.com. Free (with a badge), $10/month for 250k pageviews and $100/month for 2.5M pageviews. You can download the font to your desktop with the most expensive plan (but if you're on a Mac you already have it).
2. myfonts.com / fontspring.com: Buy a pretty close alternative like Nimbus Sans Novus D from MyFont ($160 for unlimited pageviews), or Franklin Gothic FS Demi Condensed, from fontspring.com (about $21.95, flat one time fee with unlimited pageviews). In both cases you also get to download the font for your desktop so you can use it in Photoshop for comps.

A very cheap compromise is to buy Franklin from fontspring and then use "HelveticaNeue-CondensedBold" as the preferred font in your CSS.

h2 {"HelveticaNeue-CondensedBold", "FranklinGothicFSDemiCondensed", Arial, sans-serif;}

Then if a Mac user loads your site they see Helvetica Neue, but if they're on another platform they see Franklin.

UPDATE: I discovered a much closer match to Helvetica Neue Condensed Bold is Nimbus Sans Novus D Condensed bold. In fact, it is also derived from Helvetica. You can get it at MyFonts.com for $20 (desktop) and $20 (web, 10k pageviews). Web with unlimited pageviews is $160. I have used this font throughout (i.e. NOT exploiting the Mac's built in "NimbusSansNovusDBoldCondensed" at all) because it leads to a design that is more uniform across browsers. Built in HN and Nimbus Sans are very similar in all respects but point size. Nimbus needs a few extra points to get an identical size match.

Assuming that Windows doesn't really know how to deal with TTC files (which I honestly find strange), you can "split" the combined fonts in an easy way if you use fontforge.

The steps are:

1. Download the file.
2. Unzip it (e.g., unzip "STHeiti Medium.ttc.zip").
3. Load Fontforge.
4. Open it with Fontforge (e.g., File > Open).
5. Fontforge will tell you that there are two fonts "packed" in this particular TTC file (at least as of 2014-01-29) and ask you to choose one.
6. After the font is loaded (it may take a while, as this font is very large), you can ask Fontforge to generate the TTF file via the menu File > Generate Fonts....

Repeat the steps of loading 4--6 for the other font and you will have your TTFs readily usable for you.

Note that I emphasized generating instead of saving above: saving the font will create a file in Fontforge's specific SFD format, which is probably useless to you, unless you want to develop fonts with Fontforge.

If you want to have a more programmatic/automatic way of manipulating fonts, then you might be interested in my answer to a similar (but not exactly the same) question.

Addenda

Further comments: One reason why some people may be interested in performing the splitting mentioned above (or using a font converter after all) is to convert the fonts to web formats (like WOFF). That's great, but be careful to see if the license of the fonts that you are splitting/converting allows such wide redistribution.

Of course, for Free ("as in Freedom") fonts, you don't need to worry (and one of the most prominent licenses of such fonts is the OFL).

To solve the problem of:

E: Unable to locate package python-pip

you should do this. This works with the python2.7 and you not going to get disappointed by it. follow the steps that are mention below. go to get-pip.py and copy all the code from it.
open the terminal using CTRL + ALT +T

vi get-pip.py

paste the copied code here and then exit from the vi editor by pressing

ESC then :wq => press Enter

lastly, now run the code and see the magic

sudo python get-pip.py

It automatically adds the pip command in your Linux.
you can see the output of my machine

Paul Irish's approach to IE specific CSS is the most elegant I've seen. It uses conditional statements to add classes to the HTML element, which can then be used to apply appropriate IE version specific CSS without resorting to hacks. The CSS validates, and it will continue to work down the line for future browser versions.

The full details of the approach can be seen on his site.

This doesn't cover browser specific hacks for Mozilla and Chrome... but I don't really find I need those anyway.

In Bootstrap 3

You can simply create a custom style:

.form-control-inline {
    min-width: 0;
    width: auto;
    display: inline;
}

Then add it to form controls like so:

<div class="controls">
    <select id="expirymonth" class="form-control form-control-inline">
        <option value="01">01 - January</option>
        <option value="02">02 - February</option>
        <option value="03">03 - March</option>
        <option value="12">12 - December</option>
    </select>
    <select id="expiryyear" class="form-control form-control-inline">
        <option value="2014">2014</option>
        <option value="2015">2015</option>
        <option value="2016">2016</option>
    </select>
</div>

This way you don't have to put extra markup for layout in your HTML.

I found the path and wrote it in the options

Use the Date.prototype.setFullYear method to set the year to what you want it to be.

For example:

var aYearFromNow = new Date();
aYearFromNow.setFullYear(aYearFromNow.getFullYear() + 1);

There really isn't another way to work with dates in JavaScript if these methods aren't present in the environment you are working with.

Remove the date() part

SELECT name, datum 
FROM tasks 
WHERE datum >= NOW()

and if you use a specific date, don't forget the quotes around it and use the proper format with :

SELECT name, datum 
FROM tasks 
WHERE datum >= '2014-05-18 15:00:00'

Here are some ways to change Navigation Bar color.

By the XML

1- values-v21/style.xml

<item name="android:navigationBarColor">@color/navigationbar_color</item>

Or if you want to do it only using the values/ folder then-

2- values/style.xml

<resources xmlns:tools="http://schemas.android.com/tools">

<item name="android:navigationBarColor" tools:targetApi="21">@color/navigationbar_color</item>

You can also change navigation bar color By Programming.

 if (Build.VERSION.SDK_INT >= 21)
    getWindow().setNavigationBarColor(getResources().getColor(R.color.navigationbar_color));

By Using Compat Library-

if (Build.VERSION.SDK_INT >= 21) {
    getWindow().setNavigationBarColor(ContextCompat.getColor(this, R.color.primary));
}

please find the link for more details- http://developer.android.com/reference/android/view/Window.html#setNavigationBarColor(int)

The activity's main window will not resize to make room for the soft keyboard. Rather, the contents of the window will be automatically panned so that the current focus is never obscured by the keyboard and users can always see what they are typing.

android:windowSoftInputMode="adjustPan"

This might be a better solution for what you desired.

I think people have put too much weight into the application logic versus protocol matter. The important thing is that the response should make sense. What if you have an API that serves a dynamic resource and a request is made for X which is derived from template Y with data Z and either Y or Z isn't currently available? Is that a business logic error or a technical error? The correct answer is, "who cares?"

Your API and your responses need to be intelligible and consistent. It should conform to some kind of spec, and that spec should define what a valid response is. Something that conforms to a valid response should yield a 200 code. Something that does not conform to a valid response should yield a 4xx or 5xx code indicative of why a valid response couldn't be generated.

If your spec's definition of a valid response permits { "error": "invalid ID" }, then it's a successful response. If your spec doesn't make that accommodation, it would be a poor decision to return that response with a 200 code.

I'd draw an analogy to calling a function parseFoo. What happens when you call parseFoo("invalid data")? Does it return an error result (maybe null)? Or does it throw an exception? Many will take a near-religious position on whether one approach or the other is correct, but ultimately it's up to the API specification.

"The status-code element is a three-digit integer code giving the result of the attempt to understand and satisfy the request"

Obviously there's a difference of opinion with regards to whether "successfully returning an error" constitutes an HTTP success or error. I see different people interpreting the same specs different ways. So pick a side, sure, but also accept that either way the whole world isn't going to agree with you. Me? I find myself somewhere in the middle, but I'll offer some commonsense considerations.

1. If your server-side code catches an unexpected exception when dispatching a request, that sounds like the very definition of a 500 Internal Server Error. This seems to be OP's situation. The application should not return a 200 for unexpected errors, but also see point 3.
2. If your server-side code should be able to gracefully handle a given invalid input, and it doesn't constitute an "exceptional" error condition, your spec should accommodate HTTP 200 responses that provide meaningful diagnostic information.
3. Above all: Have a spec. Make it consistent. Stick to it.

In OP's situation, it sounds like you have a de-facto standard that unhandled exceptions yield a 200 with a distinguishable response body. It's not ideal, but if it's not breaking things and actively causing problems, you probably have bigger, more important problems to solve.

What problems are we trying to solve?

There are two important considerations when floating stuff:

1. Containing descendant floats. This means that the element in question makes itself tall enough to wrap all floating descendants. (They don't hang outside.)

   

2. Insulating descendants from outside floats. This means that descendants inside of an element should be able to use clear: both and have it not interact with floats outside the element.

   

Block formatting contexts

There's only one way to do both of these. And that is to establish a new block formatting context. Elements that establish a block formatting context are an insulated rectangle in which floats interact with each other. A block formatting context will always be tall enough to visually wrap its floating descendants, and no floats outside of a block formatting context may interact with elements inside. This two-way insulation is exactly what you want. In IE, this same concept is called hasLayout, which can be set via zoom: 1.

There are several ways to establish a block formatting context, but the solution I recommend is display: inline-block with width: 100%. (Of course, there are the usual caveats with using width: 100%, so use box-sizing: border-box or put padding, margin, and border on a different element.)

The most robust solution

Probably the most common application of floats is the two-column layout. (Can be extended to three columns.)

First the markup structure.

<div class="container">
  <div class="sidebar">
    sidebar<br/>sidebar<br/>sidebar
  </div>
  <div class="main">
    <div class="main-content">
      main content
      <span style="clear: both">
        main content that uses <code>clear: both</code>
      </span>
    </div>
  </div>
</div>

And now the CSS.

/* Should contain all floated and non-floated content, so it needs to
 * establish a new block formatting context without using overflow: hidden.
 */
.container {
  display: inline-block;
  width: 100%;
  zoom: 1; /* new block formatting context via hasLayout for IE 6/7 */
}

/* Fixed-width floated sidebar. */
.sidebar {
  float: left;
  width: 160px;
}

/* Needs to make space for the sidebar. */
.main {
  margin-left: 160px;
}

/* Establishes a new block formatting context to insulate descendants from
 * the floating sidebar. */
.main-content {
  display: inline-block;
  width: 100%;
  zoom: 1; /* new block formatting context via hasLayout for IE 6/7 */
}

Try it yourself

Go to JS Bin to play around with the code and see how this solution is built from the ground up.

Traditional clearfix methods considered harmful

The problem with the traditional clearfix solutions is that they use two different rendering concepts to achieve the same goal for IE and everyone else. In IE they use hasLayout to establish a new block formatting context, but for everyone else they use generated boxes (:after) with clear: both, which does not establish a new block formatting context. This means things won't behave the same in all situations. For an explanation of why this is bad, see Everything you Know about Clearfix is Wrong.

To extract joebloggs from this string in bash using parameter expansion without any extra processes...

MYVAR="/var/cpanel/users/joebloggs:DNS9=domain.com" 

NAME=${MYVAR%:*}  # retain the part before the colon
NAME=${NAME##*/}  # retain the part after the last slash
echo $NAME

Doesn't depend on joebloggs being at a particular depth in the path.

Summary

An overview of a few parameter expansion modes, for reference...

${MYVAR#pattern}     # delete shortest match of pattern from the beginning
${MYVAR##pattern}    # delete longest match of pattern from the beginning
${MYVAR%pattern}     # delete shortest match of pattern from the end
${MYVAR%%pattern}    # delete longest match of pattern from the end

So # means match from the beginning (think of a comment line) and % means from the end. One instance means shortest and two instances means longest.

You can get substrings based on position using numbers:

${MYVAR:3}   # Remove the first three chars (leaving 4..end)
${MYVAR::3}  # Return the first three characters
${MYVAR:3:5} # The next five characters after removing the first 3 (chars 4-9)

You can also replace particular strings or patterns using:

${MYVAR/search/replace}

The pattern is in the same format as file-name matching, so * (any characters) is common, often followed by a particular symbol like / or .

Examples:

Given a variable like

MYVAR="users/joebloggs/domain.com" 

Remove the path leaving file name (all characters up to a slash):

echo ${MYVAR##*/}
domain.com

Remove the file name, leaving the path (delete shortest match after last /):

echo ${MYVAR%/*}
users/joebloggs

Get just the file extension (remove all before last period):

echo ${MYVAR##*.}
com

NOTE: To do two operations, you can't combine them, but have to assign to an intermediate variable. So to get the file name without path or extension:

NAME=${MYVAR##*/}      # remove part before last slash
echo ${NAME%.*}        # from the new var remove the part after the last period
domain

Pattern p = Pattern.compile("[0-9]+");
Matcher m = p.matcher(myString);
while (m.find()) {
    int n = Integer.parseInt(m.group());
    // append n to list
}
// convert list to array, etc

You can actually replace [0-9] with \d, but that involves double backslash escaping, which makes it harder to read.

To default-initialize an array of Ts, T must be default constructible. Normally the compiler gives you a default constructor for free. However, since you declared a constructor yourself, the compiler does not generate a default constructor.

Your options:

• add a default constructor to name, if that makes sense (I don't think so, but I don't know the problem domain);

• initialize all the elements of the array upon declaration (you can do this because name is an aggregate);

    name someName[4] = { { "Arthur", "Dent" },
                         { "Ford", "Prefect" },
                         { "Tricia", "McMillan" },
                         { "Zaphod", "Beeblebrox" }
                       };
  

• use a std::vector instead, and only add element when you have them constructed.

You need Three Tools to decompile an APK file.

1. Dex2jar - Tools to work with android .dex and java .class files

2. ApkTool - A tool for reverse engineering Android apk files

3. JD-GUI - Java Decompiler is a tools to decompile and analyze Java 5 “byte code” and the later versions.

for more how-to-use-dextojar. Hope this will help You and all! :)

On click it can be done using below code

$('.dropdown-toggle').click(function() {
  $(this).next('.dropdown-menu').slideToggle(500);
});

Most likely the socket is held by some process. Use netstat -o to find which one.

The %d conversion specifier will only convert one decimal integer. It doesn't know that you're passing an array, it can't modify its behavior based on that. The conversion specifier specifies the conversion.

There is no specifier for arrays, you have to do it explicitly. Here's an example with four conversions:

if(scanf("%d %d %d %d", &array[0], &array[1], &array[2], &array[3]) == 4)
  printf("got four numbers\n");

Note that this requires whitespace between the input numbers.

If the id is a single 11-digit number, it's best to treat as a string:

char id[12];

if(scanf("%11s", id) == 1)
{
  /* inspect the *character* in id[0], compare with '1' or '2' for instance. */
}

Try the following:

for i = 1:4
    result = strcat('f',int2str(i));
end

If you use this for naming several files that your code generates, you are able to concatenate more parts to the name. For example, with the extension at the end and address at the beginning:

filename = strcat('c:\...\name',int2str(i),'.png'); 

parseDouble returns a primitive double containing the value of the string:

Returns a new double initialized to the value represented by the specified String, as performed by the valueOf method of class Double.

valueOf returns a Double instance, if already cached, you'll get the same cached instance.

Returns a Double instance representing the specified double value. If a new Double instance is not required, this method should generally be used in preference to the constructor Double(double), as this method is likely to yield significantly better space and time performance by caching frequently requested values.

To avoid the overhead of creating a new Double object instance, you should normally use valueOf

\d matches any single digit in most regex grammar styles, including python. Regex Reference

Create a linked server to your document

http://www.excel-sql-server.com/excel-import-to-sql-server-using-linked-servers.htm

Then use ordinary INSERT or SELECT INTO. If you want to get fancy, you can use ADO.NET's SqlBulkCopy, which takes just about any data source that you can get a DataReader from and is pretty quick on insert, although the reading of the data won't be esp fast.

You could also take the time to transform an excel spreadsheet into a text delimited file or other bcp supported format and then use BCP.

I was using SQLTool where I was getting oci.dll was not found then I downloaded instantclient-basic-nt-12.2.0.1.0 extracted it and added the folder till oci.dll file in path variable

eg.: Path: .;D:\Softwares\Oracle Instant Client\instantclient_12_2

It resolve my issue, now I am able to open the SQLTool

Use sub query e.g:

SELECT field1,field2,(SELECT distinct field3 FROM tbl2 WHERE criteria) AS field3
FROM tbl1 GROUP BY field1,field2

OR

SELECT DISTINCT field1,field2,(SELECT distinct field3 FROM tbl2 WHERE criteria) AS field3
FROM tbl1

I was looking for a similar thing. My problem was to find the last column based on row 5 and then select 3 columns before including the last column.

Dim lColumn As Long

lColumn = ActiveSheet.Cells(5,Columns.Count).End(xlToLeft).Column
MsgBox ("The last used column is: " & lColumn)
Range(Columns(lColumn - 3), Columns(lColumn)).Select

Message box is optional as it is more of a control check. If you want to select the columns after the last column then you simply reverse the range selection

Dim lColumn As Long

lColumn = ActiveSheet.Cells(5,Columns.Count).End(xlToLeft).Column
MsgBox ("The last used column is: " & lColumn)
Range(Columns(lColumn), Columns(lColumn + 3)).Select

It sounds like your site has CSS or JS that depends on running in quirks mode. Which is why you need garbage above your doctype to render "correctly". I suggest removing said garbage and then fixing your CSS+JS to actually work in standards mode; you'll save yourself a lot of pain in the long run.

If you're not wanting to save changes set savechanges to false

    Sub CloseBook2()
        ActiveWorkbook.Close savechanges:=False
    End Sub

for more examples, http://support.microsoft.com/kb/213428 and i believe in the past I've just used

    ActiveWorkbook.Close False

@FindBy(xpath = "//span[@class='y2' and contains(text(), 'Your Text')] ") 
private WebElementFacade emailLinkToVerifyAccount;

This approach will work for you, hopefully.

If AJAX isn't an option you can use nested data structures to simplify.

<?php
$var = array(
    'qwe' => 'asd',
    'asd' => array(
        1 => 2,
        3 => 4,
    ),
    'zxc' => 0,
);
?>
<script>var data = <?php echo json_encode($var); ?>;</script>

Happen to have a task on pivot. Below works for me as tested just now on 11g:

select * from
(
  select ID, COUNTRY_NAME, TOTAL_COUNT from ONE_TABLE 
) 
pivot(
  SUM(TOTAL_COUNT) for COUNTRY_NAME in (
    'Canada', 'USA', 'Mexico'
  )
);

Thanks to the previous commenters I found all the following worked for me:

Either adding an onclick stub to the element

onclick="void(0);" 

or user a cursor pointer style

style="cursor:pointer;"

or as in my existing code my jquery code needed tap added

$(document).on('click tap','.ciAddLike',function(event)
{
    alert('like added!'); // stopped working in ios safari until tap added
});

I am adding a cross-reference back to the Apple Docs for those interested. See Apple Docs:Making Events Clickable

(I'm not sure exactly when my hybrid app stopped processing clicks but I seem to remember they worked iOS 7 and earlier.)

As explained above the real question being asked here is how to enable core dumps on a system where they are not enabled. That question is answered here.

If you've come here hoping to learn how to generate a core dump for a hung process, the answer is

gcore <pid>

if gcore is not available on your system then

kill -ABRT <pid>

Don't use kill -SEGV as that will often invoke a signal handler making it harder to diagnose the stuck process

int is a primitive type, you can read what does mean a primitive type in java here, and a Map is an interface that has to objects as input:

public interface Map<K extends Object, V extends Object>

object means a class, and it means also that you can create an other class that exends from it, but you can not create a class that exends from int. So you can not use int variable as an object. I have tow solutions for your problem:

Map<String, Integer> map = new HashMap<>();

or

Map<String, int[]> map = new HashMap<>();
int x = 1;

//put x in map
int[] x_ = new int[]{x};
map.put("x", x_);

//get the value of x
int y = map.get("x")[0];

Hi, this will throw an error:

foreach ($product->sku as $sku){ 
// Code Here
}

because you cannot loop a model with a specific column ($product->sku) from the table.
So you must loop on the whole model:

foreach ($product as $p) {
// code
}

Inside the loop you can retrieve whatever column you want just adding "->[column_name]"

foreach ($product as $p) {
echo $p->sku;
}

Have a great day

Using backtick or qx helps, thanks everybody for the answers. However, I found that if you use backtick or qx, the output contains trailing newline and I need to remove that. So I used chomp.

chomp($host = `hostname`);
chomp($domain = `domainname`);
$fqdn = $host.".".$domain;

More information here: http://irouble.blogspot.in/2011/04/perl-chomp-backticks.html

array([[1, 2, 3],
[4, 5, 6],
[7, 8, 9]])

I dont know about XamGrid but that's what i'll do with a standard wpf DataGrid:

<DataGrid>
    <DataGrid.Columns>
        <DataGridTemplateColumn>
            <DataGridTemplateColumn.CellTemplate>
                <DataTemplate>
                    <TextBlock Text="{Binding DataContext.MyProperty, RelativeSource={RelativeSource AncestorType=MyUserControl}}"/>
                </DataTemplate>
            </DataGridTemplateColumn.CellTemplate>
            <DataGridTemplateColumn.CellEditingTemplate>
                <DataTemplate>
                    <TextBox Text="{Binding DataContext.MyProperty, RelativeSource={RelativeSource AncestorType=MyUserControl}}"/>
                </DataTemplate>
            </DataGridTemplateColumn.CellEditingTemplate>
        </DataGridTemplateColumn>
    </DataGrid.Columns>
</DataGrid>

Since the TextBlock and the TextBox specified in the cell templates will be part of the visual tree, you can walk up and find whatever control you need.

The method that proposed by 'leoj' does not allow passing parameters with spaces. Us it:

    cmd.exe /v /c %CD:~0,2%"%CD:~2%\bat\bat\run.bat" "Par1-1 Par1-2" Par2

Which will be similar double quote written as in path

    C:"\Program Files\anyProgram.exe" "Par1-1 Par1-2" Par2

If you don't want to change the strings, then you could simply do

const char *a[2];
a[0] = "blah";
a[1] = "hmm";

When you do it like this you will allocate an array of two pointers to const char. These pointers will then be set to the addresses of the static strings "blah" and "hmm".

If you do want to be able to change the actual string content, the you have to do something like

char a[2][14];
strcpy(a[0], "blah");
strcpy(a[1], "hmm");

This will allocate two consecutive arrays of 14 chars each, after which the content of the static strings will be copied into them.

If array is truly an array, then you can "zero it out" with:

memset(array, 0, sizeof array);

But there are two points you should know:

• this works only if array is really a "two-d array", i.e., was declared T array[M][N]; for some type T.
• it works only in the scope where array was declared. If you pass it to a function, then the name array decays to a pointer, and sizeof will not give you the size of the array.

Let's do an experiment:

#include <stdio.h>

void f(int (*arr)[5])
{
    printf("f:    sizeof arr:       %zu\n", sizeof arr);
    printf("f:    sizeof arr[0]:    %zu\n", sizeof arr[0]);
    printf("f:    sizeof arr[0][0]: %zu\n", sizeof arr[0][0]);
}

int main(void)
{
    int arr[10][5];
    printf("main: sizeof arr:       %zu\n", sizeof arr);
    printf("main: sizeof arr[0]:    %zu\n", sizeof arr[0]);
    printf("main: sizeof arr[0][0]: %zu\n\n", sizeof arr[0][0]);
    f(arr);
    return 0;
}

On my machine, the above prints:

main: sizeof arr:       200
main: sizeof arr[0]:    20
main: sizeof arr[0][0]: 4

f:    sizeof arr:       8
f:    sizeof arr[0]:    20
f:    sizeof arr[0][0]: 4

Even though arr is an array, it decays to a pointer to its first element when passed to f(), and therefore the sizes printed in f() are "wrong". Also, in f() the size of arr[0] is the size of the array arr[0], which is an "array [5] of int". It is not the size of an int *, because the "decaying" only happens at the first level, and that is why we need to declare f() as taking a pointer to an array of the correct size.

So, as I said, what you were doing originally will work only if the two conditions above are satisfied. If not, you will need to do what others have said:

memset(array, 0, m*n*sizeof array[0][0]);

Finally, memset() and the for loop you posted are not equivalent in the strict sense. There could be (and have been) compilers where "all bits zero" does not equal zero for certain types, such as pointers and floating-point values. I doubt that you need to worry about that though.

Two possible issues could be

• you either forgot to include Servlet jar in your classpath
• you forgot to import it in your Servlet class

To include Servlet jar in your class path in eclipse, Download the latest Servlet Jar and configure using buildpath option. look at this Link for more info.

If you have included the jar make sure that your import is declared.

import javax.servlet.http.HttpServletResponse

I've found two older scripts that use an indefinite or even a specific string to split. As an approach, these are always helpful.

https://www.administrator.de/contentid/226533#comment-1059704 https://www.administrator.de/contentid/267522#comment-1000886

@echo off
:noOption
if "%~1" neq "" goto :nohelp
echo Gibt eine Ausgabe bis zur angebenen Zeichenfolge&echo(
echo %~n0 ist mit Eingabeumleitung zu nutzen
echo %~n0 "Zeichenfolge" ^<Quelldatei [^>Zieldatei]&echo(
echo    Zeichenfolge    die zu suchende Zeichenfolge wird mit FIND bestimmt
echo            ohne AusgabeUmleitung Ausgabe im CMD Fenster
exit /b
:nohelp
setlocal disabledelayedexpansion
set "intemp=%temp%%time::=%"
set "string=%~1"
set "stringlength=0"
:Laenge string bestimmen
for /f eol^=^

^ delims^= %%i in (' cmd /u /von /c "echo(!string!"^|find /v "" ') do set /a Stringlength += 1

:Eingabe temporär speichern
>"%intemp%" find /n /v ""

:suchen der Zeichenfolge und Zeile bestimmen und speichen
set "NRout="
for /f "tokens=*delims=" %%a in (' find "%string%"^<"%intemp%" ') do if not defined NRout (set "LineStr=%%a"
  for /f "delims=[]" %%b in ("%%a") do set "NRout=%%b"
)
if not defined NRout >&2 echo Zeichenfolge nicht gefunden.& set /a xcode=1 &goto :end
if %NRout% gtr 1 call :Line
call :LineStr

:end
del "%intemp%"
exit /b %xcode%

:LineStr Suche nur jeden ersten Buchstaben des Strings in der Treffer-Zeile dann Ausgabe bis dahin
for /f eol^=^

^ delims^= %%a in ('cmd /u /von /c "echo(!String!"^|findstr .') do (
  for /f "delims=[]" %%i in (' cmd /u /von /c "echo(!LineStr!"^|find /n "%%a" ') do (
    setlocal enabledelayedexpansion
    for /f %%n in ('set /a %%i-1') do if !LineStr:^~%%n^,%stringlength%! equ !string! (
      set "Lineout=!LineStr:~0,%%n!!string!"
      echo(!Lineout:*]=!
      exit /b
    )
) )
exit /b 

:Line vorige Zeilen ausgeben
for /f "usebackq tokens=* delims=" %%i in ("%intemp%") do (
  for /f "tokens=1*delims=[]" %%n in ("%%i") do if %%n EQU %NRout%  exit /b
  set "Line=%%i"
  setlocal enabledelayedexpansion 
  echo(!Line:*]=!
  endlocal
)
exit /b

@echo off
:: CUTwithWildcards.cmd
:noOption
if "%~1" neq "" goto :nohelp
echo Gibt eine Ausgabe ohne die angebene Zeichenfolge.
echo Der Rest wird abgeschnitten.&echo(
echo %~n0 "Zeichenfolge" B n E [/i] &echo(
echo    Zeichenfolge    String zum Durchsuchen
echo    B   Zeichen Wonach am Anfang gesucht wird
echo    n   Auszulassende Zeichenanzahl
echo    E   Zeichen was das Ende der Zeichen Bestimmt
echo    /i  Case intensive
exit /b
:nohelp
setlocal disabledelayedexpansion
set  "Original=%~1"
set     "Begin=%~2"
set /a    Excl=%~3 ||echo Syntaxfehler.>&2 &&exit /b 1
set       "End=%~4"
if not defined end echo Syntaxfehler.>&2 &exit /b 1
set   "CaseInt=%~5"
:: end Setting Input Param
set       "out="
set      "more="
call :read Original
if errorlevel 1 echo Zeichenfolge nicht gefunden.>&2
exit /b
:read VarName B # E [/i]
for /f "delims=[]" %%a in (' cmd /u /von /c "echo  !%~1!"^|find /n %CaseInt% "%Begin%" ') do (
  if defined out exit /b 0
  for /f "delims=[]" %%b in (' cmd /u /von /c "echo !%1!"^|more +%Excl%^|find /n %CaseInt% "%End%"^|find "[%%a]" ') do (
    set "out=1"
    setlocal enabledelayedexpansion
    set "In=  !Original!"
    set "In=!In:~,%%a!"
    echo !In:^~2!
    endlocal
) )
if not defined out exit /b 1 
exit /b

::oneliner for CMDLine
set "Dq=""
for %i in ("*S??E*") do @set "out=1" &for /f "delims=[]" %a in ('cmd/u/c "echo  %i"^|find /n "S"') do @if defined out for /f "delims=[]" %b in ('cmd/u/c "echo %i"^|more +2^|find /n "E"^|find "[%a]"') do @if %a equ %b set "out=" & set in= "%i" &cmd /v/c echo ren "%i" !in:^~0^,%a!!Dq!)

Adding one more slight variation which isn't exactly reflected in the other answers.

This will handle the case of the file_path being None or empty string.

def file_exists(file_path):
    if not file_path:
        return False
    elif not os.path.isfile(file_path):
        return False
    else:
        return True

Adding a variant based on suggestion from Shahbaz

def file_exists(file_path):
    if not file_path:
        return False
    else:
        return os.path.isfile(file_path)

Adding a variant based on suggestion from Peter Wood

def file_exists(file_path):
    return file_path and os.path.isfile(file_path):

Implement your class with Serializable. Let's suppose that this is your entity class:

import java.io.Serializable;

@SuppressWarnings("serial") //With this annotation we are going to hide compiler warnings
public class Deneme implements Serializable {

    public Deneme(double id, String name) {
        this.id = id;
        this.name = name;
    }

    public double getId() {
        return id;
    }

    public void setId(double id) {
        this.id = id;
    }

    public String getName() {
        return this.name;
    }

    public void setName(String name) {
        this.name = name;
    }

    private double id;
    private String name;
}

We are sending the object called dene from X activity to Y activity. Somewhere in X activity;

Deneme dene = new Deneme(4,"Mustafa");
Intent i = new Intent(this, Y.class);
i.putExtra("sampleObject", dene);
startActivity(i);

In Y activity we are getting the object.

Intent i = getIntent();
Deneme dene = (Deneme)i.getSerializableExtra("sampleObject");

That's it.

I've found a couple other ways you can write these which are a bit more readable IMHO.

- name: check out a git repository
  local_action: 
    module: git
    repo: git://foosball.example.org/path/to/repo.git
    dest: /local/path

OR

- name: check out a git repository
  local_action: git
  args:
    repo: git://foosball.example.org/path/to/repo.git
    dest: /local/path

grep -r -e string directory

-r is for recursive; -e is optional but its argument specifies the regex to search for. Interestingly, POSIX grep is not required to support -r (or -R), but I'm practically certain that System V grep did, so in practice they (almost) all do. Some versions of grep support -R as well as (or conceivably instead of) -r; AFAICT, it means the same thing.

The first thing you do when inserting/retreiving from hash table is to calculate the hashCode for the given key and then find the correct bucket by trimming the hashCode to the size of the hashTable by doing hashCode % table_length. Here are 2 'statements' that you most probably have read somewhere

1. If you use a power of 2 for table_length, finding (hashCode(key) % 2^n ) is as simple and quick as (hashCode(key) & (2^n -1)). But if your function to calculate hashCode for a given key isn't good, you will definitely suffer from clustering of many keys in a few hash buckets.
2. But if you use prime numbers for table_length, hashCodes calculated could map into the different hash buckets even if you have a slightly stupid hashCode function.

And here is the proof.

If suppose your hashCode function results in the following hashCodes among others {x , 2x, 3x, 4x, 5x, 6x...}, then all these are going to be clustered in just m number of buckets, where m = table_length/GreatestCommonFactor(table_length, x). (It is trivial to verify/derive this). Now you can do one of the following to avoid clustering

Make sure that you don't generate too many hashCodes that are multiples of another hashCode like in {x, 2x, 3x, 4x, 5x, 6x...}.But this may be kind of difficult if your hashTable is supposed to have millions of entries. Or simply make m equal to the table_length by making GreatestCommonFactor(table_length, x) equal to 1, i.e by making table_length coprime with x. And if x can be just about any number then make sure that table_length is a prime number.

From - http://srinvis.blogspot.com/2006/07/hash-table-lengths-and-prime-numbers.html

Here example on plain JS:

document.querySelector('#myDiv').addEventListener('keyup', function (e) {_x000D_
  console.log(e.key)_x000D_
})

#myDiv {_x000D_
  outline: none;_x000D_
}

<div _x000D_
  id="myDiv"_x000D_
  tabindex="0"_x000D_
>_x000D_
  Press me and start typing_x000D_
</div>

Best way to add custom drawable is:

<RadioButton
    android:id="@+id/radiocar"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_gravity="center"
    android:background="@android:color/transparent"
    android:button="@drawable/yourbuttonbackground"
    android:checked="true"
    android:drawableRight="@mipmap/car"
    android:paddingLeft="5dp"
    android:paddingRight="5dp"
    android:text="yourtexthere"/>

Shadow overlay by custom drawable is removed here.

Thank you all for responding. After a further investigation I got to the right answer. As mentioned by Skip Head, the TimeStamped I was getting from my application was being adjusted to the user's TimeZone. So if the User entered 6:12 PM (EST) I would get 2:12 PM (GMT). What I needed was a way to undo the conversion so that the time entered by the user is the time I sent to the WebServer request. Here's how I accomplished this:

// Get TimeZone of user
TimeZone currentTimeZone = sc_.getTimeZone();
Calendar currentDt = new GregorianCalendar(currentTimeZone, EN_US_LOCALE);
// Get the Offset from GMT taking DST into account
int gmtOffset = currentTimeZone.getOffset(
    currentDt.get(Calendar.ERA), 
    currentDt.get(Calendar.YEAR), 
    currentDt.get(Calendar.MONTH), 
    currentDt.get(Calendar.DAY_OF_MONTH), 
    currentDt.get(Calendar.DAY_OF_WEEK), 
    currentDt.get(Calendar.MILLISECOND));
// convert to hours
gmtOffset = gmtOffset / (60*60*1000);
System.out.println("Current User's TimeZone: " + currentTimeZone.getID());
System.out.println("Current Offset from GMT (in hrs):" + gmtOffset);
// Get TS from User Input
Timestamp issuedDate = (Timestamp) getACPValue(inputs_, "issuedDate");
System.out.println("TS from ACP: " + issuedDate);
// Set TS into Calendar
Calendar issueDate = convertTimestampToJavaCalendar(issuedDate);
// Adjust for GMT (note the offset negation)
issueDate.add(Calendar.HOUR_OF_DAY, -gmtOffset);
System.out.println("Calendar Date converted from TS using GMT and US_EN Locale: "
    + DateFormat.getDateTimeInstance(DateFormat.SHORT, DateFormat.SHORT)
    .format(issueDate.getTime()));

The code's output is: (User entered 5/1/2008 6:12PM (EST)

Current User's TimeZone: EST
Current Offset from GMT (in hrs):-4 (Normally -5, except is DST adjusted)
TS from ACP: 2008-05-01 14:12:00.0
Calendar Date converted from TS using GMT and US_EN Locale: 5/1/08 6:12 PM (GMT)

Copied from the bash completion file, the following is a naive way to do it

# Copyright (C) 2006,2007 Shawn O. Pearce <[email protected]>
# Conceptually based on gitcompletion (http://gitweb.hawaga.org.uk/).
# Distributed under the GNU General Public License, version 2.0.

if [ -d .git ]; then
  echo .git;
else
  git rev-parse --git-dir 2> /dev/null;
fi;

You could either wrap that in a function or use it in a script.

Condensed into a one line condition suitable for bash and zsh

[ -d .git ] && echo .git || git rev-parse --git-dir > /dev/null 2>&1

As from MSDN for GetChanges

A filtered copy of the DataTable that can have actions performed on it, and later be merged back in the DataTable using Merge. If no rows of the desired DataRowState are found, the method returns Nothing (null).

dataTable1 is null so just check before you iterate over it.

To pretty print the column data types

To check the data types after, for example, an import from a file

def printColumnInfo(df):
    template="%-8s %-30s %s"
    print(template % ("Type", "Column Name", "Example Value"))
    print("-"*53)
    for c in df.columns:
        print(template % (df[c].dtype, c, df[c].iloc[1]) )

Illustrative output:

Type     Column Name                    Example Value
-----------------------------------------------------
int64    Age                            49
object   Attrition                      No
object   BusinessTravel                 Travel_Frequently
float64  DailyRate                      279.0

I added yellow highlighted package and now my view page is accessible. in eclipse when we deploy our war it only deploy those stuff mention in the deployment assessment.

We set Deployment Assessment from right click on project --> Properties --> Apply and Close....

I set width and height of a container to double.infinity like so:

Container(
        width: double.infinity,
        height: double.infinity,
        child: //your child
)

Using array variables

set $(ps | egrep "^11383 "); echo $4

or

A=( $(ps | egrep "^11383 ") ) ; echo ${A[3]}

Use the command as

java -classpath ".;C:\MyLibs\a\*;D:\MyLibs\b\*" <your-class-name>

The above command will set the mentioned paths to classpath only once for executing the class named TestClass.

If you want to execute more then one classes, then you can follow this

set classpath=".;C:\MyLibs\a\*;D:\MyLibs\b\*"

After this you can execute as many classes as you want just by simply typing

java <your-class-name>

The above command will work till you close the command prompt. But after closing the command prompt, if you will reopen the command prompt and try to execute some classes, then you have to again set the classpath with the help of any of the above two mentioned methods.(First method for executing one class and second one for executing more classes)

If you want to set the classpth only once so that it could work for everytime, then do as follows

1. Right click on "My Computer" icon
2. Go to the "properties"
3. Go to the "Advanced System Settings" or "Advance Settings"
4. Go to the "Environment Variable"
5. Create a new variable at the user variable by giving the information as below
    a.  Variable Name-     classpath
    b.  Variable Value-    .;C:\program files\jdk 1.6.0\bin;C:\MyLibs\a\';C:\MyLibs\b\*
6.Apply this and you are done.

Remember this will work every time. You don't need to explicitly set the classpath again and again.

NOTE: If you want to add some other libs after some day, then don't forget to add a semi-colon at the end of the "variable-value" of the "Environment Variable" and then type the path of your new libs after the semi-colon. Because semi-colon separates the paths of different directories.

Hope this will help you.