Programs & Examples On #Lzh

If you have a job that continues running, you need to search the job and delete it:

kubectl get job --all-namespaces | grep <name>

and

kubectl delete job <job-name>

The problem was that the working copy was checked out via svn+ssh (thanks, Thomas). Instead of setting up ssh keys as was suggested, I just checked out a new working copy using svn://domain.com/path/to/repo rather than svn+ssh://domain.com/path/to/repo. Because this working copy is on the same machine as the repository itself, I'm not really missing out on anything, and I can now use the --password and --username options gratuitously. Seems obvious now that I think about it.

Of course, Yes. Use this simple file in your project: https://gist.github.com/3851727

First add you HTML like this:

<div id="messagebox" class="alert hide"></div>

and then use:

$("#messagebox").message({text: "Hello world!", type: "error"});

You can pass all bootstrap alert types such as error, success and warning to type property as options.

change your query to like.

$username = mysql_real_escape_string($username); // escape string before passing it to query.
$query = mysql_query("SELECT username FROM Users WHERE username='".$username."'");

However, MySQL is deprecated. You should instead use MySQLi or PDO

AFAIK the delay method only works for numeric CSS modifications.

For other purposes JavaScript comes with a setTimeout method:

window.setTimeout(function(){$("#div").removeClass("error");}, 1000);

An UpdatePanel completely replaces the contents of the update panel on an update. This means that those events you subscribed to are no longer subscribed because there are new elements in that update panel.

What I've done to work around this is re-subscribe to the events I need after every update. I use $(document).ready() for the initial load, then use Microsoft's PageRequestManager (available if you have an update panel on your page) to re-subscribe every update.

$(document).ready(function() {
    // bind your jQuery events here initially
});

var prm = Sys.WebForms.PageRequestManager.getInstance();

prm.add_endRequest(function() {
    // re-bind your jQuery events here
});

The PageRequestManager is a javascript object which is automatically available if an update panel is on the page. You shouldn't need to do anything other than the code above in order to use it as long as the UpdatePanel is on the page.

If you need more detailed control, this event passes arguments similar to how .NET events are passed arguments (sender, eventArgs) so you can see what raised the event and only re-bind if needed.

Here is the latest version of the documentation from Microsoft: msdn.microsoft.com/.../bb383810.aspx

A better option you may have, depending on your needs, is to use jQuery's .on(). These method are more efficient than re-subscribing to DOM elements on every update. Read all of the documentation before you use this approach however, since it may or may not meet your needs. There are a lot of jQuery plugins that would be unreasonable to refactor to use .delegate() or .on(), so in those cases, you're better off re-subscribing.

I use DUAL CORE 3-GHZ with 2GB RAM, windows 8 OS.

I can run eclipse and AVD (even running 2 AVD is still good) smoothly, as long as i dont open too much other tabs (Game, Browser, MS Word, etc).

I've only used jdom. It's pretty easy.

Go here for documentation and to download it: http://www.jdom.org/

If you have a very very large document then it's better not to read it all into memory, but use a SAX parser which calls your methods as it hits certain tags and attributes. You have to then create a state machine to deal with the incoming calls.

In answering this question I define 'value' as the value of the enum item, and index as is positional location in the Enum definition (which is sorted by value). The OP's question asks for 'index' and various answer have interpreted this as either 'index' or 'value' (by my definitions). Sometimes the index is equal to numerical value.

No answer has specifically addressed the case of finding the index (not value) where the Enum is an Enum flag.

Enum Flag
{
    none = 0       // not a flag, thus index =-1
    A = 1 << 0,   // index should be 0
    B = 1 << 1,   // index should be 1 
    C = 1 << 2,   // index should be 2 
    D = 1 << 3,   // index should be 3,
    AandB = A | B // index is composite, thus index = -1 indicating undefined
    All = -1      //index is composite, thus index = -1 indicating undefined
}

In the case of Flag Enums, the index is simply given by

var index = (int)(Math.Log2((int)flag)); //Shows the maths, but is inefficient

However, the above solution is (a) Inefficient as pointed out by @phuclv (Math.Log2() is floating point and costly) and (b) Does not address the Flag.none case, nor any composite flags - flags that are composed of other flags (eg the 'AandB' flag as in my example).

DotNetCore If using dot net core we can address both a) and b) above as follows:

int setbits = BitOperations.PopCount((uint)flag); //get number of set bits
if (setbits != 1) //Finds ECalFlags.none, and all composite flags
    return -1;   //undefined index
int index = BitOperations.TrailingZeroCount((uint)flag); //Efficient bit operation

Not DotNetCore The BitOperations only work in dot net core. See @phuclv answer here for some efficient suggestions https://stackoverflow.com/a/63582586/6630192

• @user1027167 answer will not work if composite flags are used, as per my comment on his answer
• Thankyou to @phuclv for suggestions on improving efficiency

use the following way to convert the array to an object easily.

var obj = {};
array.forEach(function(e){
   obj[e[0]] = e[1]
})

This will use the first element as the key and the second element as the value for each element.

It's just as simple as command+s or File > Save Screen Shot in iOS Simulator. It will appear on your desktop by default.

@Webgr partial answer actually helped me debug this warning @ console log, shame the other part of that answer brought so many downvotes :(

Anyway, here is how I found out what was the cause of this warning in my case:

1. Use Chrome Browser > Hit F12 to bring DevTools
2. Open the drawer menu (in Chrome 3 vertical dots in the upper right)
3. Under Console > check Log XMLHttpRequests option
4. Reload your page that was giving you the error and observe what happens on each ajax request in the console log.

In my case, another plugin was loading 2 .js libraries after each ajax call, that were absolutely not required nor necessary. Disabling the rogue plugin removed the warning from the log. From that point, you can either try to fix the problem yourself (e.g. limit the loading of the scripts to certain pages or events - this is way too specific for an answer here) or contact 3rd party plugin developer to solve it.

Hope this helps someone.

OnClick is triggered when the user releases the button. But if you still want to use the TouchListener you need to add it in code. It's just:

myView.setOnTouchListener(new View.OnTouchListener()
{
    // Implementation;
});

I stumbled upon the same need. And I read a lot on this so, here is my copper on the subject.

If you want your change detection on push, then you would have it when you change a value of an object inside right ? And you also would have it if somehow, you remove objects.

As already said, use of changeDetectionStrategy.onPush

Say you have this component you made, with changeDetectionStrategy.onPush:

<component [collection]="myCollection"></component>

Then you'd push an item and trigger the change detection :

myCollection.push(anItem);
refresh();

or you'd remove an item and trigger the change detection :

myCollection.splice(0,1);
refresh();

or you'd change an attrbibute value for an item and trigger the change detection :

myCollection[5].attribute = 'new value';
refresh();

Content of refresh :

refresh() : void {
    this.myCollection = this.myCollection.slice();
}

The slice method returns the exact same Array, and the [ = ] sign make a new reference to it, triggering the change detection every time you need it. Easy and readable :)

Regards,

Check if you have any elevation on one of the Views in XML. If so, add elevation to the other item or remove the elevation to solve the issue. From there, it's the order of the views that dictates what comes above the other.

For JS:

First, if you haven't installed telegram bot just install with the command

npm i messaging-api-telegram

Now, initialize its client with

const client = new TelegramClient({
    accessToken: process.env.<TELEGRAM_ACCESS_TOKEN>
});

Then, to send message use sendMessage() async function like below -

    const resp = await client.sendMessage(chatId, msg, {
        disableWebPagePreview: false,
        disableNotification: false,
        parseMode: "HTML"
    });

Here parse mode by default would be plain text but with parseOptions parseMode we can do 1. "HTML" and "MARKDOWN" to let use send messages in stylish way. Also get your access token of bot from telegram page and chatId or group chat Id from same.

Use the .length property. It is not a function.

alert($('.class').length); // alerts a nonnegative number 

if (/(^|;)\s*visited=/.test(document.cookie)) {
    alert("Hello again!");
} else {
    document.cookie = "visited=true; max-age=" + 60 * 60 * 24 * 10; // 60 seconds to a minute, 60 minutes to an hour, 24 hours to a day, and 10 days.
    alert("This is your first time!");
}

is one way to do it. Note that document.cookie is a magic property, so you don't have to worry about overwriting anything, either.

There are also more convenient libraries to work with cookies, and if you don’t need the information you’re storing sent to the server on every request, HTML5’s localStorage and friends are convenient and useful.

You can try this. similar result

 <c:forEach items="${loopableObject}" var="theObject" varStatus="theCount">
    <div id="divIDNo${theCount.count}"></div>
 </c:forEach>

Try if that works

sc = spark.sparkContext

# Infer the schema, and register the DataFrame as a table.
schemaPeople = spark.createDataFrame(RddName)
schemaPeople.createOrReplaceTempView("RddName")

Some time ago i created an excel file with supported dimensions
Hope this will be helpful for somebody

To be honest i lost the idea, but it refers another screen feature as size (not only density)
https://developer.android.com/guide/practices/screens_support.html
Please inform me if there are some mistakes

Link1: dimensions.xlsx

Link2: dimensions.xlsx

When the form is processed, you redirect to another page:

... process complete....
header('Location: thankyou.php');

you can also redirect to the same page.

if you are doing something like comments and you want the user to stay on the same page, you can use Ajax to handle the form submission

If you create a web based application, the better solution is to check the directory exists or not then create the file if not exist. If exists, recreate again.

    private File createFile(String path, String fileName) throws IOException {
       ClassLoader classLoader = getClass().getClassLoader();
       File file = new File(classLoader.getResource(".").getFile() + path + fileName);

       // Lets create the directory
       try {
          file.getParentFile().mkdir();
       } catch (Exception err){
           System.out.println("ERROR (Directory Create)" + err.getMessage());
       }

       // Lets create the file if we have credential
       try {
           file.createNewFile();
       } catch (Exception err){
           System.out.println("ERROR (File Create)" + err.getMessage());
       }
       return  file;
   }

@property (nonatomic, copy) void (^simpleBlock)(void);
@property (nonatomic, copy) BOOL (^blockWithParamter)(NSString *input);

If you are going to be repeating the same block in several places use a type def

typedef void(^MyCompletionBlock)(BOOL success, NSError *error);
@property (nonatomic) MyCompletionBlock completion;

Create New File in Specified Path

import java.io.File;
import java.io.IOException;

public class CreateNewFile {

    public static void main(String[] args) {
        try {
            File file = new File("d:/sampleFile.txt");
            if(file.createNewFile())
                System.out.println("File creation successfull");
            else
                System.out.println("Error while creating File, file already exists in specified path");
        }
        catch(IOException io) {
            io.printStackTrace();
        }
    }

}

Program Output:

File creation successfull

You should always use "throw;" to rethrow the exceptions in .NET,

Refer this, http://weblogs.asp.net/bhouse/archive/2004/11/30/272297.aspx

Basically MSIL (CIL) has two instructions - "throw" and "rethrow" and C#'s "throw ex;" gets compiled into MSIL's "throw" and C#'s "throw;" - into MSIL "rethrow"! Basically I can see the reason why "throw ex" overrides the stack trace.

There's also a drop down menu in the graphical layout window of eclipse. some of the themes in this menu will have ".NoTitleBar" at the end. any of these will do trick.

Simple use .filter() ^[docs] (AND) using the multiple selector ^[docs] (OR):

$('[myc="blue"]').filter('[myid="1"],[myid="2"]');

In general, chaining selectors, like a.foo.bar[attr=value] is some kind of AND selector.

jQuery has extensive documentation about the supported selectors, it's worth a read.

It depends on your default version of python setup. You can query by Python Version:

python3 --version //to check which version of python3 is installed on your computer
python2 --version // to check which version of python2 is installed on your computer
python --version // it shows your default Python installed version.

All standard implementations of java.util.List already implement java.io.Serializable.

So even though java.util.List itself is not a subtype of java.io.Serializable, it should be safe to cast the list to Serializable, as long as you know it's one of the standard implementations like ArrayList or LinkedList.

If you're not sure, then copy the list first (using something like new ArrayList(myList)), then you know it's serializable.

Here is a way that removes the lines containing "YOURTEXT" completely:

• Open the Replace dialog
• Enter the following search string: .*YOURTEXT.*[\r]?[\n] (replace YOURTEXT with your text)
• Enable "Regular expression"
• Disable ". matches newline"

The given regular expression matches both Windows and Unix end of lines.

If your text contains characters that have a special meaning for regular expression, like the backslash, you will need to escape them.

I followed duydb's answer to produce the python code below that automates this process.

import requests

with open("example.css", "r") as f:
    text = f.read()
    urls = re.findall(r'(https?://[^\)]+)', text)

for url in urls:
    filename = url.split("/")[-1]
    r = requests.get(url)
    with open("./fonts/" + filename, "wb") as f: 
        f.write(r.content)
    text = text.replace(url, "/fonts/" + filename)

with open("example.css", "w") as f:
        f.write(text)

Hope this helps with some of the copy-paste death.

I couln't find the SOAP section in phpinfo() so I had to install it.

For information the SOAP extension requires the libxml PHP extension. This means that passing in --enable-libxml is also required according to http://php.net/manual/en/soap.requirements.php

From WHM panel

1. Software » Module Installers » PHP Extensions & Applications Package

2. Install SOAP 0.13.0

   WARNING: "pear/HTTP_Request" is deprecated in favor of "pear/HTTP_Request2"

   install ok: channel://pear.php.net/SOAP-0.13.0

3. Install HTTP_Request2 (optional)

   install ok: channel://pear.php.net/HTTP_Request2

4. Restart Services » HTTP Server (Apache)

From shell command

1.pear install SOAP

2.reboot

You can use the & operator on the Method instance of your method to convert the method to a block.

Example:

def foo(arg)
  p arg
end

def bar(&block)
  p 'bar'
  block.call('foo')
end

bar(&method(:foo))

More details at http://weblog.raganwald.com/2008/06/what-does-do-when-used-as-unary.html

Usually, when you compile your apache2 server (or install it by packages facility stuff), you can check any directive that're available to be used by tapping this command:

~# $(which httpd) -L | grep SSL # on RHEL/CentOS/Fedora
~# $(which apache2) -L | grep SSL # on Ubuntu/Debian

If you don't see any SSL* directive, it means that you don't have apache2 with mod_ssl compiled.

Hopes it helps ;)

I have had to unpack a .ab-file, too and found this post while looking for an answer. My suggested solution is Android Backup Extractor, a free Java tool for Windows, Linux and Mac OS.

Make sure to take a look at the README, if you encounter a problem. You might have to download further files, if your .ab-file is password-protected.

Usage:

java -jar abe.jar [-debug] [-useenv=yourenv] unpack <backup.ab> <backup.tar> [password]

Example:

Let's say, you've got a file test.ab, which is not password-protected, you're using Windows and want the resulting .tar-Archive to be called test.tar. Then your command should be:

java.exe -jar abe.jar unpack test.ab test.tar ""

If the file is coming off the disk and as others have stated, use the BaseName and Extension properties:

PS C:\> dir *.xlsx | select BaseName,Extension

BaseName                                Extension
--------                                ---------
StackOverflow.com Test Config           .xlsx  

If you are given the file name as part of string (say coming from a text file), I would use the GetFileNameWithoutExtension and GetExtension static methods from the System.IO.Path class:

PS C:\> [System.IO.Path]::GetFileNameWithoutExtension("Test Config.xlsx")
Test Config
PS H:\> [System.IO.Path]::GetExtension("Test Config.xlsx")
.xlsx

Please consider using some code like this:

SqlDataReader reader = command.ExecuteReader();
int numRows = 0;
DataTable dt = new DataTable();

dt.Load(reader);
numRows = dt.Rows.Count;

string attended_type = "";

for (int index = 0; index < numRows; index++)
{
    attended_type = dt.Rows[indice2]["columnname"].ToString();
}

reader.Close();

Just Change your folder name from lib to libs ,

Then you will see some error marks in your project, to resolve this rightClick on project >

Properties > Java Build Path > libraries :

Remove all the library with red marks on it, then apply > ok > after that clean your project . TADA see the magic :)

No Array(s)

//Javascript stack linked list data structure (no array)

function node(value, noderef) {
    this.value = value;
    this.next = noderef;
}
function stack() {
    this.push = function (value) {
        this.next = this.first;
        this.first = new node(value, this.next);
    }
    this.pop = function () {
        var popvalue = this.first.value;
        this.first = this.first.next;
        return popvalue;
    }
    this.hasnext = function () {
        return this.next != undefined;
    }
    this.isempty = function () {
        return this.first == undefined;
    }

}

//Javascript stack linked list data structure (no array)
function node(value, noderef) {
    this.value = value;
    this.next = undefined;
}
function queue() {
    this.enqueue = function (value) {
        this.oldlast = this.last;
        this.last = new node(value);
        if (this.isempty())
            this.first = this.last;
        else 
           this.oldlast.next = this.last;
    }
    this.dequeue = function () {
        var queuvalue = this.first.value;
        this.first = this.first.next;
        return queuvalue;
    }
    this.hasnext = function () {
        return this.first.next != undefined;
    }
    this.isempty = function () {
        return this.first == undefined;
    }

}

If you are using a certificate signed by a Certificate Authority that is not included in the Java cacerts file by default, you need to complete the following configuration for HTTPS connections. To import certificates into cacerts:

1. Open Windows Explorer and navigate to the cacerts file, which is located in the jre\lib\security subfolder where AX Core Client is installed. The default location is C:\Program Files\ACL Software\AX Core Client\jre\lib\security
2. Create a backup copy of the file before making any changes.
3. Depending on the certificates you receive from the Certificate Authority you are using, you may need to import an intermediate certificate and/or root certificate into the cacerts file. Use the following syntax to import certificates: keytool -import -alias -keystore -trustcacerts -file
4. If you are importing both certificates the alias specified for each certificate should be unique.
5. Type the password for the keystore at the “Password” prompt and press Enter. The default Java password for the cacerts file is “changeit”. Type ‘y’ at the “Trust this certificate?” prompt and press Enter.

def to_dict(row):
    return {column.name: getattr(row, row.__mapper__.get_property_by_column(column).key) for column in row.__table__.columns}


for u in session.query(User).all():
    print(to_dict(u))

This function might help. I can't find better solution to solve problem when attribute name is different then column names.

I'd like to note there is a bug in solution provided by @isaias-b.

That solution assume that stride is equal to row length. But it is not always true. Due to memory alignments performed by GDI, stride can be greater then row length. This must be taken into account. Otherwise invalid shifted image will be generated. Padding bytes in each row will be ignored.

The stride is the width of a single row of pixels (a scan line), rounded up to a four-byte boundary.

Fixed code:

using System.Drawing;
using System.Drawing.Imaging;
using System.Runtime.InteropServices;

public static class ImageExtensions
{
    public static Image ImageFromRawBgraArray(this byte[] arr, int width, int height, PixelFormat pixelFormat)
    {
        var output = new Bitmap(width, height, pixelFormat);
        var rect = new Rectangle(0, 0, width, height);
        var bmpData = output.LockBits(rect, ImageLockMode.ReadWrite, output.PixelFormat);

        // Row-by-row copy
        var arrRowLength = width * Image.GetPixelFormatSize(output.PixelFormat) / 8;
        var ptr = bmpData.Scan0;
        for (var i = 0; i < height; i++)
        {
            Marshal.Copy(arr, i * arrRowLength, ptr, arrRowLength);
            ptr += bmpData.Stride;
        }

        output.UnlockBits(bmpData);
        return output;
    }
}

To illustrate what it can lead to, let's generate PixelFormat.Format24bppRgb gradient image 101x101:

var width = 101;
var height = 101;
var gradient = new byte[width * height * 3 /* bytes per pixel */];
for (int i = 0, pixel = 0; i < gradient.Length; i++, pixel = i / 3)
{
    var x = pixel % height;
    var y = (pixel - x) / width;
    gradient[i] = (byte)((x / (double)(width - 1) + y / (double)(height - 1)) / 2d * 255);
}

If we will copy entire array as-is to address pointed by bmpData.Scan0, we will get following image. Image shifting because part of image was written to padding bytes, that was ignored. Also that is why last row is incomplete:

But if we will copy row-by-row shifting destination pointer by bmpData.Stride value, valid imaged will be generated:

Stride also can be negative:

If the stride is positive, the bitmap is top-down. If the stride is negative, the bitmap is bottom-up.

But I didn't worked with such images and this is beyond my note.

Related answer: C# - RGB Buffer from Bitmap different from C++

Use the somewhat hidden security feature:

pip install requests[security] or pip install pyOpenSSL ndg-httpsclient pyasn1

Both commands install following extra packages:

• pyOpenSSL
• cryptography
• idna

Please note that this is not required for python-2.7.9+.

If pip install fails with errors, check whether you have required development packages for libffi, libssl and python installed in your system using distribution's package manager:

• Debian/Ubuntu - python-dev libffi-dev libssl-dev packages.

• Fedora - openssl-devel python-devel libffi-devel packages.

Distro list above is incomplete.

Workaround (see the original answer by @TomDotTom):

In case you cannot install some of the required development packages, there's also an option to disable that warning:

import requests.packages.urllib3
requests.packages.urllib3.disable_warnings()

If your pip itself is affected by InsecurePlatformWarning and cannot install anything from PyPI, it can be fixed with this step-by-step guide to deploy extra python packages manually.

I found some answers, but I don't know if it is the right way.This is my solution for now. Fortunatelly it didn´t broke my design mode.

    `
    /// <summary>
    /// set config, if key is not in file, create
    /// </summary>
    /// <param name="key">Nome do parâmetro</param>
    /// <param name="value">Valor do parâmetro</param>
    public static void SetConfig(string key, string value)
    {
        var configFile = ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None);
        var settings = configFile.AppSettings.Settings;
        if (settings[key] == null)
        {
            settings.Add(key, value);
        }
        else
        {
            settings[key].Value = value;
        }
        configFile.Save(ConfigurationSaveMode.Modified);
        ConfigurationManager.RefreshSection(configFile.AppSettings.SectionInformation.Name);
    }

    /// <summary>
    /// Get key value, if not found, return null
    /// </summary>
    /// <param name="key"></param>
    /// <returns>null if key is not found, else string with value</returns>
    public static string GetConfig(string key)
    {
        return ConfigurationManager.AppSettings[key];
    }`

Another thing to notice is you are trying to convert a date in mm/dd/yyyy but if you have any plans of comparing this converted date to some other date then make sure to convert it in yyyy-mm-dd format only since to_char literally converts it into a string and with any other format we will get undesired result. For any more explanation follow this: Comparing Dates in Oracle SQL

For me, I accidentally included my local database name inside the SQL query, hence the access denied issue came up when I deployed.

I removed the database name from the SQL query and it got fixed.

As long as the file does not need to be dynamically generated, e.g., a simple text or html file, you can test it locally WITHOUT a web server - just use a relative path.

• Open Terminal.
• Go to Edit -> Profile Preferences.
• Select the Title & command Tab in the window opened.
• Mark the checkbox Run command as login shell.
• close the window and restart the Terminal.

Check this Official Link

You can use iteration_utilities.duplicates:

>>> from iteration_utilities import duplicates

>>> list(duplicates([1,1,2,1,2,3,4,2]))
[1, 1, 2, 2]

or if you only want one of each duplicate this can be combined with iteration_utilities.unique_everseen:

>>> from iteration_utilities import unique_everseen

>>> list(unique_everseen(duplicates([1,1,2,1,2,3,4,2])))
[1, 2]

It can also handle unhashable elements (however at the cost of performance):

>>> list(duplicates([[1], [2], [1], [3], [1]]))
[[1], [1]]

>>> list(unique_everseen(duplicates([[1], [2], [1], [3], [1]])))
[[1]]

That's something that only a few of the other approaches here can handle.

Benchmarks

I did a quick benchmark containing most (but not all) of the approaches mentioned here.

The first benchmark included only a small range of list-lengths because some approaches have O(n**2) behavior.

In the graphs the y-axis represents the time, so a lower value means better. It's also plotted log-log so the wide range of values can be visualized better:

Removing the O(n**2) approaches I did another benchmark up to half a million elements in a list:

As you can see the iteration_utilities.duplicates approach is faster than any of the other approaches and even chaining unique_everseen(duplicates(...)) was faster or equally fast than the other approaches.

One additional interesting thing to note here is that the pandas approaches are very slow for small lists but can easily compete for longer lists.

However as these benchmarks show most of the approaches perform roughly equally, so it doesn't matter much which one is used (except for the 3 that had O(n**2) runtime).

from iteration_utilities import duplicates, unique_everseen
from collections import Counter
import pandas as pd
import itertools

def georg_counter(it):
    return [item for item, count in Counter(it).items() if count > 1]

def georg_set(it):
    seen = set()
    uniq = []
    for x in it:
        if x not in seen:
            uniq.append(x)
            seen.add(x)

def georg_set2(it):
    seen = set()
    return [x for x in it if x not in seen and not seen.add(x)]   

def georg_set3(it):
    seen = {}
    dupes = []

    for x in it:
        if x not in seen:
            seen[x] = 1
        else:
            if seen[x] == 1:
                dupes.append(x)
            seen[x] += 1

def RiteshKumar_count(l):
    return set([x for x in l if l.count(x) > 1])

def moooeeeep(seq):
    seen = set()
    seen_add = seen.add
    # adds all elements it doesn't know yet to seen and all other to seen_twice
    seen_twice = set( x for x in seq if x in seen or seen_add(x) )
    # turn the set into a list (as requested)
    return list( seen_twice )

def F1Rumors_implementation(c):
    a, b = itertools.tee(sorted(c))
    next(b, None)
    r = None
    for k, g in zip(a, b):
        if k != g: continue
        if k != r:
            yield k
            r = k

def F1Rumors(c):
    return list(F1Rumors_implementation(c))

def Edward(a):
    d = {}
    for elem in a:
        if elem in d:
            d[elem] += 1
        else:
            d[elem] = 1
    return [x for x, y in d.items() if y > 1]

def wordsmith(a):
    return pd.Series(a)[pd.Series(a).duplicated()].values

def NikhilPrabhu(li):
    li = li.copy()
    for x in set(li):
        li.remove(x)

    return list(set(li))

def firelynx(a):
    vc = pd.Series(a).value_counts()
    return vc[vc > 1].index.tolist()

def HenryDev(myList):
    newList = set()

    for i in myList:
        if myList.count(i) >= 2:
            newList.add(i)

    return list(newList)

def yota(number_lst):
    seen_set = set()
    duplicate_set = set(x for x in number_lst if x in seen_set or seen_set.add(x))
    return seen_set - duplicate_set

def IgorVishnevskiy(l):
    s=set(l)
    d=[]
    for x in l:
        if x in s:
            s.remove(x)
        else:
            d.append(x)
    return d

def it_duplicates(l):
    return list(duplicates(l))

def it_unique_duplicates(l):
    return list(unique_everseen(duplicates(l)))

Benchmark 1

from simple_benchmark import benchmark
import random

funcs = [
    georg_counter, georg_set, georg_set2, georg_set3, RiteshKumar_count, moooeeeep, 
    F1Rumors, Edward, wordsmith, NikhilPrabhu, firelynx,
    HenryDev, yota, IgorVishnevskiy, it_duplicates, it_unique_duplicates
]

args = {2**i: [random.randint(0, 2**(i-1)) for _ in range(2**i)] for i in range(2, 12)}

b = benchmark(funcs, args, 'list size')

b.plot()

Benchmark 2

funcs = [
    georg_counter, georg_set, georg_set2, georg_set3, moooeeeep, 
    F1Rumors, Edward, wordsmith, firelynx,
    yota, IgorVishnevskiy, it_duplicates, it_unique_duplicates
]

args = {2**i: [random.randint(0, 2**(i-1)) for _ in range(2**i)] for i in range(2, 20)}

b = benchmark(funcs, args, 'list size')
b.plot()

Disclaimer

^{1 This is from a third-party library I have written: iteration_utilities.}

Yes, and unfortunately you cannot turn them off, or any other special characters. The options under \View\Show Symbols only turns on or off things like tabs, spaces, EOL, etc. So if you want to read some obscure coding with text in it - you actually need to look elsewhere. I also looked at changing the coding, ASCII is not listed, and that would not make the mess invisible anyway.

Another way hasn't been given yet:

try:
    1/0
except Exception, e:
    print e.message

Output:

integer division or modulo by zero

args[0] might actually not be a message.

str(e) might return the string with surrounding quotes and possibly with the leading u if unicode:

'integer division or modulo by zero'

repr(e) gives the full exception representation which is not probably what you want:

"ZeroDivisionError('integer division or modulo by zero',)"

edit

My bad !!! It seems that BaseException.message has been deprecated from 2.6, finally, it definitely seems that there is still not a standardized way to display exception messages. So I guess the best is to do deal with e.args and str(e) depending on your needs (and possibly e.message if the lib you are using is relying on that mechanism).

For instance, with pygraphviz, e.message is the only way to display correctly the exception, using str(e) will surround the message with u''.

But with MySQLdb, the proper way to retrieve the message is e.args[1]: e.message is empty, and str(e) will display '(ERR_CODE, "ERR_MSG")'

There are various ways to accomplish this.

simplest-one

db.users.find({"name": /m/})

{ <field>: { $regex: /pattern/, $options: '<options>' } }
{ <field>: { $regex: 'pattern', $options: '<options>' } }
{ <field>: { $regex: /pattern/<options> } }

db.users.find({ "name": { $regex: "m"} })

More details can be found here https://docs.mongodb.com/manual/reference/operator/query/regex/

Ultimately you want to review the datetime documentation and become familiar with the formatting variables, but here are some examples to get you started:

import datetime

print('Timestamp: {:%Y-%m-%d %H:%M:%S}'.format(datetime.datetime.now()))
print('Timestamp: {:%Y-%b-%d %H:%M:%S}'.format(datetime.datetime.now()))
print('Date now: %s' % datetime.datetime.now())
print('Date today: %s' % datetime.date.today())

today = datetime.date.today()
print("Today's date is {:%b, %d %Y}".format(today))

schedule = '{:%b, %d %Y}'.format(today) + ' - 6 PM to 10 PM Pacific'
schedule2 = '{:%B, %d %Y}'.format(today) + ' - 1 PM to 6 PM Central'
print('Maintenance: %s' % schedule)
print('Maintenance: %s' % schedule2)

The output:

Timestamp: 2014-10-18 21:31:12

Timestamp: 2014-Oct-18 21:31:12

Date now: 2014-10-18 21:31:12.318340

Date today: 2014-10-18

Today's date is Oct, 18 2014

Maintenance: Oct, 18 2014 - 6 PM to 10 PM Pacific

Maintenance: October, 18 2014 - 1 PM to 6 PM Central

Reference link: https://docs.python.org/3.4/library/datetime.html#strftime-strptime-behavior

/*--------  Bootstrap Modal Popup in Center of Screen --------------*/
/*---------------extra css------*/
.modal {
    text-align: center;
    padding: 0 !important;
}
.modal:before {
    content: '';
    display: inline-block;
    height: 100%;
    vertical-align: middle;
    margin-right: -4px;
}
.modal-dialog {
    display: inline-block;
    text-align: left;
    vertical-align: middle;
}
/*----- Modal Popup -------*/
<div class="modal fade" role="dialog">
    <div class="modal-dialog" >
        <div class="modal-content">
            <div class="modal-header">
                <button type="button" class="close" data-dismiss="modal" aria-label="Close">
                    <span aria-hidden="true">×</span>
                </button>
                <h5 class="modal-title">Header</h5>
            </div>
            <div class="modal-body">
               body here     
             </div>
        <div class="modal-footer">            
            <button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button>
        </div>
    </div>
</div>
</div>

H H(5-21)/2 * * 1-5

MON-FRI build every 2 hour between

Short answer

Either:

• ,[\s\S]*$ or ,.*$ to match everything after the first comma (see explanation for which one to use); or

• [^,]*$ to match everything after the last comma (which is probably what you want).

You can use, for example, /[^,]*/.exec(s)[0] in JavaScript, where s is the original string. If you wanted to use multiline mode and find all matches that way, you could use s.match(/[^,]*/mg) to get an array (if you have more than one of your posted example lines in the variable on separate lines).

Explanation

• [\s\S] is a character class that matches both whitespace and non-whitespace characters (i.e. all of them). This is different from . in that it matches newlines.
• [^,] is a negated character class that matches everything except for commas.
• * means that the previous item can repeat 0 or more times.
• $ is the anchor that requires that the end of the match be at the end of the string (or end of line if using the /m multiline flag).

For the first match, the first regex finds the first comma , and then matches all characters afterward until the end of line [\s\S]*$, including commas.

The second regex matches as many non-comma characters as possible before the end of line. Thus, the entire match will be after the last comma.

You cannot do so - the browser will not allow this because of security concerns. Although there are workarounds, the fact is that you shouldn't count on this working. The following Stack Overflow questions are relevant here:

• full path from file input using jquery
• How to get the file path from HTML input form in Firefox 3

In addition to these, the new HTML5 specification states that browsers will need to feed a Windows compatible fakepath into the input type="file" field, ostensibly for backward compatibility reasons.

• http://lists.whatwg.org/htdig.cgi/whatwg-whatwg.org/2009-March/018981.html
• The Mystery of c:\fakepath Unveiled

So trying to obtain the path is worse then useless in newer browsers - you'll actually get a fake one instead.

On Windows do the following:

1. Unzip or extract the JAR file using WinZip / Java JAR command.
2. Drag and Drop one of the class files into your Eclipse Java project.
3. Open the class file.

Now Eclipse will show the exact major and minor version.

Firstly, the Instagram API endpoint "tags" required OAuth authentication.

You can query results for a particular hashtag (snowy in this case) using the following url

It is rate limited to 5000 (X-Ratelimit-Limit:5000) per hour

https://api.instagram.com/v1/tags/snowy/media/recent

Sample response

{
  "pagination":  {
    "next_max_tag_id": "1370433362010",
    "deprecation_warning": "next_max_id and min_id are deprecated for this endpoint; use min_tag_id and max_tag_id instead",
    "next_max_id": "1370433362010",
    "next_min_id": "1370443976800",
    "min_tag_id": "1370443976800",
    "next_url": "https://api.instagram.com/v1/tags/snowy/media/recent?access_token=40480112.1fb234f.4866541998fd4656a2e2e2beaa5c4bb1&max_tag_id=1370433362010"
  },
  "meta":  {
    "code": 200
  },
  "data":  [
     {
      "attribution": null,
      "tags":  [
        "snowy"
      ],
      "type": "image",
      "location": null,
      "comments":  {
        "count": 0,
        "data":  []
      },
      "filter": null,
      "created_time": "1370418343",
      "link": "http://instagram.com/p/aK1yrGRi3l/",
      "likes":  {
        "count": 1,
        "data":  [
           {
            "username": "iri92lol",
            "profile_picture": "http://images.ak.instagram.com/profiles/profile_404174490_75sq_1370417509.jpg",
            "id": "404174490",
            "full_name": "Iri"
          }
        ]
      },
      "images":  {
        "low_resolution":  {
          "url": "http://distilleryimage1.s3.amazonaws.com/ecf272a2cdb311e2990322000a9f192c_6.jpg",
          "width": 306,
          "height": 306
        },
        "thumbnail":  {
          "url": "http://distilleryimage1.s3.amazonaws.com/ecf272a2cdb311e2990322000a9f192c_5.jpg",
          "width": 150,
          "height": 150
        },
        "standard_resolution":  {
          "url": "http://distilleryimage1.s3.amazonaws.com/ecf272a2cdb311e2990322000a9f192c_7.jpg",
          "width": 612,
          "height": 612
        }
      },
      "users_in_photo":  [],
      "caption":  {
        "created_time": "1370418353",
        "text": "#snowy",
        "from":  {
          "username": "iri92lol",
          "profile_picture": "http://images.ak.instagram.com/profiles/profile_404174490_75sq_1370417509.jpg",
          "id": "404174490",
          "full_name": "Iri"
        },
        "id": "471425773832908504"
      },
      "user_has_liked": false,
      "id": "471425689728724453_404174490",
      "user":  {
        "username": "iri92lol",
        "website": "",
        "profile_picture": "http://images.ak.instagram.com/profiles/profile_404174490_75sq_1370417509.jpg",
        "full_name": "Iri",
        "bio": "",
        "id": "404174490"
      }
    }
}

You can play around here :

https://apigee.com/console/instagram?req=%7B%22resource%22%3A%22get_tags_media_recent%22%2C%22params%22%3A%7B%22query%22%3A%7B%7D%2C%22template%22%3A%7B%22tag-name%22%3A%22snowy%22%7D%2C%22headers%22%3A%7B%7D%2C%22body%22%3A%7B%22attachmentFormat%22%3A%22mime%22%2C%22attachmentContentDisposition%22%3A%22form-data%22%7D%7D%2C%22verb%22%3A%22get%22%7D

You need to use "Authentication" as OAuth 2 and will be prompted to signin via Instagram. Post that you might have to reneter the "tag-name" in "Template" section.

All the pagination related data is available in the "pagination" parameter in the response and use it's "next_url" to query for the next set of result.

You go into ~/.janus and run:

git submodule add <git@github ...> snipmate-snippets/snippets/

If you need more information about submodules (or git in general) ProGit is pretty useful.

The most concise solution I have found uses Sympy: https://www.geeksforgeeks.org/python-sympy-line-intersection-method/

# import sympy and Point, Line 
from sympy import Point, Line 
  
p1, p2, p3 = Point(0, 0), Point(1, 1), Point(7, 7) 
l1 = Line(p1, p2) 
  
# using intersection() method 
showIntersection = l1.intersection(p3) 
  
print(showIntersection) 

PHP file (for example, my_lengthy_script.php)

ini_set('max_execution_time', 300); //300 seconds = 5 minutes

.htaccess file

<IfModule mod_php5.c>
php_value max_execution_time 300
</IfModule>

More configuration options

<IfModule mod_php5.c>
php_value post_max_size 5M
php_value upload_max_filesize 5M
php_value memory_limit 128M
php_value max_execution_time 300
php_value max_input_time 300
php_value session.gc_maxlifetime 1200
</IfModule>

If wordpress, set this in the config.php file,

define('WP_MEMORY_LIMIT', '128M');

If drupal, sites/default/settings.php

ini_set('memory_limit', '128M');

If you are using other frameworks,

ini_set('memory_limit', '128M');

You can increase memory as gigabyte.

ini_set('memory_limit', '3G'); // 3 Gigabytes

259200 means:-

( 259200/(60x60 minutes) ) / 24 hours ===> 3 Days

More details on my blog

When the user session times out, I send back an HTTP 204 status code. Note that the HTTP 204 status contains no content. On the client-side I do this:

xhr.send(null);
if (xhr.status == 204) 
    Reload();
else 
    dropdown.innerHTML = xhr.responseText;

Here is the Reload() function:

function Reload() {
    var oForm = document.createElement("form");
    document.body.appendChild(oForm);
    oForm.submit();
    }

I can't answer all questions, but I will do my best.

As you already know, WS is only a persistent full-duplex TCP connection with framed messages where the initial handshaking is HTTP-like. You need some server that's listening for incoming WS requests and that binds a handler to them.

Now it might be possible with Apache HTTP Server, and I've seen some examples, but there's no official support and it gets complicated. What would Apache do? Where would be your handler? There's a module that forwards incoming WS requests to an external shared library, but this is not necessary with the other great tools to work with WS.

WS server trends now include: Autobahn (Python) and Socket.IO (Node.js = JavaScript on the server). The latter also supports other hackish "persistent" connections like long polling and all the COMET stuff. There are other little known WS server frameworks like Ratchet (PHP, if you're only familiar with that).

In any case, you will need to listen on a port, and of course that port cannot be the same as the Apache HTTP Server already running on your machine (default = 80). You could use something like 8080, but even if this particular one is a popular choice, some firewalls might still block it since it's not supposed to be Web traffic. This is why many people choose 443, which is the HTTP Secure port that, for obvious reasons, firewalls do not block. If you're not using SSL, you can use 80 for HTTP and 443 for WS. The WS server doesn't need to be secure; we're just using the port.

Edit: According to Iharob Al Asimi, the previous paragraph is wrong. I have no time to investigate this, so please see his work for more details.

About the protocol, as Wikipedia shows, it looks like this:

Client sends:

GET /mychat HTTP/1.1
Host: server.example.com
Upgrade: websocket
Connection: Upgrade
Sec-WebSocket-Key: x3JJHMbDL1EzLkh9GBhXDw==
Sec-WebSocket-Protocol: chat
Sec-WebSocket-Version: 13
Origin: http://example.com

Server replies:

HTTP/1.1 101 Switching Protocols
Upgrade: websocket
Connection: Upgrade
Sec-WebSocket-Accept: HSmrc0sMlYUkAGmm5OPpG2HaGWk=
Sec-WebSocket-Protocol: chat

and keeps the connection alive. If you can implement this handshaking and the basic message framing (encapsulating each message with a small header describing it), then you can use any client-side language you want. JavaScript is only used in Web browsers because it's built-in.

As you can see, the default "request method" is an initial HTTP GET, although this is not really HTTP and looses everything in common with HTTP after this handshaking. I guess servers that do not support

Upgrade: websocket
Connection: Upgrade

will reply with an error or with a page content.

Accepted answer is outdated.

If you use MySQL 5.5.3+, use utf8mb4_unicode_ci instead of utf8_unicode_ci to ensure the characters typed by your users won't give you errors.

utf8mb4 supports emojis for example, whereas utf8 might give you hundreds of encoding-related bugs like:

Incorrect string value: ‘\xF0\x9F\x98\x81…’ for column ‘data’ at row 1

var myDate = DateTime.Now;
var startOfMonth = new DateTime(myDate.Year, myDate.Month, 1);
var endOfMonth = startOfMonth.AddMonths(1).AddDays(-1);

That should give you what you need.

For those looking for the Firebase Firestore equivalent. It's

firebase.firestore.FieldValue.serverTimestamp()

e.g.

firebase.firestore().collection("cities").add({
    createdAt: firebase.firestore.FieldValue.serverTimestamp(),
    name: "Tokyo",
    country: "Japan"
})
.then(function(docRef) {
    console.log("Document written with ID: ", docRef.id);
})
.catch(function(error) {
    console.error("Error adding document: ", error);
});

Docs

In my case, I was using the Docker method for the AWS CLI tool, and I hadn't read the instructions far enough to realize that I had to make my credentials directory visible to the docker container. https://docs.aws.amazon.com/cli/latest/userguide/install-cliv2-docker.html

Instead of

docker run --rm -it amazon/aws-cli:latest command args...

I needed to do:

docker run --rm -it -v ~/.aws:/root/.aws amazon/aws-cli:latest command args...

The form tag needs some attributes set:

1. action: The URL that the form data is sent to on submit. Generate it with url_for. It can be omitted if the same URL handles showing the form and processing the data.
2. method="post": Submits the data as form data with the POST method. If not given, or explicitly set to get, the data is submitted in the query string (request.args) with the GET method instead.
3. enctype="multipart/form-data": When the form contains file inputs, it must have this encoding set, otherwise the files will not be uploaded and Flask won't see them.

The input tag needs a name parameter.

Add a view to handle the submitted data, which is in request.form under the same key as the input's name. Any file inputs will be in request.files.

@app.route('/handle_data', methods=['POST'])
def handle_data():
    projectpath = request.form['projectFilepath']
    # your code
    # return a response

Set the form's action to that view's URL using url_for:

<form action="{{ url_for('handle_data') }}" method="post">
    <input type="text" name="projectFilepath">
    <input type="submit">
</form>

You can simply get it in the format you want.

String date = String.valueOf(android.text.format.DateFormat.format("dd-MM-yyyy", new java.util.Date()));

Not with a regular statement, no.

What you can do is wrap the functionality in a PL/pgsql function (or another language, but PL/pgsql seems to be the most appropriate for this), and then just call that function. That means it'll still be a single statement to your app.

The method works if you provide an array. The output of

String[] helloWorld = {"Hello", "World"};
System.out.println(helloWorld);
System.out.println(Arrays.toString(helloWorld));

is

[Ljava.lang.String;@45a877
[Hello, World]

(the number after @ is almost always different)

Please tell us the return type of Employee.getSelectCancel()

Adding the jquery*.js file reference twice can also cause the issue. It could be part of your bundle and you might have added to the page too. Hence you need to remove the additional reference like

A POST request can include a query string, however normally it doesn't - a standard HTML form with a POST action will not normally include a query string for example.

If you run code in a thread, e.g. do delaying some action, then you need to invoke runOnUiThread from the context. For example, if your code is inside MainActivity class then use this:

MainActivity.this.runOnUiThread(new Runnable() {
    @Override
    public void run() {
        myAction();
    }
});

If your method can be invoked either from main (UI thread) or from other threads you need a check like:

public void myMethod() {
   if( Looper.myLooper() == Looper.getMainLooper() ) {
       myAction();
   }
   else {

}

nano ~/.profile

add these lines:

export PATH="$HOME/.linuxbrew/bin:$PATH"
export MANPATH="$HOME/.linuxbrew/share/man:$MANPATH"
export INFOPATH="$HOME/.linuxbrew/share/info:$INFOPATH"

save the file:

Ctrl + X then Y then Enter

then render the changes:

source ~/.profile

The difference between MyString[0] and MyString.ToCharArray()[0] is that the former treats the string as a read-only array, while ToCharArray() creates a new array. The former will be quicker (along with easier) for almost anything where it will work, but ToCharArray can be necessary if you have a method that needs to accept an array, or if you want to change the array.

If the string isn't known to be non-null and non-empty you could do:

string.IsNullOrEmpty(MyString) ? (char?)null : MyString[0]

which returns a char? of either null or the first character in the string, as appropriate.

The new git-switch command (starting in GIT 2.23) also has a flag --discard-changes which should help you. git pull might be necessary afterwards.

Warning: it's still considered to be experimental.

Answer from Varun Rathore is OK but you must consider that starting from Windows Server 2008 R2 and higher the SQLServer service will run under a local virtual account and not anymore under the old well known "NETWORK SERVICE". Due to this, to switch a newly attached DB to "not read only mode", you must setup permissions on the ldf and mdf files for local machine user line "NT SERVICE\MSSQLSERVER" where MSSQLSERVER would be the service name in a pretty standard installation.

Checkout this https://docs.microsoft.com/en-us/sql/database-engine/configure-windows/configure-windows-service-accounts-and-permissions#VA_Desc for details configuring service permissions

Use git filter-branch with an env filter that sets GIT_AUTHOR_DATE and GIT_COMMITTER_DATE for the specific hash of the commit you're looking to fix.

This will invalidate that and all future hashes.

Example:

If you wanted to change the dates of commit 119f9ecf58069b265ab22f1f97d2b648faf932e0, you could do so with something like this:

git filter-branch --env-filter \
    'if [ $GIT_COMMIT = 119f9ecf58069b265ab22f1f97d2b648faf932e0 ]
     then
         export GIT_AUTHOR_DATE="Fri Jan 2 21:38:53 2009 -0800"
         export GIT_COMMITTER_DATE="Sat May 19 01:01:01 2007 -0700"
     fi'

You're comparing apples to oranges here:

• webHttpBinding is the REST-style binding, where you basically just hit a URL and get back a truckload of XML or JSON from the web service

• basicHttpBinding and wsHttpBinding are two SOAP-based bindings which is quite different from REST. SOAP has the advantage of having WSDL and XSD to describe the service, its methods, and the data being passed around in great detail (REST doesn't have anything like that - yet). On the other hand, you can't just browse to a wsHttpBinding endpoint with your browser and look at XML - you have to use a SOAP client, e.g. the WcfTestClient or your own app.

So your first decision must be: REST vs. SOAP (or you can expose both types of endpoints from your service - that's possible, too).

Then, between basicHttpBinding and wsHttpBinding, there differences are as follows:

• basicHttpBinding is the very basic binding - SOAP 1.1, not much in terms of security, not much else in terms of features - but compatible to just about any SOAP client out there --> great for interoperability, weak on features and security

• wsHttpBinding is the full-blown binding, which supports a ton of WS-* features and standards - it has lots more security features, you can use sessionful connections, you can use reliable messaging, you can use transactional control - just a lot more stuff, but wsHttpBinding is also a lot *heavier" and adds a lot of overhead to your messages as they travel across the network

For an in-depth comparison (including a table and code examples) between the two check out this codeproject article: Differences between BasicHttpBinding and WsHttpBinding

targetList = sourceList.stream().flatmap(List::stream).collect(Collectors.toList());

Yes - it appears you forgot to add yourself to the sysadmin role when installing SQL Server. If you are a local administrator on your machine, this blog post can help you use SQLCMD to get your account into the SQL Server sysadmin group without having to reinstall. It's a bit of a security hole in SQL Server, if you ask me, but it'll help you out in this case.

git push --set-upstream origin <branch_name>_test

--set-upstream sets the association between your local branch and the remote. You only have to do it the first time. On subsequent pushes you can just do:

git push

If you don't have origin set yet, use:

git remote add origin <repository_url> then retry the above command.

You can use System.setProperty("java.net.preferIPv4Stack" , "true");

This is equivalent to passing it in the command line via -Djava.net.preferIPv4Stack=true

file_path = "/path/to/yourfile.txt"
with open(file_path, 'a') as file:
    file.write("This will be added to the next line\n")

or

log_file = open('log.txt', 'a')
log_file.write("This will be added to the next line\n")

This will gives you basic idea

    String str="";
    String str1="";
    Scanner S=new Scanner(System.in);
    System.out.println("Enter the string");
    str=S.nextLine();
    int length=str.length();
    for(int i=0;i<length;i++)
    {
        str1=str.substring(1, length-1);
    }
    System.out.println(str1);

In your main.xml include the following in your ListView:

android:drawSelectorOnTop="false"

android:listSelector="@android:color/darker_gray"

Remove the extension altogether and then double-click it. Most system shell scripts are like this. As long as it has a shebang it will work.

[Update Sept 2020] Although my original answer here, from many years ago, seems to be helpful and is still getting upvotes, I now use the GSON library from Google, which I find to be more intuitive.

I've got the following code:

public void testJackson() throws IOException {  
    ObjectMapper mapper = new ObjectMapper(); 
    File from = new File("albumnList.txt"); 
    TypeReference<HashMap<String,Object>> typeRef 
            = new TypeReference<HashMap<String,Object>>() {};

    HashMap<String,Object> o = mapper.readValue(from, typeRef); 
    System.out.println("Got " + o); 
}   

It's reading from a file, but mapper.readValue() will also accept an InputStream and you can obtain an InputStream from a string by using the following:

new ByteArrayInputStream(astring.getBytes("UTF-8")); 

There's a bit more explanation about the mapper on my blog.

I've had something similar before and used normally tags

<a href="path_of_your_pdf/your_pdf_file.pdf" tabindex="-1"><strong>click here</strong></a>

but it's interesting to find out some other ways as above!

In PostgreSQL 9.2 and above, to disconnect everything except your session from the database you are connected to:

SELECT pg_terminate_backend(pg_stat_activity.pid)
FROM pg_stat_activity
WHERE datname = current_database()
  AND pid <> pg_backend_pid();

In older versions it's the same, just change pid to procpid. To disconnect from a different database just change current_database() to the name of the database you want to disconnect users from.

You may want to REVOKE the CONNECT right from users of the database before disconnecting users, otherwise users will just keep on reconnecting and you'll never get the chance to drop the DB. See this comment and the question it's associated with, How do I detach all other users from the database.

If you just want to disconnect idle users, see this question.

In mycase, with tree command

Relative path

tree -ifF ./dir | grep -v '^./dir$' | grep -v '.*/$' | grep '\./.*' | while read file; do
  echo $file
done

Absolute path

tree -ifF ./dir | grep -v '^./dir$' | grep -v '.*/$' | grep '\./.*' | while read file; do
  echo $file | sed -e "s|^.|$PWD|g"
done

You can also do this in a .htaccess file assuming they are enabled on the website.

SetEnv KOHANA_ENV production

Would be all you need to add to a .htaccess to add the environment variable

Taking Six' answer I think we could simplify somehow, an important issue as newcomers are lost in highly technical matters.

Here what I finally will use to wait for my connection (3G, slow) to be established once a day for my PV monitoring.

Works under Pyth3 with Raspbian 3.4.2

from urllib.request import urlopen
from time import sleep
urltotest=http://www.lsdx.eu             # my own web page
nboftrials=0
answer='NO'
while answer=='NO' and nboftrials<10:
    try:
        urlopen(urltotest)
        answer='YES'
    except:
        essai='NO'
        nboftrials+=1
        sleep(30)       

maximum running: 5 minutes if reached I will try in one hour's time but its another bit of script!

Try this, I think this is a natively way to concatenate strings in Kotlin:

val result = buildString{
    append("a")
    append("b")
}

println(result)

// you will see "ab" in console.

If for some reason the other solutions don't work for you, you could use a contenteditable-span instead of an input element.

<span contenteditable="true">dummy text</span>

Note that this is more of a hack and has the severe drawback of allowing totally unsanitized HTML input like letting users enter (and paste) linebreaks, links and other HTML.

So you probably shouldn't use this solution unless you're very carefully sanitising the input...

Update: you probably want to use DreamTeK's solution below.

You can truncate the date part:

select * from table1 where trunc(field1) = to_date('2012-01-01', 'YYYY-MM-DD')

The trouble with this approach is that any index on field1 wouldn't be used due to the function call.

Alternatively (and more index friendly)

select * from table1 
 where field1 >= to_timestamp('2012-01-01', 'YYYY-MM-DD') 
   and field1 < to_timestamp('2012-01-02', 'YYYY-MM-DD')

To make sure it does not fail for string, date and timestamp columns:

import pyspark.sql.functions as F
def count_missings(spark_df,sort=True):
    """
    Counts number of nulls and nans in each column
    """
    df = spark_df.select([F.count(F.when(F.isnan(c) | F.isnull(c), c)).alias(c) for (c,c_type) in spark_df.dtypes if c_type not in ('timestamp', 'string', 'date')]).toPandas()

    if len(df) == 0:
        print("There are no any missing values!")
        return None

    if sort:
        return df.rename(index={0: 'count'}).T.sort_values("count",ascending=False)

    return df

If you want to see the columns sorted based on the number of nans and nulls in descending:

count_missings(spark_df)

# | Col_A | 10 |
# | Col_C | 2  |
# | Col_B | 1  | 

If you don't want ordering and see them as a single row:

count_missings(spark_df, False)
# | Col_A | Col_B | Col_C |
# |  10   |   1   |   2   |

Check out this answer on SuperUser:

In short: Reinstall both IIS and WAS.

In details -

Step 1

Go to "Add remove programs" "Turn windows features on or off" Remove both IIS and WAS (Windows Process Activation Service) Restart the PC Step 2

Go to "Add remove programs" "Turn windows features on or off" Turn on both IIS and WAS (Windows Process Activation Service) Note: Reinstalling IIS alone won't help. You have to reinstall both IIS and WAS

This approach fixed the problem for me.

android:background="#E1E1E1" 
// background add in layout
<EditText
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:background="#ffffff">
</EditText>

This code is all you need:

   static void Main(string[] args) {
        String xml = @"
            <transactions>
                <transaction name=""Fred"" amount=""5,20"" />
                <transaction name=""John"" amount=""10,00"" />
                <transaction name=""Fred"" amount=""3,00"" />
            </transactions>";

        XDocument xmlDocument = XDocument.Parse(xml);

        var query = from x in xmlDocument.Descendants("transaction")
                    group x by x.Attribute("name").Value into g
                    select new { Name = g.Key, Amount = g.Sum(t => Decimal.Parse(t.Attribute("amount").Value)) };

        foreach (var item in query) {
            Console.WriteLine("Name: {0}; Amount: {1:C};", item.Name, item.Amount);
        }
    }

And the content is:

Name: Fred; Amount: R$ 8,20;
Name: John; Amount: R$ 10,00;

That is the way of doing this in C# - in a declarative way!

I hope this helps,

Ricardo Lacerda Castelo Branco

This is the simplest way we can add an element after another one using vanilla javascript

var d1 = document.getElementById('one');
d1.insertAdjacentHTML('afterend', '<div id="two">two</div>');

Reference: https://developer.mozilla.org/en-US/docs/Web/API/Element/insertAdjacentHTML

If by all permissions you mean 777

Navigate to folder and

chmod -R 777 .

You can switch between windows as below:

// Store the current window handle
String winHandleBefore = driver.getWindowHandle();

// Perform the click operation that opens new window

// Switch to new window opened
for(String winHandle : driver.getWindowHandles()){
    driver.switchTo().window(winHandle);
}

// Perform the actions on new window

// Close the new window, if that window no more required
driver.close();

// Switch back to original browser (first window)
driver.switchTo().window(winHandleBefore);

// Continue with original browser (first window)

From what I've seen, the void operator has 3 common uses in JavaScript. The one that you're referring to, <a href="javascript:void(0)"> is a common trick to make an <a> tag a no-op. Some browsers treat <a> tags differently based on whether they have a href , so this is a way to create a link with a href that does nothing.

The void operator is a unary operator that takes an argument and returns undefined. So var x = void 42; means x === undefined. This is useful because, outside of strict mode, undefined is actually a valid variable name. So some JavaScript developers use void 0 instead of undefined. In theory, you could also do <a href="javascript:undefined"> and it would so the same thing as void(0).

a = raw_input('hex number\n')
length = len(a)
ab = bin(int(a, 16))[2:]
while len(ab)<(length * 4):
    ab = '0' + ab
print ab

This looks like a prime candidate for separating the presentation from the data model. In this case, your preferences should be stored in a separate class that fires event updates whenever a particular property changes (look into INotifyPropertyChanged if your properties are a discrete set, or into a single event if they are more free-form text-based keys).

In your tree view, you'll make the changes to your preferences model, it will then fire an event. In your other forms, you'll subscribe to the changes that you're interested in. In the event handler you use to subscribe to the property changes, you use this.InvokeRequired to see if you are on the right thread to make the UI call, if not, then use this.BeginInvoke to call the desired method to update the form.

YouTube Data API v3 URL Sample

Source Link

https://www.googleapis.com/youtube/v3/videos?key=[YOUR_API_KEY_HERE]&fields=items(snippet(title,tags,channelTitle,publishedAt),statistics(viewCount))&part=snippet,statistics&id=[VIDEOID]

This is a part from a REST-Service I´ve written recently.

var select = $("#productSelect")
for (var prop in data) {
    var option = document.createElement('option');
    option.innerHTML = data[prop].ProduktName
    option.value = data[prop].ProduktName;
    select.append(option)
}

The reason why im posting this is because appendChild() wasn´t working in my case so I decided to put up another possibility that works aswell.

EDIT: added a new example for ggplot2 at the end

See ?plotmath for the different mathematical operations in R

You should be able to use expression without paste. If you use the tilda (~) symbol within the expression function it will assume there is a space between the characters, or you could use the * symbol and it won't put a space between the arguments

Sometimes you will need to change the margins in you're putting superscripts on the y-axis.

par(mar=c(5, 4.3, 4, 2) + 0.1)
plot(1:10, xlab = expression(xLab ~ x^2 ~ m^-2),
     ylab = expression(yLab ~ y^2 ~ m^-2),
     main="Plot 1")

plot(1:10, xlab = expression(xLab * x^2 * m^-2),
     ylab = expression(yLab * y^2 * m^-2),
     main="Plot 2")

plot(1:10, xlab = expression(xLab ~ x^2 * m^-2),
     ylab = expression(yLab ~ y^2 * m^-2),
     main="Plot 3")

Hopefully you can see the differences between plots 1, 2 and 3 with the different uses of the ~ and * symbols. An extra note, you can use other symbols such as plotting the degree symbol for temperatures for or mu, phi. If you want to add a subscript use the square brackets.

plot(1:10, xlab = expression('Your x label' ~ mu[3] * phi),
     ylab = expression("Temperature (" * degree * C *")"))

Here is a ggplot example using expression with a nonsense example

require(ggplot2)

Or if you have the pacman library installed you can use p_load to automatically download and load and attach add-on packages

# require(pacman)
# p_load(ggplot2)

data = data.frame(x = 1:10, y = 1:10)

ggplot(data, aes(x,y)) + geom_point() + 
  xlab(expression(bar(yourUnits) ~ g ~ m^-2 ~ OR ~ integral(f(x)*dx, a,b))) + 
  ylab(expression("Biomass (g per" ~ m^3 *")")) + theme_bw()

you can run raw query like this way too.

DB::table('setting_colleges')->first();

Results

Spreadsheet version

Alternatively, in plain text: (also available as a a screenshot)

                         Bracket Matching -.  .- Line Numbering
                          Smart Indent -.  |  |  .- UML Editing / Viewing
         Source Control Integration -.  |  |  |  |  .- Code Folding
                    Error Markup -.  |  |  |  |  |  |  .- Code Templates
  Integrated Python Debugging -.  |  |  |  |  |  |  |  |  .- Unit Testing
    Multi-Language Support -.  |  |  |  |  |  |  |  |  |  |  .- GUI Designer (Qt, Eric, etc)
   Auto Code Completion -.  |  |  |  |  |  |  |  |  |  |  |  |  .- Integrated DB Support
     Commercial/Free -.  |  |  |  |  |  |  |  |  |  |  |  |  |  |  .- Refactoring
   Cross Platform -.  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |     
                  +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
Atom              |Y |F |Y |Y*|Y |Y |Y |Y |Y |Y |  |Y |Y |  |  |  |  |*many plugins
Editra            |Y |F |Y |Y |  |  |Y |Y |Y |Y |  |Y |  |  |  |  |  |
Emacs             |Y |F |Y |Y |Y |Y |Y |Y |Y |Y |Y |Y |Y |Y |  |  |  |
Eric Ide          |Y |F |Y |  |Y |Y |  |Y |  |Y |  |Y |  |Y |  |  |  |
Geany             |Y |F |Y*|Y |  |  |  |Y |Y |Y |  |Y |  |  |  |  |  |*very limited
Gedit             |Y |F |Y¹|Y |  |  |  |Y |Y |Y |  |  |Y²|  |  |  |  |¹with plugin; ²sort of
Idle              |Y |F |Y |  |Y |  |  |Y |Y |  |  |  |  |  |  |  |  |
IntelliJ          |Y |CF|Y |Y |Y |Y |Y |Y |Y |Y |Y |Y |Y |Y |Y |Y |Y |
JEdit             |Y |F |  |Y |  |  |  |  |Y |Y |  |Y |  |  |  |  |  |
KDevelop          |Y |F |Y*|Y |  |  |Y |Y |Y |Y |  |Y |  |  |  |  |  |*no type inference
Komodo            |Y |CF|Y |Y |Y |Y |Y |Y |Y |Y |  |Y |Y |Y |  |Y |  |
NetBeans*         |Y |F |Y |Y |Y |  |Y |Y |Y |Y |Y |Y |Y |Y |  |  |Y |*pre-v7.0
Notepad++         |W |F |Y |Y |  |Y*|Y*|Y*|Y |Y |  |Y |Y*|  |  |  |  |*with plugin
Pfaide            |W |C |Y |Y |  |  |  |Y |Y |Y |  |Y |Y |  |  |  |  |
PIDA              |LW|F |Y |Y |  |  |  |Y |Y |Y |  |Y |  |  |  |  |  |VIM based
PTVS              |W |F |Y |Y |Y |Y |Y |Y |Y |Y |  |Y |  |  |Y*|  |Y |*WPF bsed
PyCharm           |Y |CF|Y |Y*|Y |Y |Y |Y |Y |Y |Y |Y |Y |Y |Y |Y |Y |*JavaScript
PyDev (Eclipse)   |Y |F |Y |Y |Y |Y |Y |Y |Y |Y |Y |Y |Y |Y |  |  |  |
PyScripter        |W |F |Y |  |Y |Y |  |Y |Y |Y |  |Y |Y |Y |  |  |  |
PythonWin         |W |F |Y |  |Y |  |  |Y |Y |  |  |Y |  |  |  |  |  |
SciTE             |Y |F¹|  |Y |  |Y |  |Y |Y |Y |  |Y |Y |  |  |  |  |¹Mac version is
ScriptDev         |W |C |Y |Y |Y |Y |  |Y |Y |Y |  |Y |Y |  |  |  |  |    commercial
Spyder            |Y |F |Y |  |Y |Y |  |Y |Y |Y |  |  |  |  |  |  |  |
Sublime Text      |Y |CF|Y |Y |  |Y |Y |Y |Y |Y |  |Y |Y |Y*|  |  |  |extensible w/Python,
TextMate          |M |F |  |Y |  |  |Y |Y |Y |Y |  |Y |Y |  |  |  |  |    *PythonTestRunner
UliPad            |Y |F |Y |Y |Y |  |  |Y |Y |  |  |  |Y |Y |  |  |  |
Vim               |Y |F |Y |Y |Y |Y |Y |Y |Y |Y |  |Y |Y |Y |  |  |  |
Visual Studio     |W |CF|Y |Y |Y |Y |Y |Y |Y |Y |? |Y |? |? |Y |? |Y |
Visual Studio Code|Y |F |Y |Y |Y |Y |Y |Y |Y |Y |? |Y |? |? |? |? |Y |uses plugins
WingIde           |Y |C |Y |Y*|Y |Y |Y |Y |Y |Y |  |Y |Y |Y |  |  |  |*support for C
Zeus              |W |C |  |  |  |  |Y |Y |Y |Y |  |Y |Y |  |  |  |  |
                  +--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
   Cross Platform -'  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |     
     Commercial/Free -'  |  |  |  |  |  |  |  |  |  |  |  |  |  |  '- Refactoring
   Auto Code Completion -'  |  |  |  |  |  |  |  |  |  |  |  |  '- Integrated DB Support
    Multi-Language Support -'  |  |  |  |  |  |  |  |  |  |  '- GUI Designer (Qt, Eric, etc)
  Integrated Python Debugging -'  |  |  |  |  |  |  |  |  '- Unit Testing
                    Error Markup -'  |  |  |  |  |  |  '- Code Templates
         Source Control Integration -'  |  |  |  |  '- Code Folding
                          Smart Indent -'  |  |  '- UML Editing / Viewing
                         Bracket Matching -'  '- Line Numbering

Acronyms used:

 L  - Linux
 W  - Windows
 M  - Mac
 C  - Commercial
 F  - Free
 CF - Commercial with Free limited edition
 ?  - To be confirmed

I don't mention basics like syntax highlighting as I expect these by default.

This is a just dry list reflecting your feedback and comments, I am not advocating any of these tools. I will keep updating this list as you keep posting your answers.

PS. Can you help me to add features of the above editors to the list (like auto-complete, debugging, etc.)?

We have a comprehensive wiki page for this question https://wiki.python.org/moin/IntegratedDevelopmentEnvironments

Submit edits to the spreadsheet

JAX-RS but you can also use regular DOM that comes with standard Java

I know about Android ICS that it uses a custom service called: NetworkTimeUpdateService. This service also implements a NTP time synchronization via the NtpTrustedTime singleton.

In NtpTrustedTime the default NTP server is requested from the Android system string source:

final Resources res = context.getResources();

final String defaultServer = res.getString(
                                com.android.internal.R.string.config_ntpServer);

If the automatic time sync option in the system settings is checked and no NITZ time service is available then the time will be synchronized with the NTP server from com.android.internal.R.string.config_ntpServer.

To get the value of com.android.internal.R.string.config_ntpServer you can use the following method:

    final Resources res = this.getResources();
    final int id = Resources.getSystem().getIdentifier(
                       "config_ntpServer", "string","android");
    final String defaultServer = res.getString(id);

On Kubuntu, my path to the library changed because of installing another Java version. Here's the whole picture, but in short:

sudo apt-get install libsvn-java
sudo find / -name libsvnjavahl-1.so

The output from the last command could look like this, for example:

/usr/lib/x86_64-linux-gnu/jni/libsvnjavahl-1.so

This gives you the path, so you can add the following to your eclipse.ini:

-Djava.library.path=/usr/lib/x86_64-linux-gnu/jni/

case 
    when a.REASONID in ('02','03','04','05','06') then
        case b.CALSOC 
            when '1' then 'yes' 
            when '2' then 'no' 
            else 'no' 
        end
    else 'no' 
end 

Another problem is that CSS has to be defined outside component scope, breaking component encapsulation

This is not true. With scss (SASS) you can easily style the component (itself;host) as so:

:host {
    display: block;
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
    visibility: hidden;

    &.someClass {
        visibility: visible;
    }
}

This way the encapsulation is "unbroken".

Complete reference is not available for the mentioned files, as they are extensible by various plug-ins.

Basically, .project files store project-settings, such as builder and project nature settings, while .classpath files define the classpath to use during running. The classpath files contains src and target entries that correspond with folders in the project; the con entries are used to describe some kind of "virtual" entries, such as the JVM libs or in case of eclipse plug-ins dependencies (normal Java project dependencies are displayed differently, using a special src entry).

You're trying to access an element based on the name attribute which works for postbacks to the server, but JavaScript responds to the id attribute. Add an id with the same value as name and all should work fine.

<form name="myform" id="myform" action="action.php">
  <input type="hidden" name="myinput" id="myinput" value="0" />
  <input type="text" name="message" id="message" value="" />
  <input type="submit" name="submit" id="submit" onclick="DoSubmit()" />
</form>

function DoSubmit(){
  document.getElementById("myinput").value = '1';
  return true;
}

Specifying inheritance in the FileSystemAccessRule() constructor fixes this, as demonstrated by the modified code below (notice the two new constuctor parameters inserted between "FullControl" and "Allow").

$Acl = Get-Acl "\\R9N2WRN\Share"

$Ar = New-Object System.Security.AccessControl.FileSystemAccessRule("user", "FullControl", "ContainerInherit,ObjectInherit", "None", "Allow")

$Acl.SetAccessRule($Ar)
Set-Acl "\\R9N2WRN\Share" $Acl

According to this topic

"when you create a FileSystemAccessRule the way you have, the InheritanceFlags property is set to None. In the GUI, this corresponds to an ACE with the Apply To box set to "This Folder Only", and that type of entry has to be viewed through the Advanced settings."

I have tested the modification and it works, but of course credit is due to the MVP posting the answer in that topic.

I can think of a cheeky way to do it, I don't think this will be the best option but it will work.

Create the header as a separate table then place the other in a div and set a max size, then allow the scroll to come in by using overflow.

table {_x000D_
  width: 500px;_x000D_
}_x000D_
_x000D_
.scroll {_x000D_
  max-height: 60px;_x000D_
  overflow: auto;_x000D_
}

<table border="1">_x000D_
  <tr>_x000D_
  <th>head1</th>_x000D_
  <th>head2</th>_x000D_
  <th>head3</th>_x000D_
  <th>head4</th>_x000D_
  </tr>_x000D_
</table>_x000D_
<div class="scroll">_x000D_
  <table>_x000D_
    <tr><td>Text Text</td><td>Text Text</td><td>Text Text</td><td>Text Text</td></tr>_x000D_
    <tr><td>Text Text</td><td>Text Text</td><td>Text Text</td><td>Text Text</td></tr>_x000D_
    <tr><td>Text Text</td><td>Text Text</td><td>Text Text</td><td>Text Text</td></tr>_x000D_
    <tr><td>Text Text</td><td>Text Text</td><td>Text Text</td><td>Text Text</td></tr>_x000D_
    <tr><td>Text Text</td><td>Text Text</td><td>Text Text</td><td>Text Text</td></tr>_x000D_
    <tr><td>Text Text</td><td>Text Text</td><td>Text Text</td><td>Text Text</td></tr>_x000D_
    <tr><td>More Text</td><td>More Text</td><td>More Text</td><td>More Text</td></tr>_x000D_
    <tr><td>Text Text</td><td>Text Text</td><td>Text Text</td><td>Text Text</td></tr>_x000D_
    <tr><td>Even More Text Text</td><td>Even More Text Text</td><td>Even More Text Text</td><td>Even More Text Text</td></tr>_x000D_
  </table>_x000D_
</div>

One example of lots of threads ("thread pool") vs one per core is that of implementing a web-server in Linux or in Windows.

Since sockets are polled in Linux a lot of threads may increase the likelihood of one of them polling the right socket at the right time - but the overall processing cost will be very high.

In Windows the server will be implemented using I/O Completion Ports - IOCPs - which will make the application event driven: if an I/O completes the OS launches a stand-by thread to process it. When the processing has completed (usually with another I/O operation as in a request-response pair) the thread returns to the IOCP port (queue) to wait for the next completion.

If no I/O has completed there is no processing to be done and no thread is launched.

Indeed, Microsoft recommends no more than one thread per core in IOCP implementations. Any I/O may be attached to the IOCP mechanism. IOCs may also be posted by the application, if necessary.

In C++ the requirements imposed on default arguments with regard to their location in parameter list are as follows:

1. Default argument for a given parameter has to be specified no more than once. Specifying it more than once (even with the same default value) is illegal.

2. Parameters with default arguments have to form a contiguous group at the end of the parameter list.

Now, keeping that in mind, in C++ you are allowed to "grow" the set of parameters that have default arguments from one declaration of the function to the next, as long as the above requirements are continuously satisfied.

For example, you can declare a function with no default arguments

void foo(int a, int b);

In order to call that function after such declaration you'll have to specify both arguments explicitly.

Later (further down) in the same translation unit, you can re-declare it again, but this time with one default argument

void foo(int a, int b = 5);

and from this point on you can call it with just one explicit argument.

Further down you can re-declare it yet again adding one more default argument

void foo(int a = 1, int b);

and from this point on you can call it with no explicit arguments.

The full example might look as follows

void foo(int a, int b);

int main()
{
  foo(2, 3);

  void foo(int a, int b = 5); // redeclare
  foo(8); // OK, calls `foo(8, 5)`

  void foo(int a = 1, int b); // redeclare again
  foo(); // OK, calls `foo(1, 5)`
}

void foo(int a, int b)
{
  // ...
}

As for the code in your question, both variants are perfectly valid, but they mean different things. The first variant declares a default argument for the second parameter right away. The second variant initially declares your function with no default arguments and then adds one for the second parameter.

The net effect of both of your declarations (i.e. the way it is seen by the code that follows the second declaration) is exactly the same: the function has default argument for its second parameter. However, if you manage to squeeze some code between the first and the second declarations, these two variants will behave differently. In the second variant the function has no default arguments between the declarations, so you'll have to specify both arguments explicitly.

For Java, from a command line:

java -version

will indicate whether it's 64-bit or not.

Output from the console on my Ubuntu box:

java version "1.6.0_12-ea"
Java(TM) SE Runtime Environment (build 1.6.0_12-ea-b03)
Java HotSpot(TM) 64-Bit Server VM (build 11.2-b01, mixed mode)

IE will indicate 64-bit versions in the About dialog, I believe.

'use strict';

var express = require('express');
var fs = require('fs');
var compress = require('compression');
var bodyParser = require('body-parser');

var app = express();
app.set('port', 9999);
app.use(bodyParser.json({ limit: '1mb' }));
app.use(compress());

app.use(function (req, res, next) {
    req.setTimeout(3600000)
    res.header('Access-Control-Allow-Origin', '*');
    res.header('Access-Control-Allow-Headers', 'Origin, X-Requested-With, Content-Type, Accept,' + Object.keys(req.headers).join());

    if (req.method === 'OPTIONS') {
        res.write(':)');
        res.end();
    } else next();
});

function readApp(req,res) {
  var file = req.originalUrl == "/read-android" ? "Android.apk" : "Ios.ipa",
      filePath = "/home/sony/Documents/docs/";
  fs.exists(filePath, function(exists){
      if (exists) {     
        res.writeHead(200, {
          "Content-Type": "application/octet-stream",
          "Content-Disposition" : "attachment; filename=" + file});
        fs.createReadStream(filePath + file).pipe(res);
      } else {
        res.writeHead(400, {"Content-Type": "text/plain"});
        res.end("ERROR File does NOT Exists.ipa");
      }
    });  
}

app.get('/read-android', function(req, res) {
    var u = {"originalUrl":req.originalUrl};
    readApp(u,res) 
});

app.get('/read-ios', function(req, res) {
    var u = {"originalUrl":req.originalUrl};
    readApp(u,res) 
});

var server = app.listen(app.get('port'), function() {
    console.log('Express server listening on port ' + server.address().port);
});

In case 1, because of order of operations you get:

(hello + ", world") + "!" which resolves to hello + "!" and finally to hello

In case 2, as James noted, you get:

("Hello" + ", world") + exclam which is the concat of 2 string literals.

Hope it's clear :)

try Vaadin! Very simple and you'll be able to work the UI with ease as well! www.vaadin.com

I would do:

select DBMS_CRYPTO.HASH(rawtohex('foo') ,2) from dual;

output:

DBMS_CRYPTO.HASH(RAWTOHEX('FOO'),2)
--------------------------------------------------------------------------------
ACBD18DB4CC2F85CEDEF654FCCC4A4D8

A generic answer on how to handle click events with KnockoutJS...

Not a straight up answer to the question as asked, but probably an answer to the question most Googlers landing here have: use the click binding from KnockoutJS instead of onclick. Like this:

function Item(parent, txt) {_x000D_
  var self = this;_x000D_
  _x000D_
  self.doStuff = function(data, event) {_x000D_
    console.log(data, event);_x000D_
    parent.log(parent.log() + "\n  data = " + ko.toJSON(data));_x000D_
  };_x000D_
  _x000D_
  self.doOtherStuff = function(customParam, data, event) {_x000D_
    console.log(data, event);_x000D_
    parent.log(parent.log() + "\n  data = " + ko.toJSON(data) + ", customParam = " + customParam);_x000D_
  };_x000D_
  _x000D_
  self.txt = ko.observable(txt);_x000D_
}_x000D_
_x000D_
function RootVm(items) {_x000D_
  var self = this;_x000D_
  _x000D_
  self.doParentStuff = function(data, event) {_x000D_
    console.log(data, event);_x000D_
    self.log(self.log() + "\n  data = " + ko.toJSON(data));_x000D_
  };_x000D_
  _x000D_
  self.items = ko.observableArray([_x000D_
    new Item(self, "John Doe"),_x000D_
    new Item(self, "Marcus Aurelius")_x000D_
  ]);_x000D_
  self.log = ko.observable("Started logging...");_x000D_
}_x000D_
_x000D_
ko.applyBindings(new RootVm());

.parent { background: rgba(150, 150, 200, 0.5); padding: 2px; margin: 5px; }_x000D_
button { margin: 2px 0; font-family: consolas; font-size: 11px; }_x000D_
pre { background: #eee; border: 1px solid #ccc; padding: 5px; }

<script src="https://cdnjs.cloudflare.com/ajax/libs/knockout/3.4.0/knockout-min.js"></script>_x000D_
_x000D_
<div data-bind="foreach: items">_x000D_
  <div class="parent">_x000D_
    <span data-bind="text: txt"></span><br>_x000D_
    <button data-bind="click: doStuff">click: doStuff</button><br>_x000D_
    <button data-bind="click: $parent.doParentStuff">click: $parent.doParentStuff</button><br>_x000D_
    <button data-bind="click: $root.doParentStuff">click: $root.doParentStuff</button><br>_x000D_
    <button data-bind="click: function(data, event) { $parent.log($parent.log() + '\n  data = ' + ko.toJSON(data)); }">click: function(data, event) { $parent.log($parent.log() + '\n  data = ' + ko.toJSON(data)); }</button><br>_x000D_
    <button data-bind="click: doOtherStuff.bind($data, 'test 123')">click: doOtherStuff.bind($data, 'test 123')</button><br>_x000D_
    <button data-bind="click: function(data, event) { doOtherStuff('test 123', $data, event); }">click: function(data, event) { doOtherStuff($data, 'test 123', event); }</button><br>_x000D_
  </div>_x000D_
</div>_x000D_
_x000D_
Click log:_x000D_
<pre data-bind="text: log"></pre>

**A note about the actual question...*

The actual question has one interesting bit:

// Uh oh! Modifying the DOM....
place.innerHTML = "somthing"

Don't do that! Don't modify the DOM like that when using an MVVM framework like KnockoutJS, especially not the piece of the DOM that is your own parent. If you would do this the button would disappear (if you replace your parent's innerHTML you yourself will be gone forever ever!).

Instead, modify the View Model in your handler instead, and have the View respond. For example:

function RootVm() {_x000D_
  var self = this;_x000D_
  self.buttonWasClickedOnce = ko.observable(false);_x000D_
  self.toggle = function(data, event) {_x000D_
    self.buttonWasClickedOnce(!self.buttonWasClickedOnce());_x000D_
  };_x000D_
}_x000D_
_x000D_
ko.applyBindings(new RootVm());

<script src="https://cdnjs.cloudflare.com/ajax/libs/knockout/3.4.0/knockout-min.js"></script>_x000D_
_x000D_
<div>_x000D_
  <div  data-bind="visible: !buttonWasClickedOnce()">_x000D_
    <button data-bind="click: toggle">Toggle!</button>_x000D_
  </div>_x000D_
  <div data-bind="visible: buttonWasClickedOnce">_x000D_
    Can be made visible with toggle..._x000D_
    <button data-bind="click: toggle">Untoggle!</button>_x000D_
  </div>_x000D_
</div>

You should store your images, css and JS files in a public directory. To create a link to any of them, use asset() helper:

{{ asset('img/myimage.png') }}

https://laravel.com/docs/5.1/helpers#method-asset

As alternative, you could use amazing Laravel Collective package for building forms and HTML elements, so your code will look like this:

{{ HTML::image('img/myimage.png', 'a picture') }}

I prefer to use "await" command and async functions to get rid of confusions of promises,

In this case I would write an asynchronous function first, this will be used instead of the anonymous function called under "promise.then" part of this question :

async function SubFunction(output){

   // Call to database , returns a promise, like an Ajax call etc :

   const response = await axios.get( GetApiHost() + '/api/some_endpoint')

   // Return :
   return response;

}

and then I would call this function from main function :

async function justTesting() {
   const lv_result = await SubFunction(output);

   return lv_result + 1;
}

Noting that I returned both main function and sub function to async functions here.

You can set default url options in the Application Controller:

class ApplicationController < ActionController::Base
  def default_url_options
    {:locale => I18n.locale}
  end
end

http://guides.rubyonrails.org/action_controller_overview.html#default_url_options

To find the fastest way to read a file line by line you will have to do some benchmarking. I have done some small tests on my computer but you cannot expect that my results apply to your environment.

Using StreamReader.ReadLine

This is basically your method. For some reason you set the buffer size to the smallest possible value (128). Increasing this will in general increase performance. The default size is 1,024 and other good choices are 512 (the sector size in Windows) or 4,096 (the cluster size in NTFS). You will have to run a benchmark to determine an optimal buffer size. A bigger buffer is - if not faster - at least not slower than a smaller buffer.

const Int32 BufferSize = 128;
using (var fileStream = File.OpenRead(fileName))
  using (var streamReader = new StreamReader(fileStream, Encoding.UTF8, true, BufferSize)) {
    String line;
    while ((line = streamReader.ReadLine()) != null)
      // Process line
  }

The FileStream constructor allows you to specify FileOptions. For example, if you are reading a large file sequentially from beginning to end, you may benefit from FileOptions.SequentialScan. Again, benchmarking is the best thing you can do.

Using File.ReadLines

This is very much like your own solution except that it is implemented using a StreamReader with a fixed buffer size of 1,024. On my computer this results in slightly better performance compared to your code with the buffer size of 128. However, you can get the same performance increase by using a larger buffer size. This method is implemented using an iterator block and does not consume memory for all lines.

var lines = File.ReadLines(fileName);
foreach (var line in lines)
  // Process line

Using File.ReadAllLines

This is very much like the previous method except that this method grows a list of strings used to create the returned array of lines so the memory requirements are higher. However, it returns String[] and not an IEnumerable<String> allowing you to randomly access the lines.

var lines = File.ReadAllLines(fileName);
for (var i = 0; i < lines.Length; i += 1) {
  var line = lines[i];
  // Process line
}

Using String.Split

This method is considerably slower, at least on big files (tested on a 511 KB file), probably due to how String.Split is implemented. It also allocates an array for all the lines increasing the memory required compared to your solution.

using (var streamReader = File.OpenText(fileName)) {
  var lines = streamReader.ReadToEnd().Split("\r\n".ToCharArray(), StringSplitOptions.RemoveEmptyEntries);
  foreach (var line in lines)
    // Process line
}

My suggestion is to use File.ReadLines because it is clean and efficient. If you require special sharing options (for example you use FileShare.ReadWrite), you can use your own code but you should increase the buffer size.

See Is there a clean wikipedia API just for retrieve content summary? for other proposed solutions. Here is one that I suggested:

There is actually a very nice prop called extracts that can be used with queries designed specifically for this purpose. Extracts allow you to get article extracts (truncated article text). There is a parameter called exintro that can be used to retrieve the text in the zeroth section (no additional assets like images or infoboxes). You can also retrieve extracts with finer granularity such as by a certain number of characters (exchars) or by a certain number of sentences(exsentences)

Here is a sample query http://en.wikipedia.org/w/api.php?action=query&prop=extracts&format=json&exintro=&titles=Stack%20Overflow and the API sandbox http://en.wikipedia.org/wiki/Special:ApiSandbox#action=query&prop=extracts&format=json&exintro=&titles=Stack%20Overflow to experiment more with this query.

Please note that if you want the first paragraph specifically you still need to get the first tag. However in this API call there are no additional assets like images to parse. If you are satisfied with this intro summary you can retrieve the text by running a function like php's strip_tag that remove the html tags.

The documentation on split() says:

Splits this string around matches of the given regular expression.

(Emphasis mine.)

A dot is a special character in regular expression syntax. Use Pattern.quote() on the parameter to split() if you want the split to be on a literal string pattern:

String[] words = temp.split(Pattern.quote("."));

Try this

function pad (str, max) {
  return str.length < max ? pad("0" + str, max) : str;
}

alert(pad("5", 2));

Example

http://jsfiddle.net/

Or

var number = 5;
var i;
if (number < 10) {
    alert("0"+number);
}

Example

http://jsfiddle.net/

sudo apt-get install ruby1.9

should do the trick.

You can find what libraries are available to install by

apt-cache search <your search term>

So I just did apt-cache search ruby | grep 9 to find it.

You'll probably need to invoke the new Ruby as ruby1.9, because Ubuntu will probably default to 1.8 if you just type ruby.

It looks like the ~ gives the functionality that I need, but I am yet to find any appropriate documentation on it.

df.filter(~col('bar').isin(['a','b'])).show()



+---+---+
| id|bar|
+---+---+
|  4|  c|
|  5|  d|
+---+---+

There are millions of answers already, I wanted to add you don't need <mainClass> if you don't need to add entryPoint to your application. For example APIs may not have necessarily have main method.

maven plugin config

  <build>
    <finalName>log-enrichment</finalName>
    <plugins>
      <plugin>
        <artifactId>maven-assembly-plugin</artifactId>
        <configuration>
          <descriptorRefs>
            <descriptorRef>jar-with-dependencies</descriptorRef>
          </descriptorRefs>
        </configuration>
      </plugin>
    </plugins>
  </build>

build

mvn clean compile assembly:single

verify

ll target/
total 35100
drwxrwx--- 1 root vboxsf     4096 Sep 29 16:25 ./
drwxrwx--- 1 root vboxsf     4096 Sep 29 16:25 ../
drwxrwx--- 1 root vboxsf        0 Sep 29 16:08 archive-tmp/
drwxrwx--- 1 root vboxsf        0 Sep 29 16:25 classes/
drwxrwx--- 1 root vboxsf        0 Sep 29 16:25 generated-sources/
drwxrwx--- 1 root vboxsf        0 Sep 29 16:25 generated-test-sources/
-rwxrwx--- 1 root vboxsf 35929841 Sep 29 16:10 log-enrichment-jar-with-dependencies.jar*
drwxrwx--- 1 root vboxsf        0 Sep 29 16:08 maven-status/

After a good night of sleep, I found the answer on the Web (a simple Google search on the following line "getBaseContext().getResources().updateConfiguration(mConfig, getBaseContext().getResources().getDisplayMetrics());"), here it is :

link text => this link also shows screenshots of what is happening !

Density was the issue here, I needed to have this in the AndroidManifest.xml

<supports-screens
android:smallScreens="true"
android:normalScreens="true"
android:largeScreens="true"
android:anyDensity="true"
/>

The most important is the android:anyDensity =" true ".

Don't forget to add the following in the AndroidManifest.xml for every activity (for Android 4.1 and below):

android:configChanges="locale"

This version is needed when you build for Android 4.2 (API level 17) explanation here:

android:configChanges="locale|layoutDirection"

I have created a simple custom touch listener class instead of a custom EditText

public class MyTouchListener implements View.OnTouchListener {
private EditText editText;

public MyTouchListener(EditText editText) {
    this.editText = editText;

    setupDrawable(this.editText);
}

private void setupDrawable(final EditText editText) {
    editText.addTextChangedListener(new TextWatcher() {
        @Override
        public void beforeTextChanged(CharSequence s, int start, int count, int after) {

        }

        @Override
        public void onTextChanged(CharSequence s, int start, int before, int count) {
            if(s.length()>0)
                editText.setCompoundDrawablesWithIntrinsicBounds(0,0, R.drawable.clearicon,0);
            else
                editText.setCompoundDrawablesWithIntrinsicBounds(0,0, 0,0);

        }

        @Override
        public void afterTextChanged(Editable s) {

        }
    });
}

@Override
public boolean onTouch(View v, MotionEvent event) {
    if(event.getAction() == MotionEvent.ACTION_UP) {
        if(editText.getCompoundDrawables()[2]!=null){
            if(event.getX() >= (editText.getRight()- editText.getLeft() - editText.getCompoundDrawables()[2].getBounds().width())) {
                editText.setText("");
            }
        }
    }
    return false;

}

}

There will be no drawable when the EditText is blank. A drawable will show when we started editing for clear the EditText.

You can just set the touch listener

mEditText.setOnTouchListener(new MyTouchListener(mEditText));

Try to update npm,It works for me

[sudo] npm install -g npm

// This code works for images on 2.2, not sure if any other media types

   //Your file path - Example here is "/sdcard/cats.jpg"
   final String filePathThis = imagePaths.get(position).toString();

   MediaScannerConnectionClient mediaScannerClient = new
   MediaScannerConnectionClient() {
    private MediaScannerConnection msc = null;
    {
        msc = new MediaScannerConnection(getApplicationContext(), this);
        msc.connect();
    }

    public void onMediaScannerConnected(){
        msc.scanFile(filePathThis, null);
    }


    public void onScanCompleted(String path, Uri uri) {
        //This is where you get your content uri
            Log.d(TAG, uri.toString());
        msc.disconnect();
    }
   };

Given

    volumes:
      - /dir/on/host:/var/www/html

if /dir/on/host doesn't exist, it is created on the host and the empty content is mounted in the container at /var/www/html. Whatever content you had before in /var/www/html inside the container is inaccessible, until you unmount the volume; the new mount is hiding the old content.

Here's a good guide: https://web.archive.org/web/20160301104014/http://gerrydevstory.com/2012/08/20/how-to-create-virtual-network-interface-on-mac-os-x/

Basically you select a network adapter in the Networks pane of system preferences, then click the gear to "Duplicate Service". After the service is duplicated, you manually assign an IP in one of the private address ranges. Then ping it to make sure ;)

Another way:

for %f in (*.mp4) do call ffmpeg -i "%~f" -vcodec copy -acodec copy "%~nf.avi"

yum update

helped me out. After I had

wget: symbol lookup error: wget: undefined symbol: psl_latest

Try to install Integrated Native Developer Experience
" Is a cross-architecture productivity suite that provides developers with tools, support, and IDE integration to create high-performance C++/Java* applications for Windows* on Intel® architecture, OS X on Intel® architecture and Android* on ARM* and Intel® architecture."

Integrated Native Developer Experience

Perhaps with the canvas tag (though it's not portable). There's a blog about how to rotate an image with canvas here, I suppose if you can rotate it, you can resize it. Maybe it can be a starting point.

See this library also.

Use this :

php -r "readfile('https://getcomposer.org/installer');" | php

ERROR 2005 (HY000): Unknown MySQL server host 'localhost' (0)

modify list of host names for your system:

C:\Windows\System32\drivers\etc\hosts

Make sure that you have the following entry:

127.0.0.1 localhost
In my case that entry was 0.0.0.0 localhost which caussed all problem

(you may need to change modify permission to modify this file)

This performs DNS resolution of host “localhost” to the IP address 127.0.0.1.

Recent I have met several times of stop abnormal. Although shutdown.sh provides some information, The situations are:

• result of the command ps -ef| grep java is Null.
• result of the command ps -ef| grep java is not null.

My opinion is just kill the process of Catalina and remove the pid file (In your situation is /opt/tomcat/work/catalina.pid.)

The result seems not so seriously to influence others.

Highly recommend something more like this:

public class Person {
    public string Name {get; set;}
    public string Email {get; set;}
}

var people = new List<Person>();

Easier to read, easy to code.

If you have more than one version of python installed, run the respective pip command.

For example for python3.6 run the following

pip3.6 install beautifulsoup4

To check the available command/version of pip and python on Mac run

ls /usr/local/bin

Use Alpha Channel Remover. It lets you drag icons into the app and it'll remove transparency.

Download it from here: http://alphachannelremover.blogspot.com

Update: this is not my site

In my case fix was replacing relative path with absolute before

import {Service} from './service';

after

import {Service} from 'src/app/services/service';

Looks like typescript/angular issue

• Ctrl + A, Ctrl + \ - Exit screen and terminate all programs in this screen. It is helpful, for example, if you need to close a tty connection.

• Ctrl + D, D or - Ctrl + A, Ctrl + D - "minimize" screen and screen -r to restore it.

My problem resolved with Option 1. Probably the simplest way is to include your helper module in your controller:

class ApplicationController < ActionController::Base
  include ApplicationHelper

...

we can groupby the 'name' and 'month' columns, then call agg() functions of Panda’s DataFrame objects.

The aggregation functionality provided by the agg() function allows multiple statistics to be calculated per group in one calculation.

df.groupby(['name', 'month'], as_index = False).agg({'text': ' '.join})

I had the same problem. It is easier to use the 'data message' instead of the 'notification'. The data message always load the class onMessageReceived.

In that class you can make your own notification with the notificationbuilder.

Example:

 @Override
    public void onMessageReceived(RemoteMessage remoteMessage) {
        sendNotification(remoteMessage.getData().get("title"),remoteMessage.getData().get("body"));
    }

    private void sendNotification(String messageTitle,String messageBody) {
        Intent intent = new Intent(this, MainActivity.class);
        intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
        PendingIntent pendingIntent = PendingIntent.getActivity(this,0 /* request code */, intent,PendingIntent.FLAG_UPDATE_CURRENT);

        long[] pattern = {500,500,500,500,500};

        Uri defaultSoundUri= RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION);

        NotificationCompat.Builder notificationBuilder = (NotificationCompat.Builder) new NotificationCompat.Builder(this)
                .setSmallIcon(R.drawable.ic_stat_name)
                .setContentTitle(messageTitle)
                .setContentText(messageBody)
                .setAutoCancel(true)
                .setVibrate(pattern)
                .setLights(Color.BLUE,1,1)
                .setSound(defaultSoundUri)
                .setContentIntent(pendingIntent);

        NotificationManager notificationManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
        notificationManager.notify(0 /* ID of notification */, notificationBuilder.build());
    }

You can get the different values with:

set(Article.objects.values_list('comment_id', flat=True))

you can put your data directly in a url statment like

src = 'url(imageData)' ;

and to get the image data u can use the php function

$imageContent = file_get_contents("imageDir/".$imgName);

$imageData = base64_encode($imageContent);

so you can copy paste the value of imageData and paste it directly to your url and assign it to the src attribute of your image

If it happens in Chrome version > 45.x,

(1) try: System | Settings | Advanced settings
     uncheck "Use hardware acceleration when available", restart chrome.

(2) If (1) doesn't help, restart your computer

(3) If the black screen still occurs, try Chrome Cleanup Tool to reset your chrome.
     https://www.google.com/chrome/cleanup-tool/

When I had this problem, I wrote adb kill-server and adb restart-server in terminal, but the problem appeared again the next day. Then I updated GPU debugging tools in the Android SDK manager and restarted the computer, which worked for me.

Your question is good, it is not only about methods. Functions and objects in modules are commonly prefixed with one underscore as well, and can be prefixed by two.

But __double_underscore names are not name-mangled in modules, for example. What happens is that names beginning with one (or more) underscores are not imported if you import all from a module (from module import *), nor are the names shown in help(module).

I faced the same issue and tried all the solutions that folks suggested here and other links (like https://askubuntu.com/questions/695981/platform-not-supported-for-tensorflow-on-ubuntu-14-04-2).

It was so frustrating because using print(wheel.pep425tags.get_supported()) I could see that my ubuntu supported ('cp37', 'cp37m', 'linux_x86_64') and that was exactly what I was trying to install (from https://storage.googleapis.com/tensorflow/linux/cpu/tensorflow-1.14.0-cp37-cp37m-linux_x86_64.whl).

What at the end fixed it was to simply download the package first and then

pip install tensorflow-1.14.0-cp37-cp37m-linux_x86_64.whl

Why not just use a custom format for the cell you need to quote?

If you set a custom format to the cell column, all values will take on that format.

For numbers....like a zip code....it would be this '#' For string text, it would be this '@'

You save the file as csv format, and it will have all the quotes wrapped around the cell data as needed.

Here is a callback object I wrote where you can either set a single callback to fire once all complete or let each have their own callback and fire them all once all complete:

NOTICE

Since jQuery 1.5+ you can use the deferred method as described in another answer:

  $.when($.ajax(), [...]).then(function(results){},[...]);

Example of deferred here

for jQuery < 1.5 the following will work or if you need to have your ajax calls fired at unknown times as shown here with two buttons: fired after both buttons are clicked

[usage]

for single callback once complete: Working Example

// initialize here
var requestCallback = new MyRequestsCompleted({
    numRequest: 3,
    singleCallback: function(){
        alert( "I'm the callback");
    }
});

//usage in request
$.ajax({
    url: '/echo/html/',
    success: function(data) {
        requestCallback.requestComplete(true);
    }
});
$.ajax({
    url: '/echo/html/',
    success: function(data) {
        requestCallback.requestComplete(true);
    }
});
$.ajax({
    url: '/echo/html/',
    success: function(data) {
        requestCallback.requestComplete(true);
    }
});

each having their own callback when all complete: Working Example

//initialize 
var requestCallback = new MyRequestsCompleted({
    numRequest: 3
});

//usage in request
$.ajax({
    url: '/echo/html/',
    success: function(data) {
        requestCallback.addCallbackToQueue(true, function() {
            alert('Im the first callback');
        });
    }
});
$.ajax({
    url: '/echo/html/',
    success: function(data) {
        requestCallback.addCallbackToQueue(true, function() {
            alert('Im the second callback');
        });
    }
});
$.ajax({
    url: '/echo/html/',
    success: function(data) {
        requestCallback.addCallbackToQueue(true, function() {
            alert('Im the third callback');
        });
    }
});

[The Code]

var MyRequestsCompleted = (function() {
    var numRequestToComplete, requestsCompleted, callBacks, singleCallBack;

    return function(options) {
        if (!options) options = {};

        numRequestToComplete = options.numRequest || 0;
        requestsCompleted = options.requestsCompleted || 0;
        callBacks = [];
        var fireCallbacks = function() {
            alert("we're all complete");
            for (var i = 0; i < callBacks.length; i++) callBacks[i]();
        };
        if (options.singleCallback) callBacks.push(options.singleCallback);

        this.addCallbackToQueue = function(isComplete, callback) {
            if (isComplete) requestsCompleted++;
            if (callback) callBacks.push(callback);
            if (requestsCompleted == numRequestToComplete) fireCallbacks();
        };
        this.requestComplete = function(isComplete) {
            if (isComplete) requestsCompleted++;
            if (requestsCompleted == numRequestToComplete) fireCallbacks();
        };
        this.setCallback = function(callback) {
            callBacks.push(callBack);
        };
    };
})();

Yes, you can connect the raspberry direct to your PC without router. For this is necessary that the raspberry and your computer are on the same subnet, and they both have a static ip configured (And an Ethernet cable connected between the two devices).

An ideal configuration would be the following:

Raspberry on eth0: IP: 192.168.1.10 SubNet: 255.255.255.0

Your PC: IP: 192.168.1.11 SubNet 255.255.255.0

To set a manual IP on raspberry you can follow this guide

In your PC you can set a manual IP in the network adapter settings,and the procedure depends on your operating system.

When you have configured the two static IP, you can connect to the raspberry via SSH using the IP set (192.168.1.10).

Another simpler method is to attach on GPIO a button to turn off the raspberry! Take a look here!

Wikipedia points to the term Canonicalization.

A process for converting data that has more than one possible representation into a "standard" canonical representation. This can be done to compare different representations for equivalence, to count the number of distinct data structures, to improve the efficiency of various algorithms by eliminating repeated calculations, or to make it possible to impose a meaningful sorting order.

The Unicode example made the most sense to me:

Variable-length encodings in the Unicode standard, in particular UTF-8, have more than one possible encoding for most common characters. This makes string validation more complicated, since every possible encoding of each string character must be considered. A software implementation which does not consider all character encodings runs the risk of accepting strings considered invalid in the application design, which could cause bugs or allow attacks. The solution is to allow a single encoding for each character. Canonicalization is then the process of translating every string character to its single allowed encoding. An alternative is for software to determine whether a string is canonicalized, and then reject it if it is not. In this case, in a client/server context, the canonicalization would be the responsibility of the client.

In summary, a standard form of representation for data. From this form you can then convert to any representation you may need.

This will

/\bword\b/.test("Thisword is not valid");

return false, when this one

/\bword\b/.test("This word is valid");

will return true.

The answer to your question is that the newer SQLite 3 has improved performance, use that.

This answer Why is SQLAlchemy insert with sqlite 25 times slower than using sqlite3 directly? by SqlAlchemy Orm Author has 100k inserts in 0.5 sec, and I have seen similar results with python-sqlite and SqlAlchemy. Which leads me to believe that performance has improved with SQLite 3.

This prints all elements that contain sub:

for s in filter (lambda x: sub in x, list): print (s)

For my fellow Xamarians, here is a Xamarin.iOS C# version of @Paul Lynch answer.

private UIImage ResizeImage(UIImage image, CGSize newSize) 
{
    UIGraphics.BeginImageContextWithOptions(newSize, false, 0.0f);
    image.Draw(new CGRect(0, 0, newSize.Width, newSize.Height));
    UIImage newImage = UIGraphics.GetImageFromCurrentImageContext();
    UIGraphics.EndImageContext();
    return newImage;
}

List<T>.Add adds a single element. Instead, use List<T>.AddRange to add multiple values.

Additionally, List<T>.AddRange takes an IEnumerable<T>, so you don't need to convert tripDetails into a List<TripDetails>, you can pass it directly, e.g.:

tripDetailsCollection.AddRange(tripDetails);

You must remove the data from the TableModel used for the table.

If using the DefaultTableModel, just set the row count to zero. This will delete the rows and fire the TableModelEvent to update the GUI.

JTable table;
…
DefaultTableModel model = (DefaultTableModel) table.getModel();
model.setRowCount(0);

If you are using other TableModel, please check the documentation.

I've just downloaded SQL Developer 4.0 for OS X (10.9), it just got out of beta. I also downloaded the latest Postgres JDBC jar. On a lark I decided to install it (same method as other third party db drivers in SQL Dev), and it accepted it. Whenever I click "new connection", there is a tab now for Postgres... and clicking it shows a panel that asks for the database connection details.

The answer to this question has changed, whether or not it is supported, it seems to work. There is a "choose database" button, that if clicked, gives you a dropdown list filled with available postgres databases. You create the connection, open it, and it lists the schemas in that database. Most postgres commands seem to work, though no psql commands (\list, etc).

Those who need a single tool to connect to multiple database engines can now use SQL Developer.

SlowCheetah and FastKoala from the VisualStudio Gallery seem to be very good tools that help out with this problem.

However, if you want to avoid addins or use the principles they implement more extensively throughout your build/integration processes then adding this to your msbuild *proj files is a shorthand fix.

Note: this is more or less a rework of the No. 2 of @oleksii's answer.

This works for .exe and .dll projects:

  <Target Name="TransformOnBuild" BeforeTargets="PrepareForBuild">
    <TransformXml Source="App_Config\app.Base.config" Transform="App_Config\app.$(Configuration).config" Destination="app.config" />
  </Target>

This works for web projects:

  <Target Name="TransformOnBuild" BeforeTargets="PrepareForBuild">
    <TransformXml Source="App_Config\Web.Base.config" Transform="App_Config\Web.$(Configuration).config" Destination="Web.config" />
  </Target>

Note that this step happens even before the build proper begins. The transformation of the config file happens in the project folder. So that the transformed web.config is available when you are debugging (a drawback of SlowCheetah).

Do remember that if you create the App_Config folder (or whatever you choose to call it), the various intermediate config files should have a Build Action = None, and Copy to Output Directory = Do not copy.

This combines both options into one block. The appropriate one is executed based on conditions. The TransformXml task is defined first though:

<Project>
<UsingTask TaskName="TransformXml" AssemblyFile="$(MSBuildExtensionsPath)\Microsoft\VisualStudio\v$(VisualStudioVersion)\Web\Microsoft.Web.Publishing.Tasks.dll" />
<Target Name="TransformOnBuild" BeforeTargets="PrepareForBuild">
    <TransformXml Condition="Exists('App_Config\app.Base.config')" Source="App_Config\app.Base.config" Transform="App_Config\app.$(Configuration).config" Destination="app.config" />
    <TransformXml Condition="Exists('App_Config\Web.Base.config')" Source="App_Config\Web.Base.config" Transform="App_Config\Web.$(Configuration).config" Destination="Web.config" />
</Target>

Use to_date with Java SimpleDateFormat.

TO_DATE(CAST(UNIX_TIMESTAMP(date, 'MM/dd/yyyy') AS TIMESTAMP))

Example:

spark.sql("""
  SELECT TO_DATE(CAST(UNIX_TIMESTAMP('08/26/2016', 'MM/dd/yyyy') AS TIMESTAMP)) AS newdate"""
).show()

+----------+
|        dt|
+----------+
|2016-08-26|
+----------+

For what it is worth, forgetting a body on a virtual destructor generates the following:

undefined reference to `vtable for CYourClass'.

I am adding a note because the error message is deceptive. (This was with gcc version 4.6.3.)

Why write complicated code when you could make it simple?

Indeed, if you are absolutely going to use the Optional class, the most simple code is what you have already written ...

if (user.isPresent())
{
    doSomethingWithUser(user.get());
}

This code has the advantages of being

1. readable
2. easy to debug (breakpoint)
3. not tricky

Just because Oracle has added the Optional class in Java 8 doesn't mean that this class must be used in all situation.

http://jqapi.com/ Traversing--> Tree Traversal --> Children

The following cites the C11 standard (final draft).

6.3.1.2: When any scalar value is converted to _Bool, the result is 0 if the value compares equal to 0; otherwise, the result is 1.

bool (mapped by stdbool.h to the internal name _Bool for C) itself is an unsigned integer type:

... The type _Bool and the unsigned integer types that correspond to the standard signed integer types are the standard unsigned integer types.

According to 6.2.5p2:

An object declared as type _Bool is large enough to store the values 0 and 1.

AFAIK these definitions are semantically identical to C++ - with the minor difference of the built-in(!) names. bool for C++ and _Bool for C.

Note that C does not use the term rvalues as C++ does. However, in C pointers are scalars, so assigning a pointer to a _Bool behaves as in C++.

Same everyday problem.

I just created a simple vc project to solve this problem.

It copies the file as Base64 encoded data directly to the clipboard, and then this can be pasted into the PuTTY console and decoded on the remote side.

This solution is for relatively small files (relative to the connection speed to your remote console).

Installation:

Download clip_b64.exe and place it in the SendTo folder (or a .lnk shortcut to it). To open this folder, in the address bar of the explorer, enter shell:sendto or %appdata%\Microsoft\Windows\SendTo.

You may need to install VC 2017 redist to run it, or use the statically linked clip_b64s.exe execution.

Usage:

On the local machine:

In the File Explorer, right-click the file you are transferring to open the context menu, then go to the "Send To" section and select Clip_B64 from the list.

On the remote console (over putty-ssh link):

Run the shell command base64 -d > file-name-you-want and right-click in the console (or press Shift + Insert) to place the clipboard content in it, and then press Ctrl + D to finish.

voila

Intel's picture is helpful, as shown by Tortuga's best answer. Here's a caption for it.

Processor: One semiconductor chip, the CPU (central processing unit) seated in one socket, circa 1950s-2010s. Over time, more functions have been packed onto the CPU chip. Prior to the 1950s releases of single-chip processors, one processor might have spread across multiple chips. In the mid 2010s the system-on-a-chip chips made it slightly more sketchy to equate one processor to one chip, though that's generally what people mean by processor, as in "this computer has an i7 processor" or "this computer system has four processors."

Core: One block of a CPU, executing one instruction at a time. (You'll see people say one instruction per clock cycle, but some CPUs use multiple clock cycles for some instructions.)

    <?php
if (isset($_POST['birthdate'])) {
    $timestamp = strtotime($_POST['birthdate']); 
    $date=date('d',$timestamp);
    $month=date('m',$timestamp);
    $year=date('Y',$timestamp);
}
?>  

My issue was resolved by replacing the'SID' in URL with 'service name' and correct host.

Yes

for Item in Item1 Item2 Item3 Item4 ;
  do
    echo $Item
  done

Output:

Item1
Item2
Item3
Item4

To preserve spaces; single or double quote list entries and double quote list expansions.

for Item in 'Item 1' 'Item 2' 'Item 3' 'Item 4' ;
  do
    echo "$Item"
  done

Output:

Item 1
Item 2
Item 3
Item 4

To make list over multiple lines

for Item in Item1 \
            Item2 \
            Item3 \
            Item4
  do
    echo $Item
  done

Output:

Item1
Item2
Item3
Item4

List=( Item1 Item2 Item3 )

or

List=(
      Item1 
      Item2 
      Item3
     )

Display the list variable:

echo ${List[*]}

Output:

Item1 Item2 Item3

Loop through the list:

for Item in ${List[*]} 
  do
    echo $Item 
  done

Output:

Item1
Item2
Item3

Create a function to go through a list:

Loop(){
  for item in ${*} ; 
    do 
      echo ${item} 
    done
}
Loop ${List[*]}

Using the declare keyword (command) to create the list, which is technically called an array:

declare -a List=(
                 "element 1" 
                 "element 2" 
                 "element 3"
                )
for entry in "${List[@]}"
   do
     echo "$entry"
   done

Output:

element 1
element 2
element 3

Creating an associative array. A dictionary:

declare -A continent

continent[Vietnam]=Asia
continent[France]=Europe
continent[Argentina]=America

for item in "${!continent[@]}"; 
  do
    printf "$item is in ${continent[$item]} \n"
  done

Output:

 Argentina is in America
 Vietnam is in Asia
 France is in Europe

CSV variables or files in to a list.
Changing the internal field separator from a space, to what ever you want.
In the example below it is changed to a comma

List="Item 1,Item 2,Item 3"
Backup_of_internal_field_separator=$IFS
IFS=,
for item in $List; 
  do
    echo $item
  done
IFS=$Backup_of_internal_field_separator

Output:

Item 1
Item 2
Item 3

If need to number them:

` 

this is called a back tick. Put the command inside back ticks.

`command` 

It is next to the number one on your keyboard and or above the tab key, on a standard American English language keyboard.

List=()
Start_count=0
Step_count=0.1
Stop_count=1
for Item in `seq $Start_count $Step_count $Stop_count`
    do 
       List+=(Item_$Item)
    done
for Item in ${List[*]}
    do 
        echo $Item
    done

Output is:

Item_0.0
Item_0.1
Item_0.2
Item_0.3
Item_0.4
Item_0.5
Item_0.6
Item_0.7
Item_0.8
Item_0.9
Item_1.0

Becoming more familiar with bashes behavior:

Create a list in a file

cat <<EOF> List_entries.txt
Item1
Item 2 
'Item 3'
"Item 4"
Item 7 : *
"Item 6 : * "
"Item 6 : *"
Item 8 : $PWD
'Item 8 : $PWD'
"Item 9 : $PWD"
EOF

Read the list file in to a list and display

List=$(cat List_entries.txt)
echo $List
echo '$List'
echo "$List"
echo ${List[*]}
echo '${List[*]}'
echo "${List[*]}"
echo ${List[@]}
echo '${List[@]}'
echo "${List[@]}"

BASH commandline reference manual: Special meaning of certain characters or words to the shell.

In a UIView extension:

func addBlurredBackground(style: UIBlurEffect.Style) {
    let blurEffect = UIBlurEffect(style: style)
    let blurView = UIVisualEffectView(effect: blurEffect)
    blurView.frame = self.frame
    blurView.autoresizingMask = [.flexibleWidth, .flexibleHeight]
    self.addSubview(blurView)
    self.sendSubviewToBack(blurView)
}

Take a look at the @Deprecated annotation.

$response is instance of PSR-7 ResponseInterface. For more details see https://www.php-fig.org/psr/psr-7/#3-interfaces

getBody() returns StreamInterface:

/**
 * Gets the body of the message.
 *
 * @return StreamInterface Returns the body as a stream.
 */
public function getBody();

StreamInterface implements __toString() which does

Reads all data from the stream into a string, from the beginning to end.

Therefore, to read body as string, you have to cast it to string:

$stringBody = (string) $response->getBody()

Gotchas

1. json_decode($response->getBody() is not the best solution as it magically casts stream into string for you. json_decode() requires string as 1st argument.
2. Don't use $response->getBody()->getContents() unless you know what you're doing. If you read documentation for getContents(), it says: Returns the remaining contents in a string. Therefore, calling getContents() reads the rest of the stream and calling it again returns nothing because stream is already at the end. You'd have to rewind the stream between those calls.

I had the same error message, and the problem was also the metadata part of the connection string, but I had to dig a little deeper to solve it and wanted to share this little nugget:

The metadata string is made up of three sections that each look like this:

res://
      (assembly)/
      (model name).(ext)

Where ext is "csdl", "ssdl", and "msl".

For most people, assembly can probably be "*", which seems to indicate that all loaded assemblies will be searched (I haven't done a huge amount of testing of this). This part wasn't an issue for me, so I can't comment on whether you need the assembly name or file name (i.e., with or without ".dll"), though I have seen both suggested.

The model name part should be the name and namespace of your .edmx file, relative to your assembly. So if you have a My.DataAccess assembly and you create DataModels.edmx in a Models folder, its full name is My.DataAccess.Models.DataModels. In this case, you would have "Models.DataModels.(ext)" in your metadata.

If you ever move or rename your .edmx file, you will need to update your metadata string manually (in my experience), and remembering to change the relative namespace will save a few headaches.

Create Common Method to Convert String to Date format

public static void main(String[] args) throws Exception {
    long test = ConvertStringToDate("May 26 10:41:23", "MMM dd hh:mm:ss");
    long test2 = ConvertStringToDate("Tue, Jun 06 2017, 12:30 AM", "EEE, MMM dd yyyy, hh:mm a");
    long test3 = ConvertStringToDate("Jun 13 2003 23:11:52.454 UTC", "MMM dd yyyy HH:mm:ss.SSS zzz");
}

private static long ConvertStringToDate(String dateString, String format) {
    try {
        return new SimpleDateFormat(format).parse(dateString).getTime();
    } catch (ParseException e) {}
    return 0;
}

A complete method tested on iOS 7 and iOS 8.

@interface UIViewController (MBOverCurrentContextModalPresenting)

/// @warning Some method of viewControllerToPresent will called twice before iOS 8, e.g. viewWillAppear:.
- (void)MBOverCurrentContextPresentViewController:(UIViewController *)viewControllerToPresent animated:(BOOL)flag completion:(void (^)(void))completion;

@end

@implementation UIViewController (MBOverCurrentContextModalPresenting)

- (void)MBOverCurrentContextPresentViewController:(UIViewController *)viewControllerToPresent animated:(BOOL)flag completion:(void (^)(void))completion {
    UIViewController *presentingVC = self;

    // iOS 8 before
    if (floor(NSFoundationVersionNumber) <= NSFoundationVersionNumber_iOS_7_1) {
        UIViewController *root = presentingVC;
        while (root.parentViewController) {
            root = root.parentViewController;
        }

        [presentingVC presentViewController:viewControllerToPresent animated:YES completion:^{
            [viewControllerToPresent dismissViewControllerAnimated:NO completion:^{
                UIModalPresentationStyle orginalStyle = root.modalPresentationStyle;
                if (orginalStyle != UIModalPresentationCurrentContext) {
                    root.modalPresentationStyle = UIModalPresentationCurrentContext;
                }
                [presentingVC presentViewController:viewControllerToPresent animated:NO completion:completion];
                if (orginalStyle != UIModalPresentationCurrentContext) {
                    root.modalPresentationStyle = orginalStyle;
                }
            }];
        }];
        return;
    }

    UIModalPresentationStyle orginalStyle = viewControllerToPresent.modalPresentationStyle;
    if (orginalStyle != UIModalPresentationOverCurrentContext) {
        viewControllerToPresent.modalPresentationStyle = UIModalPresentationOverCurrentContext;
    }
    [presentingVC presentViewController:viewControllerToPresent animated:YES completion:completion];
    if (orginalStyle != UIModalPresentationOverCurrentContext) {
        viewControllerToPresent.modalPresentationStyle = orginalStyle;
    }
}

@end

public class InShotApp extends Application {
    
        @Override
        public void onCreate() {
            super.onCreate();
            registerActivityLifecycle();
        }
    
        private void registerActivityLifecycle() {
    
            registerActivityLifecycleCallbacks(new ActivityLifecycleCallbacks() {
                @Override
                public void onActivityCreated(@NonNull Activity activity, @Nullable Bundle savedInstanceState) {
                    activity.getWindow().setFlags(WindowManager.LayoutParams.FLAG_SECURE, WindowManager.LayoutParams.FLAG_SECURE);            }
    
                @Override
                public void onActivityStarted(@NonNull Activity activity) {
    
                }
    
                @Override
                public void onActivityResumed(@NonNull Activity activity) {
    
                }
    
                @Override
                public void onActivityPaused(@NonNull Activity activity) {
    
                }
    
                @Override
                public void onActivityStopped(@NonNull Activity activity) {
    
                }
    
                @Override
                public void onActivitySaveInstanceState(@NonNull Activity activity, @NonNull Bundle outState) {
    
                }
    
                @Override
                public void onActivityDestroyed(@NonNull Activity activity) {
    
                }
            });
    
        }
    }

Looks like you created a separate question. I was answering your other question How to change flat file source using foreach loop container in an SSIS package? with the same answer. Anyway, here it is again.

Create two string data type variables namely DirPath and FilePath. Set the value C:\backup\ to the variable DirPath. Do not set any value to the variable FilePath.

Select the variable FilePath and select F4 to view the properties. Set the EvaluateAsExpression property to True and set the Expression property as @[User::DirPath] + "Source" + (DT_STR, 4, 1252) DATEPART("yy" , GETDATE()) + "-" + RIGHT("0" + (DT_STR, 2, 1252) DATEPART("mm" , GETDATE()), 2) + "-" + RIGHT("0" + (DT_STR, 2, 1252) DATEPART("dd" , GETDATE()), 2)

For me, the issue was some plugin in my Visual Studio started forcing my application into x64 64bit mode, so the Oracle driver wasn't being found as I had Oracle 32bit installed.

So if you are having this issue, try running Visual Studio in safemode (devenv /safemode). I could find that it was looking in SYSWOW64 for the ic.dll file by using the ProcMon app by SysInternals/Microsoft.

Update: For me it was the Telerik JustTrace product that was causing the issue, it was probably hooking in and affecting the runtime version somehow to do tracing.

Update2: It's not just JustTrace causing an issue, JustMock is causing the same processor mode issue. JustMock is easier to fix though: Click JustMock-> Disable Profiler and then my web app's oracle driver runs in the correct CPU mode. This might be fixed by Telerik in the future.

I would like to make a addon for tiago's answer:

Suppose you're hiding element using ng-show and adding a required attribute on the same:

<div ng-show="false">
    <input required name="something" ng-model="name"/>
</div>

will throw an error something like :

An invalid form control with name='' is not focusable

This is because you just cannot impose required validation on hidden elements. Using ng-required makes it easier to conditionally apply required validation which is just awesome!!