Here is part of a line in my code that brought the warning up in NetBeans:

$page = (!empty($_GET['p'])) 

After much research and seeing how there are about a bazillion ways to filter this array, I found one that was simple. And my code works and NetBeans is happy:

$p = filter_input(INPUT_GET, 'p');
$page = (!empty($p))

To use the callback style (https://facebook.github.io/react/docs/refs-and-the-dom.html) as recommended on React's documentation you can add a definition for a property on the class:

export class Foo extends React.Component<{}, {}> {
// You don't need to use 'references' as the name
references: {
    // If you are using other components be more specific than HTMLInputElement
    myRef: HTMLInputElement;
} = {
    myRef: null
}
...
 myFunction() {
    // Use like this
    this.references.myRef.focus();
}
...
render() {
    return(<input ref={(i: any) => { this.references.myRef = i; }}/>)
}

If i understand you correctly, (i probably don't)

'SELECT @RowCount = COUNT(*)
                   FROM dbo.Comm_Services
                   WHERE CompanyId = ' + CAST(@CompanyId AS CHAR) + '
                   AND ' + @condition

Your code as it stands is correct but I am having a hard time figuring out how it could/would be used in a real world scenario. With that said, please be aware of a few caveats when returning pointers from functions:

• When you create an array with syntax int arr[5];, it's allocated on the stack and is local to the function.
• C++ allows you to return a pointer to this array, but it is undefined behavior to use the memory pointed to by this pointer outside of its local scope. Read this great answer using a real world analogy to get a much clear understanding than what I could ever explain.
• You can still use the array outside the scope if you can guarantee that memory of the array has not be purged. In your case this is true when you pass arr to test().
• If you want to pass around pointers to a dynamically allocated array without worrying about memory leaks, you should do some reading on std::unique_ptr/std::shared_ptr<>.

Edit - to answer the use-case of matrix multiplication

You have two options. The naive way is to use std::unique_ptr/std::shared_ptr<>. The Modern C++ way is to have a Matrix class where you overload operator * and you absolutely must use the new rvalue references if you want to avoid copying the result of the multiplication to get it out of the function. In addition to having your copy constructor, operator = and destructor, you also need to have move constructor and move assignment operator. Go through the questions and answers of this search to gain more insight on how to achieve this.

Edit 2 - answer to appended question

int* test (int a[5], int b[5]) {
    int *c = new int[5];
    for (int i = 0; i < 5; i++) c[i] = a[i]+b[i];
    return c;
}

If you are using this as int *res = test(a,b);, then sometime later in your code, you should call delete []res to free the memory allocated in the test() function. You see now the problem is it is extremely hard to manually keep track of when to make the call to delete. Hence the approaches on how to deal with it where outlined in the answer.

Adding to @Armand answer:

Add the following environment variable:

NODE_TLS_REJECT_UNAUTHORIZED=0 e.g. with export:

export NODE_TLS_REJECT_UNAUTHORIZED=0 (with great thanks to Juanra)

If you on windows usage:

set NODE_TLS_REJECT_UNAUTHORIZED=0

Thanks to: @weagle08

I'm using this to set up boost from cmake in my CMakeLists.txt. Try something similar (make sure to update paths to your installation of boost).

SET (BOOST_ROOT "/opt/boost/boost_1_57_0")
SET (BOOST_INCLUDEDIR "/opt/boost/boost-1.57.0/include")
SET (BOOST_LIBRARYDIR "/opt/boost/boost-1.57.0/lib")

SET (BOOST_MIN_VERSION "1.55.0")
set (Boost_NO_BOOST_CMAKE ON)
FIND_PACKAGE(Boost ${BOOST_MIN_VERSION} REQUIRED)
if (NOT Boost_FOUND)
  message(FATAL_ERROR "Fatal error: Boost (version >= 1.55) required.")
else()
  message(STATUS "Setting up BOOST")
  message(STATUS " Includes - ${Boost_INCLUDE_DIRS}")
  message(STATUS " Library  - ${Boost_LIBRARY_DIRS}")
  include_directories(${Boost_INCLUDE_DIRS})
  link_directories(${Boost_LIBRARY_DIRS})
endif (NOT Boost_FOUND)

This will either search default paths (/usr, /usr/local) or the path provided through the cmake variables (BOOST_ROOT, BOOST_INCLUDEDIR, BOOST_LIBRARYDIR). It works for me on cmake > 2.6.

MYSQL 5.5 One sql insert statement took ~300 to ~450ms. while the below stats is for inline multiple insert statments.

(25492 row(s) affected)
Execution Time : 00:00:03:343
Transfer Time  : 00:00:00:000
Total Time     : 00:00:03:343

I would say inline is way to go :)

Install Imagic in PHP7:

sudo apt-get install php-imagick

struct arg_struct *args = (struct arg_struct *)args;

--> this assignment is wrong, I mean the variable argument should be used in this context. Cheers!!!

By default many profiles are defaulted to 0 core file size because the average user doesn't know what to do with them.

Try ulimit -c unlimited before running your program.

method_two won't work because you're defining a member function but not telling it what the function is a member of. If you execute the last line you'll get:

>>> a_test.method_two()
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: method_two() takes no arguments (1 given)

If you're defining member functions for a class the first argument must always be 'self'.

Check if your mysqld service is running or not, if not run, start the service.

If your problem isn't solved, look for /etc/my.cnf and modify as following, where you see a line starting with socket. Take a backup of that file before doing this update.

socket=/var/lib/mysql/mysql.sock  

Change to

socket=/opt/lampp/var/mysql/mysql.sock -u root

If you know the dimensions of your image, then adding a border to the UIImageView's layer is the best solution AFAIK. Infact, you can simply setFrame your imageView to x,y,image.size.width,image.size.height

In case you have an ImageView of a fixed size with dynamically loaded images which are getting resized (or scaled to AspectFit), then your aim is to resize the imageview to the new resized image.

The shortest way to do this:

// containerView is my UIImageView
containerView.layer.borderWidth = 7;
containerView.layer.borderColor = [UIColor colorWithRed:0.22 green:0.22 blue:0.22 alpha:1.0].CGColor;

// this is the key command
[containerView setFrame:AVMakeRectWithAspectRatioInsideRect(image.size, containerView.frame)];

But to use the AVMakeRectWithAspectRatioInsideRect, you need to add this

#import <AVFoundation/AVFoundation.h>

import statement to your file and also include the AVFoundation framework in your project (comes bundled with the SDK).

aString = "hello world"
aString.startswith("hello")

More info about startswith.

Add box shadow to container in flutter

  Container(
      margin: EdgeInsets.only(left: 30, top: 100, right: 30, bottom: 50),
      height: double.infinity,
      width: double.infinity,
      decoration: BoxDecoration(
        color: Colors.white,
        borderRadius: BorderRadius.only(
          topLeft: Radius.circular(10),
            topRight: Radius.circular(10),
            bottomLeft: Radius.circular(10),
            bottomRight: Radius.circular(10)
        ),
        boxShadow: [
          BoxShadow(
            color: Colors.grey.withOpacity(0.5),
            spreadRadius: 5,
            blurRadius: 7,
            offset: Offset(0, 3), // changes position of shadow
          ),
        ],
      ),
  )

Here is my output

Here is nice documentation on APIs,

https://developer.chrome.com/apps/notifications

And, official video explanation by Google,

https://developers.google.com/live/shows/83992232-1001

You could simply create a method to get the object by it's name.

public Party getPartyByName(String name) {
    for(Party party : parties) {
        if(name.equalsIgnoreCase(party.name)) {
            return party;
        }
    }
    return null;
}

Math.Round(0.5) returns zero due to floating point rounding errors, so you'll need to add a rounding error amount to the original value to ensure it doesn't round down, eg.

Console.WriteLine(Math.Round(0.5, 0).ToString()); // outputs 0 (!!)
Console.WriteLine(Math.Round(1.5, 0).ToString()); // outputs 2
Console.WriteLine(Math.Round(0.5 + 0.00000001, 0).ToString()); // outputs 1
Console.WriteLine(Math.Round(1.5 + 0.00000001, 0).ToString()); // outputs 2
Console.ReadKey();

The best thing to keep in mind is to keep track of the references to your objects. It is very easy to end up with hanging references to objects that you don't care about anymore. If you are not going to use something anymore, get rid of it.

Get used to using a cache provider with sliding expirations, so that if something isn't referenced for a desired time window it is dereferenced and cleaned up. But if it is being accessed a lot it will say in memory.

Change

application:climate-change

to

application: climate-change

The space after the colon is mandatory in yaml if you want a key-value pair. (See http://www.yaml.org/spec/1.2/spec.html#id2759963)

The steps you listed will work, but there's a longer way that gives you more options:

git checkout dmgr2      # gets you "on branch dmgr2"
git fetch origin        # gets you up to date with origin
git merge origin/master

The fetch command can be done at any point before the merge, i.e., you can swap the order of the fetch and the checkout, because fetch just goes over to the named remote (origin) and says to it: "gimme everything you have that I don't", i.e., all commits on all branches. They get copied to your repository, but named origin/branch for any branch named branch on the remote.

At this point you can use any viewer (git log, gitk, etc) to see "what they have" that you don't, and vice versa. Sometimes this is only useful for Warm Fuzzy Feelings ("ah, yes, that is in fact what I want") and sometimes it is useful for changing strategies entirely ("whoa, I don't want THAT stuff yet").

Finally, the merge command takes the given commit, which you can name as origin/master, and does whatever it takes to bring in that commit and its ancestors, to whatever branch you are on when you run the merge. You can insert --no-ff or --ff-only to prevent a fast-forward, or merge only if the result is a fast-forward, if you like.

When you use the sequence:

git checkout dmgr2
git pull origin master

the pull command instructs git to run git fetch, and then the moral equivalent of git merge origin/master. So this is almost the same as doing the two steps by hand, but there are some subtle differences that probably are not too concerning to you. (In particular the fetch step run by pull brings over only origin/master, and it does not update the ref in your repo:¹ any new commits winds up referred-to only by the special FETCH_HEAD reference.)

If you use the more-explicit git fetch origin (then optionally look around) and then git merge origin/master sequence, you can also bring your own local master up to date with the remote, with only one fetch run across the network:

git fetch origin
git checkout master
git merge --ff-only origin/master
git checkout dmgr2
git merge --no-ff origin/master

for instance.

¹This second part has been changed—I say "fixed"—in git 1.8.4, which now updates "remote branch" references opportunistically. (It was, as the release notes say, a deliberate design decision to skip the update, but it turns out that more people prefer that git update it. If you want the old remote-branch SHA-1, it defaults to being saved in, and thus recoverable from, the reflog. This also enables a new git 1.9/2.0 feature for finding upstream rebases.)

Ctrl + MouseWheel on active editor.

You might also need to provide your user with an alert showing that those functions are disabled for the text input fields. This will work

    function showError(){_x000D_
     alert('you are not allowed to cut,copy or paste here');_x000D_
    }_x000D_
    _x000D_
    $('.form-control').bind("cut copy paste",function(e) {_x000D_
     e.preventDefault();_x000D_
    });

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>_x000D_
<textarea class="form-control"  oncopy="showError()" onpaste="showError()"></textarea>

As hadley mentioned there are more effective ways of communicating your message than labels in stacked bar charts. In fact, stacked charts aren't very effective as the bars (each Category) doesn't share an axis so comparison is hard.

It's almost always better to use two graphs in these instances, sharing a common axis. In your example I'm assuming that you want to show overall total and then the proportions each Category contributed in a given year.

library(grid)
library(gridExtra)
library(plyr)

# create a new column with proportions
prop <- function(x) x/sum(x)
Data <- ddply(Data,"Year",transform,Share=prop(Frequency))

# create the component graphics
totals <- ggplot(Data,aes(Year,Frequency)) + geom_bar(fill="darkseagreen",stat="identity") + 
  xlab("") + labs(title = "Frequency totals in given Year")
proportion <- ggplot(Data, aes(x=Year,y=Share, group=Category, colour=Category)) 
+ geom_line() + scale_y_continuous(label=percent_format())+ theme(legend.position = "bottom") + 
  labs(title = "Proportion of total Frequency accounted by each Category in given Year")

# bring them together
grid.arrange(totals,proportion)

This will give you a 2 panel display like this:

If you want to add Frequency values a table is the best format.

Did you restart the server after you changed the config file?

Can you telnet to the server from a different machine?

Can you telnet to the server from the server itself?

telnet <ip address> 80

telnet localhost 80

Since you ask for other better ways to handle the problem, here's another way using data.table:

require(data.table) ## 1.9.2+
setDT(df)
df[a %in% c(0,1,3,4) | c == 4, g := 3L]
df[a %in% c(2,5,7) | (a==1 & b==4), g := 2L]

Note the order of conditional statements is reversed to get g correctly. There's no copy of g made, even during the second assignment - it's replaced in-place.

On larger data this would have better performance than using nested if-else, as it can evaluate both 'yes' and 'no' cases, and nesting can get harder to read/maintain IMHO.

Here's a benchmark on relatively bigger data:

# R version 3.1.0
require(data.table) ## 1.9.2
require(dplyr)
DT <- setDT(lapply(1:6, function(x) sample(7, 1e7, TRUE)))
setnames(DT, letters[1:6])
# > dim(DT) 
# [1] 10000000        6
DF <- as.data.frame(DT)

DT_fun <- function(DT) {
    DT[(a %in% c(0,1,3,4) | c == 4), g := 3L]
    DT[a %in% c(2,5,7) | (a==1 & b==4), g := 2L]
}

DPLYR_fun <- function(DF) {
    mutate(DF, g = ifelse(a %in% c(2,5,7) | (a==1 & b==4), 2L, 
            ifelse(a %in% c(0,1,3,4) | c==4, 3L, NA_integer_)))
}

BASE_fun <- function(DF) { # R v3.1.0
    transform(DF, g = ifelse(a %in% c(2,5,7) | (a==1 & b==4), 2L, 
            ifelse(a %in% c(0,1,3,4) | c==4, 3L, NA_integer_)))
}

system.time(ans1 <- DT_fun(DT))
#   user  system elapsed 
#  2.659   0.420   3.107 

system.time(ans2 <- DPLYR_fun(DF))
#   user  system elapsed 
# 11.822   1.075  12.976 

system.time(ans3 <- BASE_fun(DF))
#   user  system elapsed 
# 11.676   1.530  13.319 

identical(as.data.frame(ans1), as.data.frame(ans2))
# [1] TRUE

identical(as.data.frame(ans1), as.data.frame(ans3))
# [1] TRUE

Not sure if this is an alternative you'd asked for, but I hope it helps.

You could use shallow clones (git > 1.9):

git clone --depth depth remote-url

Further reading: http://blogs.atlassian.com/2014/05/handle-big-repositories-git/

Something like this worked for me (references columns C and D from the row 8 till the end of the columns, in Excel 2013 if relevant):

=SUMIFS(INDIRECT(ADDRESS(ROW(D$8), COLUMN())&":"&ADDRESS(ROWS($C:$C), COLUMN())),INDIRECT("C$8:C"&ROWS($C:$C)),$C$2)

using XML, you need to set the onclick listener yourself. First have your class implements OnClickListener then add the variable Button button1; then add this to your onCreate()

button1 = (Button) findViewById(R.id.button1);
button1.setOnClickListener(this);

when you implement OnClickListener you need to add the inherited method onClick() where you will handle your clicks

You may use NULL instead of NA. This creates a truly empty data frame.

If I remember correctly, the gen stands for generation, as in a generational garbage collector (that treats younger objects differently than mid-life and "permanent" objects). Principle of locality suggests that recently created objects will be wiped out first.

Let me try to make it simple, suppose URL of the site is www.example.com and you need to sign up by filling username and password, so we go to the login page say http://www.example.com/login.php now and view it's source code and search for the action URL it will be in form tag something like

 <form name="loginform" method="post" action="userinfo.php">

now take userinfo.php to make absolute URL which will be 'http://example.com/userinfo.php', now run a simple python script

import requests
url = 'http://example.com/userinfo.php'
values = {'username': 'user',
          'password': 'pass'}

r = requests.post(url, data=values)
print r.content

I Hope that this helps someone somewhere someday.

For both SQL Server and SQLite Databases, use:

_sqlServerDBsContext = new SqlServerDBsContext(new DbContextOptionsBuilder<SqlServerDBsContext>().UseSqlServer("Connection String to SQL DB").Options);

For SQLite, make sure Microsoft.EntityFrameworkCore.Sqlite is installed, then the connection string is simply "'DataSource='+ the file name".

_sqliteDBsContext = new SqliteDBsContext(new DbContextOptionsBuilder<SqliteDBsContext>().UseSqlite("Connection String to SQLite DB").Options);

In HTML5, there is no correct value, all the major browsers do not really care what the attribute is, they are just checking if the attribute exists so the element is disabled.

Note: this code resizes and removes everything outside the aspect ratio instead of padding it..

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Drawing;
using System.Drawing.Imaging;
using System.IO;

namespace MyPhotos.Common
{
    public class ThumbCreator
    {

        public enum VerticalAlign
        {
            Top,
            Middle,
            Bottom
        }

        public enum HorizontalAlign
        {
            Left,
            Middle,
            Right
        }

        public void Convert(string sourceFile, string targetFile, ImageFormat targetFormat, int height, int width, VerticalAlign valign, HorizontalAlign halign)
        {
            using (Image img = Image.FromFile(sourceFile))
            {
                using (Image targetImg = Convert(img, height, width, valign, halign))
                {
                    string directory = Path.GetDirectoryName(targetFile);
                    if (!Directory.Exists(directory))
                    {
                        Directory.CreateDirectory(directory);
                    }
                    if (targetFormat == ImageFormat.Jpeg)
                    {
                        SaveJpeg(targetFile, targetImg, 100);
                    }
                    else
                    {
                        targetImg.Save(targetFile, targetFormat);
                    }
                }
            }
        }

        /// <summary> 
        /// Saves an image as a jpeg image, with the given quality 
        /// </summary> 
        /// <param name="path">Path to which the image would be saved.</param> 
        // <param name="quality">An integer from 0 to 100, with 100 being the 
        /// highest quality</param> 
        public static void SaveJpeg(string path, Image img, int quality)
        {
            if (quality < 0 || quality > 100)
                throw new ArgumentOutOfRangeException("quality must be between 0 and 100.");


            // Encoder parameter for image quality 
            EncoderParameter qualityParam =
                new EncoderParameter(System.Drawing.Imaging.Encoder.Quality, quality);
            // Jpeg image codec 
            ImageCodecInfo jpegCodec = GetEncoderInfo("image/jpeg");

            EncoderParameters encoderParams = new EncoderParameters(1);
            encoderParams.Param[0] = qualityParam;

            img.Save(path, jpegCodec, encoderParams);
        }

        /// <summary> 
        /// Returns the image codec with the given mime type 
        /// </summary> 
        private static ImageCodecInfo GetEncoderInfo(string mimeType)
        {
            // Get image codecs for all image formats 
            ImageCodecInfo[] codecs = ImageCodecInfo.GetImageEncoders();

            // Find the correct image codec 
            for (int i = 0; i < codecs.Length; i++)
                if (codecs[i].MimeType == mimeType)
                    return codecs[i];
            return null;
        }

        public Image Convert(Image img, int height, int width, VerticalAlign valign, HorizontalAlign halign)
        {
            Bitmap result = new Bitmap(width, height);
            using (Graphics g = Graphics.FromImage(result))
            {
                g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
                g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
                float ratio = (float)height / (float)img.Height;
                int temp = (int)((float)img.Width * ratio);
                if (temp == width)
                {
                    //no corrections are needed!
                    g.DrawImage(img, 0, 0, width, height);
                    return result;
                }
                else if (temp > width)
                {
                    //den e för bred!
                    int overFlow = (temp - width);
                    if (halign == HorizontalAlign.Middle)
                    {
                        g.DrawImage(img, 0 - overFlow / 2, 0, temp, height);
                    }
                    else if (halign == HorizontalAlign.Left)
                    {
                        g.DrawImage(img, 0, 0, temp, height);
                    }
                    else if (halign == HorizontalAlign.Right)
                    {
                        g.DrawImage(img, -overFlow, 0, temp, height);
                    }
                }
                else
                {
                    //den e för hög!
                    ratio = (float)width / (float)img.Width;
                    temp = (int)((float)img.Height * ratio);
                    int overFlow = (temp - height);
                    if (valign == VerticalAlign.Top)
                    {
                        g.DrawImage(img, 0, 0, width, temp);
                    }
                    else if (valign == VerticalAlign.Middle)
                    {
                        g.DrawImage(img, 0, -overFlow / 2, width, temp);
                    }
                    else if (valign == VerticalAlign.Bottom)
                    {
                        g.DrawImage(img, 0, -overFlow, width, temp);
                    }
                }
            }
            return result;
        }
    }
}

I ended up with this function to safely replace text without side effects (so far):

function replaceInText(element, pattern, replacement) {
    for (let node of element.childNodes) {
        switch (node.nodeType) {
            case Node.ELEMENT_NODE:
                replaceInText(node, pattern, replacement);
                break;
            case Node.TEXT_NODE:
                node.textContent = node.textContent.replace(pattern, replacement);
                break;
            case Node.DOCUMENT_NODE:
                replaceInText(node, pattern, replacement);
        }
    }
}

It's for cases where the 16kB of findAndReplaceDOMText are a bit too heavy.

Short answer: Use the change event. Here's a couple of practical examples. Since I misread the question, I'll include jQuery examples along with plain JavaScript. You're not gaining much, if anything, by using jQuery though.

Single checkbox

Using querySelector.

var checkbox = document.querySelector("input[name=checkbox]");

checkbox.addEventListener('change', function() {
  if (this.checked) {
    console.log("Checkbox is checked..");
  } else {
    console.log("Checkbox is not checked..");
  }
});

<input type="checkbox" name="checkbox" />

Single checkbox with jQuery

$('input[name=checkbox]').change(function() {
  if ($(this).is(':checked')) {
    console.log("Checkbox is checked..")
  } else {
    console.log("Checkbox is not checked..")
  }
});

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>

<input type="checkbox" name="checkbox" />

Multiple checkboxes

Here's an example of a list of checkboxes. To select multiple elements we use querySelectorAll instead of querySelector. Then use Array.filter and Array.map to extract checked values.

// Select all checkboxes with the name 'settings' using querySelectorAll.
var checkboxes = document.querySelectorAll("input[type=checkbox][name=settings]");
let enabledSettings = []

/*
For IE11 support, replace arrow functions with normal functions and
use a polyfill for Array.forEach:
https://vanillajstoolkit.com/polyfills/arrayforeach/
*/

// Use Array.forEach to add an event listener to each checkbox.
checkboxes.forEach(function(checkbox) {
  checkbox.addEventListener('change', function() {
    enabledSettings = 
      Array.from(checkboxes) // Convert checkboxes to an array to use filter and map.
      .filter(i => i.checked) // Use Array.filter to remove unchecked checkboxes.
      .map(i => i.value) // Use Array.map to extract only the checkbox values from the array of objects.
      
    console.log(enabledSettings)
  })
});

<label>
   <input type="checkbox" name="settings" value="forcefield">
   Enable forcefield
</label>
<label>
  <input type="checkbox" name="settings" value="invisibilitycloak">
  Enable invisibility cloak
</label>
<label>
  <input type="checkbox" name="settings" value="warpspeed">
  Enable warp speed
</label>

Multiple checkboxes with jQuery

let checkboxes = $("input[type=checkbox][name=settings]")
let enabledSettings = [];

// Attach a change event handler to the checkboxes.
checkboxes.change(function() {
  enabledSettings = checkboxes
    .filter(":checked") // Filter out unchecked boxes.
    .map(function() { // Extract values using jQuery map.
      return this.value;
    }) 
    .get() // Get array.
    
  console.log(enabledSettings);
});

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<label>
   <input type="checkbox" name="settings" value="forcefield">
   Enable forcefield
</label>
<label>
  <input type="checkbox" name="settings" value="invisibilitycloak">
  Enable invisibility cloak
</label>
<label>
  <input type="checkbox" name="settings" value="warpspeed">
  Enable warp speed
</label>

I think it's better to use window.addEventListener('error') to capture the script load error and try to load it again. It's useful when we load scripts from a CDN server. If we can't load script from the CDN, we can load it from our server.

window.addEventListener('error', function(e) {
  if (e.target.nodeName === 'SCRIPT') {
    var scriptTag = document.createElement('script');
    scriptTag.src = e.target.src.replace('https://static.cdn.com/', '/our-server/static/');
    document.head.appendChild(scriptTag);
  }
}, true);

I wouldn't recommend implementing this as it is but hopefully this can inspire a good solution.

Let's say your enum is Foo. Then you can do something like this.

public class FooViewModel : ViewModel
{
    private int _fooValue;

    public int FooValue
    {
        get => _fooValue;
        set
        {
            _fooValue = value;
            OnPropertyChange();
            OnPropertyChange(nameof(Foo));
            OnPropertyChange(nameof(FooName));
        }
    }
    public Foo Foo 
    { 
        get => (Foo)FooValue; 
        set 
        { 
            _fooValue = (int)value;
            OnPropertyChange();
            OnPropertyChange(nameof(FooValue));
            OnPropertyChange(nameof(FooName));
        } 
    }
    public string FooName { get => Enum.GetName(typeof(Foo), Foo); }

    public FooViewModel(Foo foo)
    {
        Foo = foo;
    }
}

Then on Window.Load method you can load all enums to an ObservableCollection<FooViewModel> which you can set as the DataContext of the combobox.

I've mostly just seen the builtin ValueError used in this situation.

Use numpy.full. Here's a Python that creates a gray, blue, green and red image and shows in a 2x2 grid.

import cv2
import numpy as np

gray_img = np.full((100, 100, 3), 127, np.uint8)

blue_img = np.full((100, 100, 3), 0, np.uint8)
green_img = np.full((100, 100, 3), 0, np.uint8)
red_img = np.full((100, 100, 3), 0, np.uint8)

full_layer = np.full((100, 100), 255, np.uint8)

# OpenCV goes in blue, green, red order
blue_img[:, :, 0] = full_layer
green_img[:, :, 1] = full_layer
red_img[:, :, 2] = full_layer

cv2.imshow('2x2_grid', np.vstack([
    np.hstack([gray_img, blue_img]), 
    np.hstack([green_img, red_img])
]))
cv2.waitKey(0)
cv2.destroyWindow('2x2_grid')

after trying to fix a similar problem my self, where I had changed from @PrimaryKey(autoGenerate = true) to int UUID, I couldn't find how to write my migration so I changed the table name, it's an easy fix, and ok if you working with a personal/small app

Tables work differently; sometimes counter-intuitively.

The solution is to use width on the table cells instead of max-width.

Although it may sound like in that case the cells won't shrink below the given width, they will actually.
with no restrictions on c, if you give the table a width of 70px, the widths of a, b and c will come out as 16, 42 and 12 pixels, respectively.
With a table width of 400 pixels, they behave like you say you expect in your grid above.
Only when you try to give the table too small a size (smaller than a.min+b.min+the content of C) will it fail: then the table itself will be wider than specified.

I made a snippet based on your fiddle, in which I removed all the borders and paddings and border-spacing, so you can measure the widths more accurately.

table {_x000D_
  width: 70px;_x000D_
}_x000D_
_x000D_
table, tbody, tr, td {_x000D_
  margin: 0;_x000D_
  padding: 0;_x000D_
  border: 0;_x000D_
  border-spacing: 0;_x000D_
}_x000D_
_x000D_
.a, .c {_x000D_
  background-color: red;_x000D_
}_x000D_
_x000D_
.b {_x000D_
  background-color: #F77;_x000D_
}_x000D_
_x000D_
.a {_x000D_
  min-width: 10px;_x000D_
  width: 20px;_x000D_
  max-width: 20px;_x000D_
}_x000D_
_x000D_
.b {_x000D_
  min-width: 40px;_x000D_
  width: 45px;_x000D_
  max-width: 45px;_x000D_
}_x000D_
_x000D_
.c {}

<table>_x000D_
  <tr>_x000D_
    <td class="a">A</td>_x000D_
    <td class="b">B</td>_x000D_
    <td class="c">C</td>_x000D_
  </tr>_x000D_
</table>

You need to correct your code to wait for the list to be downloaded:

List<Item> list = await GetListAsync();

Also, make sure that the method, where this code is located, has async modifier.

The reason why you get this error is that GetListAsync method returns a Task<T> which is not a completed result. As your list is downloaded asynchronously (because of Task.Run()) you need to "extract" the value from the task using the await keyword.

If you remove Task.Run(), you list will be downloaded synchronously and you don't need to use Task, async or await.

One more suggestion: you don't need to await in GetListAsync method if the only thing you do is just delegating the operation to a different thread, so you can shorten your code to the following:

private Task<List<Item>> GetListAsync(){
    return Task.Run(() => manager.GetList());
}

From number to currency string is easy through Number.prototype.toLocaleString. However the reverse seems to be a common problem. The thousands separator and decimal point may not be obtained in the JS standard.

In this particular question the thousands separator is a white space " " but in many cases it can be a period "." and decimal point can be a comma ",". Such as in 1 000 000,00 or 1.000.000,00. Then this is how i convert it into a proper floating point number.

var price = "1 000.000,99",
    value = +price.replace(/(\.|\s)|(\,)/g,(m,p1,p2) => p1 ? "" : ".");
console.log(value);

So the replacer callback takes "1.000.000,00" and converts it into "1000000.00". After that + in the front of the resulting string coerces it into a number.

This function is actually quite handy. For instance if you replace the p1 = "" part with p1 = "," in the callback function, an input of 1.000.000,00 would result 1,000,000.00

MySQL prior to version 8.0 doesn't support the WITH clause (CTE in SQL Server parlance; Subquery Factoring in Oracle), so you are left with using:

• TEMPORARY tables
• DERIVED tables
• inline views (effectively what the WITH clause represents - they are interchangeable)

The request for the feature dates back to 2006.

As mentioned, you provided a poor example - there's no need to perform a subselect if you aren't altering the output of the columns in any way:

  SELECT * 
    FROM ARTICLE t
    JOIN USERINFO ui ON ui.user_userid = t.article_ownerid
    JOIN CATEGORY c ON c.catid =  t.article_categoryid
   WHERE t.published_ind = 0
ORDER BY t.article_date DESC 
   LIMIT 1, 3

Here's a better example:

SELECT t.name,
       t.num
  FROM TABLE t
  JOIN (SELECT c.id
               COUNT(*) 'num'
          FROM TABLE c
         WHERE c.column = 'a'
      GROUP BY c.id) ta ON ta.id = t.id

If you already require JQuery, this solution might do the work (this is the exact same code I actually needed in my case, although using a Promise is just to force the code to wait until file selection has been resolved):

await new Promise(resolve => {
    const input = $("<input type='file'/>");
    input.on('change', function() {
        resolve($(this).val());
    });
    $('body').one('focus', '*', e => {
        resolve(null);
        e.stopPropagation();
    });
    input.click();

});

Running ALTER COLUMN without mentioning attribute NOT NULL will result in the column being changed to nullable, if it is already not. Therefore, you need to first check if the column is nullable and if not, specify attribute NOT NULL. Alternatively, you can use the following statement which checks the nullability of column beforehand and runs the command with the right attribute.

IF COLUMNPROPERTY(OBJECT_ID('Employee', 'U'), 'Salary', 'AllowsNull')=0
    ALTER TABLE [Employee]
        ALTER COLUMN [Salary] NUMERIC(22,5) NOT NULL
ELSE        
    ALTER TABLE [Employee]
        ALTER COLUMN [Salary] NUMERIC(22,5) NULL

Although both versions of the specific example are equivalent, as already mentioned in the other answers, there is still one small difference between them. The first version includes an unnecessary implicit barrier, encountered at the end of the "omp for". The other implicit barrier can be found at the end of the parallel region. Adding "nowait" to "omp for" would make the two codes equivalent, at least from an OpenMP perspective. I mention this because an OpenMP compiler could generate slightly different code for the two cases.

The Pythonic way of summing an array is using sum. For other purposes, you can sometimes use some combination of reduce (from the functools module) and the operator module, e.g.:

def product(xs):
    return reduce(operator.mul, xs, 1)

Be aware that reduce is actually a foldl, in Haskell terms. There is no special syntax to perform folds, there's no builtin foldr, and actually using reduce with non-associative operators is considered bad style.

Using higher-order functions is quite pythonic; it makes good use of Python's principle that everything is an object, including functions and classes. You are right that lambdas are frowned upon by some Pythonistas, but mostly because they tend not to be very readable when they get complex.

It's not on the laravel documentation, I have been an hour to achieve this:

My session didn't persist until i used the "save" method...

$request->session()->put('lang','en_EN');
$request->session()->save();

It depends on the compiler. If you compile with, say, G++ on Linux and VC++ on Windows, this will do :

#ifdef linux
    ...
#elif _WIN32
    ...
#else
    ...
#endif

There is three way to transaction animation in fragment.

Transitions

So need to use one of the built-in Transitions, use the setTranstion() method:

getSupportFragmentManager()
        .beginTransaction()
        .setTransition( FragmentTransaction.TRANSIT_FRAGMENT_OPEN )
        .show( m_topFragment )
        .commit()

Custom Animations

You can also customize the animation by using the setCustomAnimations() method:

getSupportFragmentManager()
        .beginTransaction()
        .setCustomAnimations( R.anim.slide_up, 0, 0, R.anim.slide_down)
        .show( m_topFragment )
        .commit()

slide_up.xml

<?xml version="1.0" encoding="utf-8"?>
<objectAnimator
        xmlns:android="http://schemas.android.com/apk/res/android"
        android:interpolator="@android:anim/accelerate_decelerate_interpolator"
        android:propertyName="translationY"
        android:valueType="floatType"
        android:valueFrom="1280"
        android:valueTo="0"
        android:duration="@android:integer/config_mediumAnimTime"/>

slide_down.xml

<?xml version="1.0" encoding="utf-8"?>
<objectAnimator
        xmlns:android="http://schemas.android.com/apk/res/android"
        android:interpolator="@android:anim/accelerate_decelerate_interpolator"
        android:propertyName="translationY"
        android:valueType="floatType"
        android:valueFrom="0"
        android:valueTo="1280"
        android:duration="@android:integer/config_mediumAnimTime"/>

Multiple Animations

Finally, It's also possible to kick-off multiple fragment animations in a single transaction. This allows for a pretty cool effect where one fragment is sliding up and the other slides down at the same time:

getSupportFragmentManager()
        .beginTransaction()
        .setCustomAnimations( R.anim.abc_slide_in_top, R.anim.abc_slide_out_top ) // Top Fragment Animation
        .show( m_topFragment )
        .setCustomAnimations( R.anim.abc_slide_in_bottom, R.anim.abc_slide_out_bottom ) // Bottom Fragment Animation
        .show( m_bottomFragment )
        .commit()

To more detail you can visit URL

Note:- You can check animation according to your requirement because above may be have issue.

I need to handle fatal errors for production to instead show a static styled 503 Service Unavailable HTML output. This is surely a reasonable approach to "catching fatal errors". This is what I've done:

I have a custom error handling function "error_handler" which will display my "503 service unavailable" HTML page on any E_ERROR, E_USER_ERROR, etc. This will now be called on the shutdown function, catching my fatal error,

function fatal_error_handler() {

    if (@is_array($e = @error_get_last())) {
        $code = isset($e['type']) ? $e['type'] : 0;
        $msg = isset($e['message']) ? $e['message'] : '';
        $file = isset($e['file']) ? $e['file'] : '';
        $line = isset($e['line']) ? $e['line'] : '';
        if ($code>0)
            error_handler($code, $msg, $file, $line);
    }
}
set_error_handler("error_handler");
register_shutdown_function('fatal_error_handler');

in my custom error_handler function, if the error is E_ERROR, E_USER_ERROR, etc. I also call @ob_end_clean(); to empty the buffer, thus removing PHP's "fatal error" message.

Take important note of the strict isset() checking and @ silencing functions since we don’t want our error_handler scripts to generate any errors.

In still agreeing with keparo, catching fatal errors does defeat the purpose of "FATAL error" so it's not really intended for you to do further processing. Do not run any mail() functions in this shutdown process as you will certainly back up the mail server or your inbox. Rather log these occurrences to file and schedule a cron job to find these error.log files and mail them to administrators.

Since HTML5 you can use the <mark></mark> tags to highlight text. You can use javascript to wrap some text/keyword between these tags. Here is a little example of how to mark and unmark text.

JSFIDDLE DEMO

Thanks bhavya's solution.There have been two answers about swift, but those are not very intact. I have do that in the swift3.Below is the main code.

In AppDelegate.swift

func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {
    // Override point for customization after application launch.

    // seclect the mainStoryBoard entry by whthere user is login.
    let userDefaults = UserDefaults.standard

    if let isLogin: Bool = userDefaults.value(forKey:Common.isLoginKey) as! Bool? {
        if (!isLogin) {
            self.window?.rootViewController = UIStoryboard(name: "Main", bundle: nil).instantiateViewController(withIdentifier: "LogIn")
        }
   }else {
        self.window?.rootViewController = mainStoryboard.instantiateViewController(withIdentifier: "LogIn")
   }

    return true
}

In SignUpViewController.swift

@IBAction func userLogin(_ sender: UIButton) {
    //handle your login work
    UserDefaults.standard.setValue(true, forKey: Common.isLoginKey)
    let delegateTemp = UIApplication.shared.delegate
    delegateTemp?.window!?.rootViewController = UIStoryboard(name: "Main", bundle: nil).instantiateViewController(withIdentifier: "Main")
}

In logOutAction function

@IBAction func logOutAction(_ sender: UIButton) {
    UserDefaults.standard.setValue(false, forKey: Common.isLoginKey)
    UIApplication.shared.delegate?.window!?.rootViewController = UIStoryboard(name: "Main", bundle: nil).instantiateInitialViewController()
}

With EL 2 (Expression Language 2) you can use this type of construct for your question:

    #{formatBean.format(myBean.birthdate)}

Or you can add an alternate getter in your bean resulting in

    #{myBean.birthdateString}

where getBirthdateString returns the proper text representation. Remember to annotate the get method as @Transient if it is an Entity.

I recently saw this one-liner:

def foo(name: str, opts: dict=None) -> str:
    opts = {} if not opts else opts
    pass

If you want printable ascii characters you probably should correct your code to:

if ord(char) < 32 or ord(char) > 126: return ''

this is equivalent, to string.printable (answer from @jterrace), except for the absence of returns and tabs ('\t','\n','\x0b','\x0c' and '\r') but doesnt correspond to the range on your question

With the help of getter and setter, you can define a JavaScript class that does such a thing.

First, we define our class called MonitoredVariable:

class MonitoredVariable {
  constructor(initialValue) {
    this._innerValue = initialValue;
    this.beforeSet = (newValue, oldValue) => {};
    this.beforeChange = (newValue, oldValue) => {};
    this.afterChange = (newValue, oldValue) => {};
    this.afterSet = (newValue, oldValue) => {};
  }

  set val(newValue) {
    const oldValue = this._innerValue;
    // newValue, oldValue may be the same
    this.beforeSet(newValue, oldValue);
    if (oldValue !== newValue) {
      this.beforeChange(newValue, oldValue);
      this._innerValue = newValue;
      this.afterChange(newValue, oldValue);
    }
    // newValue, oldValue may be the same
    this.afterSet(newValue, oldValue);
  }

  get val() {
    return this._innerValue;
  }
}

Assume that we want to listen for money changes, let's create an instance of MonitoredVariable with initial money 0:

const money = new MonitoredVariable(0);

Then we could get or set its value using money.val:

console.log(money.val); // Get its value
money.val = 2; // Set its value

Since we have not defined any listeners for it, nothing special happens after money.val changes to 2.

Now let's define some listeners. We have four listeners available: beforeSet, beforeChange, afterChange, afterSet. The following will happen sequentially when you use money.val = newValue to change variable's value:

1. money.beforeSet(newValue, oldValue);
2. money.beforeChange(newValue, oldValue); (Will be skipped if its value not changed)
3. money.val = newValue;
4. money.afterChange(newValue, oldValue); (Will be skipped if its value not changed)
5. money.afterSet(newValue, oldValue);

Now we define afterChange listener which be triggered only after money.val has changed (while afterSet will be triggered even if the new value is the same as the old one):

money.afterChange = (newValue, oldValue) => {
  console.log(`Money has been changed from ${oldValue} to ${newValue}`);
};

Now set a new value 3 and see what happens:

money.val = 3;

You will see the following in the console:

Money has been changed from 2 to 3

For full code, see https://gist.github.com/yusanshi/65745acd23c8587236c50e54f25731ab.

In the original example, why not use the select() method in your database query?

$name = DB::table('users')->where('name', 'John')->select("id");

This will be faster than using a PHP framework, for it'll utilize the SQL query to do the row selection for you. For ordinary collections, I don't believe this applies, but since you're using a database...

Larvel 5.3: Specifying a Select Clause

Go to the Team Explorer tab then click Branches. In the branches select your branch from remotes/origin. For example, you want to reset your master branch. Right-click at the master branch in remotes/origin then select Reset then click Delete changes. This will reset your local branch and removes all locally committed changes.

CREATE TABLE table_temp_list_objects AS
SELECT o.owner, o.object_name FROM sys.all_objects o WHERE o.object_type ='TABLE';

I don't think this is possible, but afaik the resolution of module names is up to module loaders so there might a loader implementation that does support this.

Until then, you could use an intermediate "module file" at lib/things/index.js that just contains

export * from 'ThingA';
export * from 'ThingB';
export * from 'ThingC';

and it would allow you to do

import {ThingA, ThingB, ThingC} from 'lib/things';

Try this solution:

Go to->

1. xammp ->htdocs-> then open index.php from the htdocs folder
2. you can modify the dashboard
3. restart the server

Example Code index.php :

    <?php
    if (!empty($_SERVER['HTTPS']) && ('on' == $_SERVER['HTTPS'])) {
        $uri = 'https://';
    } else {
        $uri = 'http://';
    }
    $uri .= $_SERVER['HTTP_HOST'];
    header('Location: '.$uri.'/dashboard/');
    exit;
   ?>

First, you should know now the android.support.v4.app.ActionBarDrawerToggle is deprecated.

You must replace that with android.support.v7.app.ActionBarDrawerToggle.

Here is my example and I use the new Toolbar to replace the ActionBar.

MainActivity.java

public class MainActivity extends ActionBarActivity {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    Toolbar mToolbar = (Toolbar) findViewById(R.id.toolbar);
    setSupportActionBar(mToolbar);
    DrawerLayout mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
    ActionBarDrawerToggle mDrawerToggle = new ActionBarDrawerToggle(
        this,  mDrawerLayout, mToolbar,
        R.string.navigation_drawer_open, R.string.navigation_drawer_close
    );
    mDrawerLayout.setDrawerListener(mDrawerToggle);
    getSupportActionBar().setDisplayHomeAsUpEnabled(true);
    getSupportActionBar().setHomeButtonEnabled(true);
    mDrawerToggle.syncState();
}

styles.xml

<style name="AppTheme" parent="Theme.AppCompat.Light">
    <item name="drawerArrowStyle">@style/DrawerArrowStyle</item>
</style>

<style name="DrawerArrowStyle" parent="Widget.AppCompat.DrawerArrowToggle">
    <item name="spinBars">true</item>
    <item name="color">@android:color/white</item>
</style>

You can read the documents on AndroidDocument#DrawerArrowToggle_spinBars

This attribute is the key to implement the menu-to-arrow animation.

public static int DrawerArrowToggle_spinBars

Whether bars should rotate or not during transition
Must be a boolean value, either "true" or "false".

So, you set this: <item name="spinBars">true</item>.

Then the animation can be presented.

Hope this can help you.

A React Hook you can add to your Route component. Using useLayoutEffect instead of custom listeners.

import React, { useLayoutEffect } from 'react';
import { Switch, Route, useLocation } from 'react-router-dom';

export default function Routes() {
  const location = useLocation();
  // Scroll to top if path changes
  useLayoutEffect(() => {
    window.scrollTo(0, 0);
  }, [location.pathname]);

  return (
      <Switch>
        <Route exact path="/">

        </Route>
      </Switch>
  );
}

Update: Updated to use useLayoutEffect instead of useEffect, for less visual jank. Roughly this translates to:

• useEffect: render components -> paint to screen -> scroll to top (run effect)
• useLayoutEffect: render components -> scroll to top (run effect) -> paint to screen

Depending on if you're loading data (think spinners) or if you have page transition animations, useEffect may work better for you.

Try this...

update [table_name] set [field_name] = 
replace([field_name],'[string_to_find]','[string_to_replace]');

Actually String is not immutable if you use the wikipedia definition suggested above.

String's state does change post construction. Take a look at the hashcode() method. String caches the hashcode value in a local field but does not calculate it until the first call of hashcode(). This lazy evaluation of hashcode places String in an interesting position as an immutable object whose state changes, but it cannot be observed to have changed without using reflection.

So maybe the definition of immutable should be an object that cannot be observed to have changed.

If the state changes in an immutable object after it has been created but no-one can see it (without reflection) is the object still immutable?

There are two ways for case insensitive comparison:

1. Convert strings to upper case and then compare them using the strict operator (===). How strict operator treats operands read stuff at: http://www.thesstech.com/javascript/relational-logical-operators
2. Pattern matching using string methods:

Use the "search" string method for case insensitive search. Read about search and other string methods at: http://www.thesstech.com/pattern-matching-using-string-methods

<!doctype html>
  <html>
    <head>
      <script>

        // 1st way

        var a = "apple";
        var b = "APPLE";  
        if (a.toUpperCase() === b.toUpperCase()) {
          alert("equal");
        }

        //2nd way

        var a = " Null and void";
        document.write(a.search(/null/i)); 

      </script>
    </head>
</html>

This should work as well

text = 'the car? was big and* red!'

newtext = re.sub( '[^a-z0-9]', ' ', text)

print(newtext)

the car was big and red

A filter converting any dates in various ISO-related formats (and who'd use anything else after reading the writings of the Mighty Kuhn?) on standard input to seconds-since-the-epoch time on standard output might serve to illustrate both parts:

martind@whitewater:~$ cat `which isoToEpoch`
#!/usr/bin/perl -w
use strict;
use Time::Piece;
# sudo apt-get install libtime-piece-perl
while (<>) {
  # date --iso=s:
  # 2007-02-15T18:25:42-0800
  # Other matched formats:
  # 2007-02-15 13:50:29 (UTC-0800)
  # 2007-02-15 13:50:29 (UTC-08:00)
  s/(\d{4}-\d{2}-\d{2}([T ])\d{2}:\d{2}:\d{2})(?:\.\d+)? ?(?:\(UTC)?([+\-]\d{2})?:?00\)?/Time::Piece->strptime ($1, "%Y-%m-%d$2%H:%M:%S")->epoch - (defined ($3) ? $3 * 3600 : 0)/eg;
  print;
}
martind@whitewater:~$ 

If you just want the bitmap, This too works

InputStream inputStream = mContext.getContentResolver().openInputStream(uri);
Bitmap bmp = BitmapFactory.decodeStream(inputStream);
if( inputStream != null ) inputStream.close();

sample uri : content://media/external/images/media/12345

Two ways.

i. You can put it in ApplicationController and add the filters in the controller

    class ApplicationController < ActionController::Base       def filter_method       end     end      class FirstController < ApplicationController       before_filter :filter_method     end      class SecondController < ApplicationController       before_filter :filter_method     end 

But the problem here is that this method will be added to all the controllers since all of them extend from application controller

ii. Create a parent controller and define it there

 class ParentController < ApplicationController   def filter_method   end  end  class FirstController < ParentController   before_filter :filter_method end  class SecondController < ParentController   before_filter :filter_method end 

I have named it as parent controller but you can come up with a name that fits your situation properly.

You can also define the filter method in a module and include it in the controllers where you need the filter

How about making your app agnostic of the server's timezone?

Owing to any of these possible scenarios:

• You might not have control over the web/database server's timezone settings
• You might mess up and set the settings incorrectly
• There are so many settings as described in the other answers, and so many things to keep track of, that you might miss something
• An update on the server, or a software reset, or another admin, might unknowing reset the servers' timezone to the default - thus breaking your application

All of the above scenarios give rise to breaking of your application's time calculations. Thus it appears that the better approach is to make your application work independent of the server's timezone.

The idea is simply to always create dates in UTC before storing them into the database, and always re-create them from the stored values in UTC as well. This way, the time calculations won't ever be incorrect, because they're always in UTC. This can be achieved by explicity stating the DateTimeZone parameter when creating a PHP DateTime object.

On the other hand, the client side functionality can be configured to convert all dates/times received from the server to the client's timezone. Libraries like moment.js make this super easy to do.

For example, when storing a date in the database, instead of using the NOW() function of MySQL, create the timestamp string in UTC as follows:

// Storing dates
$date = new DateTime('now', new DateTimeZone('UTC'));
$sql = 'insert into table_name (date_column) values ("' . $date . '")';

// Retreiving dates
$sql = 'select date_column from table_name where condition';
$dateInUTC = new DateTime($date_string_from_db, new DateTimeZone('UTC'));

You can set the default timezone in PHP for all dates created, thus eliminating the need to initialize the DateTimeZone class every time you want to create a date.

Try this code it is already built in c#

int lastDay = DateTime.DaysInMonth (2014, 2);

and the first day is always 1.

Good Luck!

For Laravel 5.3 (and may be in other 5.X versions) put custom pagination code in you view folder.

resources/views/pagination/default.blade.php

@if ($paginator->hasPages())
    <ul class="pagination">
        {{-- Previous Page Link --}}
        @if ($paginator->onFirstPage())
            <li class="disabled"><span>&laquo;</span></li>
        @else
            <li><a href="{{ $paginator->previousPageUrl() }}" rel="prev">&laquo;</a></li>
        @endif

        {{-- Pagination Elements --}}
        @foreach ($elements as $element)
            {{-- "Three Dots" Separator --}}
            @if (is_string($element))
                <li class="disabled"><span>{{ $element }}</span></li>
            @endif

            {{-- Array Of Links --}}
            @if (is_array($element))
                @foreach ($element as $page => $url)
                    @if ($page == $paginator->currentPage())
                        <li class="active"><span>{{ $page }}</span></li>
                    @else
                        <li><a href="{{ $url }}">{{ $page }}</a></li>
                    @endif
                @endforeach
            @endif
        @endforeach

        {{-- Next Page Link --}}
        @if ($paginator->hasMorePages())
            <li><a href="{{ $paginator->nextPageUrl() }}" rel="next">&raquo;</a></li>
        @else
            <li class="disabled"><span>&raquo;</span></li>
        @endif
    </ul>
@endif

then call this pagination view file from the main view file as

{{ $posts->links('pagination.default') }}

Update the pagination/default.blade.php however you want

It works in 8.x versions as well.

$('textarea#message') cannot be undefined (if by $ you mean jQuery of course).

$('textarea#message') may be of length 0 and then $('textarea#message').val() would be empty that's all

std::copy cannot be used to insert into an empty container. To do that, you need to use an insert_iterator like so:

std::set<double> input;
input.insert(5);
input.insert(6);

std::vector<double> output;
std::copy(input.begin(), input.end(), inserter(output, output.begin())); 

.remove() is deprecated. instead we can use deleteMany

DateTime.deleteMany({}, callback).

Got this example from cppreference. It works with:

GCC 10.1+ with flag -std=c++20

#include <ranges>
#include <iostream>
 
int main()
{
    static constexpr auto il = {3, 1, 4, 1, 5, 9};
 
    std::ranges::reverse_view rv {il};
    for (int i : rv)
        std::cout << i << ' ';
 
    std::cout << '\n';
 
    for(int i : il | std::views::reverse)
        std::cout << i << ' ';
}

The other answers will work for most strings, but you can end up unescaping an already escaped double quote, which is probably not what you want.

To work correctly, you are going to need to escape all backslashes and then escape all double quotes, like this:

var test_str = '"first \\" middle \\" last "';
var result = test_str.replace(/\\/g, '\\\\').replace(/\"/g, '\\"');

depending on how you need to use the string, and the other escaped charaters involved, this may still have some issues, but I think it will probably work in most cases.

Should be probably changed to

firstName = firstName.trim().replaceAll("\\.", "");

npm set registry http://85.10.209.91/

(this proxy fetches the original data from registry.npmjs.org and manipulates the tarball urls to fix the tarball file structure issue).

The other solutions seem to have outdated versions.

The answers posted here all didn't quite work for me. They mainly skipped signing embedded frameworks (or including the entitlements).

Here's what's worked for me (it assumes that one ipa file exists is in the current directory):

PROVISION="/path/to/file.mobileprovision"
CERTIFICATE="Name of certificate: To sign with" # must be in the keychain

unzip -q *.ipa
rm -rf Payload/*.app/_CodeSignature/

# Replace embedded provisioning profile
cp "$PROVISION" Payload/*.app/embedded.mobileprovision

# Extract entitlements from app
codesign -d --entitlements :entitlements.plist Payload/*.app/

# Re-sign embedded frameworks
codesign -f -s "$CERTIFICATE" --entitlements entitlements.plist Payload/*.app/Frameworks/*

# Re-sign the app (with entitlements)
codesign -f -s "$CERTIFICATE" --entitlements entitlements.plist Payload/*.app/

zip -qr resigned.ipa Payload

# Cleanup
rm entitlements.plist
rm -r Payload/

I solved my issue by doing this:

• cut the entire main (CTRL X) out of the class (just for a few seconds),
• save the class file (CTRL S)
• paste the main back exactly at the same place (CTRL V)

Strangely it started working again after that.

The actual .box file is deleted by Vagrant once the download and box installation is complete. As mentioned in other answers, whilst downloading, the .box file is stored as:

~/.vagrant.d/tmp/boxXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

where the file name is 'box' followed by a 40 byte hexadecimal hash. A temporary file on my system for example, is:

~/.vagrant.d/tmp/boxc74a85fe4af3197a744851517c6af4d4959db77f

As far as I can tell, this file is never saved with a *.box extension, which explains why the searches above failed to locate it. There are two ways to retrieve the actual box file:

1. Download the .box file from vagrantcloud.com

   1. Find the box you're interested in on the atlas. For example, https://atlas.hashicorp.com/ubuntu/boxes/trusty64/versions/20150530.0.1
   2. Replace the domain name with vagrantcloud.com. So https://atlas.hashicorp.com/ubuntu/boxes/trusty64/versions/20150530.0.1 becomes https://vagrantcloud.com/ubuntu/boxes/trusty64/versions/20150530.0.1/providers/virtualbox.box.
   3. Add /providers/virtualbox.box to the end of that URL. So https://vagrantcloud.com/ubuntu/boxes/trusty64/versions/20150530.0.1 becomes https://vagrantcloud.com/ubuntu/boxes/trusty64/versions/20150530.0.1/providers/virtualbox.box
   4. Save the .box file
   5. Use the .box as you wish, for example, hosting it yourself and pointing config.vm.box_url to the URL. OR

2. Get the .box directly from Vagrant

   This requires you to modify the ruby source to prevent Vagrant from deleting the box after successful download.

   1. Locate the box_add.rb file in your Vagrant installation directory. On my system it's located at /Applications/Vagrant/embedded/gems/gems/vagrant-1.5.2/lib/vagrant/action/builtin/box_add.rb
   2. Find the box_add function. Within the box_add function, there is a block that reads:

      ensure # Make sure we delete the temporary file after we add it, # unless we were interrupted, in which case we keep it around # so we can resume the download later. if !@download_interrupted @logger.debug("Deleting temporary box: #{box_url}") begin box_url.delete if box_url rescue Errno::ENOENT # Not a big deal, the temp file may not actually exist end end

   3. Comment this block out.
   4. Add another box using vagrant add box <boxname>.
   5. Wait for it to download. You can watch it save in the ~/.vagrant.d/tmp/ directory as a boxXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX file.
   6. Rename the the file to something more useful. Eg, mv boxXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX trusty64.box.

Why would you want this?

For me, this has been useful to retrieve the .box file so it can be hosted on local, fast infrastructure as opposed to downloading from HashiCorp's Atlas box catalog or another box provider.

This really should be part of the default Vagrant functionality as it has a very definitive use case.

I think you meant something like this: JSON Visualization

Don't know if you might use it, but you might ask the author.

Netstat tool simply parses some /proc files like /proc/net/tcp and combines it with other files contents. Yep, it's highly platform specific, but for Linux-only solution you can stick with it. Linux kernel documentation describes these files in details so you can find there how to read them.

Please also notice your question is too ambiguous because "port" could also mean serial port (/dev/ttyS* and analogs), parallel port, etc.; I've reused understanding from another answer this is network port but I'd ask you to formulate your questions more accurately.

I'd go with window.location = "http://...";. I've been coding cross-browser JavaScript for a few years, and I've never experienced problems using this approach.

window.navigate and window.location.href seems a bit odd to me.

You could also use box-shadow property with higher value of blur and rgba() color to set opacity level. Sounds like a better choice in your case.

box-shadow: 0 30px 40px rgba(0,0,0,.1);

You may have made some new commits in the detached HEAD state. I believe if you do as other answers advise:

git checkout master
# or
git checkout -

then you may lose your commits!! Instead, you may want to do this:

# you are currently in detached HEAD state
git checkout -b commits-from-detached-head

and then merge commits-from-detached-head into whatever branch you want, so you don't lose the commits.

When nesting repetition operators, make absolutely sure that there is only one way to match the same match.

Output buffering is used by PHP to improve performance and to perform a few tricks.

• You can have PHP store all output into a buffer and output all of it at once improving network performance.

• You can access the buffer content without sending it back to browser in certain situations.

Consider this example:

<?php
    ob_start( );
    phpinfo( );
    $output = ob_get_clean( );
?>

The above example captures the output into a variable instead of sending it to the browser. output_buffering is turned off by default.

• You can use output buffering in situations when you want to modify headers after sending content.

Consider this example:

<?php
    ob_start( );
    echo "Hello World";
    if ( $some_error )
    {
        header( "Location: error.php" );
        exit( 0 );
    }
?>

Shorter version that works perfect for me that is as follow:

document.querySelector('#fileUpload').value = "";

Based on the previous answers, here is another solution which returns the same result as df2.teams.apply(pd.Series) with a much faster run time:

pd.DataFrame([{x: y for x, y in enumerate(item)} for item in df2['teams'].values.tolist()], index=df2.index)

Timings:

In [1]:
import pandas as pd
d1 = {'teams': [['SF', 'NYG'],['SF', 'NYG'],['SF', 'NYG'],
                ['SF', 'NYG'],['SF', 'NYG'],['SF', 'NYG'],['SF', 'NYG']]}
df2 = pd.DataFrame(d1)
df2 = pd.concat([df2]*1000).reset_index(drop=True)

In [2]: %timeit df2['teams'].apply(pd.Series)

8.27 s ± 2.73 s per loop (mean ± std. dev. of 7 runs, 1 loop each)

In [3]: %timeit pd.DataFrame([{x: y for x, y in enumerate(item)} for item in df2['teams'].values.tolist()], index=df2.index)

35.4 ms ± 5.22 ms per loop (mean ± std. dev. of 7 runs, 10 loops each)

div tags are used to style the webpage so that it look visually appealing for the users or audience of the website. using container-div in html will make the website look more professional and attractive and therefore more people will want to explore your page.

Use html2canvas just include plugin and call method to convert HTML to Canvas then download as image PNG

        html2canvas(document.getElementById("image-wrap")).then(function(canvas) {
            var link = document.createElement("a");
            document.body.appendChild(link);
            link.download = "manpower_efficiency.jpg";
            link.href = canvas.toDataURL();
            link.target = '_blank';
            link.click();
        });

Source: http://www.freakyjolly.com/convert-html-document-into-image-jpg-png-from-canvas/

You need to install XCode AND you need to make sure you install the command line tools for XCode so you can get gcc.

It will redirects to index.html on localhost:8080 call.

app.get('/',function(req,res){
    res.sendFile('index.html', { root: __dirname });
});

Like others, I've found that the plugin can be made (via JS) to shrink when the container shrinks, but afterwards will not grow when it expands.

The issue is that the original FB.XFBML.parse() creates a set of child nodes with fixed styles in the document tree, and later invocations will not properly clean out the old nodes. If you do it yourself in your code, all is well.

Facebook HTML (I merely added ID elements to what Facebook provided, to avoid any selector accidents):

<div id="divFacebookFeed" class="fb-page" data-href="..." ...>
    <blockquote id="bqNoFeed" cite="(your URL)" class="fb-xfbml-parse-ignore">
        <a href="(your URL)">Your Site</a>
    </blockquote>
</div>

...JQuery code to resize the widget to 500px and preserve the inner fallback element:

var bq = $('#bqNoFeed').detach();
var fbdiv = $('#divFacebookFeed');

fbdiv.attr('data-width', 500);
fbdiv.empty();
fbdiv.append(bq);
FB.XFBML.parse();

I think what you are being asked to do (or perhaps asking yourself?) is take a character value which matches the name of a column in a particular dataframe (possibly also given as a character). There are two tricks here. Most people learn to extract columns with the "$" operator and that won't work inside a function if the function is passed a character vecor. If the function is also supposed to accept character argument then you will need to use the get function as well:

 df1 <- data.frame(a=1:10, b=11:20)
 mean_col <- function( dfrm, col ) mean( get(dfrm)[[ col ]] )
 mean_col("df1", "b")
 # [1] 15.5

There is sort of a semantic boundary between ordinary objects like character vectors and language objects like the names of objects. The get function is one of the functions that lets you "promote" character values to language level evaluation. And the "$" function will NOT evaluate its argument in a function, so you need to use"[[". "$" only is useful at the console level and needs to be completely avoided in functions.

Not pretty. Definitely not pretty:

ls $Env:windir\Microsoft.NET\Framework | ? { $_.PSIsContainer } | select -exp Name -l 1

This may or may not work. But as far as the latest version is concerned this should be pretty reliable, as there are essentially empty folders for old versions (1.0, 1.1) but not newer ones – those only appear once the appropriate framework is installed.

Still, I suspect there must be a better way.

If you're having trouble getting to the time information, you can try something like this:

    d.date = d.date.replace('/Date(', '');
    d.date = d.date.replace(')/', '');  
    var expDate = new Date(parseInt(d.date));

You shold use the keys() or names() method. keys() will give you an iterator containing all the String property names in the object while names() will give you an array of all key String names.

You can get the JSONObject documentation here

http://developer.android.com/reference/org/json/JSONObject.html

Column names vs Names of Series

I would like to explain a bit what happens behind the scenes.

Dataframes are a set of Series.

Series in turn are an extension of a numpy.array.

numpy.arrays have a property .name.

This is the name of the series. It is seldom that Pandas respects this attribute, but it lingers in places and can be used to hack some Pandas behaviors.

Naming the list of columns

A lot of answers here talks about the df.columns attribute being a list when in fact it is a Series. This means it has a .name attribute.

This is what happens if you decide to fill in the name of the columns Series:

df.columns = ['column_one', 'column_two']
df.columns.names = ['name of the list of columns']
df.index.names = ['name of the index']

name of the list of columns     column_one  column_two
name of the index
0                                    4           1
1                                    5           2
2                                    6           3

Note that the name of the index always comes one column lower.

Artefacts that linger

The .name attribute lingers on sometimes. If you set df.columns = ['one', 'two'] then the df.one.name will be 'one'.

If you set df.one.name = 'three' then df.columns will still give you ['one', 'two'], and df.one.name will give you 'three'.

BUT

pd.DataFrame(df.one) will return

    three
0       1
1       2
2       3

Because Pandas reuses the .name of the already defined Series.

Multi-level column names

Pandas has ways of doing multi-layered column names. There is not so much magic involved, but I wanted to cover this in my answer too since I don't see anyone picking up on this here.

    |one            |
    |one      |two  |
0   |  4      |  1  |
1   |  5      |  2  |
2   |  6      |  3  |

This is easily achievable by setting columns to lists, like this:

df.columns = [['one', 'one'], ['one', 'two']]

Use array_unshift($array, $item);

$arr = array('item2', 'item3', 'item4');
array_unshift($arr , 'item1');
print_r($arr);

will give you

Array
(
 [0] => item1
 [1] => item2
 [2] => item3
 [3] => item4
)

Try a query like

INSERT INTO NEW_TABLENAME SELECT * FROM OLD_TABLENAME;

From How to get full date with correct format?:

Please, use

android.text.format.DateFormat.getDateFormat(Context context)
android.text.format.DateFormat.getTimeFormat(Context context)

to get valid time and date formats in sense of current user settings (12/24 time format, for example).

import android.text.format.DateFormat;

private void some() {
    final Calendar t = Calendar.getInstance();
    textView.setText(DateFormat.getTimeFormat(this/*Context*/).format(t.getTime()));
}

Step 1, go to C:\Users<you>\AppData\Roaming, delete the whole folder [sqldeveloper]

Step 2, click on your shortcut sqldeveloper to start Sql developer

Step 3, the window will popup again to ask for a JRE location, choose a suitable one.

If it still doesn't work, execute again from step 1 to 3, remember to change JRE location every time until it works.

I wrote a simple connect middleware for simulating url-rewriting on grunt projects. https://gist.github.com/muratcorlu/5803655

You can use like that:

module.exports = function(grunt) {
  var urlRewrite = require('grunt-connect-rewrite');

  // Project configuration.
  grunt.initConfig({
    connect: {
      server: {
        options: {
          port: 9001,
          base: 'build',
          middleware: function(connect, options) {
            // Return array of whatever middlewares you want
            return [
              // redirect all urls to index.html in build folder
              urlRewrite('build', 'index.html'),

              // Serve static files.
              connect.static(options.base),

              // Make empty directories browsable.
              connect.directory(options.base)
            ];
          }
        }
      }
    }
  })
};

Yes, it is possible to run PowerShell through the run window. However, it would be burdensome and you will need to enter in the password for computer. This is similar to how you will need to set up when you run cmd:

runas /user:(ComputerName)\(local admin) powershell.exe

So a basic example would be:

runas /user:MyLaptop\[email protected]  powershell.exe

You can find more information on this subject in Runas.

However, you could also do one more thing :

• 1: `Windows+R`
• 2: type: `powershell`
• 3: type: `Start-Process powershell -verb runAs`

then your system will execute the elevated powershell.

SELECT [UserID] FROM [User] u LEFT JOIN (
SELECT [TailUser], [Weight] FROM [Edge] WHERE [HeadUser] = 5043) t on t.TailUser=u.USerID

For proper functional programming and chaining purposes an invention of Array.prototype.insert() is essential. Actually splice could have been perfect if it had returned the mutated array instead of a totally meaningless empty array. So here it goes

Array.prototype.insert = function(i,...rest){_x000D_
  this.splice(i,0,...rest)_x000D_
  return this_x000D_
}_x000D_
_x000D_
var a = [3,4,8,9];_x000D_
document.write("<pre>" + JSON.stringify(a.insert(2,5,6,7)) + "</pre>");

Well ok the above with the Array.prototype.splice() one mutates the original array and some might complain like "you shouldn't modify what doesn't belong to you" and that might turn out to be right as well. So for the public welfare i would like to give another Array.prototype.insert() which doesn't mutate the original array. Here it goes;

Array.prototype.insert = function(i,...rest){_x000D_
  return this.slice(0,i).concat(rest,this.slice(i));_x000D_
}_x000D_
_x000D_
var a = [3,4,8,9],_x000D_
    b = a.insert(2,5,6,7);_x000D_
console.log(JSON.stringify(a));_x000D_
console.log(JSON.stringify(b));

enter code here

import numpy as np

clrs = np.linspace( 0, 1, 18 )  # It will generate 
# color only for 18 for more change the number
np.random.shuffle(clrs)
colors = []
for i in range(0, 72, 4):
    idx = np.arange( 0, 18, 1 )
    np.random.shuffle(idx)
    r = clrs[idx[0]]
    g = clrs[idx[1]]
    b = clrs[idx[2]]
    a = clrs[idx[3]]
    colors.append([r, g, b, a])

TLDR: TypedJSON (working proof of concept)

The root of the complexity of this problem is that we need to deserialize JSON at runtime using type information that only exists at compile time. This requires that type-information is somehow made available at runtime.

Fortunately, this can be solved in a very elegant and robust way with decorators and ReflectDecorators:

1. Use property decorators on properties which are subject to serialization, to record metadata information and store that information somewhere, for example on the class prototype
2. Feed this metadata information to a recursive initializer (deserializer)

Recording Type-Information

With a combination of ReflectDecorators and property decorators, type information can be easily recorded about a property. A rudimentary implementation of this approach would be:

function JsonMember(target: any, propertyKey: string) {
    var metadataFieldKey = "__propertyTypes__";

    // Get the already recorded type-information from target, or create
    // empty object if this is the first property.
    var propertyTypes = target[metadataFieldKey] || (target[metadataFieldKey] = {});

    // Get the constructor reference of the current property.
    // This is provided by TypeScript, built-in (make sure to enable emit
    // decorator metadata).
    propertyTypes[propertyKey] = Reflect.getMetadata("design:type", target, propertyKey);
}

For any given property, the above snippet will add a reference of the constructor function of the property to the hidden __propertyTypes__ property on the class prototype. For example:

class Language {
    @JsonMember // String
    name: string;

    @JsonMember// Number
    level: number;
}

class Person {
    @JsonMember // String
    name: string;

    @JsonMember// Language
    language: Language;
}

And that's it, we have the required type-information at runtime, which can now be processed.

Processing Type-Information

We first need to obtain an Object instance using JSON.parse -- after that, we can iterate over the entires in __propertyTypes__ (collected above) and instantiate the required properties accordingly. The type of the root object must be specified, so that the deserializer has a starting-point.

Again, a dead simple implementation of this approach would be:

function deserialize<T>(jsonObject: any, Constructor: { new (): T }): T {
    if (!Constructor || !Constructor.prototype.__propertyTypes__ || !jsonObject || typeof jsonObject !== "object") {
        // No root-type with usable type-information is available.
        return jsonObject;
    }

    // Create an instance of root-type.
    var instance: any = new Constructor();

    // For each property marked with @JsonMember, do...
    Object.keys(Constructor.prototype.__propertyTypes__).forEach(propertyKey => {
        var PropertyType = Constructor.prototype.__propertyTypes__[propertyKey];

        // Deserialize recursively, treat property type as root-type.
        instance[propertyKey] = deserialize(jsonObject[propertyKey], PropertyType);
    });

    return instance;
}

var json = '{ "name": "John Doe", "language": { "name": "en", "level": 5 } }';
var person: Person = deserialize(JSON.parse(json), Person);

The above idea has a big advantage of deserializing by expected types (for complex/object values), instead of what is present in the JSON. If a Person is expected, then it is a Person instance that is created. With some additional security measures in place for primitive types and arrays, this approach can be made secure, that resists any malicious JSON.

Edge Cases

However, if you are now happy that the solution is that simple, I have some bad news: there is a vast number of edge cases that need to be taken care of. Only some of which are:

• Arrays and array elements (especially in nested arrays)
• Polymorphism
• Abstract classes and interfaces
• ...

If you don't want to fiddle around with all of these (I bet you don't), I'd be glad to recommend a working experimental version of a proof-of-concept utilizing this approach, TypedJSON -- which I created to tackle this exact problem, a problem I face myself daily.

Due to how decorators are still being considered experimental, I wouldn't recommend using it for production use, but so far it served me well.

You can try -Xbootclasspath/a:path option of java application launcher. By description it specifies "a colon-separated path of directires, JAR archives, and ZIP archives to append to the default bootstrap class path."

If you are allowed to run real native binaries, then this is your compiler:

https://github.com/ircmaxell/php-compiler

It's a PHP compiler written in PHP!

It compiles PHP code to its own VM code. This VM code can then either be interpreted by its own interpreter (also written in PHP, isn't that crazy?) or it can be translated to Bitcode. And using the LLVM compiler framework (clang and co), this Bitcode can be compiled into a native binary for any platform that LLVM supports (pretty much any platform that matters today). You can choose to either do that statically or each time just before the code is executed (JIT style). So the only two requirements for this compiler to work on your system is an installed PHP interpreter and an installed clang compiler.

If you are not allowed to run native binaries, you could use the compiler above as an interpreter and let it interpret its own VM code, yet this will be slow as you are running a PHP interpreter that itself is running on a PHP engine, so you have a "double interpretation".

 h1 { font-size: 150%; }
 h2 { font-size: 120%; }

Tune as needed.

In Java 7 you have the new Paths api. The modern and cleanest solution is:

Paths.get("C:/aaa/bbb/ccc/ddd/test.java").getParent().getFileName();

Result would be:

C:/aaa/bbb/ccc/ddd

Yes, Microsoft announced that xamrin is now free with VS15 and other latest versions.

A corresponding cross for ✓ ✓ would be ✗ ✗ I think (Dingbats).

Explanation from the Preshing on Programming blog:

It’s handy when you have two related operations which you’d like to execute as a pair, with a block of code in between. The classic example is opening a file, manipulating the file, then closing it:

 with open('output.txt', 'w') as f:
     f.write('Hi there!')

The above with statement will automatically close the file after the nested block of code. (Continue reading to see exactly how the close occurs.) The advantage of using a with statement is that it is guaranteed to close the file no matter how the nested block exits. If an exception occurs before the end of the block, it will close the file before the exception is caught by an outer exception handler. If the nested block were to contain a return statement, or a continue or break statement, the with statement would automatically close the file in those cases, too.

Creating a truly compile-time generated constant dictionary in C# is not really a straightforward task. Actually, none of the answers here really achieve that.

There is one solution though which meets your requirements, although not necessarily a nice one; remember that according to the C# specification, switch-case tables are compiled to constant hash jump tables. That is, they are constant dictionaries, not a series of if-else statements. So consider a switch-case statement like this:

switch (myString)
{
   case "cat": return 0;
   case "dog": return 1;
   case "elephant": return 3;
}

This is exactly what you want. And yes, I know, it's ugly.

I have made a registry edit script to open Cygwin at any folder you right click. It's on my GitHub.

Here's my GitHub

Sample RegEdit code from Github for 64-bit machines:

REGEDIT4

[HKEY_CLASSES_ROOT\Directory\shell\CygwinHere]
@="&Cygwin Bash Here"

[HKEY_CLASSES_ROOT\Directory\shell\CygwinHere\command]
@="C:\\cygwin64\\bin\\mintty.exe -i /Cygwin-Terminal.ico C:\\cygwin64\\bin\\bash.exe --login -c \"cd \\\"%V\\\" ; exec bash -rcfile ~/.bashrc\""

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Directory\Background\shell\CygwinHere]
@="&Cygwin Bash Here"

[HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Directory\Background\shell\CygwinHere\command]
@="C:\\cygwin64\\bin\\mintty.exe -i /Cygwin-Terminal.ico C:\\cygwin64\\bin\\bash.exe --login -c \"cd \\\"%V\\\" ; exec bash -rcfile ~/.bashrc\""

You can make a shortcut somewhere and as the target use: python yourscript.py then under properties and advanced select run as administrator.

When the user executes the shortcut it will ask them to elevate the application.

Use ctrl+R or cmd+R in OSX

After formatting the previous answer to my own code, I have found an efficient way to copy all necessary data if you are attempting to paste the values returned via AutoFilter to a separate sheet.

With .Range("A1:A" & LastRow)
    .Autofilter Field:=1, Criteria1:="=*" & strSearch & "*"
    .Offset(1,0).SpecialCells(xlCellTypeVisible).Cells.Copy
    Sheets("Sheet2").activate
    DestinationRange.PasteSpecial
End With

In this block, the AutoFilter finds all of the rows that contain the value of strSearch and filters out all of the other values. It then copies the cells (using offset in case there is a header), opens the destination sheet and pastes the values to the specified range on the destination sheet.

I found a Problem with marquee that it can't be used for short strings(As its function is only to Show Long strings).

I suggest Use Webview If you want to move short strings horizontally. Main_Activity.java Code:`

        WebView webView;

        webView = (WebView)findViewById(R.id.web);


        String summary = "<html><FONT color='#fdb728' FACE='courier'><marquee behavior='scroll' direction='left' scrollamount=10>"
                + "Hello Droid" + "</marquee></FONT></html>";

        webView.loadData(summary, "text/html", "utf-8"); // Set focus to the textview
`

main_activity.xml code:

<WebView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/web"
        ></WebView>

Here you go:

$('td[id^="' + value +'"]')

so if the value is for instance 'foo', then the selector will be 'td[id^="foo"]'.

Note that the quotes are mandatory: [id^="...."].

Source: http://api.jquery.com/attribute-starts-with-selector/

I like np.dot (dot product):

a = numpy.array((xa,ya,za))
b = numpy.array((xb,yb,zb))

distance = (np.dot(a-b,a-b))**.5

Why not simply use:

h1 { color: transparent; }

The regular expression you are looking for is simply this:

[0-9]

You do not mention what language you are using. If your regular expression evaluator forces REs to be anchored, you need this:

.*[0-9].*

Some RE engines (modern ones!) also allow you to write the first as \d (mnemonically: digit) and the second would then become .*\d.*.

<form action="" method="POST" enctype="multipart/form-data">
  Select image to upload:
  <input type="file"   name="file[]" multiple/>
  <input type="submit" name="submit" value="Upload Image" />
</form>

Using FOR Loop

<?php    
  $file_dir  = "uploads";    
  if (isset($_POST["submit"])) {

    for ($x = 0; $x < count($_FILES['file']['name']); $x++) {               

      $file_name   = $_FILES['file']['name'][$x];
      $file_tmp    = $_FILES['file']['tmp_name'][$x];

      /* location file save */
      $file_target = $file_dir . DIRECTORY_SEPARATOR . $file_name; /* DIRECTORY_SEPARATOR = / or \ */

      if (move_uploaded_file($file_tmp, $file_target)) {                        
        echo "{$file_name} has been uploaded. <br />";                      
      } else {                      
        echo "Sorry, there was an error uploading {$file_name}.";                               
      }                 

    }               
  }    
?>

Using FOREACH Loop

<?php
  $file_dir  = "uploads";    
  if (isset($_POST["submit"])) {

    foreach ($_FILES['file']['name'] as $key => $value) {                   

      $file_name   = $_FILES['file']['name'][$key];
      $file_tmp    = $_FILES['file']['tmp_name'][$key];

      /* location file save */
      $file_target = $file_dir . DIRECTORY_SEPARATOR . $file_name; /* DIRECTORY_SEPARATOR = / or \ */

      if (move_uploaded_file($file_tmp, $file_target)) {                        
        echo "{$file_name} has been uploaded. <br />";                      
      } else {                      
        echo "Sorry, there was an error uploading {$file_name}.";                               
      }                 

    }               
  }
?>

This is old, but what about ASC?

Another Way that I used was: 1) created a file in app\FolderName\fileName.php and had this code inside it i.e

<?php
namespace App\library
{
 class hrapplication{
  public static function libData(){
   return "Data";
  }
 }
}
?>

2) After that in our blade

 $FmyFunctions = new \App\FolderName\classsName;
  echo $is_ok = ($FmyFunctions->libData());

that's it. and it works

UPDATED - Homebrew version after 1.5

According to the official Homebrew page:

On 1st March 2018 the python formula will be upgraded to Python 3.x and a python@2 formula will be added for installing Python 2.7 (although this will be keg-only so neither python nor python2 will be added to the PATH by default without a manual brew link --force). We will maintain python2, python3 and python@3 aliases.

So to install Python 3, run the following command:

brew install python3

Then, the pip or pip3 is installed automatically, and you can install any package by pip install <package>.

The older version of Homebrew

Not only brew install python3 but also brew postinstall python3

So you must run:

brew install python3
brew postinstall python3

Note that you should check the console, as it might get you errors and in that case, the pip3 is not installed.

works

scp localhost:"f/a\ b\ c" .

scp localhost:'f/a\ b\ c' .

does not work

scp localhost:'f/a b c' .

The reason is that the string is interpreted by the shell before the path is passed to the scp command. So when it gets to the remote the remote is looking for a string with unescaped quotes and it fails

To see this in action, start a shell with the -vx options ie bash -vx and it will display the interpolated version of the command as it runs it.

And even simpler using IN:

SELECT ads.*, location.county 
  FROM ads
  LEFT JOIN location ON location.county = ads.county_id
  WHERE ads.published = 1 
        AND ads.type = 13
        AND ads.county_id IN (2,5,7,9)

Basically, what IntelliJ needs is svn.exe. You will need to install Subversion for Windows. It automatically adds svn.exe to PATH environment variable. After installing, please restart IntelliJ.

Note - Tortoise SVN doesn't install svn.exe, at least I couldn't find it in my TortoiseSVN bin directory.

sprintf('%.2f', number) is a cryptic, but very powerful way of formatting numbers. The result is always a string, but since you're rounding I assume you're doing it for presentation purposes anyway. sprintf can format any number almost any way you like, and lots more.

Full sprintf documentation: http://www.ruby-doc.org/core-2.0.0/Kernel.html#method-i-sprintf

Sample from apache conf:

#Default value is 2 minutes
**Timeout 600**
ProxyRequests off
ProxyPass /app balancer://MyApp stickysession=JSESSIONID lbmethod=bytraffic nofailover=On
ProxyPassReverse /app balancer://MyApp
ProxyTimeout 600
<Proxy balancer://MyApp>
    BalancerMember http://node1:8080/ route=node1 retry=1 max=25 timeout=600
    .........
</Proxy>

Try to create a new database and import every table, query etc into this new database. With this import Access recreates all the objects from scratch. If there is some sort of corruption in an object, it should be solved.

If you're Lucky only the corrupted item(s) will be lost, if any.

UPDATE - I do not have Total DNS enabled at GoDaddy because the domain is hosted at DiscountASP. As such, I could not add an A Record and that is why GoDaddy was only offering to forward my subdomain to a different site. I finally realized that I had to go to DiscountASP to add the A Record to point to DreamHost. Now waiting to see if it all works!

Of course, use the stinkin' IP! I'm not sure why that wasn't registering for me. I guess their helper text example of pointing to another url was throwing me off.

Thanks for both of the replies. I 'got it' as soon as I read Bryant's response which was first but Saif kicked it up a notch and added a little more detail.

Thanks!

I already have used Reportlab in one project.

This is likely when you have a PRIMARY KEY field and you are inserting a value that is duplicating or you have the INSERT_IDENTITY flag set to on

Your images are not centered because your list items are not centered; only their text is centered. You can achieve the positioning you want by either centering the entire list or centering the images within the list.

A revised version of your code can be found at the bottom. In my revision I center both the list and the images within it.

The truth is you cannot center an element that has a position set to absolute.

But this behavior can be imitated!

Note: These instructions will work with any DOM block element, not just img.

1. Surround your image with a div or other tag (in your case a li).

   <div class="absolute-div">
     <img alt="my-image" src="#">
   </div>
   

   Note: The names given to these elements are not special.

2. Alter your css or scss to give the div absolute positioning and your image centered.

   .absolute-div {
     position: absolute;
   
     width: 100%; 
     // Range to be centered over. 
   
     // If this element's parent is the body then 100% = the window's width
   
     // Note: You can apply additional top/bottom and left/right attributes
     // i.e. - top: 200px; left: 200px;
   
     // Test for desired positioning.
   }
   
   .absolute-div img {
     width: 500px;
     // Note: Setting a width is crucial for margin: auto to work.
   
     margin: 0 auto;
   }
   

And there you have it! Your img should be centered!

Your code:

Try this out:

body_x000D_
{_x000D_
  text-align : center;_x000D_
}_x000D_
_x000D_
#slideshow_x000D_
{_x000D_
  list-style : none;_x000D_
  width      : 800px;_x000D_
  // alter to taste_x000D_
_x000D_
  margin     : 50px auto 0;_x000D_
}_x000D_
_x000D_
#slideshow li_x000D_
{_x000D_
  position : absolute;_x000D_
}_x000D_
_x000D_
#slideshow img_x000D_
{_x000D_
  border  : 1px solid #CCC;_x000D_
  padding : 4px;_x000D_
  height  : 500px;_x000D_
  width   : auto;_x000D_
  // This sets the width relative to your set height._x000D_
_x000D_
  // Setting a width is required for the margin auto attribute below. _x000D_
_x000D_
  margin  : 0 auto;_x000D_
}

<ul id="slideshow">_x000D_
    <li><img src="http://lorempixel.com/500/500/nature/" alt="Dummy 1" /></li>_x000D_
    <li><img src="http://lorempixel.com/500/500/nature/" alt="Dummy 2" /></li>_x000D_
</ul>

I hope this was helpful. Good luck!

Based on the answers by Ben Carp and Wallace Sidhrée:

This is what I use to copy my entire build folder to my wamp public folder.

package.json

{
  "name": "[your project name]",
  "homepage": "http://localhost/[your project name]/",
  "version": "0.0.1",
  [...]
  "scripts": {
    "build": "react-scripts build",
    "postbuild": "@powershell -NoProfile -ExecutionPolicy Unrestricted -Command ./post_build.ps1",
    [...]
  },
}

post_build.ps1

Copy-Item "./build/*" -Destination "C:/wamp64/www/[your project name]" -Recurse -force

The homepage line is only needed if you are deploying to a subfolder on your server (See This answer from another question).

You need to increase the Android emulator's memory capacity. There are two ways for that:

1. Right click the root of your Android Project, go to "Run As" and then go to "Run Configurations...". Locate the "Android Application" node in the tree at the left, and then select your project and go to the "Target" tab on the right side of the window look down for the "Additional Emulator Command Line Options" field (sometimes you'll need to make the window larger) and finally paste "-partition-size 1024" there. Click Apply and then Run to use your emulator.

2. Go to Eclipse's Preferences, and then select “Launch” Add “-partition-size 1024” on the “Default emulator option” field. Click “Apply” and use your emulator as usual.

$ cat foo.md
Key 1 | Value 1
Key 2 | Value 2

$ kramdown foo.md
<table>
  <tbody>
    <tr>
      <td>Key 1</td>
      <td>Value 1</td>
    </tr>
    <tr>
      <td>Key 2</td>
      <td>Value 2</td>
    </tr>
  </tbody>
</table>

To determine if the array is sparse, it may help to get a proportion of nan values

np.isnan(ndarr).sum() / ndarr.size

If that proportion exceeds a threshold, then use a sparse array, e.g. - https://sparse.pydata.org/en/latest/

The default System.Net.ServicePointManager.SecurityProtocol in both .NET 4.0/4.5 is SecurityProtocolType.Tls|SecurityProtocolType.Ssl3.

.NET 4.0 supports up to TLS 1.0 while .NET 4.5 supports up to TLS 1.2

However, an application targeting .NET 4.0 can still support up to TLS 1.2 if .NET 4.5 is installed in the same environment. .NET 4.5 installs on top of .NET 4.0, replacing System.dll.

I've verified this by observing the correct security protocol set in traffic with fiddler4 and by manually setting the enumerated values in a .NET 4.0 project:

ServicePointManager.SecurityProtocol = (SecurityProtocolType)192 |
(SecurityProtocolType)768 | (SecurityProtocolType)3072;

Reference:

namespace System.Net
{
    [System.Flags]
    public enum SecurityProtocolType
    {
       Ssl3 = 48,
       Tls = 192,
       Tls11 = 768,
       Tls12 = 3072,
    }
}

If you attempt the hack on an environment with ONLY .NET 4.0 installed, you will get the exception:

Unhandled Exception: System.NotSupportedException: The requested security protocol is not supported. at System.Net.ServicePointManager.set_SecurityProtocol(SecurityProtocolType v alue)

However, I wouldn't recommend this "hack" since a future patch, etc. may break it.*

Therefore, I've decided the best route to remove support for SSLv3 is to:

1. Upgrade all applications to .NET 4.5

2. Add the following to boostrapping code to override the default and future proof it:

   System.Net.ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls12;

*Someone correct me if this hack is wrong, but initial tests I see it works

My study shows that finish() method actually places some destruction operations in the queue, but the Activity is not destroyed immediately. The destruction is scheduled though.

For example, if you place finish() in onActivityResult() callback, while onResume() has yet to run, then first onResume() will be executed, and only after that onStop() and onDestroy() are called.

NOTE: onDestroy() may not be called at all, as stated on the documentation.

myList = [i.split('\t')[0] for i in myList] 

That depends on what headers you are sending along with your CSS files. Check your server configuration as you are probably not sending them manually. Do a google search for "http caching" to learn about different caching options you can set. You can force the browser to download a fresh copy of the file everytime it loads it for instance, or you can cache the file for one week...

Just for simplicity I encapsulated Andreas Grech's great answer above in some functions. For those who want a bit of cut-and-paste happiness.

function getTotalWidthOfObject(object) {

    if(object == null || object.length == 0) {
        return 0;
    }

    var value       = object.width();
    value           += parseInt(object.css("padding-left"), 10) + parseInt(object.css("padding-right"), 10); //Total Padding Width
    value           += parseInt(object.css("margin-left"), 10) + parseInt(object.css("margin-right"), 10); //Total Margin Width
    value           += parseInt(object.css("borderLeftWidth"), 10) + parseInt(object.css("borderRightWidth"), 10); //Total Border Width
    return value;
}

function  getTotalHeightOfObject(object) {

    if(object == null || object.length == 0) {
        return 0;
    }

    var value       = object.height();
    value           += parseInt(object.css("padding-top"), 10) + parseInt(object.css("padding-bottom"), 10); //Total Padding Width
    value           += parseInt(object.css("margin-top"), 10) + parseInt(object.css("margin-bottom"), 10); //Total Margin Width
    value           += parseInt(object.css("borderTopWidth"), 10) + parseInt(object.css("borderBottomWidth"), 10); //Total Border Width
    return value;
}

Windows uses a different epoch and time units: see Convert Windows Filetime to second in Unix/Linux

What std::time() returns on Windows is (as yet) unknown to me (;-))

The sessions are handled by the NAS device. What you are asking is dependant on the NAS device and nothing to do with windows. You would have to have a look into your NAS firmware to see to what it support. The only other way is sniff the packets and work it out yourself.

So, I hear this works:

Data$X1<-as.character(Data$X1)
Data$GEOID<-as.character(Data$BLKIDFP00)
Data<-within(Data,X1<-ifelse(is.na(Data$X1),GEOID,Data$X2)) 

But I admit I have only intermittent luck with it.

SQL> select Username from dba_users
  2  ;

USERNAME
------------------------------
SYS
SYSTEM
ANONYMOUS
APEX_PUBLIC_USER
FLOWS_FILES
APEX_040000
OUTLN
DIP
ORACLE_OCM
XS$NULL
MDSYS

USERNAME
------------------------------
CTXSYS
DBSNMP
XDB
APPQOSSYS
HR

16 rows selected.

SQL> create user testdb identified by password;

User created.

SQL> select username from dba_users;

USERNAME
------------------------------
TESTDB
SYS
SYSTEM
ANONYMOUS
APEX_PUBLIC_USER
FLOWS_FILES
APEX_040000
OUTLN
DIP
ORACLE_OCM
XS$NULL

USERNAME
------------------------------
MDSYS
CTXSYS
DBSNMP
XDB
APPQOSSYS
HR

17 rows selected.

SQL> grant create session to testdb;

Grant succeeded.

SQL> create tablespace testdb_tablespace
  2  datafile 'testdb_tabspace.dat'
  3  size 10M autoextend on;

Tablespace created.

SQL> create temporary tablespace testdb_tablespace_temp
  2  tempfile 'testdb_tabspace_temp.dat'
  3  size 5M autoextend on;

Tablespace created.

SQL> drop user testdb;

User dropped.

SQL> create user testdb
  2  identified by password
  3  default tablespace testdb_tablespace
  4  temporary tablespace testdb_tablespace_temp;

User created.

SQL> grant create session to testdb;

Grant succeeded.

SQL> grant create table to testdb;

Grant succeeded.

SQL> grant unlimited tablespace to testdb;

Grant succeeded.

SQL>

With Bootstrap 4 I use

.tooltip-inner {
    margin-left: 50%;
    max-width: 50%;
    width: 50%;
    min-width: 300px;
}

Shouldn't you have:

DELETE FROM tableA WHERE entitynum IN (...your select...)

Now you just have a WHERE with no comparison:

DELETE FROM tableA WHERE (...your select...)

So your final query would look like this;

DELETE FROM tableA WHERE entitynum IN (
    SELECT tableA.entitynum FROM tableA q
      INNER JOIN tableB u on (u.qlabel = q.entityrole AND u.fieldnum = q.fieldnum) 
    WHERE (LENGTH(q.memotext) NOT IN (8,9,10) OR q.memotext NOT LIKE '%/%/%')
      AND (u.FldFormat = 'Date')
)

If you want to see queries that are already executed there is no supported default way to do this. There are some workarounds you can try but don’t expect to find all.

You won’t be able to see SELECT statements for sure but there is a way to see other DML and DDL commands by reading transaction log (assuming database is in full recovery mode).

You can do this using DBCC LOG or fn_dblog commands or third party log reader like ApexSQL Log (note that tool comes with a price)

Now, if you plan on auditing statements that are going to be executed in the future then you can use SQL Profiler to catch everything.

Try adding a semi colon to the end of your structure:

 struct sotrudnik {
    string name;
    string speciality;
    string razread;
    int zarplata;
} //Semi colon here

Use HTML's anchors:

Main Page:

<a href="sample.html#sushi">Sushi</a>
<a href="sample.html#bbq">BBQ</a>

Sample Page:

<div id='sushi'><a name='sushi'></a></div>
<div id='bbq'><a name='bbq'></a></div>

try this=> numpy.array(r) or numpy.array(yourvariable) followed by the command to compare whatever you wish to.

Use the -L option to follow redirects:

curl -L https://github.com/pinard/Pymacs/tarball/v0.24-beta2 | tar zx

I found the OpenSSL answer given above didn't work for me, but the following did, working with a CRT file sourced from windows.

openssl x509 -inform DER -in yourdownloaded.crt -out outcert.pem -text

For anyone who likes Extension methods, this one does the trick for us.

using System.Text;

namespace System
{
    public static class StringExtension
    {
        private static readonly ASCIIEncoding asciiEncoding = new ASCIIEncoding();

        public static string ToAscii(this string dirty)
        {
            byte[] bytes = asciiEncoding.GetBytes(dirty);
            string clean = asciiEncoding.GetString(bytes);
            return clean;
        }
    }
}

(System namespace so it's available pretty much automatically for all of our strings.)

I think you just need;

List<string> list = new List<string>();
list.Add("hai");

There is a difference between

List<string> list; 

and

List<string> list = new List<string>();

When you didn't use new keyword in this case, your list didn't initialized. And when you try to add it hai, obviously you get an error.

// NOTE: Using "this.pass" and "this.name" will create a global variable even though it is inside the function, so be weary of your naming convention

function submit()
{
    var userPass = document.getElementById("pass").value;
    var userName = document.getElementById("user").value;
    this.pass = userPass;
    this.name = userName; 
    alert("whatever you want to display"); 
}

The problem is

listModel.addElement(listaRosa.getSelectedValue());
listModel.removeElement(listaRosa.getSelectedValue());

you may be adding an element and immediatly removing it since both add and remove operations are on the same listModel.

Try

private void aggiungiTitolareButtonActionPerformed(java.awt.event.ActionEvent evt) {                                                       

    DefaultListModel lm2 = (DefaultListModel) listaTitolari.getModel();
    DefaultListModel lm1  = (DefaultListModel) listaRosa.getModel();
    if(lm2 == null)
    {
        lm2 = new DefaultListModel();
        listaTitolari.setModel(lm2);
    }
    lm2.addElement(listaTitolari.getSelectedValue());
    lm1.removeElement(listaTitolari.getSelectedValue());        
} 

Syntax

"your image name".setColorFilter("your context".getResources().getColor("color name"));

Example

myImage.setColorFilter(mContext.getResources().getColor(R.color.deep_blue_new));

import re
re.sub('<.*?>', '', string)
"i think mabe 124 + but I don't have a big experience it just how I see it in my eyes fun stuff"

The re.sub function takes a regular expresion and replace all the matches in the string with the second parameter. In this case, we are searching for all tags ('<.*?>') and replacing them with nothing ('').

The ? is used in re for non-greedy searches.

More about the re module.

Yes there are a couple of standards (albeit some liberties on the definition of standard) that have emerged:

1. JSON API - JSON API covers creating and updating resources as well, not just responses.
2. JSend - Simple and probably what you are already doing.
3. OData JSON Protocol - Very complicated.
4. HAL - Like OData but aiming to be HATEOAS like.

There are also JSON API description formats:

• Swagger
  • JSON Schema (used by swagger but you could use it stand alone)
• WADL in JSON
• RAML
• HAL because HATEOAS in theory is self describing.

What would be useful here would be a LIKE ANY predicate as is available in PostgreSQL

SELECT * 
FROM tbl
WHERE my_col LIKE ANY (ARRAY['%val1%', '%val2%', '%val3%', ...])

Unfortunately, that syntax is not available in Oracle. You can expand the quantified comparison predicate using OR, however:

SELECT * 
FROM tbl
WHERE my_col LIKE '%val1%' OR my_col LIKE '%val2%' OR my_col LIKE '%val3%', ...

Or alternatively, create a semi join using an EXISTS predicate and an auxiliary array data structure (see this question for details):

SELECT *
FROM tbl t
WHERE EXISTS (
  SELECT 1
  -- Alternatively, store those values in a temp table:
  FROM TABLE (sys.ora_mining_varchar2_nt('%val1%', '%val2%', '%val3%'/*, ...*/))
  WHERE t.my_col LIKE column_value
)

For true full-text search, you might want to look at Oracle Text: http://www.oracle.com/technetwork/database/enterprise-edition/index-098492.html

In my case, six was installed for python 2.7 and for 3.7 too, and both pip install six and pip3 install six reported it as already installed, while I still had apps (particularly, the apt program itself) complaining about missing six.

The solution was to install it for python3.6 specifically:

/usr/bin/python3.6 -m pip install six

Basic Structure Here is an example of a JUnit output file, showing a skip and failed result, as well as a single passed result.

<?xml version="1.0" encoding="UTF-8"?>
<testsuites>
   <testsuite name="JUnitXmlReporter" errors="0" tests="0" failures="0" time="0" timestamp="2013-05-24T10:23:58" />
   <testsuite name="JUnitXmlReporter.constructor" errors="0" skipped="1" tests="3" failures="1" time="0.006" timestamp="2013-05-24T10:23:58">
      <properties>
         <property name="java.vendor" value="Sun Microsystems Inc." />
         <property name="compiler.debug" value="on" />
         <property name="project.jdk.classpath" value="jdk.classpath.1.6" />
      </properties>
      <testcase classname="JUnitXmlReporter.constructor" name="should default path to an empty string" time="0.006">
         <failure message="test failure">Assertion failed</failure>
      </testcase>
      <testcase classname="JUnitXmlReporter.constructor" name="should default consolidate to true" time="0">
         <skipped />
      </testcase>
      <testcase classname="JUnitXmlReporter.constructor" name="should default useDotNotation to true" time="0" />
   </testsuite>
</testsuites>

Below is the documented structure of a typical JUnit XML report. Notice that a report can contain 1 or more test suite. Each test suite has a set of properties (recording environment information). Each test suite also contains 1 or more test case and each test case will either contain a skipped, failure or error node if the test did not pass. If the test case has passed, then it will not contain any nodes. For more details of which attributes are valid for each node please consult the following section "Schema".

<testsuites>        => the aggregated result of all junit testfiles
  <testsuite>       => the output from a single TestSuite
    <properties>    => the defined properties at test execution
      <property>    => name/value pair for a single property
      ...
    </properties>
    <error></error> => optional information, in place of a test case - normally if the tests in the suite could not be found etc.
    <testcase>      => the results from executing a test method
      <system-out>  => data written to System.out during the test run
      <system-err>  => data written to System.err during the test run
      <skipped/>    => test was skipped
      <failure>     => test failed
      <error>       => test encountered an error
    </testcase>
    ...
  </testsuite>
  ...
</testsuites>

At the time of writing this, the top voted answers on this page are imprecise and muddled on the declarative vs. imperative definition, including the answer that quotes Wikipedia. Some answers are conflating the terms in different ways.

Refer also to my explanation of why spreadsheet programming is declarative, regardless that the formulas mutate the cells.

Also, several answers claim that functional programming must be a subset of declarative. On that point it depends if we differentiate "function" from "procedure". Lets handle imperative vs. declarative first.

Definition of declarative expression

The only attribute that can possibly differentiate a declarative expression from an imperative expression is the referential transparency (RT) of its sub-expressions. All other attributes are either shared between both types of expressions, or derived from the RT.

A 100% declarative language (i.e. one in which every possible expression is RT) does not (among other RT requirements) allow the mutation of stored values, e.g. HTML and most of Haskell.

Definition of RT expression

RT is often referred to as having "no side-effects". The term effects does not have a precise definition, so some people don't agree that "no side-effects" is the same as RT. RT has a precise definition:

An expression e is referentially transparent if for all programs p every occurrence of e in p can be replaced with the result of evaluating e, without affecting the observable result of p.

Since every sub-expression is conceptually a function call, RT requires that the implementation of a function (i.e. the expression(s) inside the called function) may not access the mutable state that is external to the function (accessing the mutable local state is allowed). Put simply, the function (implementation) should be pure.

Definition of pure function

A pure function is often said to have "no side-effects". The term effects does not have a precise definition, so some people don't agree.

Pure functions have the following attributes.

• the only observable output is the return value.
• the only output dependency is the arguments.
• arguments are fully determined before any output is generated.

Remember that RT applies to expressions (which includes function calls) and purity applies to (implementations of) functions.

An obscure example of impure functions that make RT expressions is concurrency, but this is because the purity is broken at the interrupt abstraction layer. You don't really need to know this. To make RT expressions, you call pure functions.

Derivative attributes of RT

Any other attribute cited for declarative programming, e.g. the citation from 1999 used by Wikipedia, either derives from RT, or is shared with imperative programming. Thus proving that my precise definition is correct.

Note, immutability of external values is a subset of the requirements for RT.

• Declarative languages don't have looping control structures, e.g. for and while, because due to immutability, the loop condition would never change.

• Declarative languages don't express control-flow other than nested function order (a.k.a logical dependencies), because due to immutability, other choices of evaluation order do not change the result (see below).

• Declarative languages express logical "steps" (i.e. the nested RT function call order), but whether each function call is a higher level semantic (i.e. "what to do") is not a requirement of declarative programming. The distinction from imperative is that due to immutability (i.e. more generally RT), these "steps" cannot depend on mutable state, rather only the relational order of the expressed logic (i.e. the order of nesting of the function calls, a.k.a. sub-expressions).

For example, the HTML paragraph <p> cannot be displayed until the sub-expressions (i.e. tags) in the paragraph have been evaluated. There is no mutable state, only an order dependency due to the logical relationship of tag hierarchy (nesting of sub-expressions, which are analogously nested function calls).

• Thus there is the derivative attribute of immutability (more generally RT), that declarative expressions, express only the logical relationships of the constituent parts (i.e. of the sub-expression function arguments) and not mutable state relationships.

Evaluation order

The choice of evaluation order of sub-expressions can only give a varying result when any of the function calls are not RT (i.e. the function is not pure), e.g. some mutable state external to a function is accessed within the function.

For example, given some nested expressions, e.g. f( g(a, b), h(c, d) ), eager and lazy evaluation of the function arguments will give the same results if the functions f, g, and h are pure.

Whereas, if the functions f, g, and h are not pure, then the choice of evaluation order can give a different result.

Note, nested expressions are conceptually nested functions, since expression operators are just function calls masquerading as unary prefix, unary postfix, or binary infix notation.

Tangentially, if all identifiers, e.g. a, b, c, d, are immutable everywhere, state external to the program cannot be accessed (i.e. I/O), and there is no abstraction layer breakage, then functions are always pure.

By the way, Haskell has a different syntax, f (g a b) (h c d).

Evaluation order details

A function is a state transition (not a mutable stored value) from the input to the output. For RT compositions of calls to pure functions, the order-of-execution of these state transitions is independent. The state transition of each function call is independent of the others, due to lack of side-effects and the principle that an RT function may be replaced by its cached value. To correct a popular misconception, pure monadic composition is always declarative and RT, in spite of the fact that Haskell's IO monad is arguably impure and thus imperative w.r.t. the World state external to the program (but in the sense of the caveat below, the side-effects are isolated).

Eager evaluation means the functions arguments are evaluated before the function is called, and lazy evaluation means the arguments are not evaluated until (and if) they are accessed within the function.

Definition: function parameters are declared at the function definition site, and function arguments are supplied at the function call site. Know the difference between parameter and argument.

Conceptually, all expressions are (a composition of) function calls, e.g. constants are functions without inputs, unary operators are functions with one input, binary infix operators are functions with two inputs, constructors are functions, and even control statements (e.g. if, for, while) can be modeled with functions. The order that these argument functions (do not confuse with nested function call order) are evaluated is not declared by the syntax, e.g. f( g() ) could eagerly evaluate g then f on g's result or it could evaluate f and only lazily evaluate g when its result is needed within f.

Caveat, no Turing complete language (i.e. that allows unbounded recursion) is perfectly declarative, e.g. lazy evaluation introduces memory and time indeterminism. But these side-effects due to the choice of evaluation order are limited to memory consumption, execution time, latency, non-termination, and external hysteresis thus external synchronization.

Functional programming

Because declarative programming cannot have loops, then the only way to iterate is functional recursion. It is in this sense that functional programming is related to declarative programming.

But functional programming is not limited to declarative programming. Functional composition can be contrasted with subtyping, especially with respect to the Expression Problem, where extension can be achieved by either adding subtypes or functional decomposition. Extension can be a mix of both methodologies.

Functional programming usually makes the function a first-class object, meaning the function type can appear in the grammar anywhere any other type may. The upshot is that functions can input and operate on functions, thus providing for separation-of-concerns by emphasizing function composition, i.e. separating the dependencies among the subcomputations of a deterministic computation.

For example, instead of writing a separate function (and employing recursion instead of loops if the function must also be declarative) for each of an infinite number of possible specialized actions that could be applied to each element of a collection, functional programming employs reusable iteration functions, e.g. map, fold, filter. These iteration functions input a first-class specialized action function. These iteration functions iterate the collection and call the input specialized action function for each element. These action functions are more concise because they no longer need to contain the looping statements to iterate the collection.

However, note that if a function is not pure, then it is really a procedure. We can perhaps argue that functional programming that uses impure functions, is really procedural programming. Thus if we agree that declarative expressions are RT, then we can say that procedural programming is not declarative programming, and thus we might argue that functional programming is always RT and must be a subset of declarative programming.

Parallelism

This functional composition with first-class functions can express the depth in the parallelism by separating out the independent function.

Brent’s Principle: computation with work w and depth d can be implemented in a p-processor PRAM in time O(max(w/p, d)).

Both concurrency and parallelism also require declarative programming, i.e. immutability and RT.

So where did this dangerous assumption that Parallelism == Concurrency come from? It’s a natural consequence of languages with side-effects: when your language has side-effects everywhere, then any time you try to do more than one thing at a time you essentially have non-determinism caused by the interleaving of the effects from each operation. So in side-effecty languages, the only way to get parallelism is concurrency; it’s therefore not surprising that we often see the two conflated.

FP evaluation order

Note the evaluation order also impacts the termination and performance side-effects of functional composition.

Eager (CBV) and lazy (CBN) are categorical duels[10], because they have reversed evaluation order, i.e. whether the outer or inner functions respectively are evaluated first. Imagine an upside-down tree, then eager evaluates from function tree branch tips up the branch hierarchy to the top-level function trunk; whereas, lazy evaluates from the trunk down to the branch tips. Eager doesn't have conjunctive products ("and", a/k/a categorical "products") and lazy doesn't have disjunctive coproducts ("or", a/k/a categorical "sums")[11].

Performance

• Eager

As with non-termination, eager is too eager with conjunctive functional composition, i.e. compositional control structure does unnecessary work that isn't done with lazy. For example, eager eagerly and unnecessarily maps the entire list to booleans, when it is composed with a fold that terminates on the first true element.

This unnecessary work is the cause of the claimed "up to" an extra log n factor in the sequential time complexity of eager versus lazy, both with pure functions. A solution is to use functors (e.g. lists) with lazy constructors (i.e. eager with optional lazy products), because with eager the eagerness incorrectness originates from the inner function. This is because products are constructive types, i.e. inductive types with an initial algebra on an initial fixpoint[11]

• Lazy

As with non-termination, lazy is too lazy with disjunctive functional composition, i.e. coinductive finality can occur later than necessary, resulting in both unnecessary work and non-determinism of the lateness that isn't the case with eager[10][11]. Examples of finality are state, timing, non-termination, and runtime exceptions. These are imperative side-effects, but even in a pure declarative language (e.g. Haskell), there is state in the imperative IO monad (note: not all monads are imperative!) implicit in space allocation, and timing is state relative to the imperative real world. Using lazy even with optional eager coproducts leaks "laziness" into inner coproducts, because with lazy the laziness incorrectness originates from the outer function (see the example in the Non-termination section, where == is an outer binary operator function). This is because coproducts are bounded by finality, i.e. coinductive types with a final algebra on an final object[11].

Lazy causes indeterminism in the design and debugging of functions for latency and space, the debugging of which is probably beyond the capabilities of the majority of programmers, because of the dissonance between the declared function hierarchy and the runtime order-of-evaluation. Lazy pure functions evaluated with eager, could potentially introduce previously unseen non-termination at runtime. Conversely, eager pure functions evaluated with lazy, could potentially introduce previously unseen space and latency indeterminism at runtime.

Non-termination

At compile-time, due to the Halting problem and mutual recursion in a Turing complete language, functions can't generally be guaranteed to terminate.

• Eager

With eager but not lazy, for the conjunction of Head "and" Tail, if either Head or Tail doesn't terminate, then respectively either List( Head(), Tail() ).tail == Tail() or List( Head(), Tail() ).head == Head() is not true because the left-side doesn't, and right-side does, terminate.

Whereas, with lazy both sides terminate. Thus eager is too eager with conjunctive products, and non-terminates (including runtime exceptions) in those cases where it isn't necessary.

• Lazy

With lazy but not eager, for the disjunction of 1 "or" 2, if f doesn't terminate, then List( f ? 1 : 2, 3 ).tail == (f ? List( 1, 3 ) : List( 2, 3 )).tail is not true because the left-side terminates, and right-side doesn't.

Whereas, with eager neither side terminates so the equality test is never reached. Thus lazy is too lazy with disjunctive coproducts, and in those cases fails to terminate (including runtime exceptions) after doing more work than eager would have.

[10] Declarative Continuations and Categorical Duality, Filinski, sections 2.5.4 A comparison of CBV and CBN, and 3.6.1 CBV and CBN in the SCL.

[11] Declarative Continuations and Categorical Duality, Filinski, sections 2.2.1 Products and coproducts, 2.2.2 Terminal and initial objects, 2.5.2 CBV with lazy products, and 2.5.3 CBN with eager coproducts.

It depends on the nature of data. You need to contemplate it beforehand.

My case

• decimal(13,4) unsigned for recording money transactions
  • storage efficient (4 bytes for each side of decimal point anyway) 1
  • GAAP compliant
• decimal(19,4) unsigned for aggregates
  • we need more space for totals of multiple multi-billion transactions
  • semi-compliance with MS Currency data type won't hurt 2
  • it will take more space per record (11 bytes - 7 left & 4 right), but this is fine as there are fewer records for aggregates 1
• decimal(10,5) for exchange rates
  • they are normally quoted with 5 digits altogether so you could find values like 1.2345 & 12.345 but not 12345.67890
  • it is widespread convention, but not a codified standard (at least to my quick search knowledge)
  • you could make it decimal (18,9) with the same storage, but the datatype restrictions are valuable built-in validation mechanism

Why (M,4)?

• there are currencies that split into a thousand pennies
• there are money equivalents like "Unidad de Fermento", "CLF" expressed with 4 significant decimal places 3,4
• it is GAAP compliant

Tradeoff

• lower precision:
  • less storage cost
  • quicker calculations
  • lower calculation error risk
  • quicker backup & restore
• higher precision:
  • future compatibility (numbers tend to grow)
  • development time savings (you won't have to rebuild half a system when the limits are met)
  • lower risk of production failure due to insufficient storage precision

Compatible Extreme

Although MySQL lets you use decimal(65,30), 31 for scale and 30 for precision seem to be our limits if we want to leave transfer option open.

Maximum scale and precision in most common RDBMS:

            Precision   Scale
Oracle      31          31
T-SQL       38          38
MySQL       65          30
PostgreSQL  131072      16383

6, 7, 8, 9

Reasonable Extreme

2. Why (27,4)?
   • you never know when the system needs to store Zimbabwean dollars

September 2015 Zimbabwean government stated it would exchange Zimbabwean dollars for US dollars at a rate of 1 USD to 35 quadrillion Zimbabwean dollars 5

We tend to say "yeah, sure... I won't need that crazy figures". Well, Zimbabweans used to say that too. Not to long ago.

Let's imagine you need to record a transaction of 1 mln USD in Zimbabwean dollars (maybe unlikely today, but who knows how this will look like in 10 years from now?).

1. (1 mln USD) * (35 Quadrylion ZWL) = ( 10^6 ) * (35 * 10^15) = 35 * 10^21
2. we need:
   • 2 digits to store "35"
   • 21 digits to store the zeros
   • 4 digits to the right of decimal point
3. this makes decimal(27,4) which costs us 15 bytes for each entry
4. we may add one more digit on the left at no expense - we have decimal(28,4) for 15 bytes
5. Now we can store 10 mln USD transaction expressed in Zimbabwean dollars, or secure from another strike of hiperinflation, which hopefully won't happen

Not exactly what you were asking, but you can make action a template member function:

template<typename Subclass>
class A {
    public:
        //Why doesn't it like this?
        template<class V> void action(V var) {
                (static_cast<Subclass*>(this))->do_action();
        }
};

class B : public A<B> {
    public:
        typedef int mytype;

        B() {}

        void do_action(mytype var) {
                // Do stuff
        }
};

int main(int argc, char** argv) {
    B myInstance;
    return 0;
}

I think because it's Standard's ver.

I don't know if you write your code in VS. But if you did, just go to ARCHITECTURE - new Diagram. & choose yours, & the VS 'll take the care of the rest :)

You can also set a default value for the variable, so you don't need to use two "[", which amounts to two processes ("[" is actually a program) instead of one.

It goes by this syntax: ${VARIABLE:-default}.

The whole thing has to be thought in such a way that this "default" value is something distinct from a "valid" value/content.

If that's not possible for some reason you probably need to add a step like checking if there's a value at all, along the lines of "if [ -z $VARIABLE ] ; then echo "the variable needs to be filled"", or "if [ ! -z $VARIABLE ] ; then #everything is fine, proceed with the rest of the script".

On Mac:

Way 1:

zgong$ /Users/zgong/Library/Android/sdk/build-tools/29.0.3/aapt dump badging ~/Downloads/NonSIMCC-151-app-release-signed.apk
package: name='com.A.B' versionCode='2020111801' versionName='1.0.40' compileSdkVersion='29' compileSdkVersionCodename='10'
sdkVersion:'24'
targetSdkVersion:'29'
......

Way 2:

/Users/zgong/Library/Android/sdk/build-tools/29.0.3/aapt2 dump packagename ~/Downloads/NonSIMCC-151-app-release-signed.apk
com.A.B

The following will match on any string that starts with mailto, ftp or http:

 RegEx reg = new RegEx("^(mailto|ftp|http)");

To break it down:

• ^ matches start of line
• (mailto|ftp|http) matches any of the items separated by a |

I would find StartsWith to be more readable in this case.

Many browsers' implementations (and Node) have constants, used with const.

const SOME_VALUE = "Your string";

This const means that you can't reassign it to any other value.

Check the compatibility notes to see if your targeted browsers are supported.

Alternatively, you could also modify the first example, using defineProperty() or its friends and make the writable property false. This will mean the variable's contents can not be changed, like a constant.

Sort By Type

On the left we have the app organized by type. Not too bad for smaller apps, but even here you can start to see it gets more difficult to find what you are looking for. When I want to find a specific view and its controller, they are in different folders. It can be good to start here if you are not sure how else to organize the code as it is quite easy to shift to the technique on the right: structure by feature.

Sort By Feature (preferred)

On the right the project is organized by feature. All of the layout views and controllers go in the layout folder, the admin content goes in the admin folder, and the services that are used by all of the areas go in the services folder. The idea here is that when you are looking for the code that makes a feature work, it is located in one place. Services are a bit different as they “service” many features. I like this once my app starts to take shape as it becomes a lot easier to manage for me.

A well written blog post: http://www.johnpapa.net/angular-growth-structure/

Example App: https://github.com/angular-app/angular-app

It's really a 6 of one, a half-dozen of the other situation.

The only possible argument against your approach is $_SERVER['REQUEST_METHOD'] == 'POST' may not be populated on certain web-servers/configuration, whereas the $_POST array will always exist in PHP4/PHP5 (and if it doesn't exist, you have bigger problems (-:)

from within the git bash shell type:

>cd /bin
>ls -l

You will then see a long listing of all the unix-like commands available. There are lots of goodies in there.

I agree with Laura and the SimpleDateFormat which is the best way to manage Dates in java. You can set the pattern and the locale. Plus you can have a look at this wikipedia article about Date in the world -there are not so many different ways to use it; typically USA / China / rest of the world -

You're looking for the document.documentElement.scrollTop property.

If you want a popup window rather than a <div />, I would suggest the following approach.

In your parent page, you call a small helper method to show the popup window:

<input type="button" name="choice" onClick="selectValue('sku1')" value="?">

Add the following JS methods:

function selectValue(id)
{
    // open popup window and pass field id
    window.open('sku.php?id=' + encodeURIComponent(id),'popuppage',
      'width=400,toolbar=1,resizable=1,scrollbars=yes,height=400,top=100,left=100');
}

function updateValue(id, value)
{
    // this gets called from the popup window and updates the field with a new value
    document.getElementById(id).value = value;
}

Your sku.php receives the selected field via $_GET['id'] and uses it to construct the parent callback function:

?>
<script type="text/javascript">
function sendValue(value)
{
    var parentId = <?php echo json_encode($_GET['id']); ?>;
    window.opener.updateValue(parentId, value);
    window.close();
}
</script>

For each row in your popup, change code to this:

<td><input type=button value="Select" onClick="sendValue('<?php echo $rows['packcode']; ?>')" /></td>

Following this approach, the popup window doesn't need to know how to update fields in the parent form.

My approach was to make a virtual attribute instead of adding database columns.

class Choice
  belongs_to :user
  belongs_to :answer

  # ------- Helpers -------
  def question
    answer.question
  end

  # extra sugar
  def question_id
    answer.question_id
  end
end

This approach is pretty simple, but comes with tradeoffs. It requires Rails to load answer from the db, and then question. This can be optimized later by eager loading the associations you need (i.e. c = Choice.first(include: {answer: :question})), however, if this optimization is necessary, then stephencelis' answer is probably a better performance decision.

There's a time and place for certain choices, and I think this choice is better when prototyping. I wouldn't use it for production code unless I knew it was for an infrequent use case.

I assume I have import datetime before running each of the lines of code below

datetime.datetime.strptime("2013-1-25", '%Y-%m-%d').strftime('%m/%d/%y')

prints "01/25/13".

If you can't live with the leading zero, try this:

dt = datetime.datetime.strptime("2013-1-25", '%Y-%m-%d')
print '{0}/{1}/{2:02}'.format(dt.month, dt.day, dt.year % 100)

This prints "1/25/13".

EDIT: This may not work on every platform:

datetime.datetime.strptime("2013-1-25", '%Y-%m-%d').strftime('%m/%d/%y')

The most appropriate answer is the new four-value syntax for background-position, but until all browsers support it your best approach is a combination of earlier responses in the following order:

background: url(image.png) no-repeat 97% center; /* default, Android, Sf < 6 */
background-position: -webkit-calc(100% - 10px) center; /* Sf 6 */
background-position: right 10px center; /* Cr 25+, FF 13+, IE 9+, Op 10.5+ */

This cannot be done in the fashion you are talking about. PHP is server-side while the form exists on the client-side. You will need to look into using JavaScript and/or Ajax if you don't want to refresh the page.

test.php

<form action="javascript:void(0);" method="post">
    <input type="text" name="user" placeholder="enter a text" />
    <input type="submit" value="submit" />
</form>

<script type="text/javascript">
    $("form").submit(function(){
        var str = $(this).serialize();
        $.ajax('getResult.php', str, function(result){
            alert(result); // The result variable will contain any text echoed by getResult.php
        }
        return(false);
    });
</script>

It will call getResult.php and pass the serialized form to it so the PHP can read those values. Anything getResult.php echos will be returned to the JavaScript function in the result variable back on test.php and (in this case) shown in an alert box.

getResult.php

<?php
    echo "The name you typed is: " . $_REQUEST['user'];
?>

NOTE

This example uses jQuery, a third-party JavaScript wrapper. I suggest you first develop a better understanding of how these web technologies work together before complicating things for yourself further.

I have struggled with this problem for a while today. I read through the AngularJS documentation, this and other posts and a few of blogs they lead to. They all helped me grock the finer details, but in the end this just seems to be a confusing topic. Mainly because of the many syntactical nuances of ng-options.

In the end, for me, it came down to less is more.

Given a scope configured as follows:

        //Data used to populate the dropdown list
        $scope.list = [
           {"FirmnessID":1,"Description":"Soft","Value":1},         
           {"FirmnessID":2,"Description":"Medium-Soft","Value":2},
           {"FirmnessID":3,"Description":"Medium","Value":3}, 
           {"FirmnessID":4,"Description":"Firm","Value":4},     
           {"FirmnessID":5,"Description":"Very Firm","Value":5}];

        //A record or row of data that is to be save to our data store.
        //FirmnessID is a foreign key to the list specified above.
        $scope.rec = {
           "id": 1,
           "FirmnessID": 2
        };

This is all I needed to get the desired result:

        <select ng-model="rec.FirmnessID"
                ng-options="g.FirmnessID as g.Description for g in list">
            <option></option>
        </select>   

Notice I did not use track by. Using track by the selected item would alway return the object that matched the FirmnessID, rather than the FirmnessID itself. This now meets my criteria, which is that it should return a numeric value rather than the object, and to use ng-options to gain the performance improvement it provides by not creating a new scope for each option generated.

Also, I needed the blank first row, so I simply added an <option> to the <select> element.

Here is a Plunkr that shows my work.

Run ASSOC and FTYPE to see what your py files are associated to. (These commands are internal to cmd.exe so if you use a different command processor ymmv.)

C:> assoc .py
.py=Python.File

C:> ftype Python.File
Python.File="C:\Python26.w64\python.exe" "%1" %*

C:> assoc .pyw
.pyw=Python.NoConFile

C:> ftype Python.NoConFile
Python.NoConFile="C:\Python26.w64\pythonw.exe" "%1" %*

(I have both 32- and 64-bit installs of Python, hence my local directory name.)

<input type="number" />
<input type="tel" />

Both of these present the numeric keypad when the input gains focus.

<input type="search" /> shows a normal keyboard with an extra search button

Everything else seems to bring up the standard keyboard.

You can additionally use libraries that perform type validation of your json, such as Sparkson. They allow you to define a TypeScript class, to which you'd like to parse your response, in your case it could be:

import { Field } from "sparkson";
class Response {
   constructor(
      @Field("name") public name: string,
      @Field("error") public error: boolean
   ) {}
}

The library will validate if the required fields are present in the JSON payload and if their types are correct. It can also do a bunch of validations and conversions.