I had this problem and this is the best solution without any external or additional script libraries: In Javascript tags or file create this function: We assume here that canvas is your canvas:

function download(){
        var download = document.getElementById("download");
        var image = document.getElementById("canvas").toDataURL("image/png")
                    .replace("image/png", "image/octet-stream");
        download.setAttribute("href", image);

    }

In the body part of your HTML specify the button:

<a id="download" download="image.png"><button type="button" onClick="download()">Download</button></a>

This is working and download link looks like a button. Tested in Firefox and Chrome.

That is, you are referencing an image, but instead of providing an external url, the png image data is in the url itself, embedded in the style sheet. data:image/png;base64 tells the browser that the data is inline, is a png image and is in this case base64 encoded. The encoding is needed because png images can contain bytes that are invalid inside a HTML document (or within the HTTP protocol even).

Well, I assume you are not on Interactive Mode and you used this code to decode your string:

import base64
your_string = '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base64.b64decode(your_string)

Well first of all you need to assign the finished product to a variable to be able to be printed out:

code_string = base64.b64decode(your_string)

Then like any beginner programmer would know, you would print the results out: Python 2.7x:

print code_string

Python 3.x:

print(code_string)

After the successful decoding, you will get a string about the size of the not yet decoded string. I hope this helps you!

A simple solution with minimal javascript is to use the html attribute pattern (supported by most modern browsers). This works by setting the pattern of the second field to the value of the first field.

Unfortunately, you also need to escape the regex, for which no standard function exists.

<form>
    <input type="text" oninput="form.confirm.pattern = escapeRegExp(this.value)">
    <input name="confirm" pattern="" title="Fields must match" required>
</form>
<script>
    function escapeRegExp(str) {
      return str.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, "\\$&");
    }
</script>

Ok - for me the source of the problem was in serialisation/deserialisation. The object that was being sent and received was as follows where the code is submitted and the code and maskedPhoneNumber is returned.

@ApiObject(description = "What the object is for.")
@JsonIgnoreProperties(ignoreUnknown = true)
public class CodeVerification {

    @ApiObjectField(description = "The code which is to be verified.")
    @NotBlank(message = "mandatory")
    private final String code;

    @ApiObjectField(description = "The masked mobile phone number to which the code was verfied against.")
    private final String maskedMobileNumber;

    public codeVerification(@JsonProperty("code") String code, String maskedMobileNumber) {
        this.code = code;
        this.maskedMobileNumber = maskedMobileNumber;
    }

    public String getcode() {
        return code;
    }

    public String getMaskedMobileNumber() {
        return maskedMobileNumber;
    }
}

The problem was that I didn't have a JsonProperty defined for the maskedMobileNumber in the constructor. i.e. Constructor should have been

public codeVerification(@JsonProperty("code") String code, @JsonProperty("maskedMobileNumber") String maskedMobileNumber) {
    this.code = code;
    this.maskedMobileNumber = maskedMobileNumber;
}

To extract a single number from a string you can use re.search(), which returns the first match (or None):

>>> import re
>>> string = '3158 reviews'
>>> int(re.search(r'\d+', string).group(0))
3158

In Python 3.6+ you can also index into a match object instead of using group():

>>> int(re.search(r'\d+', string)[0])
3158

To do it the GUI way, you need to go edit your login. One of its properties is the default database used for that login. You can find the list of logins under the Logins node under the Security node. Then select your login and right-click and pick Properties. Change the default database and your life will be better!

Note that someone with sysadmin privs needs to be able to login to do this or to run the query from the previous post.

There is no any method getCurrentItem() in viewpager.i already checked the API

Static method is inherited in subclass but it is not polymorphism. When you writing the implementation of static method, the parent's class method is over hidden, not overridden. Think, if it is not inherited then how you can be able to access without classname.staticMethodname();?

Accually there are two possible situations:

1. You may want to exit from the activity
2. Or you want to exit from the application

You can exit from the activity using following code:

var intent = new Intent(Intent.ActionMain);
intent.AddCategory(Intent.CategoryHome);
intent.SetFlags(ActivityFlags.NewTask);
startActivity(intent);
finish();

But this will not kill the underlying activities in the same application. This will just minimize the application.

If you want to exit from application use the following code to end its process:

android.os.Process.killProcess(android.os.Process.myPid()); 

for mono development just use

process.KillProcess(Process.MyPid());

Assuming that you have your data in a 2d array, this should work:

import numpy
import pylab
xy = numpy.zeros((2, 1000))
xy[0] = range(1000)
xy[1] = range(1000)
colors = [int(i % 23) for i in xy[0]]
pylab.scatter(xy[0], xy[1], c=colors)
pylab.show()

You can also set a cmap attribute to control which colors will appear through use of a colormap; i.e. replace the pylab.scatter line with:

pylab.scatter(xy[0], xy[1], c=colors, cmap=pylab.cm.cool)

A list of color maps can be found here

Every method (other than a constructor) must have a return type.

public double diameter(){...

Here are the shortcuts for both mac and windows:

For Mac: command + G

For Windows: CTRL+ALT+G

Pipe

// Angular
import { Pipe, PipeTransform } from '@angular/core';
import { DomSanitizer, SafeHtml, SafeStyle, SafeScript, SafeUrl, SafeResourceUrl } from '@angular/platform-browser';

/**
 * Sanitize HTML
 */
@Pipe({
  name: 'safe'
})
export class SafePipe implements PipeTransform {
  /**
   * Pipe Constructor
   *
   * @param _sanitizer: DomSanitezer
   */
  // tslint:disable-next-line
  constructor(protected _sanitizer: DomSanitizer) {
  }

  /**
   * Transform
   *
   * @param value: string
   * @param type: string
   */
  transform(value: string, type: string): SafeHtml | SafeStyle | SafeScript | SafeUrl | SafeResourceUrl {
    switch (type) {
      case 'html':
        return this._sanitizer.bypassSecurityTrustHtml(value);
      case 'style':
        return this._sanitizer.bypassSecurityTrustStyle(value);
      case 'script':
        return this._sanitizer.bypassSecurityTrustScript(value);
      case 'url':
        return this._sanitizer.bypassSecurityTrustUrl(value);
      case 'resourceUrl':
        return this._sanitizer.bypassSecurityTrustResourceUrl(value);
      default:
        return this._sanitizer.bypassSecurityTrustHtml(value);
    }
  }
}

Template

{{ data.url | safe:'url' }}

That's it!

  // Public properties
  itsSafe: SafeHtml;

  // Private properties
  private safePipe: SafePipe = new SafePipe(this.domSanitizer);

  /**
   * Component constructor
   *
   * @param safePipe: SafeHtml
   * @param domSanitizer: DomSanitizer
   */
  constructor(private safePipe: SafePipe, private domSanitizer: DomSanitizer) {
  }

  /**
   * On init
   */
  ngOnInit(): void {
    this.itsSafe = this.safePipe.transform('<h1>Hi</h1>', 'html');
  }

Instead of parsing day, month and year you can specify date formats directly using datepicker's formatDate function. In my example I am using "yy-mm-dd", but you can use any format of your choice.

$("#datepicker").datepicker({
    dateFormat: 'yy-mm-dd',
    inline: true,
    minDate: new Date(2010, 1 - 1, 1),
    maxDate: new Date(2010, 12 - 1, 31),
    altField: '#datepicker_value',
    onSelect: function(){
        var fullDate = $.datepicker.formatDate("yy-mm-dd", $(this).datepicker('getDate'));
        var str_output = "<h1><center><img src=\"/images/a" + fullDate +".png\"></center></h1><br/><br>";
        $('#page_output').html(str_output);
    }
});

This example is everyday, once around 9am and once around 5pm. (edited per comments).

H 9,17 * * * 

pip won't install binary packages and isn't well tested on Windows.

As Windows doesn't come with a compiler by default pip often can't be used there. easy_install can install binary packages for Windows.

In python 3.6.3 with pandas 0.22.0 you can also use concat as long as you set as index the columns you want to use for the joining

pd.concat(
    (iDF.set_index('name') for iDF in [df1, df2, df3]),
    axis=1, join='inner'
).reset_index()

where df1, df2, and df3 are defined as in John Galt's answer

import pandas as pd
df1 = pd.DataFrame(np.array([
    ['a', 5, 9],
    ['b', 4, 61],
    ['c', 24, 9]]),
    columns=['name', 'attr11', 'attr12']
)
df2 = pd.DataFrame(np.array([
    ['a', 5, 19],
    ['b', 14, 16],
    ['c', 4, 9]]),
    columns=['name', 'attr21', 'attr22']
)
df3 = pd.DataFrame(np.array([
    ['a', 15, 49],
    ['b', 4, 36],
    ['c', 14, 9]]),
    columns=['name', 'attr31', 'attr32']
)

We just released pako https://github.com/nodeca/pako , port of zlib to javascript. I think that's now the fastest js implementation of deflate / inflate / gzip / ungzip. Also, it has democratic MIT licence. Pako supports all zlib options and it's results are binary equal.

Example:

var inflate = require('pako/lib/inflate').inflate; 
var text = inflate(zipped, {to: 'string'});

Moq cannot mock non-virtual methods and sealed classes. While running a test using mock object, MOQ actually creates an in-memory proxy type which inherits from your "XmlCupboardAccess" and overrides the behaviors that you have set up in the "SetUp" method. And as you know in C#, you can override something only if it is marked as virtual which isn't the case with Java. Java assumes every non-static method to be virtual by default.

Another thing I believe you should consider is introducing an interface for your "CupboardAccess" and start mocking the interface instead. It would help you decouple your code and have benefits in the longer run.

Lastly, there are frameworks like : TypeMock and JustMock which work directly with the IL and hence can mock non-virtual methods. Both however, are commercial products.

This is old topic but on my last test on one my API, cURL is faster and more stable. Sometimes file_get_contents on larger request need over 5 seconds when cURL need only from 1.4 to 1.9 seconds what is double faster.

I need to add one note on this that I just send GET and recive JSON content. If you setup cURL properly, you will have a great response. Just "tell" to cURL what you need to send and what you need to recive and that's it.

On your exampe I would like to do this setup:

$ch =  curl_init('http://api.bitly.com/v3/shorten?login=user&apiKey=key&longUrl=url');
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
    curl_setopt($ch, CURLOPT_HTTPAUTH, CURLAUTH_BASIC);
    curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 5);
    curl_setopt($ch, CURLOPT_TIMEOUT, 3);
    curl_setopt($ch, CURLOPT_HTTPHEADER, array('Accept: application/json'));
$result = curl_exec($ch);

This request will return data in 0.10 second max

You can create the ordered dict from old dict in one line:

from collections import OrderedDict
ordered_dict = OrderedDict(sorted(ship.items())

The default sorting key is by dictionary key, so the new ordered_dict is sorted by old dict's keys.

I had a similar problem with a small difference: some a.category_id are not in b and some b.category_id are not in a.
To solve this problem just adapt the excelent answer from beny23 to

select a.col1, b.col2, a.col3, b.col4, a.category_id 
from items_a a
LEFT OUTER JOIN
items_b b 
on a.category_id = b.category_id

Hope this helps someone.
Regards.

To install scikit-learn version 18.0, I used both commands:

conda update scikit-learn

pip install -U scikit-learn

But it does not work. There was a problem "Cannot install 'scikit-learn'. It is a distutils installed project and thus we cannot accurately determine which files belong to it which would lead to only a partial uninstall".

Finally, i can install it by using following command:

pip install --user --upgrade scikit-learn==0.18.0

Much too late, but here is a method that works during gdb session.

gdb <executable>

then

(gdb) apropos argument

This will return lots of matches, the useful one is set args.

set args -- Set argument list to give program being debugged when it is started.

set args arg1 arg2 ...

then

r

This will run the program, passing to main(argc, argv) the arguments and the argument count.

change the latest sdk version,that was work for me

1.Click file and then click project structure 2.then select "app" then click ok,its worked for me.

I landed on this question as I was looking for a clean iterator of columns only (Series, no names).

Unless I am mistaken, there is no such thing, which, if true, is a bit annoying. In particular, one would sometimes like to assign a few individual columns (Series) to variables, e.g.:

x, y = df[['x', 'y']]  # does not work

There is df.items() that gets close, but it gives an iterator of tuples (column_name, column_series). Interestingly, there is a corresponding df.keys() which returns df.columns, i.e. the column names as an Index, so a, b = df[['x', 'y']].keys() assigns properly a='x' and b='y'. But there is no corresponding df.values(), and for good reason, as df.values is a property and returns the underlying numpy array.

One (inelegant) way is to do:

x, y = (v for _, v in df[['x', 'y']].items())

but it's less pythonic than I'd like.

Try this:

const url = "files/images/gallery/image.jpg";_x000D_
_x000D_
console.log(url.split("/").pop());

Inside Controller Action you can access HttpContext.Response. There you can set the response status as in the following listing.

[HttpPost]
public ActionResult PostViaAjax()
{
    var body = Request.BinaryRead(Request.TotalBytes);

    var result = Content(JsonError(new Dictionary<string, string>()
    {
        {"err", "Some error!"}
    }), "application/json; charset=utf-8");
    HttpContext.Response.StatusCode = (int)HttpStatusCode.BadRequest;
    return result;
}

If your server was working and suddenly started erroring out, your server/instance stopped and connection settings were changed somehow.

For SQL Server 2008 here is how you can fit this:

1. Goto Start > All Programs > SQL Server 2008 > Configuration Tools > SQL Server Configuration Manager > SQL Server Services.
   And here you'll see all the instances and their state.
2. The state of the instance you were trying to connect can be stopped here.
3. Double click on the instance and then click on connect.
4. It will connect and now go back and run your application, you will be able to connect with no error.

This solution assumes the error is not being caused by something wrong in your connection string.

The previous answer is fine, but I'm one of those guys that's firmly against mixing behavior with presentation (putting JavaScript in my HTML) so I prefer to put my event handling logic in my JavaScript files. Additionally, not all browsers implement event (or e) the same way. You may want to do a check prior to running any logic:

document.onkeydown = TabExample;

function TabExample(evt) {
  var evt = (evt) ? evt : ((event) ? event : null);
  var tabKey = 9;
  if(evt.keyCode == tabKey) {
    // do work
  }
}

Here's the most common use case. Suppose you're switching on an enum value:

switch (fruit) {
  case apple:
    // do something
    break;
  case pear:
    // do something
    break;
  case banana:
    // do something
    break;
}

As long as you handle every case, you're fine. But someday, somebody will add fig to your enum and forget to add it to your switch statement. This produces a bug that may get tricky to catch, because the effects won't be felt until after you've left the switch statement. But if you write your switch like this, you can catch it immediately:

switch (fruit) {
  case apple:
    // do something
    break;
  case pear:
    // do something
    break;
  case banana:
    // do something
    break;
  default:
    assert false : "Missing enum value: " + fruit;
}

I don't want to sound too negative, but there are occasions when what you want is almost impossible without a lot of "artificial" tuning of page breaks.

If the callout falls naturally near the bottom of a page, and the figure falls on the following page, moving the figure back one page will probably displace the callout forward.

I would recommend (as far as possible, and depending on the exact size of the figures):

• Place the figures with [t] (or [h] if you must)
• Place the figures as near as possible to the "right" place (differs for [t] and [h])
• Include the figures from separate files with \input, which will make them much easier to move around when you're doing the final tuning

In my experience, this is a big eater-up of non-available time (:-)

In reply to Jon's comment, I think this is an inherently difficult problem, because the LaTeX guys are no slouches. You may like to read Frank Mittelbach's paper.

What I've done is more clean and needs to make two arrays :

• one contains a list of Object with id and a text (in my case its id and name, depending of your templateResult) (its what you get from ajax query)
• the second is only an array of ids (selection value)

I initialize select2 using the first array as data, and the second as the val.

An example function with as parameters a dict of id:name.

function initMyList(values) {
    var selected = [];
    var initials = [];

    for (var s in values) {
        initials.push({id: s, name: values[s].name});
        selected.push(s);
    }

    $('#myselect2').select2({
        data: initials,
        ajax: {
            url: "/path/to/value/",
            dataType: 'json',
            delay: 250,
            data: function (params) {
                return {
                    term: params.term,
                    page: params.page || 1,
                };
            },
            processResults: function (data, params) {
                params.page = params.page || 1;

                return {
                    results: data.items,
                    pagination: {
                        more: (params.page * 30) < data.total_count
                    }
                };
            },
            cache: true
        },
        minimumInputLength: 1,
        tokenSeparators: [",", " "],
        placeholder: "Select none, one or many values",
        templateResult: function (item) { return item.name; },
        templateSelection: function (item) { return item.name; },
        matcher: function(term, text) { return text.name.toUpperCase().indexOf(term.toUpperCase()) != -1; },
    });

    $('#myselect2').val(selected).trigger('change');
}

You can feed the initials value using ajax calls, and use jquery promises to do the select2 initialization.

TLDR Summary

In modern MongoDB releases you can brute force this with $slice just off the basic aggregation result. For "large" results, run parallel queries instead for each grouping ( a demonstration listing is at the end of the answer ), or wait for SERVER-9377 to resolve, which would allow a "limit" to the number of items to $push to an array.

db.books.aggregate([
    { "$group": {
        "_id": {
            "addr": "$addr",
            "book": "$book"
        },
        "bookCount": { "$sum": 1 }
    }},
    { "$group": {
        "_id": "$_id.addr",
        "books": { 
            "$push": { 
                "book": "$_id.book",
                "count": "$bookCount"
            },
        },
        "count": { "$sum": "$bookCount" }
    }},
    { "$sort": { "count": -1 } },
    { "$limit": 2 },
    { "$project": {
        "books": { "$slice": [ "$books", 2 ] },
        "count": 1
    }}
])

MongoDB 3.6 Preview

Still not resolving SERVER-9377, but in this release $lookup allows a new "non-correlated" option which takes an "pipeline" expression as an argument instead of the "localFields" and "foreignFields" options. This then allows a "self-join" with another pipeline expression, in which we can apply $limit in order to return the "top-n" results.

db.books.aggregate([
  { "$group": {
    "_id": "$addr",
    "count": { "$sum": 1 }
  }},
  { "$sort": { "count": -1 } },
  { "$limit": 2 },
  { "$lookup": {
    "from": "books",
    "let": {
      "addr": "$_id"
    },
    "pipeline": [
      { "$match": { 
        "$expr": { "$eq": [ "$addr", "$$addr"] }
      }},
      { "$group": {
        "_id": "$book",
        "count": { "$sum": 1 }
      }},
      { "$sort": { "count": -1  } },
      { "$limit": 2 }
    ],
    "as": "books"
  }}
])

The other addition here is of course the ability to interpolate the variable through $expr using $match to select the matching items in the "join", but the general premise is a "pipeline within a pipeline" where the inner content can be filtered by matches from the parent. Since they are both "pipelines" themselves we can $limit each result separately.

This would be the next best option to running parallel queries, and actually would be better if the $match were allowed and able to use an index in the "sub-pipeline" processing. So which is does not use the "limit to $push" as the referenced issue asks, it actually delivers something that should work better.

Original Content

You seem have stumbled upon the top "N" problem. In a way your problem is fairly easy to solve though not with the exact limiting that you ask for:

db.books.aggregate([
    { "$group": {
        "_id": {
            "addr": "$addr",
            "book": "$book"
        },
        "bookCount": { "$sum": 1 }
    }},
    { "$group": {
        "_id": "$_id.addr",
        "books": { 
            "$push": { 
                "book": "$_id.book",
                "count": "$bookCount"
            },
        },
        "count": { "$sum": "$bookCount" }
    }},
    { "$sort": { "count": -1 } },
    { "$limit": 2 }
])

Now that will give you a result like this:

{
    "result" : [
            {
                    "_id" : "address1",
                    "books" : [
                            {
                                    "book" : "book4",
                                    "count" : 1
                            },
                            {
                                    "book" : "book5",
                                    "count" : 1
                            },
                            {
                                    "book" : "book1",
                                    "count" : 3
                            }
                    ],
                    "count" : 5
            },
            {
                    "_id" : "address2",
                    "books" : [
                            {
                                    "book" : "book5",
                                    "count" : 1
                            },
                            {
                                    "book" : "book1",
                                    "count" : 2
                            }
                    ],
                    "count" : 3
            }
    ],
    "ok" : 1
}

So this differs from what you are asking in that, while we do get the top results for the address values the underlying "books" selection is not limited to only a required amount of results.

This turns out to be very difficult to do, but it can be done though the complexity just increases with the number of items you need to match. To keep it simple we can keep this at 2 matches at most:

db.books.aggregate([
    { "$group": {
        "_id": {
            "addr": "$addr",
            "book": "$book"
        },
        "bookCount": { "$sum": 1 }
    }},
    { "$group": {
        "_id": "$_id.addr",
        "books": { 
            "$push": { 
                "book": "$_id.book",
                "count": "$bookCount"
            },
        },
        "count": { "$sum": "$bookCount" }
    }},
    { "$sort": { "count": -1 } },
    { "$limit": 2 },
    { "$unwind": "$books" },
    { "$sort": { "count": 1, "books.count": -1 } },
    { "$group": {
        "_id": "$_id",
        "books": { "$push": "$books" },
        "count": { "$first": "$count" }
    }},
    { "$project": {
        "_id": {
            "_id": "$_id",
            "books": "$books",
            "count": "$count"
        },
        "newBooks": "$books"
    }},
    { "$unwind": "$newBooks" },
    { "$group": {
      "_id": "$_id",
      "num1": { "$first": "$newBooks" }
    }},
    { "$project": {
        "_id": "$_id",
        "newBooks": "$_id.books",
        "num1": 1
    }},
    { "$unwind": "$newBooks" },
    { "$project": {
        "_id": "$_id",
        "num1": 1,
        "newBooks": 1,
        "seen": { "$eq": [
            "$num1",
            "$newBooks"
        ]}
    }},
    { "$match": { "seen": false } },
    { "$group":{
        "_id": "$_id._id",
        "num1": { "$first": "$num1" },
        "num2": { "$first": "$newBooks" },
        "count": { "$first": "$_id.count" }
    }},
    { "$project": {
        "num1": 1,
        "num2": 1,
        "count": 1,
        "type": { "$cond": [ 1, [true,false],0 ] }
    }},
    { "$unwind": "$type" },
    { "$project": {
        "books": { "$cond": [
            "$type",
            "$num1",
            "$num2"
        ]},
        "count": 1
    }},
    { "$group": {
        "_id": "$_id",
        "count": { "$first": "$count" },
        "books": { "$push": "$books" }
    }},
    { "$sort": { "count": -1 } }
])

So that will actually give you the top 2 "books" from the top two "address" entries.

But for my money, stay with the first form and then simply "slice" the elements of the array that are returned to take the first "N" elements.

Demonstration Code

The demonstration code is appropriate for usage with current LTS versions of NodeJS from v8.x and v10.x releases. That's mostly for the async/await syntax, but there is nothing really within the general flow that has any such restriction, and adapts with little alteration to plain promises or even back to plain callback implementation.

index.js

const { MongoClient } = require('mongodb');
const fs = require('mz/fs');

const uri = 'mongodb://localhost:27017';

const log = data => console.log(JSON.stringify(data, undefined, 2));

(async function() {

  try {
    const client = await MongoClient.connect(uri);

    const db = client.db('bookDemo');
    const books = db.collection('books');

    let { version } = await db.command({ buildInfo: 1 });
    version = parseFloat(version.match(new RegExp(/(?:(?!-).)*/))[0]);

    // Clear and load books
    await books.deleteMany({});

    await books.insertMany(
      (await fs.readFile('books.json'))
        .toString()
        .replace(/\n$/,"")
        .split("\n")
        .map(JSON.parse)
    );

    if ( version >= 3.6 ) {

    // Non-correlated pipeline with limits
      let result = await books.aggregate([
        { "$group": {
          "_id": "$addr",
          "count": { "$sum": 1 }
        }},
        { "$sort": { "count": -1 } },
        { "$limit": 2 },
        { "$lookup": {
          "from": "books",
          "as": "books",
          "let": { "addr": "$_id" },
          "pipeline": [
            { "$match": {
              "$expr": { "$eq": [ "$addr", "$$addr" ] }
            }},
            { "$group": {
              "_id": "$book",
              "count": { "$sum": 1 },
            }},
            { "$sort": { "count": -1 } },
            { "$limit": 2 }
          ]
        }}
      ]).toArray();

      log({ result });
    }

    // Serial result procesing with parallel fetch

    // First get top addr items
    let topaddr = await books.aggregate([
      { "$group": {
        "_id": "$addr",
        "count": { "$sum": 1 }
      }},
      { "$sort": { "count": -1 } },
      { "$limit": 2 }
    ]).toArray();

    // Run parallel top books for each addr
    let topbooks = await Promise.all(
      topaddr.map(({ _id: addr }) =>
        books.aggregate([
          { "$match": { addr } },
          { "$group": {
            "_id": "$book",
            "count": { "$sum": 1 }
          }},
          { "$sort": { "count": -1 } },
          { "$limit": 2 }
        ]).toArray()
      )
    );

    // Merge output
    topaddr = topaddr.map((d,i) => ({ ...d, books: topbooks[i] }));
    log({ topaddr });

    client.close();

  } catch(e) {
    console.error(e)
  } finally {
    process.exit()
  }

})()

books.json

{ "addr": "address1",  "book": "book1"  }
{ "addr": "address2",  "book": "book1"  }
{ "addr": "address1",  "book": "book5"  }
{ "addr": "address3",  "book": "book9"  }
{ "addr": "address2",  "book": "book5"  }
{ "addr": "address2",  "book": "book1"  }
{ "addr": "address1",  "book": "book1"  }
{ "addr": "address15", "book": "book1"  }
{ "addr": "address9",  "book": "book99" }
{ "addr": "address90", "book": "book33" }
{ "addr": "address4",  "book": "book3"  }
{ "addr": "address5",  "book": "book1"  }
{ "addr": "address77", "book": "book11" }
{ "addr": "address1",  "book": "book1"  }

I had the same problem. You have to use all the images with same height and width. you can simply change it using paint application from windows using the resize option in the home section and then use CSS to resize the image. Maybe this problem occurs because the the width and height attribute inside the tag is not responding.

From Python doc,

In Python 2.5, you can switch import‘s behaviour to absolute imports using a from __future__ import absolute_import directive. This absolute- import behaviour will become the default in a future version (probably Python 2.7). Once absolute imports are the default, import string will always find the standard library’s version. It’s suggested that users should begin using absolute imports as much as possible, so it’s preferable to begin writing from pkg import string in your code

var uniq = allvalues.GroupBy(x => x.Id).Select(y=>y.First()).Distinct();

Easy and simple

Number((6.688689).toFixed(1)); // 6.7

var number = 6.688689;
var roundedNumber = Math.round(number * 10) / 10;

Use toFixed() function.

(6.688689).toFixed(); // equal to "7"
(6.688689).toFixed(1); // equal to "6.7"
(6.688689).toFixed(2); // equal to "6.69"

I think the best way is using margin instead of display.

I.e.:

.pagination a {
    margin-left: auto;
    margin-right: auto;
    width: 30px;
    height: 30px;    
    background: url(/images/structure/pagination-button.png);
}

Check the result and the code:

http://cssdeck.com/labs/d9d6ydif

.section {
  display: flex;
}

.element-left {
  width: 94%;
}

.element-right {
  flex-grow: 1;
}

<div class="section">
  <div id="dB" class="element-left" }>
    <a href="http://notareallink.com" title="Download" id="buyButton">Download</a>
  </div>
  <div id="gB" class="element-right">
    <a href="#" title="Gallery" onclick="$j('#galleryDiv').toggle('slow');return false;" id="galleryButton">Gallery</a>
  </div>
</div>

or

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

.element-left {
  flex: 2;
}

.element-right {
  width: 100px;
}

<div class="section">
  <div id="dB" class="element-left" }>
    <a href="http://notareallink.com" title="Download" id="buyButton">Download</a>
  </div>
  <div id="gB" class="element-right">
    <a href="#" title="Gallery" onclick="$j('#galleryDiv').toggle('slow');return false;" id="galleryButton">Gallery</a>
  </div>
</div>

SQL Server actually stores time as fractions of a day. For example, 1 whole day = value of 1. 12 hours is a value of 0.5.

If you want to store the time value without utilizing a DATETIME type, storing the time in a decimal form would suit that need, while also making conversion to a DATETIME simple.

For example:

SELECT CAST(0.5 AS DATETIME)
--1900-01-01 12:00:00.000

Storing the value as a DECIMAL(9,9) would consume 5 bytes. However, if precision to not of utmost importance, a REAL would consume only 4 bytes. In either case, aggregate calculation (i.e. mean time) can be easily calculated on numeric values, but not on Data/Time types.

You can't cast an object to a Double if the object is not a Double.

Check out the API.

particularly note

valueOf(double d);

and

valueOf(String s);

Those methods give you a way of getting a Double instance from a String or double primitive. (Also not the constructors; read the documentation to see how they work) The object you are trying to convert naturally has to give you something that can be transformed into a double.

Finally, keep in mind that Double instances are immutable -- once created you can't change them.

The instructions in the official Python documentation worked for me: https://docs.python.org/2/using/windows.html#executing-scripts

1. Launch a command prompt.

2. Associate the correct file group with .py scripts:

   assoc .py=Python.File
   

Redirect all Python files to the new executable:

    ftype Python.File=C:\Path\to\pythonw.exe "%1" %*

The example shows how to associate the .py extension with the .pyw executable, but it works if you want to associate the .py extension with the Anaconda Python executable. You need administrative rights. The name "Python.File" could be anything, you just have to make sure is the same name in the ftype command. When you finish and before you try double-clicking the .py file, you must change the "Open with" in the file properties. The file type will be now ".py" and it is opened with the Anaconda python.exe.

Here is another simple solution using np.histogram() method.

myarray = np.random.random(100)
results, edges = np.histogram(myarray, normed=True)
binWidth = edges[1] - edges[0]
plt.bar(edges[:-1], results*binWidth, binWidth)

You can indeed check that the total sums up to 1 with:

> print sum(results*binWidth)
1.0

This seems to work:

<html>
<title>
iPad Sound Test  - Auto Play
</title>
</head>
<body>
<audio id="audio" src="mp3test.mp3" controls="controls" loop="loop">
</audio>
<script type="text/javascript"> 
    window.onload = function() {
        var audioPlayer = document.getElementById("audio");
        audioPlayer.load();
        audioPlayer.play();
    };
    </script> 

</body>
</html>

See it in action here: http://www.johncoles.co.uk/ipad/test/1.html (Archived)

As of iOS 4.2 this no-longer works. Sorry.

i've got the following function in my "standard library"

/// Convert argument to an array.
function a($a = null) {
    if(is_null($a))
        return array();
    if(is_array($a))
        return $a;
    if(is_object($a))
        return (array) $a;
    return $_ = func_get_args();
}

Basically, this does nothing with arrays/objects and convert other types to arrays. This is extremely handy to use with foreach statements and array functions

  foreach(a($whatever) as $item)....

  $foo = array_map(a($array_or_string)....

  etc

Just for fun,

this one is 42 lines long, fits in 120 characters horizontally, and looks good. Is it fast? Well - it's fast enough and it's approximately the same as all other JS implementations.

I just wanted something that doesn't look ugly in my helpers.js file and doesn't slow down my SublimeText with 20-mile long minified one-liners.

So here's my favourite md5.

//  A formatted version of a popular md5 implementation.
//  Original copyright (c) Paul Johnston & Greg Holt.
//  The function itself is now 42 lines long.

function md5(inputString) {
    var hc="0123456789abcdef";
    function rh(n) {var j,s="";for(j=0;j<=3;j++) s+=hc.charAt((n>>(j*8+4))&0x0F)+hc.charAt((n>>(j*8))&0x0F);return s;}
    function ad(x,y) {var l=(x&0xFFFF)+(y&0xFFFF);var m=(x>>16)+(y>>16)+(l>>16);return (m<<16)|(l&0xFFFF);}
    function rl(n,c)            {return (n<<c)|(n>>>(32-c));}
    function cm(q,a,b,x,s,t)    {return ad(rl(ad(ad(a,q),ad(x,t)),s),b);}
    function ff(a,b,c,d,x,s,t)  {return cm((b&c)|((~b)&d),a,b,x,s,t);}
    function gg(a,b,c,d,x,s,t)  {return cm((b&d)|(c&(~d)),a,b,x,s,t);}
    function hh(a,b,c,d,x,s,t)  {return cm(b^c^d,a,b,x,s,t);}
    function ii(a,b,c,d,x,s,t)  {return cm(c^(b|(~d)),a,b,x,s,t);}
    function sb(x) {
        var i;var nblk=((x.length+8)>>6)+1;var blks=new Array(nblk*16);for(i=0;i<nblk*16;i++) blks[i]=0;
        for(i=0;i<x.length;i++) blks[i>>2]|=x.charCodeAt(i)<<((i%4)*8);
        blks[i>>2]|=0x80<<((i%4)*8);blks[nblk*16-2]=x.length*8;return blks;
    }
    var i,x=sb(inputString),a=1732584193,b=-271733879,c=-1732584194,d=271733878,olda,oldb,oldc,oldd;
    for(i=0;i<x.length;i+=16) {olda=a;oldb=b;oldc=c;oldd=d;
        a=ff(a,b,c,d,x[i+ 0], 7, -680876936);d=ff(d,a,b,c,x[i+ 1],12, -389564586);c=ff(c,d,a,b,x[i+ 2],17,  606105819);
        b=ff(b,c,d,a,x[i+ 3],22,-1044525330);a=ff(a,b,c,d,x[i+ 4], 7, -176418897);d=ff(d,a,b,c,x[i+ 5],12, 1200080426);
        c=ff(c,d,a,b,x[i+ 6],17,-1473231341);b=ff(b,c,d,a,x[i+ 7],22,  -45705983);a=ff(a,b,c,d,x[i+ 8], 7, 1770035416);
        d=ff(d,a,b,c,x[i+ 9],12,-1958414417);c=ff(c,d,a,b,x[i+10],17,     -42063);b=ff(b,c,d,a,x[i+11],22,-1990404162);
        a=ff(a,b,c,d,x[i+12], 7, 1804603682);d=ff(d,a,b,c,x[i+13],12,  -40341101);c=ff(c,d,a,b,x[i+14],17,-1502002290);
        b=ff(b,c,d,a,x[i+15],22, 1236535329);a=gg(a,b,c,d,x[i+ 1], 5, -165796510);d=gg(d,a,b,c,x[i+ 6], 9,-1069501632);
        c=gg(c,d,a,b,x[i+11],14,  643717713);b=gg(b,c,d,a,x[i+ 0],20, -373897302);a=gg(a,b,c,d,x[i+ 5], 5, -701558691);
        d=gg(d,a,b,c,x[i+10], 9,   38016083);c=gg(c,d,a,b,x[i+15],14, -660478335);b=gg(b,c,d,a,x[i+ 4],20, -405537848);
        a=gg(a,b,c,d,x[i+ 9], 5,  568446438);d=gg(d,a,b,c,x[i+14], 9,-1019803690);c=gg(c,d,a,b,x[i+ 3],14, -187363961);
        b=gg(b,c,d,a,x[i+ 8],20, 1163531501);a=gg(a,b,c,d,x[i+13], 5,-1444681467);d=gg(d,a,b,c,x[i+ 2], 9,  -51403784);
        c=gg(c,d,a,b,x[i+ 7],14, 1735328473);b=gg(b,c,d,a,x[i+12],20,-1926607734);a=hh(a,b,c,d,x[i+ 5], 4,    -378558);
        d=hh(d,a,b,c,x[i+ 8],11,-2022574463);c=hh(c,d,a,b,x[i+11],16, 1839030562);b=hh(b,c,d,a,x[i+14],23,  -35309556);
        a=hh(a,b,c,d,x[i+ 1], 4,-1530992060);d=hh(d,a,b,c,x[i+ 4],11, 1272893353);c=hh(c,d,a,b,x[i+ 7],16, -155497632);
        b=hh(b,c,d,a,x[i+10],23,-1094730640);a=hh(a,b,c,d,x[i+13], 4,  681279174);d=hh(d,a,b,c,x[i+ 0],11, -358537222);
        c=hh(c,d,a,b,x[i+ 3],16, -722521979);b=hh(b,c,d,a,x[i+ 6],23,   76029189);a=hh(a,b,c,d,x[i+ 9], 4, -640364487);
        d=hh(d,a,b,c,x[i+12],11, -421815835);c=hh(c,d,a,b,x[i+15],16,  530742520);b=hh(b,c,d,a,x[i+ 2],23, -995338651);
        a=ii(a,b,c,d,x[i+ 0], 6, -198630844);d=ii(d,a,b,c,x[i+ 7],10, 1126891415);c=ii(c,d,a,b,x[i+14],15,-1416354905);
        b=ii(b,c,d,a,x[i+ 5],21,  -57434055);a=ii(a,b,c,d,x[i+12], 6, 1700485571);d=ii(d,a,b,c,x[i+ 3],10,-1894986606);
        c=ii(c,d,a,b,x[i+10],15,   -1051523);b=ii(b,c,d,a,x[i+ 1],21,-2054922799);a=ii(a,b,c,d,x[i+ 8], 6, 1873313359);
        d=ii(d,a,b,c,x[i+15],10,  -30611744);c=ii(c,d,a,b,x[i+ 6],15,-1560198380);b=ii(b,c,d,a,x[i+13],21, 1309151649);
        a=ii(a,b,c,d,x[i+ 4], 6, -145523070);d=ii(d,a,b,c,x[i+11],10,-1120210379);c=ii(c,d,a,b,x[i+ 2],15,  718787259);
        b=ii(b,c,d,a,x[i+ 9],21, -343485551);a=ad(a,olda);b=ad(b,oldb);c=ad(c,oldc);d=ad(d,oldd);
    }
    return rh(a)+rh(b)+rh(c)+rh(d);
}

But really, I posted it merely out of aesthetic considerations. Also, with the comments it's exactly 4000 bytes. Please don't ask why. I can't come up with a proper explanation for my OCD/rebel behaviour. Also, thank you Paul Johnston, thank you Greg Holt. (Side note: you guys omitted a few var keywords so I took the liberty of adding them.)

MS SQL Server 2008 introduces the MERGE statement, which I believe is part of the SQL:2003 standard. As many have shown it is not a big deal to handle one row cases, but when dealing with large datasets, one needs a cursor, with all the performance problems that come along. The MERGE statement will be much welcomed addition when dealing with large datasets.

I was having a problem fetching profile photos while using CURL. I thought for a while there was something wrong my implementation of the Facebook API, but I need to add a bit to my CURL called:

curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);

You can convert the time using the following code.

TimeSpan _time = TimeSpan.Parse("07:35");

But if you want to get the current time of the day you can use the following code:

TimeSpan _CurrentTime = DateTime.Now.TimeOfDay;

The result will be:

03:54:35.7763461

With a object cantain the Hours, Minutes, Seconds, Ticks and etc.

Using the div trick with tab_index="0" or tabIndex="-1" works, but any time the user is focusing a view that's not an element, you get an ugly focus-outline on the entire website. This can be fixed by setting the CSS for the div to use outline: none in the focus.

Here's the implementation with styled components:

import styled from "styled-components"

const KeyReceiver = styled.div`
  &:focus {
    outline: none;
  }
`

and in the App class:

  render() {
    return (      
      <KeyReceiver onKeyDown={this.handleKeyPress} tabIndex={-1}>
          Display stuff...
      </KeyReceiver>
    )

If you happen to be using Microsoft IIS server, in addition to the php.ini settings mentioned by others, you may need to increase the execution timeout settings for the PHP FastCGI application in the IIS Server Manager:

Step 1) Open the IIS Server Manager (usually under Server Manager in the Start Menu, then Tools / Internet Information Services (IIS) Manager).

Step 2) Click on the main connection (not specific to any particular domain).

Step 3) Under the IIS section, find FastCGI Settings (shown below).

Step 4) Therein, right-click the PHP application and select Edit....

Step 5) Check the timeouts (shown below).

In my case, the default timeouts here were 70 and 90 seconds; the former of which was causing a 500 Internal Server Error on PHP scripts that took longer than 70 seconds.

In Java, everything (excluding primitive types) is in the form of a class.

If you want to use any object then you have two phases:

1. Declare
2. Initialization

Example:

• Declaration: Object object;
• Initialization: object = new Object();

Same for the array concept:

• Declaration: Item item[] = new Item[5];
• Initialization: item[0] = new Item();

If you are not giving the initialization section then the NullPointerException arise.

Try this one -

"SELECT 
       ID, Salt, password, BannedEndDate
     , (
          SELECT COUNT(1)
          FROM dbo.LoginFails l
          WHERE l.UserName = u.UserName
               AND IP = '" + Request.ServerVariables["REMOTE_ADDR"] + "'
      ) AS cnt
FROM dbo.Users u
WHERE u.UserName = '" + LoginModel.Username + "'"

When you're exporting to HTML, using <br> works. However, if you're using pandoc to export to LaTeX/PDF as well, you should use grid tables:

+---------------+---------------+--------------------+
| Fruit         | Price         | Advantages         |
+===============+===============+====================+
| Bananas       | first line\   | first line\        |
|               | next line     | next line          |
+---------------+---------------+--------------------+
| Bananas       | first line\   | first line\        |
|               | next line     | next line          |
+---------------+---------------+--------------------+

The solution here is to have different IDs as many of you have stated. The problem still lies deeper in datepicker. Please correct me, but doesn't the datepicker have one wrapper ID - "ui-datepicker-div." This is seen on http://jqueryui.com/demos/datepicker/#option-showOptions in the theming.

Is there an option that can change this ID to be a class? I don't want to have to fork this script just for this one obvious fix!!

default_keys = [1, "name"]

To get dictionary with None as values:

dict.fromkeys(default_keys)  

Output :

{1: None, 'name': None}

To get dictionary with default values:

dict.fromkeys(default_keys, [])  

Output :

{1: [], 'name': []}

There is an easy method to wrap your data and send it to server as if you were sending an HTML form using POST. you can do that using FormData object as following:

data = new FormData()
data.set('Foo',1)
data.set('Bar','boo')

let request = new XMLHttpRequest();
request.open("POST", 'some_url/', true);
request.send(data)

now you can handle the data on the server-side just like the way you deal with reugular HTML Forms.

Additional Info

It is advised that you must not set Content-Type header when sending FormData since the browser will take care of that.

Case matters I manually added a submodule :k3b-geohelper to the settings.gradle file

 include ':app', ':k3b-geohelper'

and everthing works fine on my mswindows build system

When i pushed the update to github the fdroid build system failed with

  Cannot evaluate module k3b-geohelper : Configuration with name 'default' not found

The final solution was that the submodule folder was named k3b-geoHelper not k3b-geohelper.

Under MSWindows case doesn-t matter but on linux system it does

.img-responsive {
     margin: 0 auto;
 }

you can write like above code in your document so no need to add one another class in image tag.

As of TypeScript 1.6, properties in object literals that do not have a corresponding property in the type they're being assigned to are flagged as errors.

Usually this error means you have a bug (typically a typo) in your code, or in the definition file. The right fix in this case would be to fix the typo. In the question, the property callbackOnLoactionHash is incorrect and should have been callbackOnLocationHash (note the mis-spelling of "Location").

This change also required some updates in definition files, so you should get the latest version of the .d.ts for any libraries you're using.

Example:

interface TextOptions {
    alignment?: string;
    color?: string;
    padding?: number;
}
function drawText(opts: TextOptions) { ... }
drawText({ align: 'center' }); // Error, no property 'align' in 'TextOptions'

But I meant to do that

There are a few cases where you may have intended to have extra properties in your object. Depending on what you're doing, there are several appropriate fixes

Type-checking only some properties

Sometimes you want to make sure a few things are present and of the correct type, but intend to have extra properties for whatever reason. Type assertions (<T>v or v as T) do not check for extra properties, so you can use them in place of a type annotation:

interface Options {
    x?: string;
    y?: number;
}

// Error, no property 'z' in 'Options'
let q1: Options = { x: 'foo', y: 32, z: 100 };
// OK
let q2 = { x: 'foo', y: 32, z: 100 } as Options;
// Still an error (good):
let q3 = { x: 100, y: 32, z: 100 } as Options;

These properties and maybe more

Some APIs take an object and dynamically iterate over its keys, but have 'special' keys that need to be of a certain type. Adding a string indexer to the type will disable extra property checking

Before

interface Model {
  name: string;
}
function createModel(x: Model) { ... }

// Error
createModel({name: 'hello', length: 100});

After

interface Model {
  name: string;
  [others: string]: any;
}
function createModel(x: Model) { ... }

// OK
createModel({name: 'hello', length: 100});

This is a dog or a cat or a horse, not sure yet

interface Animal { move; }
interface Dog extends Animal { woof; }
interface Cat extends Animal { meow; }
interface Horse extends Animal { neigh; }

let x: Animal;
if(...) {
  x = { move: 'doggy paddle', woof: 'bark' };
} else if(...) {
  x = { move: 'catwalk', meow: 'mrar' };
} else {
  x = { move: 'gallop', neigh: 'wilbur' };
}

Two good solutions come to mind here

Specify a closed set for x

// Removes all errors
let x: Dog|Cat|Horse;

or Type assert each thing

// For each initialization
  x = { move: 'doggy paddle', woof: 'bark' } as Dog;

This type is sometimes open and sometimes not

A clean solution to the "data model" problem using intersection types:

interface DataModelOptions {
  name?: string;
  id?: number;
}
interface UserProperties {
  [key: string]: any;
}
function createDataModel(model: DataModelOptions & UserProperties) {
 /* ... */
}
// findDataModel can only look up by name or id
function findDataModel(model: DataModelOptions) {
 /* ... */
}
// OK
createDataModel({name: 'my model', favoriteAnimal: 'cat' });
// Error, 'ID' is not correct (should be 'id')
findDataModel({ ID: 32 });

See also https://github.com/Microsoft/TypeScript/issues/3755

A bit verbose, but it's the standard way of parsing and formatting dates in Java:

DateFormat formatter = new SimpleDateFormat("HH:mm:ss");
try {
  Date dt = formatter.parse("08:19:12");
  Calendar cal = Calendar.getInstance();
  cal.setTime(dt);
  int hour = cal.get(Calendar.HOUR);
  int minute = cal.get(Calendar.MINUTE);
  int second = cal.get(Calendar.SECOND);
} catch (ParseException e) {
  // This can happen if you are trying to parse an invalid date, e.g., 25:19:12.
  // Here, you should log the error and decide what to do next
  e.printStackTrace();
}

If you only want to know if any item of d is contained in paid[j], as you literally say:

if any(x in paid[j] for x in d): ...

If you also want to know which items of d are contained in paid[j]:

contained = [x for x in d if x in paid[j]]

contained will be an empty list if no items of d are contained in paid[j].

There are other solutions yet if what you want is yet another alternative, e.g., get the first item of d contained in paid[j] (and None if no item is so contained):

firstone = next((x for x in d if x in paid[j]), None)

BTW, since in a comment you mention sentences and words, maybe you don't necessarily want a string check (which is what all of my examples are doing), because they can't consider word boundaries -- e.g., each example will say that 'cat' is in 'obfuscate' (because, 'obfuscate' contains 'cat' as a substring). To allow checks on word boundaries, rather than simple substring checks, you might productively use regular expressions... but I suggest you open a separate question on that, if that's what you require -- all of the code snippets in this answer, depending on your exact requirements, will work equally well if you change the predicate x in paid[j] into some more sophisticated predicate such as somere.search(paid[j]) for an appropriate RE object somere. (Python 2.6 or better -- slight differences in 2.5 and earlier).

If your intention is something else again, such as getting one or all of the indices in d of the items satisfying your constrain, there are easy solutions for those different problems, too... but, if what you actually require is so far away from what you said, I'd better stop guessing and hope you clarify;-).

you can use set

    charlist = list(set(string.digits+string.ascii_uppercase) - set('10IO'))
    return ''.join([random.SystemRandom().choice(charlist) for _ in range(passlen)])

You can use the following code, it will give you same look as http://code.google.com/p/color-picker-view/

public class ColorPickerDialog extends Dialog {

public interface OnColorChangedListener {
    void colorChanged(String key, int color);
}

private OnColorChangedListener mListener;
private int mInitialColor, mDefaultColor;
private String mKey;

private static class ColorPickerView extends View {
    private Paint mPaint;
    private float mCurrentHue = 0;
    private int mCurrentX = 0, mCurrentY = 0;
    private int mCurrentColor, mDefaultColor;
    private final int[] mHueBarColors = new int[258];
    private int[] mMainColors = new int[65536];
    private OnColorChangedListener mListener;

    ColorPickerView(Context c, OnColorChangedListener l, int color,
            int defaultColor) {
        super(c);
        mListener = l;
        mDefaultColor = defaultColor;

        // Get the current hue from the current color and update the main
        // color field
        float[] hsv = new float[3];
        Color.colorToHSV(color, hsv);
        mCurrentHue = hsv[0];
        updateMainColors();

        mCurrentColor = color;

        // Initialize the colors of the hue slider bar
        int index = 0;
        for (float i = 0; i < 256; i += 256 / 42) // Red (#f00) to pink
                                                    // (#f0f)
        {
            mHueBarColors[index] = Color.rgb(255, 0, (int) i);
            index++;
        }
        for (float i = 0; i < 256; i += 256 / 42) // Pink (#f0f) to blue
                                                    // (#00f)
        {
            mHueBarColors[index] = Color.rgb(255 - (int) i, 0, 255);
            index++;
        }
        for (float i = 0; i < 256; i += 256 / 42) // Blue (#00f) to light
                                                    // blue (#0ff)
        {
            mHueBarColors[index] = Color.rgb(0, (int) i, 255);
            index++;
        }
        for (float i = 0; i < 256; i += 256 / 42) // Light blue (#0ff) to
                                                    // green (#0f0)
        {
            mHueBarColors[index] = Color.rgb(0, 255, 255 - (int) i);
            index++;
        }
        for (float i = 0; i < 256; i += 256 / 42) // Green (#0f0) to yellow
                                                    // (#ff0)
        {
            mHueBarColors[index] = Color.rgb((int) i, 255, 0);
            index++;
        }
        for (float i = 0; i < 256; i += 256 / 42) // Yellow (#ff0) to red
                                                    // (#f00)
        {
            mHueBarColors[index] = Color.rgb(255, 255 - (int) i, 0);
            index++;
        }

        // Initializes the Paint that will draw the View
        mPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
        mPaint.setTextAlign(Paint.Align.CENTER);
        mPaint.setTextSize(12);
    }

    // Get the current selected color from the hue bar
    private int getCurrentMainColor() {
        int translatedHue = 255 - (int) (mCurrentHue * 255 / 360);
        int index = 0;
        for (float i = 0; i < 256; i += 256 / 42) {
            if (index == translatedHue)
                return Color.rgb(255, 0, (int) i);
            index++;
        }
        for (float i = 0; i < 256; i += 256 / 42) {
            if (index == translatedHue)
                return Color.rgb(255 - (int) i, 0, 255);
            index++;
        }
        for (float i = 0; i < 256; i += 256 / 42) {
            if (index == translatedHue)
                return Color.rgb(0, (int) i, 255);
            index++;
        }
        for (float i = 0; i < 256; i += 256 / 42) {
            if (index == translatedHue)
                return Color.rgb(0, 255, 255 - (int) i);
            index++;
        }
        for (float i = 0; i < 256; i += 256 / 42) {
            if (index == translatedHue)
                return Color.rgb((int) i, 255, 0);
            index++;
        }
        for (float i = 0; i < 256; i += 256 / 42) {
            if (index == translatedHue)
                return Color.rgb(255, 255 - (int) i, 0);
            index++;
        }
        return Color.RED;
    }

    // Update the main field colors depending on the current selected hue
    private void updateMainColors() {
        int mainColor = getCurrentMainColor();
        int index = 0;
        int[] topColors = new int[256];
        for (int y = 0; y < 256; y++) {
            for (int x = 0; x < 256; x++) {
                if (y == 0) {
                    mMainColors[index] = Color.rgb(
                            255 - (255 - Color.red(mainColor)) * x / 255,
                            255 - (255 - Color.green(mainColor)) * x / 255,
                            255 - (255 - Color.blue(mainColor)) * x / 255);
                    topColors[x] = mMainColors[index];
                } else
                    mMainColors[index] = Color.rgb(
                            (255 - y) * Color.red(topColors[x]) / 255,
                            (255 - y) * Color.green(topColors[x]) / 255,
                            (255 - y) * Color.blue(topColors[x]) / 255);
                index++;
            }
        }
    }

    @Override
    protected void onDraw(Canvas canvas) {
        int translatedHue = 255 - (int) (mCurrentHue * 255 / 360);
        // Display all the colors of the hue bar with lines
        for (int x = 0; x < 256; x++) {
            // If this is not the current selected hue, display the actual
            // color
            if (translatedHue != x) {
                mPaint.setColor(mHueBarColors[x]);
                mPaint.setStrokeWidth(1);
            } else // else display a slightly larger black line
            {
                mPaint.setColor(Color.BLACK);
                mPaint.setStrokeWidth(3);
            }
            canvas.drawLine(x + 10, 0, x + 10, 40, mPaint);
            // canvas.drawLine(0, x+10, 40, x+10, mPaint);
        }

        // Display the main field colors using LinearGradient
        for (int x = 0; x < 256; x++) {
            int[] colors = new int[2];
            colors[0] = mMainColors[x];
            colors[1] = Color.BLACK;
            Shader shader = new LinearGradient(0, 50, 0, 306, colors, null,
                    Shader.TileMode.REPEAT);
            mPaint.setShader(shader);
            canvas.drawLine(x + 10, 50, x + 10, 306, mPaint);
        }
        mPaint.setShader(null);

        // Display the circle around the currently selected color in the
        // main field
        if (mCurrentX != 0 && mCurrentY != 0) {
            mPaint.setStyle(Paint.Style.STROKE);
            mPaint.setColor(Color.BLACK);
            canvas.drawCircle(mCurrentX, mCurrentY, 10, mPaint);
        }

        // Draw a 'button' with the currently selected color
        mPaint.setStyle(Paint.Style.FILL);
        mPaint.setColor(mCurrentColor);
        canvas.drawRect(10, 316, 138, 356, mPaint);

        // Set the text color according to the brightness of the color
        if (Color.red(mCurrentColor) + Color.green(mCurrentColor)
                + Color.blue(mCurrentColor) < 384)
            mPaint.setColor(Color.WHITE);
        else
            mPaint.setColor(Color.BLACK);
        canvas.drawText(
                getResources()
                        .getString(R.string.settings_bg_color_confirm), 74,
                340, mPaint);

        // Draw a 'button' with the default color
        mPaint.setStyle(Paint.Style.FILL);
        mPaint.setColor(mDefaultColor);
        canvas.drawRect(138, 316, 266, 356, mPaint);

        // Set the text color according to the brightness of the color
        if (Color.red(mDefaultColor) + Color.green(mDefaultColor)
                + Color.blue(mDefaultColor) < 384)
            mPaint.setColor(Color.WHITE);
        else
            mPaint.setColor(Color.BLACK);
        canvas.drawText(
                getResources().getString(
                        R.string.settings_default_color_confirm), 202, 340,
                mPaint);
    }

    @Override
    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
        setMeasuredDimension(276, 366);
    }

    @Override
    public boolean onTouchEvent(MotionEvent event) {
        if (event.getAction() != MotionEvent.ACTION_DOWN)
            return true;
        float x = event.getX();
        float y = event.getY();

        // If the touch event is located in the hue bar
        if (x > 10 && x < 266 && y > 0 && y < 40) {
            // Update the main field colors
            mCurrentHue = (255 - x) * 360 / 255;
            updateMainColors();

            // Update the current selected color
            int transX = mCurrentX - 10;
            int transY = mCurrentY - 60;
            int index = 256 * (transY - 1) + transX;
            if (index > 0 && index < mMainColors.length)
                mCurrentColor = mMainColors[256 * (transY - 1) + transX];

            // Force the redraw of the dialog
            invalidate();
        }

        // If the touch event is located in the main field
        if (x > 10 && x < 266 && y > 50 && y < 306) {
            mCurrentX = (int) x;
            mCurrentY = (int) y;
            int transX = mCurrentX - 10;
            int transY = mCurrentY - 60;
            int index = 256 * (transY - 1) + transX;
            if (index > 0 && index < mMainColors.length) {
                // Update the current color
                mCurrentColor = mMainColors[index];
                // Force the redraw of the dialog
                invalidate();
            }
        }

        // If the touch event is located in the left button, notify the
        // listener with the current color
        if (x > 10 && x < 138 && y > 316 && y < 356)
            mListener.colorChanged("", mCurrentColor);

        // If the touch event is located in the right button, notify the
        // listener with the default color
        if (x > 138 && x < 266 && y > 316 && y < 356)
            mListener.colorChanged("", mDefaultColor);

        return true;
    }
}

public ColorPickerDialog(Context context, OnColorChangedListener listener,
        String key, int initialColor, int defaultColor) {
    super(context);

    mListener = listener;
    mKey = key;
    mInitialColor = initialColor;
    mDefaultColor = defaultColor;
}

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    OnColorChangedListener l = new OnColorChangedListener() {
        public void colorChanged(String key, int color) {
            mListener.colorChanged(mKey, color);
            dismiss();
        }
    };

    setContentView(new ColorPickerView(getContext(), l, mInitialColor,
            mDefaultColor));
    setTitle(R.string.settings_bg_color_dialog);

    }
}

Here you go. Just specify the chars you want to allow on the first line.

char[] chars = "abcdefghijklmnopqrstuvwxyz".toCharArray();
StringBuilder sb = new StringBuilder(20);
Random random = new Random();
for (int i = 0; i < 20; i++) {
    char c = chars[random.nextInt(chars.length)];
    sb.append(c);
}
String output = sb.toString();
System.out.println(output);

If you are using this to generate something sensitive like a password reset URL or session ID cookie or temporary password reset, be sure to use java.security.SecureRandom instead. Values produced by java.util.Random and java.util.concurrent.ThreadLocalRandom are mathematically predictable.

Validation is easy, text them a little code to type in. A CharField is a great way to store it. I wouldn't worry too much about canonicalizing phone numbers.

I prefer to use mutex mechanism in such cases, but if you really want to use boolean, then you should declare it as volatile (to provide the change visibility across threads) and just run the body-less cycle with that boolean as a condition :

//.....some class

volatile boolean someBoolean; 

Thread someThread = new Thread() {

    @Override 
    public void run() {
        //some actions
        while (!someBoolean); //wait for condition 
        //some actions 
    }

};

Simple and powerful way(dynamic accept)

place formats in array like "image/*"

var upload=document.getElementById("upload");
var array=["video/mp4","image/png"];
upload.accept=array;
upload.addEventListener("change",()=>{

console.log(upload.value)
})

<input type="file" id="upload" >

If you what to add bootstrap attributes in anchor tag dynamically than this will helps you lot

 $(".dropdown a").attr({
      class: "dropdown-toggle",
     'data-toggle': "dropdown",
      role: "button",
     'aria-haspopup': "true",
     'aria-expanded': "true"
});

TLDR for people comming from c++

It's just overloaded operator of ( ) parentheses

So in scala:

class X {
   def apply(param1: Int, param2: Int, param3: Int) : Int = {
     // Do something
   }
}

Is same as this in c++:

class X {
   int operator()(int param1, int param2, int param3) {
      // do something
   }
};

In Access 2007 this error occurs when importing an Excel file where there are two fields with the same column header.

Please use this simple one liner:

Invoke-Expression "C:\'Program Files (x86)\Microsoft Office\root\Office16'\EXCEL.EXE"

if you found out that the memory settings were not being used and in order to change the memory settings, I used the tomcat7w or tomcat8w in the \bin folder.Then the following should pop up:

Click the Java tab and add the arguments.restart tomcat

I faced a similar problem in Eclipse. Whenever I clicked on the Run button it gave me the message, "Error: Could not find or load main class". But when I right click on the java file in the project explorer and Run As Java configuration, it works perfectly.

I think this is because it tries by default to run it in some other configuration which causes problems.

Hope this answer helps some.

This helped to me (in ionic, but idea is the same) https://mhartington.io/post/setting-input-focus/

in template:

<ion-item>
      <ion-label>Home</ion-label>
      <ion-input #input type="text"></ion-input>
</ion-item>
<button (click)="focusInput(input)">Focus</button>

in controller:

  focusInput(input) {
    input.setFocus();
  }

I always use object literals

{id: 1, speaker:"john", country: "au"}

Using the fileProvider is the way to go. But you can use this simple workaround:

WARNING: It will be fixed in next Android release - https://issuetracker.google.com/issues/37122890#comment4

replace:

startActivity(intent);

by

startActivity(Intent.createChooser(intent, "Your title"));

You're setting the Content-Type to be multipart/form-data, but then using JSON.stringify on the body data, which returns application/json. You have a content type mismatch.

You will need to encode your data as multipart/form-data instead of json. Usually multipart/form-data is used when uploading files, and is a bit more complicated than application/x-www-form-urlencoded (which is the default for HTML forms).

The specification for multipart/form-data can be found in RFC 1867.

For a guide on how to submit that kind of data via javascript, see here.

The basic idea is to use the FormData object (not supported in IE < 10):

async function sendData(url, data) {
  const formData  = new FormData();

  for(const name in data) {
    formData.append(name, data[name]);
  }

  const response = await fetch(url, {
    method: 'POST',
    body: formData
  });

  // ...
}

Per this article make sure not to set the Content-Type header. The browser will set it for you, including the boundary parameter.

vector.clear() should work for you. In case you want to shrink the capacity of the vector along with clear then

std::vector<T>(v).swap(v);

in an actual SQL query, you just add a newline

INSERT INTO table (text) VALUES ('hi this is some text
and this is a linefeed.
and another');

Set up a System variable from Maven and in java use following call

System.getProperty("Key");

I'm using

Sheet1.Range("E2", "E3000").NumberFormat = "dd/mm/yyyy hh:mm:ss"

to format a column

So I guess

Sheet1.Range("E2", "E3000").NumberFormat = "MMM dd yyyy"

would do the trick for you.

More: NumberFormat function.

The most common advice is wrong, you can't just rely on time(). That's used for relative timing: ISO C++ doesn't specify that 1970-01-01T00:00Z is time_t(0)

What's worse is that you can't easily figure it out, either. Sure, you can find the calendar date of time_t(0) with gmtime, but what are you going to do if that's 2000-01-01T00:00Z ? How many seconds were there between 1970-01-01T00:00Z and 2000-01-01T00:00Z? It's certainly no multiple of 60, due to leap seconds.

$focusable:
  'a[href]',
  'area[href]',
  'button',
  'details',
  'input',
  'iframe',
  'select',
  'textarea',

  // these are actually case sensitive but i'm not listing out all the possible variants
  '[contentEditable=""]',
  '[contentEditable="true"]',
  '[contentEditable="TRUE"]',

  '[tabindex]:not([tabindex^="-"])',
  ':not([disabled])';

I'm creating a SCSS list of all focusable elements and I thought this might help someone due to this question's Google rank.

A few things to note:

• I changed :not([tabindex="-1"]) to :not([tabindex^="-"]) because it's perfectly plausible to generate -2 somehow. Better safe than sorry right?
• Adding :not([tabindex^="-"]) to all the other focusable selectors is completely pointless. When using [tabindex]:not([tabindex^="-"]) it already includes all elements that you'd be negating with :not!
• I included :not([disabled]) because disabled elements can never be focusable. So again it's useless to add it to every single element.

A database is the computerized logical representation of a conceptual (or business) model, consisting of a set of informal business rules. These rules are the user-understood meaning of the data. Because computers comprehend only formal representations, business rules cannot be represented directly in a database. They must be mapped to a formal representation, a logical model, which consists of a set of integrity constraints. These constraints — the database schema — are the logical representation in the database of the business rules and, therefore, are the DBMS-understood meaning of the data. It follows that if the DBMS is unaware of and/or does not enforce the full set of constraints representing the business rules, it has an incomplete understanding of what the data means and, therefore, cannot guarantee (a) its integrity by preventing corruption, (b) the integrity of inferences it makes from it (that is, query results) — this is another way of saying that the DBMS is, at best, incomplete.

Note: The DBMS-“understood” meaning — integrity constraints — is not identical to the user-understood meaning — business rules — but, the loss of some meaning notwithstanding, we gain the ability to mechanize logical inferences from the data.

"An Old Class of Errors" by Fabian Pascal

Please note that, you should allow "system" key as well

    $(element).keydown(function (e) {
    var code = (e.keyCode ? e.keyCode : e.which), value;
    if (isSysKey(code) || code === 8 || code === 46) {
        return true;
    }

    if (e.shiftKey || e.altKey || e.ctrlKey) {
        return ;
    }

    if (code >= 48 && code <= 57) {
        return true;
    }

    if (code >= 96 && code <= 105) {
        return true;
    }

    return false;
});

function isSysKey(code) {
    if (code === 40 || code === 38 ||
            code === 13 || code === 39 || code === 27 ||
            code === 35 ||
            code === 36 || code === 37 || code === 38 ||
            code === 16 || code === 17 || code === 18 ||
            code === 20 || code === 37 || code === 9 ||
            (code >= 112 && code <= 123)) {
        return true;
    }

    return false;
}

$("#FormId").validate().element('#FieldId');

For complicated objects and when performance is not significant i use a json library, like gson to serialize the object to json text, then deserialize the text to get new object.

gson which based on reflection will works in most cases, except that transient fields will not be copied and objects with circular reference with cause StackOverflowError.

public static <T> T copy(T anObject, Class<T> classInfo) {
    Gson gson = new GsonBuilder().create();
    String text = gson.toJson(anObject);
    T newObject = gson.fromJson(text, classInfo);
    return newObject;
}
public static void main(String[] args) {
    String originalObject = "hello";
    String copiedObject = copy(originalObject, String.class);
}

Add the key "View Controller-based status bar appearance" from the dropdownlist as a row in info.plist. Something like this:

With the latest version, you are recommended to switch to the embedded JDK like in the image below, and this will solve your error

The data from the request (content, inputs, files, querystring values) is all on this object HttpContext.Current.Request
To read the posted content

StreamReader reader = new StreamReader(HttpContext.Current.Request.InputStream);
string requestFromPost = reader.ReadToEnd();

To navigate through the all inputs

foreach (string key in HttpContext.Current.Request.Form.AllKeys)
{
   string value = HttpContext.Current.Request.Form[key];
}

The last argument of CONVERT seems to determine the format used for parsing. Consult MSDN docs for CONVERT.

111 - the one you are using is Japan yy/mm/dd.

I guess the one you are looking for is 103, that is dd/mm/yyyy.

So you should try:

 SELECT convert(datetime, '23/07/2009', 103)

I use the old PHP way..It unsets all session variables and doesn't require to specify each one of them in an array. And after unsetting the variables we destroy the session

You can see Silverlight/WPF sets ellipse with hexadecimal colour for using a hex value:

your_contorl.Color = DirectCast(ColorConverter.ConvertFromString("#D8E0A627"), Color)

There are a set of available properties to all Maven projects.

From Introduction to the POM:

project.basedir: The directory that the current project resides in.

This means this points to where your Maven projects resides on your system. It corresponds to the location of the pom.xml file. If your POM is located inside /path/to/project/pom.xml then this property will evaluate to /path/to/project.

Some properties are also inherited from the Super POM, which is the case for project.build.directory. It is the value inside the <project><build><directory> element of the POM. You can get a description of all those values by looking at the Maven model. For project.build.directory, it is:

The directory where all files generated by the build are placed. The default value is target.

This is the directory that will hold every generated file by the build.

That's known as an Arrow Function, part of the ECMAScript 2015 spec...

var foo = ['a', 'ab', 'abc'];_x000D_
_x000D_
var bar = foo.map(f => f.length);_x000D_
_x000D_
console.log(bar); // 1,2,3

Shorter syntax than the previous:

// < ES6:_x000D_
var foo = ['a', 'ab', 'abc'];_x000D_
_x000D_
var bar = foo.map(function(f) {_x000D_
  return f.length;_x000D_
});_x000D_
console.log(bar); // 1,2,3

DEMO

The other awesome thing is lexical this... Usually, you'd do something like:

function Foo() {_x000D_
  this.name = name;_x000D_
  this.count = 0;_x000D_
  this.startCounting();_x000D_
}_x000D_
_x000D_
Foo.prototype.startCounting = function() {_x000D_
  var self = this;_x000D_
  setInterval(function() {_x000D_
    // this is the Window, not Foo {}, as you might expect_x000D_
    console.log(this); // [object Window]_x000D_
    // that's why we reassign this to self before setInterval()_x000D_
    console.log(self.count);_x000D_
    self.count++;_x000D_
  }, 1000)_x000D_
}_x000D_
_x000D_
new Foo();

But that could be rewritten with the arrow like this:

function Foo() {_x000D_
  this.name = name;_x000D_
  this.count = 0;_x000D_
  this.startCounting();_x000D_
}_x000D_
_x000D_
Foo.prototype.startCounting = function() {_x000D_
  setInterval(() => {_x000D_
    console.log(this); // [object Object]_x000D_
    console.log(this.count); // 1, 2, 3_x000D_
    this.count++;_x000D_
  }, 1000)_x000D_
}_x000D_
_x000D_
new Foo();

DEMO

MDN
More on Syntax

For more, here's a pretty good answer for when to use arrow functions.

Not so hard:

#include <thread>

void Test::runMultiThread()
{
    std::thread t1(&Test::calculate, this,  0, 10);
    std::thread t2(&Test::calculate, this, 11, 20);
    t1.join();
    t2.join();
}

If the result of the computation is still needed, use a future instead:

#include <future>

void Test::runMultiThread()
{
     auto f1 = std::async(&Test::calculate, this,  0, 10);
     auto f2 = std::async(&Test::calculate, this, 11, 20);

     auto res1 = f1.get();
     auto res2 = f2.get();
}

Windows: Mostly C and C++, some C#

Split-Path $MyInvocation.MyCommand.Path -Parent

The syntax for creating a new table is

CREATE TABLE new_table
AS
SELECT *
  FROM old_table

This will create a new table named new_table with whatever columns are in old_table and copy the data over. It will not replicate the constraints on the table, it won't replicate the storage attributes, and it won't replicate any triggers defined on the table.

SELECT INTO is used in PL/SQL when you want to fetch data from a table into a local variable in your PL/SQL block.

Some reading to get you started on character encodings: Joel on Software: The Absolute Minimum Every Software Developer Absolutely, Positively Must Know About Unicode and Character Sets (No Excuses!)

By the way - ASP.NET has nothing to do with it. Encodings are universal.

// let timeObject = new Date();
// let milliseconds= 10 * 1000; // 10 seconds = 10000 milliseconds
timeObject = new Date(timeObject.getTime() + milliseconds);

Using this code in your XML, you will be able to see time bar in your activity:

<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:fitsSystemWindows="true">

Edit 2: See @flodel's answer. Much better.

Try:

# assuming SFI is your data.frame
as.matrix(sapply(SFI, as.numeric))  

Edit: or as @ CarlWitthoft suggested in the comments:

matrix(as.numeric(unlist(SFI)),nrow=nrow(SFI))

int? is shorthand for Nullable<int>.

This may be the post you were looking for.

Replication is not very hard to create.

Here's some good tutorials:

http://www.ghacks.net/2009/04/09/set-up-mysql-database-replication/

http://dev.mysql.com/doc/refman/5.5/en/replication-howto.html

http://www.lassosoft.com/Beginners-Guide-to-MySQL-Replication

Here some simple rules you will have to keep in mind (there's more of course but that is the main concept):

1. Setup 1 server (master) for writing data.
2. Setup 1 or more servers (slaves) for reading data.

This way, you will avoid errors.

For example: If your script insert into the same tables on both master and slave, you will have duplicate primary key conflict.

You can view the "slave" as a "backup" server which hold the same information as the master but cannot add data directly, only follow what the master server instructions.

NOTE: Of course you can read from the master and you can write to the slave but make sure you don't write to the same tables (master to slave and slave to master).

I would recommend to monitor your servers to make sure everything is fine.

Let me know if you need additional help

Abstraction is hiding details of implementation as you put it.

You abstract something to a high enough point that you'll only have to do something very simple to perform an action.

Information hiding is hiding implementation details. Programming is hard. You can have a lot of things to deal with and handle. There can be variables you want/need to keep very close track of. Hiding information ensures that no one accidentally breaks something by using a variable or method you exposed publicly.

These 2 concepts are very closely tied together in object-oriented programming.

Here's your answer:

DEFINE num := 1;       -- The semi-colon is needed for default values.
SELECT &num FROM dual;

Since I had everything being forwarded to index.php anyway I thought I would try setting the headers in PHP instead of the .htaccess file and it worked! YAY! Here's what I added to index.php for anyone else having this problem.

// Allow from any origin
if (isset($_SERVER['HTTP_ORIGIN'])) {
    // should do a check here to match $_SERVER['HTTP_ORIGIN'] to a
    // whitelist of safe domains
    header("Access-Control-Allow-Origin: {$_SERVER['HTTP_ORIGIN']}");
    header('Access-Control-Allow-Credentials: true');
    header('Access-Control-Max-Age: 86400');    // cache for 1 day
}
// Access-Control headers are received during OPTIONS requests
if ($_SERVER['REQUEST_METHOD'] == 'OPTIONS') {

    if (isset($_SERVER['HTTP_ACCESS_CONTROL_REQUEST_METHOD']))
        header("Access-Control-Allow-Methods: GET, POST, PUT, DELETE, OPTIONS");         

    if (isset($_SERVER['HTTP_ACCESS_CONTROL_REQUEST_HEADERS']))
        header("Access-Control-Allow-Headers: {$_SERVER['HTTP_ACCESS_CONTROL_REQUEST_HEADERS']}");

}

credit goes to slashingweapon for his answer on this question

Because I'm using Slim I added this route so that OPTIONS requests get a HTTP 200 response

// return HTTP 200 for HTTP OPTIONS requests
$app->map('/:x+', function($x) {
    http_response_code(200);
})->via('OPTIONS');

You can use the following technique:

printf("%.*s", 5, "=================");

This will print "=====" It works for me on Visual Studio, no reason it shouldn't work on all C compilers.

Use raw:

<%=raw @str >

But as @jmort253 correctly says, consider where the HTML really belongs.

private dynamic defaultReminder = reminder.TimeSpanText[TimeSpan.FromMinutes(15)]; is a field initializer and executes first (before any field without an initializer is set to its default value and before the invoked instance constructor is executed). Instance fields that have no initializer will only have a legal (default) value after all instance field initializers are completed. Due to the initialization order, instance constructors are executed last, which is why the instance is not created yet the moment the initializers are executed. Therefore the compiler cannot allow any instance property (or field) to be referenced before the class instance is fully constructed. This is because any access to an instance variable like reminder implicitly references the instance (this) to tell the compiler the concrete memory location of the instance to use.

This is also the reason why this is not allowed in an instance field initializer.

A variable initializer for an instance field cannot reference the instance being created. Thus, it is a compile-time error to reference this in a variable initializer, as it is a compile-time error for a variable initializer to reference any instance member through a simple_name.

The only type members that are guaranteed to be initialized before instance field initializers are executed are class (static) field initializers and class (static) constructors and class methods. Since static members are instance independent, they can be referenced at any time:

class SomeOtherClass
{
  private static Reminders reminder = new Reminders();

  // This operation is allowed,
  // since the compiler can guarantee that the referenced class member is already initialized
  // when this instance field initializer executes
  private dynamic defaultReminder = reminder.TimeSpanText[TimeSpan.FromMinutes(15)];
}

That's why instance field initializers are only allowed to reference a class member (static member). This compiler initialization rules will ensure a deterministic type instantiation.

For more details I recommend this document: Microsoft Docs: Class declarations.

This means that an instance field that references another instance member to initialize its value, must be initialized from the instance constructor or the referenced member must be declared static.

Shiva's answer doesn't apply anymore. The API call "/users/{user-id}/follows" is not supported by Instagram for some time (it was disabled in 2016).

For a while you were able to get only your own followers/followings with "/users/self/follows" endpoint, but Instagram disabled that feature in April 2018 (with the Cambridge Analytica issue). You can read about it here.

As far as I know (at this moment) there isn't a service available (official or unofficial) where you can get the followers/followings of a user (even your own).

json.loads()

import json

d = json.loads(j)
print d['glossary']['title']

My situation and what I did to fix it:
I have a javascript file included on an HTML page as follows:
Page Name: test.html

<!DOCTYPE html>
<html>
    <head>
        <script src="scripts/common.js"></script>
        <title>Test debugging JS in Chrome</title>
        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    </head>
    <body>
        <div>
         <script type="text/javascript">
            document.write("something");
         </script>

        </div>
     </body>
</html>

Now entering the Javascript Debugger in Chrome, I click the Scripts Tab, and drop down the list as shown above. I can clearly see scripts/common.js however I could NOT see the current html page test.html in the drop down, therefore I could not debug the embedded javascript:

<script type="text/javascript">
  document.write("something");
</script>

That was perplexing. However, when I removed the obsolete type="text/javascript" from the embedded script:

<script>
  document.write("something");
</script>

..and refreshed / reloaded the page, voila, it appeared in the drop down list, and all was well again.
I hope this is helpful to anyone who is having issues debugging embedded javascript on an html page.

To get an individual table's creation script:
- select all the table (with shift key)
- just right click on the table name and click Copy to Clipboard > Create Statement.

The common method for doing what you're looking to do is to run them side by side, and either proxy requests from apache to node.js based on domain / url, or simply have your node.js content be pulled from the node.js port. This later method works very well for having things like socket.io powered widgets on your site and such.

If you're going to be doing all of your dynamic content generation in node however, you might as well just use node.js as your primary webserver too, it does a very good job at serving both static and dynamic http requests.

See:

http://expressjs.com/

https://github.com/joyent/node/wiki/modules

Here is how I have done the same in Swift:

For Push:

    UIView.animateWithDuration(0.75, animations: { () -> Void in
        UIView.setAnimationCurve(UIViewAnimationCurve.EaseInOut)
        self.navigationController!.pushViewController(nextView, animated: false)
        UIView.setAnimationTransition(UIViewAnimationTransition.FlipFromRight, forView: self.navigationController!.view!, cache: false)
    })

For Pop:

I actually did this a little differently to some of the responses above - but as I am new to Swift development, it might not be right. I have overridden viewWillDisappear:animated: and added the pop code in there:

    UIView.animateWithDuration(0.75, animations: { () -> Void in
        UIView.setAnimationCurve(UIViewAnimationCurve.EaseInOut)
        UIView.setAnimationTransition(UIViewAnimationTransition.FlipFromLeft, forView: self.navigationController!.view, cache: false)
    })

    super.viewWillDisappear(animated)

It actually works now from bower.

bower install material-design-icons --save

It downloads 37.1 KBs. Then it extracts and installs. You will see a folder called material-design-icons in bower_components folder. The total size is around 299KBs

When using a virtualenv and if you just want to upgrade packages added to your virtualenv, you may want to do:

pip install `pip freeze -l | cut --fields=1 -d = -` --upgrade

I have a solution for this issue, check the code:

FirefoxProfile firefoxProfile = new FirefoxProfile();

firefoxProfile.setPreference("browser.download.folderList",2);
firefoxProfile.setPreference("browser.download.manager.showWhenStarting",false);
firefoxProfile.setPreference("browser.download.dir","c:\\downloads");
firefoxProfile.setPreference("browser.helperApps.neverAsk.saveToDisk","text/csv");

WebDriver driver = new FirefoxDriver(firefoxProfile);//new RemoteWebDriver(new URL("http://localhost:4444/wd/hub"), capability);

driver.navigate().to("http://www.myfile.com/hey.csv");

You could leverage the html-to-react npm module.

Note: I'm the author of the module and just published it a few hours ago. Please feel free to report any bugs or usability issues.

You might just have to install the packages.

yum install php-pdo php-mysqli

After they're installed, restart Apache.

httpd restart

or

apachectl restart

Swift 5 version of the solution

func myCriticalFunction() {
    var value1: String?
    var value2: String?

    let group = DispatchGroup()


    group.enter()
    //async operation 1
    DispatchQueue.global(qos: .default).async { 
        // Network calls or some other async task
        value1 = //out of async task
        group.leave()
    }


    group.enter()
    //async operation 2
    DispatchQueue.global(qos: .default).async {
        // Network calls or some other async task
        value2 = //out of async task
        group.leave()
    }

    
    group.wait()

    print("Value1 \(value1) , Value2 \(value2)") 
}

Create a folder named fonts in the assets folder and add the snippet from the below link.

Typeface tf = Typeface.createFromAsset(getApplicationContext().getAssets(),"fonts/fontname.ttf");
textview.setTypeface(tf);

Unless you want to go the VBA route to work out the Tab name, the Excel formula is fairly ugly based upon Mid functions, etc. But both these methods can be found here if you want to go that way.

Rather, the way I would do it is:

1) Make one cell on your sheet named, for example, Reference_Sheet and put in that cell the value "Jan Item" for example.

2) Now, use the Indirect function like:

=INDIRECT(Reference_Sheet&"!J3") 

3) Now, for each month's sheet, you just have to change that one Reference_Sheet cell.

Hope this gives you what you're looking for!

You need a gutter between two div gutter can be made as following

margin(gutter) = width - gutter size E.g margin = calc(70% - 2em)

<body bgcolor="gray">
<section id="main">
        <div id="left">
            Something here     
        </div>
        <div id="right">
                Someone there
        </div>
</section>
</body>
<style>
body{
    font-size: 10px;
}

#main div{
    float: left;
    background-color:#ffffff;
    width: calc(50% - 1.5em);
    margin-left: 1.5em;
}
</style>

A void* can point to anything (it's a raw pointer without any type info).

The pointer-events CSS property is a little lacking when it comes to support (caniuse.com), but it's very succinct:

.my-link { pointer-events: none; } 

When you upload your p8 file in Firebase, in the box that reads App ID Prefix(required) , you should enter your team ID. You can get it from https://developer.apple.com/account/#/membership and copy/paste the Team ID as shown below.

Here is my solution after many tests with if exist, pushd, dir /AD, etc...

@echo off
cd /d C:\
for /f "delims=" %%I in ('dir /a /ogn /b') do (
    call :isdir "%%I"
    if errorlevel 1 (echo F: %%~fI) else echo D: %%~fI
)
cmd/k

:isdir
echo.%~a1 | findstr /b "d" >nul
exit /b %errorlevel%

:: Errorlevel
:: 0 = folder
:: 1 = file or item not found

• It works with files that have no extension
• It works with folders named folder.ext
• It works with UNC path
• It works with double-quoted full path or with just the dirname or filename only.
• It works even if you don't have read permissions
• It works with Directory Links (Junctions).
• It works with files whose path contains a Directory Link.

If you are hosting in IIS ; Adding this to my webconfig solved my problem

<httpErrors errorMode="Custom" defaultResponseMode="ExecuteURL">
    <remove statusCode="500" subStatusCode="100" />
    <remove statusCode="500" subStatusCode="-1" />
    <remove statusCode="404" subStatusCode="-1" />
    <error statusCode="404" path="/" responseMode="ExecuteURL" />
    <error statusCode="500" prefixLanguageFilePath="" path="/error_500.asp" responseMode="ExecuteURL" />
    <error statusCode="500" subStatusCode="100" path="/error_500.asp" responseMode="ExecuteURL" />
</httpErrors>

You can make similar configuration for any other server

You can use this shell script to clean up the folder and files within C:\Temp source:

del /q "C:\Temp\*"
FOR /D %%p IN ("C:\Temp\*.*") DO rmdir "%%p" /s /q

Create a batch file (say, delete.bat) containing the above command. Go to the location where the delete.bat file is located and then run the command: delete.bat

First you create the EditText in the xml file and assign an id, eg con_pag_etPesquisa. After that, we will create two lists, where one is the list view and the other to receive the same content but will remain as a backup. Before moving objects to lists first initializes Them the below:

//Declaring

public EditText etPesquisa;

public ContasPagarAdapter adapterNormal;

public List<ContasPagar> lstBkp;

public List<ContasPagar> lstCp;

//Within the onCreate method, type the following:

etPesquisa = (EditText) findViewById(R.id.con_pag_etPesquisa);

etPesquisa.addTextChangedListener(new TextWatcher(){

    @Override
    public void onTextChanged(CharSequence cs, int arg1, int arg2, int arg3){
        filter(String.valueOf(cs));
    }
    @Override
    public void beforeTextChanged(CharSequence cs, int arg1, int arg2, int arg3){

    // TODO Auto-generated method stub
    }
    @Override
    public void afterTextChanged(Editable e){

    }

});

//Before moving objects to lists first initializes them as below:

lstCp = new ArrayList<ContasPagar>();

lstBkp = new ArrayList<ContasPagar>();


//When you add objects to the main list, repeat the procedure also for bkp list, as follows:

lstCp.add(cp);

lstBkp.add(cp);


//Now initializes the adapter and let the listener, as follows:

adapterNormal = new ContasPagarAdapter(ContasPagarActivity.this, lstCp);

lvContasPagar.setAdapter(adapterNormal);
                    lvContasPagar.setOnItemClickListener(verificaClickItemContasPagar(lstCp));


//Now create the methods inside actito filter the text entered by the user, as follows:

public void filter(String charText){

    charText = charText.toLowerCase();

    lstCp.clear();

    if (charText.length() == 0){

        lstCp.addAll(lstBkp);

        appendAddItem(lstBkp);

    } 

    else {

        for (int i = 0; i < lstBkp.size(); i++){

            if((lstBkp.get(i).getNome_lancamento() + " - " + String.valueOf(lstBkp.get(i).getCodigo())).toLowerCase().contains(charText)){

                lstCp.add(lstBkp.get(i));

            }

        }

        appendAddItem(lstCp);
    }
}

private void appendAddItem(final List<ContasPagar> novaLista){
    runOnUiThread(new Runnable(){

        @Override
            public void run(){
                adapterNormal.notifyDataSetChanged();               
            }
        });
    }

Long version:

private bool booleanMethod () {
    if (your_condition) {
        return true;
    } else {
        return false;
    }
}

But since you are using the outcome of your condition as the result of the method you can shorten it to

private bool booleanMethod () {
    return your_condition;
}

After looking in question, you should not use 404 why?

Based on RFC 7231 the correct status code is 204

In the anwsers above I noticed 1 small missunderstanding:

1.- the resource is: /users

2.- /users/8 is not the resource, this is: the resource /users with route parameter 8, consumer maybe cannot notice it and does not know the difference, but publisher does and must know this!... so he must return an accurate response for consumers. period.

so:

Based on the RFC: 404 is incorrect because the resources /users is found, but the logic executed using the parameter 8 did not found any content to return as a response, so the correct answer is: 204

The main point here is: 404 not even the resource was found to process the internal logic

204 is a: I found the resource, the logic was executed but I did not found any data using your criteria given in the route parameter so I cant return anything to you. Im sorry, verify your criteria and call me again.

200: ok i found the resource, the logic was executed (even when Im not forced to return anything) take this and use it at your will.

205: (the best option of a GET response) I found the resource, the logic was executed, I have some content for you, use it well, oh by the way if your are going to share this in a view please refresh the view to display it.

Hope it helps.

<script type="text/javascript">
$(document).ready(function(){
    $('.nav li').click(function(){
        $(this).addClass('active');
        $(this).siblings().removeClass('active');

    });

});

This link goes to the best comparison chart around, directly from the Microsoft. It compares ALL aspects of all MS SQL server editions. To compare three editions you are asking about, just focus on the last three columns of every table in there.

Summary compiled from the above document:

    * = contains the feature
                                           SQLEXPR    SQLEXPRWT   SQLEXPRADV
 ----------------------------------------------------------------------------
    > SQL Server Core                         *           *           *
    > SQL Server Management Studio            -           *           *
    > Distributed Replay – Admin Tool         -           *           *
    > LocalDB                                 -           *           *
    > SQL Server Data Tools (SSDT)            -           -           *
    > Full-text and semantic search           -           -           *
    > Specification of language in query      -           -           *
    > some of Reporting services features     -           -           *

You could use getNetworkCountryIso() from TelephonyManager to get the country the phone is currently in (although apparently this is unreliable on CDMA networks).

Since [^a-z0-9] character class contains all that is not alnum, it contains white characters too!

 text.replace(/[^a-z0-9]+/gi, " ");

=v= The "I" prefix is also used in the Wicket framework, where I got used to it quickly. In general, I welcome any convention that shortens cumbersome Java classnames. It is a hassle, though, that everything is alphabetized under "I" in the directories and in the Javadoc.

Wicket coding practice is similar to Swing, in that many control/widget instances are constructed as anonymous inner classes with inline method declarations. Annoyingly, it differs 180° from Swing in that Swing uses a prefix ("J") for the implementing classes.

The "Impl" suffix is a mangly abbreviation and doesn't internationalize well. If only we'd at least gone with "Imp" it would be cuter (and shorter). "Impl" is used for IOC, especially Spring, so we're sort of stuck with it for now. It gets a bit schizo following 3 different conventions in three different parts of one codebase, though.

Try using

<table  border="1" cellspacing="0" cellpadding="0" class="template-table" 
style="table-layout: fixed; width: 100%"> 

as table style along with

<td style="word-break:break-word">long text</td>

for td it works for normal/real scenario text with words, not for random typed letters without gaps

1: Why not use a simple for statement? Assuming you're using a real array and not an Iterator you could easily check whether the counter variable is 0 or one less than the whole number of elements. In my opinion this is the most clean and understandable solution...

$array = array( ... );

$count = count( $array );

for ( $i = 0; $i < $count; $i++ )
{

    $current = $array[ $i ];

    if ( $i == 0 )
    {

        // process first element

    }

    if ( $i == $count - 1 )
    {

        // process last element

    }

}

2: You should consider using Nested Sets to store your tree structure. Additionally you can improve the whole thing by using recursive functions.

Just change the ADD to MODIFY and it will works !

Replace

ALTER TABLE users ADD id int NOT NULL AUTO_INCREMENT

To

ALTER TABLE users MODIFY id int NOT NULL AUTO_INCREMENT;

Is there a way in which I can update the plot just by adding more point[s] to it...

There are a number of ways of animating data in matplotlib, depending on the version you have. Have you seen the matplotlib cookbook examples? Also, check out the more modern animation examples in the matplotlib documentation. Finally, the animation API defines a function FuncAnimation which animates a function in time. This function could just be the function you use to acquire your data.

Each method basically sets the data property of the object being drawn, so doesn't require clearing the screen or figure. The data property can simply be extended, so you can keep the previous points and just keep adding to your line (or image or whatever you are drawing).

Given that you say that your data arrival time is uncertain your best bet is probably just to do something like:

import matplotlib.pyplot as plt
import numpy

hl, = plt.plot([], [])

def update_line(hl, new_data):
    hl.set_xdata(numpy.append(hl.get_xdata(), new_data))
    hl.set_ydata(numpy.append(hl.get_ydata(), new_data))
    plt.draw()

Then when you receive data from the serial port just call update_line.

FWIW CloudFront supports streaming as well. Might be better than plain streaming from instances.

$haystack = array (
   'say hello',
   'hello stackoverflow',
   'hello world',
   'foo bar bas'
);

$matches  = preg_grep('/hello/i', $haystack);

print_r($matches);

Output

Array
(
    [1] => say hello
    [2] => hello stackoverflow
    [3] => hello world
)

If you want to append a single value into an array, simply use the push method. It will add a new element at the end of the array.

But if you intend to add multiple elements then store the elements in a new array and concat the second array with the first array...either way you wish.

arr=['a','b','c'];
arr.push('d');
//now print the array in console.log and it will contain 'a','b','c','d' as elements.
console.log(array);

I don't know about methods; however, the type to GUID can be done via:

Guid iid = System.Runtime.InteropServices.Marshal.GenerateGuidForType(typeof(IFoo));

http://msdn.microsoft.com/en-us/library/system.runtime.interopservices.marshal.generateguidfortype.aspx

opencv has changed some functions and moved them to their opencv_contrib repo so you have to call the mentioned method with:

recognizer = cv2.face.createLBPHFaceRecognizer()

Note: You can see this issue about missing docs. Try using help function help(cv2.face.createLBPHFaceRecognizer) for more details.

The right combination of Windows SDK Version and Platform Toolset needs to be selected Depends of course what toolset you have currently installed

Just use the following

Server.MapPath("~/Data/data.html")

This is a comprehensive list of all liquibase datatypes and how they are converted for different databases:

boolean
MySQLDatabase: BIT(1)
SQLiteDatabase: BOOLEAN
H2Database: BOOLEAN
PostgresDatabase: BOOLEAN
UnsupportedDatabase: BOOLEAN
DB2Database: SMALLINT
MSSQLDatabase: [bit]
OracleDatabase: NUMBER(1)
HsqlDatabase: BOOLEAN
FirebirdDatabase: SMALLINT
DerbyDatabase: SMALLINT
InformixDatabase: BOOLEAN
SybaseDatabase: BIT
SybaseASADatabase: BIT

tinyint
MySQLDatabase: TINYINT
SQLiteDatabase: TINYINT
H2Database: TINYINT
PostgresDatabase: SMALLINT
UnsupportedDatabase: TINYINT
DB2Database: SMALLINT
MSSQLDatabase: [tinyint]
OracleDatabase: NUMBER(3)
HsqlDatabase: TINYINT
FirebirdDatabase: SMALLINT
DerbyDatabase: SMALLINT
InformixDatabase: TINYINT
SybaseDatabase: TINYINT
SybaseASADatabase: TINYINT

int
MySQLDatabase: INT
SQLiteDatabase: INTEGER
H2Database: INT
PostgresDatabase: INT
UnsupportedDatabase: INT
DB2Database: INTEGER
MSSQLDatabase: [int]
OracleDatabase: INTEGER
HsqlDatabase: INT
FirebirdDatabase: INT
DerbyDatabase: INTEGER
InformixDatabase: INT
SybaseDatabase: INT
SybaseASADatabase: INT

mediumint
MySQLDatabase: MEDIUMINT
SQLiteDatabase: MEDIUMINT
H2Database: MEDIUMINT
PostgresDatabase: MEDIUMINT
UnsupportedDatabase: MEDIUMINT
DB2Database: MEDIUMINT
MSSQLDatabase: [int]
OracleDatabase: MEDIUMINT
HsqlDatabase: MEDIUMINT
FirebirdDatabase: MEDIUMINT
DerbyDatabase: MEDIUMINT
InformixDatabase: MEDIUMINT
SybaseDatabase: MEDIUMINT
SybaseASADatabase: MEDIUMINT

bigint
MySQLDatabase: BIGINT
SQLiteDatabase: BIGINT
H2Database: BIGINT
PostgresDatabase: BIGINT
UnsupportedDatabase: BIGINT
DB2Database: BIGINT
MSSQLDatabase: [bigint]
OracleDatabase: NUMBER(38, 0)
HsqlDatabase: BIGINT
FirebirdDatabase: BIGINT
DerbyDatabase: BIGINT
InformixDatabase: INT8
SybaseDatabase: BIGINT
SybaseASADatabase: BIGINT

float
MySQLDatabase: FLOAT
SQLiteDatabase: FLOAT
H2Database: FLOAT
PostgresDatabase: FLOAT
UnsupportedDatabase: FLOAT
DB2Database: FLOAT
MSSQLDatabase: [float](53)
OracleDatabase: FLOAT
HsqlDatabase: FLOAT
FirebirdDatabase: FLOAT
DerbyDatabase: FLOAT
InformixDatabase: FLOAT
SybaseDatabase: FLOAT
SybaseASADatabase: FLOAT

double
MySQLDatabase: DOUBLE
SQLiteDatabase: DOUBLE
H2Database: DOUBLE
PostgresDatabase: DOUBLE PRECISION
UnsupportedDatabase: DOUBLE
DB2Database: DOUBLE
MSSQLDatabase: [float](53)
OracleDatabase: FLOAT(24)
HsqlDatabase: DOUBLE
FirebirdDatabase: DOUBLE PRECISION
DerbyDatabase: DOUBLE
InformixDatabase: DOUBLE PRECISION
SybaseDatabase: DOUBLE
SybaseASADatabase: DOUBLE

decimal
MySQLDatabase: DECIMAL
SQLiteDatabase: DECIMAL
H2Database: DECIMAL
PostgresDatabase: DECIMAL
UnsupportedDatabase: DECIMAL
DB2Database: DECIMAL
MSSQLDatabase: [decimal](18, 0)
OracleDatabase: DECIMAL
HsqlDatabase: DECIMAL
FirebirdDatabase: DECIMAL
DerbyDatabase: DECIMAL
InformixDatabase: DECIMAL
SybaseDatabase: DECIMAL
SybaseASADatabase: DECIMAL

number
MySQLDatabase: numeric
SQLiteDatabase: NUMBER
H2Database: NUMBER
PostgresDatabase: numeric
UnsupportedDatabase: NUMBER
DB2Database: numeric
MSSQLDatabase: [numeric](18, 0)
OracleDatabase: NUMBER
HsqlDatabase: numeric
FirebirdDatabase: numeric
DerbyDatabase: numeric
InformixDatabase: numeric
SybaseDatabase: numeric
SybaseASADatabase: numeric

blob
MySQLDatabase: LONGBLOB
SQLiteDatabase: BLOB
H2Database: BLOB
PostgresDatabase: BYTEA
UnsupportedDatabase: BLOB
DB2Database: BLOB
MSSQLDatabase: [varbinary](MAX)
OracleDatabase: BLOB
HsqlDatabase: BLOB
FirebirdDatabase: BLOB
DerbyDatabase: BLOB
InformixDatabase: BLOB
SybaseDatabase: IMAGE
SybaseASADatabase: LONG BINARY

function
MySQLDatabase: FUNCTION
SQLiteDatabase: FUNCTION
H2Database: FUNCTION
PostgresDatabase: FUNCTION
UnsupportedDatabase: FUNCTION
DB2Database: FUNCTION
MSSQLDatabase: [function]
OracleDatabase: FUNCTION
HsqlDatabase: FUNCTION
FirebirdDatabase: FUNCTION
DerbyDatabase: FUNCTION
InformixDatabase: FUNCTION
SybaseDatabase: FUNCTION
SybaseASADatabase: FUNCTION

UNKNOWN
MySQLDatabase: UNKNOWN
SQLiteDatabase: UNKNOWN
H2Database: UNKNOWN
PostgresDatabase: UNKNOWN
UnsupportedDatabase: UNKNOWN
DB2Database: UNKNOWN
MSSQLDatabase: [UNKNOWN]
OracleDatabase: UNKNOWN
HsqlDatabase: UNKNOWN
FirebirdDatabase: UNKNOWN
DerbyDatabase: UNKNOWN
InformixDatabase: UNKNOWN
SybaseDatabase: UNKNOWN
SybaseASADatabase: UNKNOWN

datetime
MySQLDatabase: datetime
SQLiteDatabase: TEXT
H2Database: TIMESTAMP
PostgresDatabase: TIMESTAMP WITHOUT TIME ZONE
UnsupportedDatabase: datetime
DB2Database: TIMESTAMP
MSSQLDatabase: [datetime]
OracleDatabase: TIMESTAMP
HsqlDatabase: TIMESTAMP
FirebirdDatabase: TIMESTAMP
DerbyDatabase: TIMESTAMP
InformixDatabase: DATETIME YEAR TO FRACTION(5)
SybaseDatabase: datetime
SybaseASADatabase: datetime

time
MySQLDatabase: time
SQLiteDatabase: time
H2Database: time
PostgresDatabase: TIME WITHOUT TIME ZONE
UnsupportedDatabase: time
DB2Database: time
MSSQLDatabase: [time](7)
OracleDatabase: DATE
HsqlDatabase: time
FirebirdDatabase: time
DerbyDatabase: time
InformixDatabase: INTERVAL HOUR TO FRACTION(5)
SybaseDatabase: time
SybaseASADatabase: time

timestamp
MySQLDatabase: timestamp
SQLiteDatabase: TEXT
H2Database: TIMESTAMP
PostgresDatabase: TIMESTAMP WITHOUT TIME ZONE
UnsupportedDatabase: timestamp
DB2Database: timestamp
MSSQLDatabase: [datetime]
OracleDatabase: TIMESTAMP
HsqlDatabase: TIMESTAMP
FirebirdDatabase: TIMESTAMP
DerbyDatabase: TIMESTAMP
InformixDatabase: DATETIME YEAR TO FRACTION(5)
SybaseDatabase: datetime
SybaseASADatabase: timestamp

date
MySQLDatabase: date
SQLiteDatabase: date
H2Database: date
PostgresDatabase: date
UnsupportedDatabase: date
DB2Database: date
MSSQLDatabase: [date]
OracleDatabase: date
HsqlDatabase: date
FirebirdDatabase: date
DerbyDatabase: date
InformixDatabase: date
SybaseDatabase: date
SybaseASADatabase: date

char
MySQLDatabase: CHAR
SQLiteDatabase: CHAR
H2Database: CHAR
PostgresDatabase: CHAR
UnsupportedDatabase: CHAR
DB2Database: CHAR
MSSQLDatabase: [char](1)
OracleDatabase: CHAR
HsqlDatabase: CHAR
FirebirdDatabase: CHAR
DerbyDatabase: CHAR
InformixDatabase: CHAR
SybaseDatabase: CHAR
SybaseASADatabase: CHAR

varchar
MySQLDatabase: VARCHAR
SQLiteDatabase: VARCHAR
H2Database: VARCHAR
PostgresDatabase: VARCHAR
UnsupportedDatabase: VARCHAR
DB2Database: VARCHAR
MSSQLDatabase: [varchar](1)
OracleDatabase: VARCHAR2
HsqlDatabase: VARCHAR
FirebirdDatabase: VARCHAR
DerbyDatabase: VARCHAR
InformixDatabase: VARCHAR
SybaseDatabase: VARCHAR
SybaseASADatabase: VARCHAR

nchar
MySQLDatabase: NCHAR
SQLiteDatabase: NCHAR
H2Database: NCHAR
PostgresDatabase: NCHAR
UnsupportedDatabase: NCHAR
DB2Database: NCHAR
MSSQLDatabase: [nchar](1)
OracleDatabase: NCHAR
HsqlDatabase: CHAR
FirebirdDatabase: NCHAR
DerbyDatabase: NCHAR
InformixDatabase: NCHAR
SybaseDatabase: NCHAR
SybaseASADatabase: NCHAR

nvarchar
MySQLDatabase: NVARCHAR
SQLiteDatabase: NVARCHAR
H2Database: NVARCHAR
PostgresDatabase: VARCHAR
UnsupportedDatabase: NVARCHAR
DB2Database: NVARCHAR
MSSQLDatabase: [nvarchar](1)
OracleDatabase: NVARCHAR2
HsqlDatabase: VARCHAR
FirebirdDatabase: NVARCHAR
DerbyDatabase: VARCHAR
InformixDatabase: NVARCHAR
SybaseDatabase: NVARCHAR
SybaseASADatabase: NVARCHAR

clob
MySQLDatabase: LONGTEXT
SQLiteDatabase: TEXT
H2Database: CLOB
PostgresDatabase: TEXT
UnsupportedDatabase: CLOB
DB2Database: CLOB
MSSQLDatabase: [varchar](MAX)
OracleDatabase: CLOB
HsqlDatabase: CLOB
FirebirdDatabase: BLOB SUB_TYPE TEXT
DerbyDatabase: CLOB
InformixDatabase: CLOB
SybaseDatabase: TEXT
SybaseASADatabase: LONG VARCHAR

currency
MySQLDatabase: DECIMAL
SQLiteDatabase: REAL
H2Database: DECIMAL
PostgresDatabase: DECIMAL
UnsupportedDatabase: DECIMAL
DB2Database: DECIMAL(19, 4)
MSSQLDatabase: [money]
OracleDatabase: NUMBER(15, 2)
HsqlDatabase: DECIMAL
FirebirdDatabase: DECIMAL(18, 4)
DerbyDatabase: DECIMAL
InformixDatabase: MONEY
SybaseDatabase: MONEY
SybaseASADatabase: MONEY

uuid
MySQLDatabase: char(36)
SQLiteDatabase: TEXT
H2Database: UUID
PostgresDatabase: UUID
UnsupportedDatabase: char(36)
DB2Database: char(36)
MSSQLDatabase: [uniqueidentifier]
OracleDatabase: RAW(16)
HsqlDatabase: char(36)
FirebirdDatabase: char(36)
DerbyDatabase: char(36)
InformixDatabase: char(36)
SybaseDatabase: UNIQUEIDENTIFIER
SybaseASADatabase: UNIQUEIDENTIFIER

For reference, this is the groovy script I've used to generate this output:

@Grab('org.liquibase:liquibase-core:3.5.1')

import liquibase.database.core.*
import liquibase.datatype.core.*

def datatypes = [BooleanType,TinyIntType,IntType,MediumIntType,BigIntType,FloatType,DoubleType,DecimalType,NumberType,BlobType,DatabaseFunctionType,UnknownType,DateTimeType,TimeType,TimestampType,DateType,CharType,VarcharType,NCharType,NVarcharType,ClobType,CurrencyType,UUIDType]
def databases = [MySQLDatabase, SQLiteDatabase, H2Database, PostgresDatabase, UnsupportedDatabase, DB2Database, MSSQLDatabase, OracleDatabase, HsqlDatabase, FirebirdDatabase, DerbyDatabase, InformixDatabase, SybaseDatabase, SybaseASADatabase]
datatypes.each {
    def datatype = it.newInstance()
    datatype.finishInitialization("")
    println datatype.name
    databases.each { println "$it.simpleName: ${datatype.toDatabaseDataType(it.newInstance())}"}
    println ''
}

Try this:

a = 1
b = 2
int_div  = a // b

You can use nircmd.exe's elevate command

NirCmd Command Reference - elevate

elevate [Program] {Command-Line Parameters}

For Windows Vista/7/2008 only: Run a program with administrator rights. When the [Program] contains one or more space characters, you must put it in quotes.

Examples:

elevate notepad.exe 
elevate notepad.exe C:\Windows\System32\Drivers\etc\HOSTS 
elevate "c:\program files\my software\abc.exe"

PS: I use it on win 10 and it works

Some good answers here about the specific question you asked. I'd like to step back and look at the bigger picture.

Keep in mind that your user's perception of the speed of the software you write is affected by many other factors than just how well the codegen optimizes. Here are some examples:

• Manual memory management is hard to do correctly (no leaks), and even harder to do effeciently (free memory soon after you're done with it). Using a GC is, in general, more likely to produce a program that manages memory well. Are you willing to work very hard, and delay delivering your software, in an attempt to out-do the GC?

• My C# is easier to read & understand than my C++. I also have more ways to convince myself that my C# code is working correctly. That means I can optimize my algorithms with less risk of introducing bugs (and users don't like software that crashes, even if it does it quickly!)

• I can create my software faster in C# than in C++. That frees up time to work on performance, and still deliver my software on time.

• It's easier to write good UI in C# than C++, so I'm more likely to be able to push work to the background while UI stays responsive, or to provide progress or hearbeat UI when the program has to block for a while. This doesn't make anything faster, but it makes users happier about waiting.

Everything I said about C# is probably true for Java, I just don't have the experience to say for sure.

You are always checking for a true condition, hence your message will always show.

You should replace your if (true) statement with if ( n == JOptionPane.YES_OPTION)

When one of the showXxxDialog methods returns an integer, the possible values are:

YES_OPTION NO_OPTION CANCEL_OPTION OK_OPTION CLOSED_OPTION

From here

1. You need

   @ManagedBean(name="userBean")

2. Make sure you have getUser() method.

3. Type of setUser() method should be void.

4. Make sure that User class has proper setters and getters as well.

I've had a problem with <select> tags not updating to the correct <option> when the state changes. My problem seemed to be that if you render twice in quick succession, the first time with no pre-selected <option> but the second time with one, then the <select> tag doesn't update on the second render, but stays on the default first .

I found a solution to this using refs. You need to get a reference to your <select> tag node (which might be nested in some component), and then manually update the value property on it, in the componentDidUpdate hook.

componentDidUpdate(){
  let selectNode = React.findDOMNode(this.refs.selectingComponent.refs.selectTag);
  selectNode.value = this.state.someValue;
}

Sounds like the instance was launched in VPC and while doing so, the check-box for Automatically assign a public IP address to your instances was not checked. Hence the instance does not have a public IP

You can assign an Elastic IP to this instance and then log in using that IP.

The HTTP POST payload is just a flat bunch of bytes. Django (like most frameworks) decodes it into a dictionary from either URL encoded parameters, or MIME-multipart encoding. If you just dump the JSON data in the POST content, Django won't decode it. Either do the JSON decoding from the full POST content (not the dictionary); or put the JSON data into a MIME-multipart wrapper.

In short, show the JavaScript code. The problem seems to be there.

The EXCEL and OLED DB connection managers use the parameter names 0 and 1.

I was using a oledb connection and wasted couple of hours trying to figure out the reason why the query was not working or taking the parameters. the above explanation helped a lot Thanks a lot.

Check scipy.stats.mode() (inspired by @tom10's comment):

import numpy as np
from scipy import stats

a = np.array([[1, 3, 4, 2, 2, 7],
              [5, 2, 2, 1, 4, 1],
              [3, 3, 2, 2, 1, 1]])

m = stats.mode(a)
print(m)

Output:

ModeResult(mode=array([[1, 3, 2, 2, 1, 1]]), count=array([[1, 2, 2, 2, 1, 2]]))

As you can see, it returns both the mode as well as the counts. You can select the modes directly via m[0]:

print(m[0])

Output:

[[1 3 2 2 1 1]]

why not just use export/import wizard in SSMS?

PowerShell 2.0 replacement for [string]::IsNullOrWhiteSpace() is string -notmatch "\S"

("\S" = any non-whitespace character)

> $null  -notmatch "\S"
True
> "   "  -notmatch "\S"
True
> " x "  -notmatch "\S"
False

Performance is very close:

> Measure-Command {1..1000000 |% {[string]::IsNullOrWhiteSpace("   ")}}
TotalMilliseconds : 3641.2089

> Measure-Command {1..1000000 |% {"   " -notmatch "\S"}}
TotalMilliseconds : 4040.8453

.no-search .select2-search {
    display:none
}

$("#test").select2({
    dropdownCssClass : 'no-search'
}); 

{% for source in sources %}
  <tr>
    <td>{{ source }}</td>
    <td>
      {% ifequal title source %}
        Just now!
      {% endifequal %}
    </td>
  </tr>
{% endfor %}

                or


{% for source in sources %}
      <tr>
        <td>{{ source }}</td>
        <td>
          {% if title == source %}
            Just now!
          {% endif %}
        </td>
      </tr>
    {% endfor %}

See Django Doc

The 'u' in front of the string values means the string is a Unicode string. Unicode is a way to represent more characters than normal ASCII can manage. The fact that you're seeing the u means you're on Python 2 - strings are Unicode by default on Python 3, but on Python 2, the u in front distinguishes Unicode strings. The rest of this answer will focus on Python 2.

You can create a Unicode string multiple ways:

>>> u'foo'
u'foo'
>>> unicode('foo') # Python 2 only
u'foo'

But the real reason is to represent something like this (translation here):

>>> val = u'???????????? ? ?????????????'
>>> val
u'\u041e\u0437\u043d\u0430\u043a\u043e\u043c\u044c\u0442\u0435\u0441\u044c \u0441 \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u0430\u0446\u0438\u0435\u0439'
>>> print val
???????????? ? ?????????????

For the most part, Unicode and non-Unicode strings are interoperable on Python 2.

There are other symbols you will see, such as the "raw" symbol r for telling a string not to interpret backslashes. This is extremely useful for writing regular expressions.

>>> 'foo\"'
'foo"'
>>> r'foo\"'
'foo\\"'

Unicode and non-Unicode strings can be equal on Python 2:

>>> bird1 = unicode('unladen swallow')
>>> bird2 = 'unladen swallow'
>>> bird1 == bird2
True

but not on Python 3:

>>> x = u'asdf' # Python 3
>>> y = b'asdf' # b indicates bytestring
>>> x == y
False

because if you are using any static member or static variable in class it will load at class loading time.

In my case error is because i have put ">>" twice

mongodump --db=$DB_NAME --collection=$col --out=$BACKUP_LOCATION/$DB_NAME-$BACKUP_DATE >> >> $LOG_PATH

i just correct it as

mongodump --db=$DB_NAME --collection=$col --out=$BACKUP_LOCATION/$DB_NAME-$BACKUP_DATE >> $LOG_PATH

update-java-alternatives

The java executable is not found with your JAVA_HOME, it only depends on your PATH.

update-java-alternatives is a good way to manage it for the entire system is through:

update-java-alternatives -l

Sample output:

java-7-oracle 1 /usr/lib/jvm/java-7-oracle
java-8-oracle 2 /usr/lib/jvm/java-8-oracle

Choose one of the alternatives:

sudo update-java-alternatives -s java-7-oracle

Like update-alternatives, it works through symlink management. The advantage is that is manages symlinks to all the Java utilities at once: javac, java, javap, etc.

I am yet to see a JAVA_HOME effect on the JDK. So far, I have only seen it used in third-party tools, e.g. Maven.

I prefer RENAME rather than DELETE

All my branches are named in the form of

• Fix/fix-<somedescription> or
• Ftr/ftr-<somedescription> or
• etc.

Using Tower as my git front end, it neatly organizes all the Ftr/, Fix/, Test/ etc. into folders.
Once I am done with a branch, I rename them to Done/...-<description>.

That way they are still there (which can be handy to provide history) and I can always go back knowing what it was (feature, fix, test, etc.)

I prefer:

cin.clear();
fflush(stdin);

There's an example where cin.ignore just doesn't cut it, but I can't think of it at the moment. It was a while ago when I needed to use it (with Mingw).

However, fflush(stdin) is undefined behavior according to the standard. fflush() is only meant for output streams. fflush(stdin) only seems to work as expected on Windows (with GCC and MS compilers at least) as an extension to the C standard.

So, if you use it, your code isn't going to be portable.

See Using fflush(stdin).

Also, see http://ubuntuforums.org/showpost.php?s=9129c7bd6e5c8fd67eb332126b59b54c&p=452568&postcount=1 for an alternative.

You can see if it's really not set. Run the command set | grep TERM.

If not, you can set it like that: export TERM=xterm

For UTF 8 Conversion and Currency Symbol Export Use this:

var tableToExcel = (function() {
  var uri = 'data:application/vnd.ms-excel;base64,'
    , template = '<html xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:x="urn:schemas-microsoft-com:office:excel" xmlns="http://www.w3.org/TR/REC-html40"><head><!--[if gte mso 9]><?xml version="1.0" encoding="UTF-8" standalone="yes"?><x:ExcelWorkbook><x:ExcelWorksheets><x:ExcelWorksheet><x:Name>{worksheet}</x:Name><x:WorksheetOptions><x:DisplayGridlines/></x:WorksheetOptions></x:ExcelWorksheet></x:ExcelWorksheets></x:ExcelWorkbook></xml><![endif]--></head><body><table>{table}</table></body></html>'
    , base64 = function(s) { return window.btoa(unescape(encodeURIComponent(s))) }
    , format = function(s, c) { return s.replace(/{(\w+)}/g, function(m, p) { return c[p]; }) }
  return function(table, name) {
      if (!table.nodeType) table = document.getElementById(table)
      var ctx = { worksheet: name || 'Worksheet', table: table.innerHTML }
    window.location.href = uri + base64(format(template, ctx))
  }
})()

It seems your hesitation is in creating your own component and then dispatching in the render method? Well you can avoid both by just using the render method of the <Route> component. No need to create a <AuthenticatedRoute> component unless you really want to. It can be as simple as below. Note the {...routeProps} spread making sure you continue to send the properties of the <Route> component down to the child component (<MyComponent> in this case).

<Route path='/someprivatepath' render={routeProps => {

   if (!this.props.isLoggedIn) {
      this.props.redirectToLogin()
      return null
    }
    return <MyComponent {...routeProps} anotherProp={somevalue} />

} />

See the React Router V4 render documentation

If you did want to create a dedicated component, then it looks like you are on the right track. Since React Router V4 is purely declarative routing (it says so right in the description) I do not think you will get away with putting your redirect code outside of the normal component lifecycle. Looking at the code for React Router itself, they perform the redirect in either componentWillMount or componentDidMount depending on whether or not it is server side rendering. Here is the code below, which is pretty simple and might help you feel more comfortable with where to put your redirect logic.

import React, { PropTypes } from 'react'

/**
 * The public API for updating the location programatically
 * with a component.
 */
class Redirect extends React.Component {
  static propTypes = {
    push: PropTypes.bool,
    from: PropTypes.string,
    to: PropTypes.oneOfType([
      PropTypes.string,
      PropTypes.object
    ])
  }

  static defaultProps = {
    push: false
  }

  static contextTypes = {
    router: PropTypes.shape({
      history: PropTypes.shape({
        push: PropTypes.func.isRequired,
        replace: PropTypes.func.isRequired
      }).isRequired,
      staticContext: PropTypes.object
    }).isRequired
  }

  isStatic() {
    return this.context.router && this.context.router.staticContext
  }

  componentWillMount() {
    if (this.isStatic())
      this.perform()
  }

  componentDidMount() {
    if (!this.isStatic())
      this.perform()
  }

  perform() {
    const { history } = this.context.router
    const { push, to } = this.props

    if (push) {
      history.push(to)
    } else {
      history.replace(to)
    }
  }

  render() {
    return null
  }
}

export default Redirect

Try to upgrading openssl modules

I solved it by doing that

sudo apt install openssl

I was about to post the head/tail trick, but actually I'd probably just fire up emacs. ;-)

1. esc-x goto-line ret 16224
2. mark (ctrl-space)
3. esc-x goto-line ret 16482
4. esc-w

open the new output file, ctl-y save

Let's me see what's happening.

DSO here means Dynamic Shared Object; since the error message says it's missing from the command line, I guess you have to add it to the command line.

That is, try adding -lpthread to your command line.

add attribute type="button" to the button on who's click you see the error, it worked for me.

Use regex and now you have two problems. I would split the thing on dots ("."), then make sure that each part is either a wildcard or set of digits (regex is perfect now). If the thing is valid, you just return correct chunk of the split.

The rownumber functionality can't be mimicked. You might get the results you expect, but you'll most likely get disappointed at some stage. Here's what mysql documentation says:

For other statements, such as SELECT, you might get the results you expect, but this is not guaranteed. In the following statement, you might think that MySQL will evaluate @a first and then do an assignment second: SELECT @a, @a:=@a+1, ...; However, the order of evaluation for expressions involving user variables is undefined.

Regards, Georgi.

What is it exactly?

An FCM Token, or much commonly known as a registrationToken like in google-cloud-messaging. As described in the GCM FCM docs:

An ID issued by the GCM connection servers to the client app that allows it to receive messages. Note that registration tokens must be kept secret.

How can I get that token?

Update: The token can still be retrieved by calling getToken(), however, as per FCM's latest version, the FirebaseInstanceIdService.onTokenRefresh() has been replaced with FirebaseMessagingService.onNewToken() -- which in my experience functions the same way as onTokenRefresh() did.

Old answer:

As per the FCM docs:

On initial startup of your app, the FCM SDK generates a registration token for the client app instance. If you want to target single devices or create device groups, you'll need to access this token.

You can access the token's value by extending FirebaseInstanceIdService. Make sure you have added the service to your manifest, then call getToken in the context of onTokenRefresh, and log the value as shown:

@Override
public void onTokenRefresh() {
    // Get updated InstanceID token.
    String refreshedToken = FirebaseInstanceId.getInstance().getToken();
    Log.d(TAG, "Refreshed token: " + refreshedToken);

    // TODO: Implement this method to send any registration to your app's servers.
    sendRegistrationToServer(refreshedToken);
}

The onTokenRefreshcallback fires whenever a new token is generated, so calling getToken in its context ensures that you are accessing a current, available registration token. FirebaseInstanceID.getToken() returns null if the token has not yet been generated.

After you've obtained the token, you can send it to your app server and store it using your preferred method. See the Instance ID API reference for full detail on the API.

Adding to what @Hitesh-sahu said you need all the VC++ redistribution packages for it to turn green. I referred to this thread from wampserver forum. You can install this little tool (check_vcredist) from the tools section here which will check if all the needed dependencies are installed (see attached image) and it will also provide links to missing ones. If you are using x64 version of Windows like I do and your wampserver does not turn green even after installing all the packages then uninstall and do a fresh installation again. Hope it helps.

Better option is to use :

{{(100*score/questionCounter) || 0 | number:0}}

It sets default value of equation to 0 in the case when values are not initialized.

"Using HTML5/Canvas/JavaScript to take screenshots" answers your problem.

You can use JavaScript/Canvas to do the job but it is still experimental.

javac HelloWorld.java -classpath ./javax.jar , assuming javax is in current folder, and compile target is "HelloWorld.java", and you can compile without a main method

try out this if you want to assign value to object and it is showing this error in angular..

crate object in construtor

this.modelObj = new Model(); //<---------- after declaring object above

Just for documentation, sometimes you need to run the script as sudo:

sudo Rscript path/to/your/file.R

We have to dynamically set the attribute target="_blank" and it will open it in new tab. document.getElementsByTagName("a")[0].setAttribute('target', '_blank')

document.getElementsByTagName("a")[0].click()

If you want to open in new window, get the href link and use window.open

var link = document.getElementsByTagName("a")[0].getAttribute("href");

window.open(url, "","height=500,width=500");

Don't provide the second parameter as _blank in the above.

I will add an option to VitalyB's answer:

Option 3

Via npm. If you run your commands via npm, then you could add this setup to your package.json (check out also the webpack.config.js there too). For developing run npm start, no need to copy index.html in this case because the web server will be run from the source files directory, and the bundle.js will be available from the same place (the bundle.js will live in memory only but will available as if it was located together with index.html). For production run npm run build and a dist folder will contain your bundle.js and index.html gets copied with good old cp-command, as you can see below:

"scripts": {
    "test": "NODE_ENV=test karma start",
    "start": "node node_modules/.bin/webpack-dev-server --content-base app",
    "build": "NODE_ENV=production node node_modules/.bin/webpack && cp app/index.html dist/index.html"
  }

Update: Option 4

There is a copy-webpack-plugin, as described in this Stackoverflow answer

But generally, except for the very "first" file (like index.html) and larger assets (like large images or video), include the css, html, images and so on directly in your app via require and webpack will include it for you (well, after you set it up correctly with loaders and possibly plugins).

Contruct your url via click event handler:

string strUrl = "/some/url/path" + myvar;

Then:

ScriptManager.RegisterStartupScript(Page, Page.GetType(), "popup", "window.open('" + strUrl + "','_blank')", true);

WPF4

<DataGrid AutoGenerateColumns="True" Grid.Column="0" Grid.Row="0"
      ScrollViewer.CanContentScroll="True" 
      ScrollViewer.VerticalScrollBarVisibility="Auto"
      ScrollViewer.HorizontalScrollBarVisibility="Auto">
</DataGrid>

with : <ColumnDefinition Width="350" /> & <RowDefinition Height="300" /> works fine.

Scrollbars don't show with <ColumnDefinition Width="Auto" /> & <RowDefinition Height="300" />.

Also works fine with: <ColumnDefinition Width="*" /> & <RowDefinition Height="300" /> in the case where this is nested within an outer <Grid>.

Try this one -

CREATE PROC [dbo].[getVoucherNo]
AS BEGIN

     DECLARE 
            @Prefix VARCHAR(10) = 'J'
          , @startFrom INT = 1
          , @maxCode VARCHAR(100)
          , @sCode INT

     IF EXISTS(
          SELECT 1 
          FROM dbo.Journal_Entry
     ) BEGIN

          SELECT @maxCode = CAST(MAX(CAST(SUBSTRING(Voucher_No,LEN(@startFrom)+1,ABS(LEN(Voucher_No)- LEN(@Prefix))) AS INT)) AS varchar(100)) 
          FROM dbo.Journal_Entry;

          SELECT @Prefix + 
               CAST(LEN(LEFT(@maxCode, 10) + 1) AS VARCHAR(10)) + -- !!! possible problem here
               CAST(@maxCode AS VARCHAR(100))

     END
     ELSE BEGIN

          SELECT (@Prefix + CAST(@startFrom AS VARCHAR)) 

     END

END

Just create a new DWORD(32) under the Fusion key. Name the DWORD to EnableLog, and set it to value 1. Then restart IIS, refresh the page giving errors, and the assembly bind logs will show in the error message.

getClass() method is defined in Object class with the following signature:

public final Class getClass()

Since it is not defined as static, you can not call it within a static code block. See these answers for more information: Q1, Q2, Q3.

If you're in a static context, then you have to use the class literal expression to get the Class, so you basically have to do like:

Foo.class

This type of expression is called Class Literals and they are explained in Java Language Specification Book as follows:

A class literal is an expression consisting of the name of a class, interface, array, or primitive type followed by a `.' and the token class. The type of a class literal is Class. It evaluates to the Class object for the named type (or for void) as defined by the defining class loader of the class of the current instance.

You can also find information about this subject on API documentation for Class.

just write the css attributes in a proper manner i.e:

font-size:35px;

There is a free GUI Tool ServiceSecurityEditor

Which allows you to edit Windows Service permissions. I have successfully used it to give a non-Administrator user the rights to start and stop a service.

I had used "sc sdset" before I knew about this tool.

ServiceSecurityEditor feels like cheating, it's that easy :)

If you want to test if an object is strictly or extends a Hash, use:

value = {}
value.is_a?(Hash) || value.is_a?(Array) #=> true

But to make value of Ruby's duck typing, you could do something like:

value = {}
value.respond_to?(:[]) #=> true

It is useful when you only want to access some value using the value[:key] syntax.

Please note that Array.new["key"] will raise a TypeError.

angualr uses the lighter version of jquery called as jqlite which means it doesnt have all the features of jQuery. here is a reference in angularjs docs about what you can use from jquery. Angular Element docs

In your case you need to find a div with ID or class name. for class name you can use

var elems =$element.find('div') //returns all the div's in the $elements
    angular.forEach(elems,function(v,k)){
    if(angular.element(v).hasClass('class-name')){
     console.log(angular.element(v));
}}

or you can use much simpler way by query selector

angular.element(document.querySelector('#id'))

angular.element(elem.querySelector('.classname'))

it is not as flexible as jQuery but what