I needed a solution to convert columns to rows in Microsoft SQL Server, without knowing the colum names (used in trigger) and without dynamic sql (dynamic sql is too slow for use in a trigger).

I finally found this solution, which works fine:

SELECT
    insRowTbl.PK,
    insRowTbl.Username,
    attr.insRow.value('local-name(.)', 'nvarchar(128)') as FieldName,
    attr.insRow.value('.', 'nvarchar(max)') as FieldValue 
FROM ( Select      
          i.ID as PK,
          i.LastModifiedBy as Username,
          convert(xml, (select i.* for xml raw)) as insRowCol
       FROM inserted as i
     ) as insRowTbl
CROSS APPLY insRowTbl.insRowCol.nodes('/row/@*') as attr(insRow)

As you can see, I convert the row into XML (Subquery select i,* for xml raw, this converts all columns into one xml column)

Then I CROSS APPLY a function to each XML attribute of this column, so that I get one row per attribute.

Overall, this converts columns into rows, without knowing the column names and without using dynamic sql. It is fast enough for my purpose.

(Edit: I just saw Roman Pekar answer above, who is doing the same. I used the dynamic sql trigger with cursors first, which was 10 to 100 times slower than this solution, but maybe it was caused by the cursor, not by the dynamic sql. Anyway, this solution is very simple an universal, so its definitively an option).

I am leaving this comment at this place, because I want to reference this explanation in my post about the full audit trigger, that you can find here: https://stackoverflow.com/a/43800286/4160788

I would do this slightly different by applying both the UNPIVOT and the PIVOT functions to get the final result. The unpivot takes the values from both the totalcount and totalamount columns and places them into one column with multiple rows. You can then pivot on those results.:

select chardate,
  Australia_totalcount as [Australia # of Transactions], 
  Australia_totalamount as [Australia Total $ Amount],
  Austria_totalcount as [Austria # of Transactions], 
  Austria_totalamount as [Austria Total $ Amount]
from
(
  select 
    numericmonth, 
    chardate,
    country +'_'+col col, 
    value
  from
  (
    select numericmonth, 
      country, 
      chardate,
      cast(totalcount as numeric(10, 2)) totalcount,
      cast(totalamount as numeric(10, 2)) totalamount
    from mytransactions
  ) src
  unpivot
  (
    value
    for col in (totalcount, totalamount)
  ) unpiv
) s
pivot
(
  sum(value)
  for col in (Australia_totalcount, Australia_totalamount,
              Austria_totalcount, Austria_totalamount)
) piv
order by numericmonth

See SQL Fiddle with Demo.

If you have an unknown number of country names, then you can use dynamic SQL:

DECLARE @cols AS NVARCHAR(MAX),
    @colsName AS NVARCHAR(MAX),
    @query  AS NVARCHAR(MAX)

select @cols = STUFF((SELECT distinct ',' + QUOTENAME(country +'_'+c.col) 
                      from mytransactions
                      cross apply 
                      (
                        select 'TotalCount' col
                        union all
                        select 'TotalAmount'
                      ) c
            FOR XML PATH(''), TYPE
            ).value('.', 'NVARCHAR(MAX)') 
        ,1,1,'')

select @colsName 
    = STUFF((SELECT distinct ', ' + QUOTENAME(country +'_'+c.col) 
               +' as ['
               + country + case when c.col = 'TotalCount' then ' # of Transactions]' else 'Total $ Amount]' end
             from mytransactions
             cross apply 
             (
                select 'TotalCount' col
                union all
                select 'TotalAmount'
             ) c
            FOR XML PATH(''), TYPE
            ).value('.', 'NVARCHAR(MAX)') 
        ,1,1,'')

set @query 
  = 'SELECT chardate, ' + @colsName + ' 
     from 
     (
      select 
        numericmonth, 
        chardate,
        country +''_''+col col, 
        value
      from
      (
        select numericmonth, 
          country, 
          chardate,
          cast(totalcount as numeric(10, 2)) totalcount,
          cast(totalamount as numeric(10, 2)) totalamount
        from mytransactions
      ) src
      unpivot
      (
        value
        for col in (totalcount, totalamount)
      ) unpiv
     ) s
     pivot 
     (
       sum(value)
       for col in (' + @cols + ')
     ) p 
     order by numericmonth'

execute(@query)

See SQL Fiddle with Demo

Both give the result:

|             CHARDATE | AUSTRALIA # OF TRANSACTIONS | AUSTRALIA TOTAL $ AMOUNT | AUSTRIA # OF TRANSACTIONS | AUSTRIA TOTAL $ AMOUNT |
--------------------------------------------------------------------------------------------------------------------------------------
| Jul-12               |                          36 |                   699.96 |                        11 |                 257.82 |
| Aug-12               |                          44 |                  1368.71 |                         5 |                 126.55 |
| Sep-12               |                          52 |                  1161.33 |                         7 |                  92.11 |
| Oct-12               |                          50 |                  1099.84 |                        12 |                 103.56 |
| Nov-12               |                          38 |                  1078.94 |                        21 |                 377.68 |
| Dec-12               |                          63 |                  1668.23 |                         3 |                  14.35 |

Another way around using cross join would be to specify column names inside cross join

select name, Subject, Marks 
from studentmarks
Cross Join (
values (Maths,'Maths'),(Science,'Science'),(English,'English')
) un(Marks, Subject)
where marks is not null;

If you want to use protocol oriented programming (Swift 3)

1) Create a Dateable protocol

protocol Dateable {
    func userFriendlyFullDate() -> String
    func userFriendlyHours() -> String
}

2) Extend Date class and implement the Dateable protocol

extension Date: Dateable {
    var  formatter: DateFormatter { return DateFormatter() }

    /** Return a user friendly hour */
    func userFriendlyFullDate() -> String {
        // Customize a date formatter
        formatter.dateFormat = "yyyy-MM-dd'T'HH:mm:ss.SSSZ"
        formatter.timeZone = TimeZone(abbreviation: "UTC")

        return formatter.string(from: self)
    }

    /** Return a user friendly hour */
    func userFriendlyHours() -> String {
        // Customize a date formatter
        formatter.dateFormat = "HH:mm"
        formatter.timeZone = TimeZone(abbreviation: "UTC")

        return formatter.string(from: self)
    }
 
    // You can add many cases you need like string to date formatter

}

3) Use it

let currentDate: Date = Date()
let stringDate: String = currentDate.userFriendlyHours()
// Print 15:16

# dump into file
pg_dump myDB > /tmp/myDB.sql

# create an empty db with the right encoding (on older versions the escaped single quotes are needed!)
psql -c 'CREATE DATABASE "tempDB" WITH OWNER = "myself" LC_COLLATE = '\''de_DE.utf8'\'' TEMPLATE template0;'

# import in the new DB
psql -d tempDB -1 -f /tmp/myDB.sql

# rename databases
psql -c 'ALTER DATABASE "myDB" RENAME TO "myDB_wrong_encoding";' 
psql -c 'ALTER DATABASE "tempDB" RENAME TO "myDB";'

# see the result
psql myDB -c "SHOW LC_COLLATE"   

To resolve the issues make sure you are using build tools version "23.0.0 rc2" with the following tools build gradle dependency:

classpath 'com.android.tools.build:gradle:1.3.0-beta2'

Personally, I would go with one of the JavaScript / jQuery solutions. Not only does this keep your HTML semantic (i.e., an image is shown as an img element with it's usual src image defined in the markup), but if you use a JS / jQuery solution then you will also be able to use the JS / jQuery to preload your hover image.

Preloading the hover image will mean there is likely to be no download delay when the user hovers over the original image, resulting in your site behaving much more professionally.

It does mean you have a dependency on JS, but the tiny minority that don't have JS enabled are probably not going to be too fussed - and everyone else will get a better experience... and your code will be good, too!

In my case, the project was a Maven, I had JDK 1.8.0, Eclipse : Kepler, and I installed the M2Eclipse plugin from Eclipse Marketplace.

Changing compiler level didn't help.

Finally I used latest version of eclipse (Luna), compiler level 1.7, same M2Eclipse plugin and problem was solved.

This worked for me, seems to work as global :

Dim savePos(2 To 8) As Integer

And can call it from every sub, for example getting first element :

MsgBox (savePos(2))

If you have copied & Pasted files from an old backup folder to new then its simple. Just copy the old ibdata1 into your new one. You can find it from \xampp\mysql\data

The jsonify() function in flask returns a flask.Response() object that already has the appropriate content-type header 'application/json' for use with json responses. Whereas, the json.dumps() method will just return an encoded string, which would require manually adding the MIME type header.

See more about the jsonify() function here for full reference.

Edit: Also, I've noticed that jsonify() handles kwargs or dictionaries, while json.dumps() additionally supports lists and others.

Initializing the Canvas like below works for TypeScript/Angular solutions.

const canvas = <HTMLCanvasElement> document.getElementById("htmlElemId"); 

const context = canvas.getContext("2d"); 

I just wrote a blog post on saving an object's data to Binary, XML, or Json. You are correct that you must decorate your classes with the [Serializable] attribute, but only if you are using Binary serialization. You may prefer to use XML or Json serialization. Here are the functions to do it in the various formats. See my blog post for more details.

Binary

/// <summary>
/// Writes the given object instance to a binary file.
/// <para>Object type (and all child types) must be decorated with the [Serializable] attribute.</para>
/// <para>To prevent a variable from being serialized, decorate it with the [NonSerialized] attribute; cannot be applied to properties.</para>
/// </summary>
/// <typeparam name="T">The type of object being written to the binary file.</typeparam>
/// <param name="filePath">The file path to write the object instance to.</param>
/// <param name="objectToWrite">The object instance to write to the binary file.</param>
/// <param name="append">If false the file will be overwritten if it already exists. If true the contents will be appended to the file.</param>
public static void WriteToBinaryFile<T>(string filePath, T objectToWrite, bool append = false)
{
    using (Stream stream = File.Open(filePath, append ? FileMode.Append : FileMode.Create))
    {
        var binaryFormatter = new System.Runtime.Serialization.Formatters.Binary.BinaryFormatter();
        binaryFormatter.Serialize(stream, objectToWrite);
    }
}

/// <summary>
/// Reads an object instance from a binary file.
/// </summary>
/// <typeparam name="T">The type of object to read from the binary file.</typeparam>
/// <param name="filePath">The file path to read the object instance from.</param>
/// <returns>Returns a new instance of the object read from the binary file.</returns>
public static T ReadFromBinaryFile<T>(string filePath)
{
    using (Stream stream = File.Open(filePath, FileMode.Open))
    {
        var binaryFormatter = new System.Runtime.Serialization.Formatters.Binary.BinaryFormatter();
        return (T)binaryFormatter.Deserialize(stream);
    }
}

XML

Requires the System.Xml assembly to be included in your project.

/// <summary>
/// Writes the given object instance to an XML file.
/// <para>Only Public properties and variables will be written to the file. These can be any type though, even other classes.</para>
/// <para>If there are public properties/variables that you do not want written to the file, decorate them with the [XmlIgnore] attribute.</para>
/// <para>Object type must have a parameterless constructor.</para>
/// </summary>
/// <typeparam name="T">The type of object being written to the file.</typeparam>
/// <param name="filePath">The file path to write the object instance to.</param>
/// <param name="objectToWrite">The object instance to write to the file.</param>
/// <param name="append">If false the file will be overwritten if it already exists. If true the contents will be appended to the file.</param>
public static void WriteToXmlFile<T>(string filePath, T objectToWrite, bool append = false) where T : new()
{
    TextWriter writer = null;
    try
    {
        var serializer = new XmlSerializer(typeof(T));
        writer = new StreamWriter(filePath, append);
        serializer.Serialize(writer, objectToWrite);
    }
    finally
    {
        if (writer != null)
            writer.Close();
    }
}

/// <summary>
/// Reads an object instance from an XML file.
/// <para>Object type must have a parameterless constructor.</para>
/// </summary>
/// <typeparam name="T">The type of object to read from the file.</typeparam>
/// <param name="filePath">The file path to read the object instance from.</param>
/// <returns>Returns a new instance of the object read from the XML file.</returns>
public static T ReadFromXmlFile<T>(string filePath) where T : new()
{
    TextReader reader = null;
    try
    {
        var serializer = new XmlSerializer(typeof(T));
        reader = new StreamReader(filePath);
        return (T)serializer.Deserialize(reader);
    }
    finally
    {
        if (reader != null)
            reader.Close();
    }
}

Json

You must include a reference to Newtonsoft.Json assembly, which can be obtained from the Json.NET NuGet Package.

/// <summary>
/// Writes the given object instance to a Json file.
/// <para>Object type must have a parameterless constructor.</para>
/// <para>Only Public properties and variables will be written to the file. These can be any type though, even other classes.</para>
/// <para>If there are public properties/variables that you do not want written to the file, decorate them with the [JsonIgnore] attribute.</para>
/// </summary>
/// <typeparam name="T">The type of object being written to the file.</typeparam>
/// <param name="filePath">The file path to write the object instance to.</param>
/// <param name="objectToWrite">The object instance to write to the file.</param>
/// <param name="append">If false the file will be overwritten if it already exists. If true the contents will be appended to the file.</param>
public static void WriteToJsonFile<T>(string filePath, T objectToWrite, bool append = false) where T : new()
{
    TextWriter writer = null;
    try
    {
        var contentsToWriteToFile = JsonConvert.SerializeObject(objectToWrite);
        writer = new StreamWriter(filePath, append);
        writer.Write(contentsToWriteToFile);
    }
    finally
    {
        if (writer != null)
            writer.Close();
    }
}

/// <summary>
/// Reads an object instance from an Json file.
/// <para>Object type must have a parameterless constructor.</para>
/// </summary>
/// <typeparam name="T">The type of object to read from the file.</typeparam>
/// <param name="filePath">The file path to read the object instance from.</param>
/// <returns>Returns a new instance of the object read from the Json file.</returns>
public static T ReadFromJsonFile<T>(string filePath) where T : new()
{
    TextReader reader = null;
    try
    {
        reader = new StreamReader(filePath);
        var fileContents = reader.ReadToEnd();
        return JsonConvert.DeserializeObject<T>(fileContents);
    }
    finally
    {
        if (reader != null)
            reader.Close();
    }
}

Example

// Write the contents of the variable someClass to a file.
WriteToBinaryFile<SomeClass>("C:\someClass.txt", object1);

// Read the file contents back into a variable.
SomeClass object1= ReadFromBinaryFile<SomeClass>("C:\someClass.txt");

[TestMethod]
public void BraceEscapingTest()
{
    var result = String.Format("Foo {{0}}", "1,2,3");  //"1,2,3" is not parsed
    Assert.AreEqual("Foo {0}", result);

    result = String.Format("Foo {{{0}}}", "1,2,3");
    Assert.AreEqual("Foo {1,2,3}", result);

    result = String.Format("Foo {0} {{bar}}", "1,2,3");
    Assert.AreEqual("Foo 1,2,3 {bar}", result);

    result = String.Format("{{{0:N}}}", 24); //24 is not parsed, see @Guru Kara answer
    Assert.AreEqual("{N}", result);

    result = String.Format("{0}{1:N}{2}", "{", 24, "}");
    Assert.AreEqual("{24.00}", result);

    result = String.Format("{{{0}}}", 24.ToString("N"));
    Assert.AreEqual("{24.00}", result);
}

On Debian WSL (Windows Subsystem for Linux) I had to use:

sudo chmod -R 775 /var/log/nginx

Go to the tsconfig.json file. write this code under angularCompilerOption:

 "angularCompilerOptions": {
     "fullTemplateTypeCheck": true,
     "strictInjectionParameters": true,
     **"enableIvy": false**
 }

What happens if you try the following?

Instead of your double REPLACE statement, try:

REPLACE(IFNULL(ts.description, ''),'\r\n', '\n')

Also, I think it should be LINES TERMINATED BY '\r\n' instead of just '\n'

dicts=[
{"name": "Tom", "age": 10},
{"name": "Mark", "age": 5},
{"name": "Pam", "age": 7}
]

from collections import defaultdict
dicts_by_name=defaultdict(list)
for d in dicts:
    dicts_by_name[d['name']]=d

print dicts_by_name['Tom']

#output
#>>>
#{'age': 10, 'name': 'Tom'}

If you want culture specific, you might want to try this:

(19950000.0).ToString("N",new CultureInfo("en-US")) = 19,950,000.00

(19950000.0).ToString("N",new CultureInfo("is-IS")) = 19.950.000,00

Note: Some cultures use , to mean decimal rather than . so be careful.

Actually, Eclipse support for Java 8 is available: see here and here.

• For Kepler, it is available as a "feature patch" against SR2 (i.e. Eclipse 4.3.2)
• For Luna (Eclipse 4.4) it will be in the standard release. (release schedule)

From Python's documentation:

import signal
import time

def handler(signum, frame):
    print 'Here you go'

signal.signal(signal.SIGINT, handler)

time.sleep(10) # Press Ctrl+c here

Check android.os.Build.VERSION, which is a static class that holds various pieces of information about the Android OS a system is running.

If you care about all versions possible (back to original Android version), as in minSdkVersion is set to anything less than 4, then you will have to use android.os.Build.VERSION.SDK, which is a String that can be converted to the integer of the release.

If you are on at least API version 4 (Android 1.6 Donut), the current suggested way of getting the API level would be to check the value of android.os.Build.VERSION.SDK_INT, which is an integer.

In either case, the integer you get maps to an enum value from all those defined in android.os.Build.VERSION_CODES:

SDK_INT value        Build.VERSION_CODES        Human Version Name       
    1                  BASE                      Android 1.0 (no codename)
    2                  BASE_1_1                  Android 1.1 Petit Four
    3                  CUPCAKE                   Android 1.5 Cupcake
    4                  DONUT                     Android 1.6 Donut
    5                  ECLAIR                    Android 2.0 Eclair
    6                  ECLAIR_0_1                Android 2.0.1 Eclair                  
    7                  ECLAIR_MR1                Android 2.1 Eclair
    8                  FROYO                     Android 2.2 Froyo
    9                  GINGERBREAD               Android 2.3 Gingerbread
   10                  GINGERBREAD_MR1           Android 2.3.3 Gingerbread
   11                  HONEYCOMB                 Android 3.0 Honeycomb
   12                  HONEYCOMB_MR1             Android 3.1 Honeycomb
   13                  HONEYCOMB_MR2             Android 3.2 Honeycomb
   14                  ICE_CREAM_SANDWICH        Android 4.0 Ice Cream Sandwich
   15                  ICE_CREAM_SANDWICH_MR1    Android 4.0.3 Ice Cream Sandwich
   16                  JELLY_BEAN                Android 4.1 Jellybean
   17                  JELLY_BEAN_MR1            Android 4.2 Jellybean
   18                  JELLY_BEAN_MR2            Android 4.3 Jellybean
   19                  KITKAT                    Android 4.4 KitKat
   20                  KITKAT_WATCH              Android 4.4 KitKat Watch
   21                  LOLLIPOP                  Android 5.0 Lollipop
   22                  LOLLIPOP_MR1              Android 5.1 Lollipop
   23                  M                         Android 6.0 Marshmallow
   24                  N                         Android 7.0 Nougat
   25                  N_MR1                     Android 7.1.1 Nougat
   26                  O                         Android 8.0 Oreo
   27                  O_MR1                     Android 8 Oreo MR1
   28                  P                         Android 9 Pie
   29                  Q                         Android 10
  10000                CUR_DEVELOPMENT           Current Development Version

Note that some time between Android N and O, the Android SDK began aliasing CUR_DEVELOPMENT and the developer preview of the next major Android version to be the same SDK_INT value (10000).

Find a better use for myself: I usually test if a variant is empty, and all of the above methods fail with the test. I found that you can actually set a variant to empty:

Dim aTable As Variant
If IsEmpty(aTable) Then
    'This is true
End If
ReDim aTable(2)
If IsEmpty(aTable) Then
    'This is False
End If
ReDim aTable(2)
aTable = Empty
If IsEmpty(aTable) Then
    'This is true
End If
ReDim aTable(2)
Erase aTable
If IsEmpty(aTable) Then
    'This is False
End If

this way i get the behaviour i want

Keep 2 stacks, let's call them inbox and outbox.

Enqueue:

• Push the new element onto inbox

Dequeue:

• If outbox is empty, refill it by popping each element from inbox and pushing it onto outbox

• Pop and return the top element from outbox

Using this method, each element will be in each stack exactly once - meaning each element will be pushed twice and popped twice, giving amortized constant time operations.

Here's an implementation in Java:

public class Queue<E>
{

    private Stack<E> inbox = new Stack<E>();
    private Stack<E> outbox = new Stack<E>();

    public void queue(E item) {
        inbox.push(item);
    }

    public E dequeue() {
        if (outbox.isEmpty()) {
            while (!inbox.isEmpty()) {
               outbox.push(inbox.pop());
            }
        }
        return outbox.pop();
    }

}

CSS

#images{
    text-align:center;
    margin:50px auto; 
}
#images a{
    margin:0px 20px;
    display:inline-block;
    text-decoration:none;
    color:black;
 }

HTML

<div id="images">
    <a href="http://xyz.com/hello">
        <img src="hello.png" width="100px" height="100px">
        <div class="caption">Caption 1</div>
    </a>
    <a href="http://xyz.com/hi">
        <img src="hi.png" width="100px" height="100px"> 
        <div class="caption">Caption 2</div>
    </a>
</div>?

?A fiddle is here.

I accidentally named the js file .min instead of .min.js ...

GROUP BY DATE_FORMAT(summaryDateTime,'%Y-%m')

$date_to_be-added="2018-04-11 10:04:46";
$added_date=date("Y-m-d H:i:s",strtotime('+24 hours', strtotime($date_to_be)));

A combination of date() and strtotime() functions will do the trick.

Use .parentElement and you can't go wrong as long as you aren't using document fragments.

If you use document fragments, then you need .parentNode:

let div = document.createDocumentFragment().appendChild(document.createElement('div'));
div.parentElement // null
div.parentNode // document fragment

Also:

let div = document.getElementById('t').content.firstChild_x000D_
div.parentElement // null_x000D_
div.parentNode // document fragment

<template id="t"><div></div></template>

Apparently the <html>'s .parentNode links to the Document. This should be considered a decision phail as documents aren't nodes since nodes are defined to be containable by documents and documents can't be contained by documents.

A few line of java code.

public static void main(String args[]) throws Exception{
       String str="test string";
       MessageDigest messageDigest=MessageDigest.getInstance("MD5");
       messageDigest.update(str.getBytes(),0,str.length());
       System.out.println("MD5: "+new BigInteger(1,messageDigest.digest()).toString(16));
}

To remove new line chars use this:

yourString.replace(/\r?\n?/g, '')

Then you can trim your string to remove leading and trailing spaces:

yourString.trim()

finally, I found a solution

 Window window =   ((Node)(event.getSource())).getScene().getWindow(); 
            if (window instanceof Stage){
                ((Stage) window).close();
            }

def square(a):
    squares = []
    for i in a:
        squares.append(i**2)
    return squares

It also works if you change the content type

    <form method="POST"
    action="http://localhost:8080/cms/customer/create_customer"
    id="frmRegister" name="frmRegister"
    enctype="application/x-www-form-urlencoded">

In the controller also add the header value as follows:

    @RequestMapping(value = "/create_customer", method = RequestMethod.POST, headers = "Content-Type=application/x-www-form-urlencoded")

Let's try this

public static void main(String args[]) {

    Calendar cal = GregorianCalendar.getInstance();
    Date today = cal.getTime();
    DateFormat df7 = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");

    try {           
        String str7 = df7.format(today);
        System.out.println("String in yyyy-MM-dd format is: " + str7);          
    } catch (Exception ex) {
      ex.printStackTrace();
    }
}

Or a utility function

public String convertDateToString(Date date, String format) {
    String dateStr = null;
    DateFormat df = new SimpleDateFormat(format);

    try {
        dateStr = df.format(date);
    } catch (Exception ex) {
        ex.printStackTrace();
    }
    return dateStr;
}

From Convert Date to String in Java

Below is a simple function implementation which splits a DataFrame to chunks and a few code examples:

import pandas as pd

def split_dataframe_to_chunks(df, n):
    df_len = len(df)
    count = 0
    dfs = []

    while True:
        if count > df_len-1:
            break

        start = count
        count += n
        #print("%s : %s" % (start, count))
        dfs.append(df.iloc[start : count])
    return dfs


# Create a DataFrame with 10 rows
df = pd.DataFrame([i for i in range(10)])

# Split the DataFrame to chunks of maximum size 2
split_df_to_chunks_of_2 = split_dataframe_to_chunks(df, 2)
print([len(i) for i in split_df_to_chunks_of_2])
# prints: [2, 2, 2, 2, 2]

# Split the DataFrame to chunks of maximum size 3
split_df_to_chunks_of_3 = split_dataframe_to_chunks(df, 3)
print([len(i) for i in split_df_to_chunks_of_3])
# prints [3, 3, 3, 1]

I stumbled over the following algorithm which seems to be more efficient than Johnson's algorithm (at least for larger graphs). I am however not sure about its performance compared to Tarjan's algorithm.
Additionally, I only checked it out for triangles so far. If interested, please see "Arboricity and Subgraph Listing Algorithms" by Norishige Chiba and Takao Nishizeki (http://dx.doi.org/10.1137/0214017)

Standing on the shoulders of the other poor creatures trodding through this muck, I was able to follow these steps to get back up and running after an upgrade to Yosemite:

Assuming you've used home-brew to install and upgrade Postgres, you can perform the following steps.

1. Stop current Postgres server:

   launchctl unload ~/Library/LaunchAgents/homebrew.mxcl.postgresql.plist

2. Initialize a new 9.4 database:

   initdb /usr/local/var/postgres9.4 -E utf8

3. Install postgres 9.3 (as it was no longer present on my machine):

   brew install homebrew/versions/postgresql93

4. Add directories removed during Yosemite upgrade:

   mkdir -p /usr/local/var/postgres/{pg_tblspc,pg_twophase,pg_stat_tmp}/touch /usr/local/var/postgres/{pg_tblspc,pg_twophase,pg_stat_tmp}/.keep

5. run pg_upgrade:

   pg_upgrade -v -d /usr/local/var/postgres -D /usr/local/var/postgres9.4 -b /usr/local/Cellar/postgresql93/9.3.5/bin/ -B /usr/local/Cellar/postgresql/9.4.0/bin/

6. Move new data into place:

   cd /usr/local/var
   mv postgres postgres9.3
   mv postgres9.4 postgres
   

7. Restart Postgres:

   launchctl load ~/Library/LaunchAgents/homebrew.mxcl.postgresql.plist

8. Check /usr/local/var/postgres/server.log for details and to make sure the new server started properly.

9. Finally, re-install related libraries?

   pip install --upgrade psycopg2
   gem uninstall pg
   gem install pg
   

1. sudo vim /etc/apache2/httpd.conf
2. Insert the following line at the httpd.conf: ServerName localhost
3. Just restart the Apache: sudo /etc/init.d/apache2 restart

<plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-compiler-plugin</artifactId>
            <version>3.3</version>
            <configuration>
                <fork>true</fork>
                <source>1.8</source>
                <target>1.8</target>
            </configuration>
        </plugin> 

I've found a solution for this

Create a custom transparent dialog and inside that dialog open the popup window:

dialog = new Dialog(context, android.R.style.Theme_Translucent_NoTitleBar);
emptyDialog = LayoutInflater.from(context).inflate(R.layout.empty, null);

/* blur background*/
WindowManager.LayoutParams lp = dialog.getWindow().getAttributes();  
lp.dimAmount=0.0f;  
dialog.getWindow().setAttributes(lp);  
dialog.getWindow().addFlags(WindowManager.LayoutParams.FLAG_BLUR_BEHIND); 
dialog.setContentView(emptyDialog);
dialog.setCanceledOnTouchOutside(true);
dialog.setOnShowListener(new OnShowListener()
{
    @Override
    public void onShow(DialogInterface dialogIx)
    {
        mQuickAction.show(emptyDialog); //open the PopupWindow here
    }
});
dialog.show();

xml for the dialog(R.layout.empty):

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_height="match_parent" android:layout_width="match_parent"
     style="@android:style/Theme.Translucent.NoTitleBar" />

now you want to dismiss the dialog when Popup window dismisses. so

mQuickAction.setOnDismissListener(new OnDismissListener()
{
    @Override
    public void onDismiss()
    {
        if(dialog!=null)
        {
            dialog.dismiss(); // dismiss the empty dialog when the PopupWindow closes
            dialog = null;
        }
    }
});

Note: I've used NewQuickAction plugin for creating PopupWindow here. It can also be done on native Popup Windows

Answers talking about "mousewheel" event are refering to a deprecated event. The standard event is simply "wheel". See https://developer.mozilla.org/en-US/docs/Web/Reference/Events/wheel

This is how I finally did it! You can put a layer (full sized) over your body with high z-index and, of course hidden. You will make it visible when the window is open, make it focused on click over parent window (the layer), and finally will disappear it when the opened window is closed or submitted or whatever.

      .layer
  {
        position: fixed;
        opacity: 0.7;
        left: 0px;
        top: 0px;
        width: 100%;
        height: 100%;
        z-index: 999999;
        background-color: #BEBEBE;
        display: none;
        cursor: not-allowed;
  }

and layer in the body:

                <div class="layout" id="layout"></div>

function that opens the popup window:

    var new_window;
    function winOpen(){
        $(".layer").show();
        new_window=window.open(srcurl,'','height=750,width=700,left=300,top=200');
    }

keeping new window focused:

         $(document).ready(function(){
             $(".layout").click(function(e) {
                new_window.focus();
            }
        });

and in the opened window:

    function submit(){
        var doc = window.opener.document,
        doc.getElementById("layer").style.display="none";
         window.close();
    }   

   window.onbeforeunload = function(){
        var doc = window.opener.document;
        doc.getElementById("layout").style.display="none";
   }

I hope it would help :-)

Example: a simple function call wrapper:

def measure_cpu_time(f, *args):
    t_start = time.process_time()
    ret = f(*args)
    t_end = time.process_time()
    return t_end - t_start, ret

Depending on your need you can use one of following method:

• In first line/s of view add "using your.domainName;" (if it is required in specific view only)

• if required in all subsequent views then add "using your.domainName;" in _ViewStart.cshtml. You can find more about this in: Where and how is the _ViewStart.cshtml layout file linked?

• Or add Assembly reference in View web.config as described by others explained in: How do you implement a @using across all Views in Asp.Net MVC 3?

Based on the answer: https://unix.stackexchange.com/a/111627

###############################################################################
# Summary: Returns the value of a variable given it's name as a string.
# Required Positional Argument: 
#   variable_name - The name of the variable to return the value of
# Returns: The value if variable exists; otherwise, empty string ("").
###############################################################################
get_value_of()
{
    variable_name=$1
    variable_value=""
    if set | grep -q "^$variable_name="; then
        eval variable_value="\$$variable_name"
    fi
    echo "$variable_value"
}

test=123
get_value_of test
# 123
test="\$(echo \"something nasty\")"
get_value_of test
# $(echo "something nasty")

In Java, according to the JSSE Reference Guide, there is no default for the keystore, the default for the truststore is "jssecacerts, if it exists. Otherwise, cacerts".

A few applications use ~/.keystore as a default keystore, but this is not without problems (mainly because you might not want all the application run by the user to use that trust store).

I'd suggest using application-specific values that you bundle with your application instead, it would tend to be more applicable in general.

$mysql -u root --host=127.0.0.1 -p

mysql>use mysql

mysql>GRANT ALL ON *.* to root@'%' IDENTIFIED BY 'redhat@123';

mysql>FLUSH PRIVILEGES;

mysql> SELECT host FROM mysql.user WHERE User = 'root';

you can use the below css styles for all browsers except Firefox 30

select {
  background: url(dropdown_arw.png) no-repeat right center;
  appearance: none;
  -moz-appearance: none;
  -webkit-appearance: none;
  width: 90px;
  text-indent: 0.01px;
  text-overflow: "";
}

demo page - http://kvijayanand.in/jquery-plugin/test.html

Updated

here is solution for Firefox 30. little trick for custom select elements in firefox :-moz-any() css pseudo class.

http://blog.kvijayanand.in/customize-select-arrow-css/

My version of reality. Loading a HTML file and streaming to the browser.

@Controller
@RequestMapping("/")
public class UIController {

    @RequestMapping(value="index", method=RequestMethod.GET, produces = "text/html")
    public @ResponseBody String GetBootupFile() throws IOException  {
        Resource resource = new ClassPathResource("MainPage.html");
        String fileContents = FileUtils.readFileToString(resource.getFile());
        return fileContents;
    }
}

@fthiella 's solution is very elegant.

If in future you want show more than user_id you could use joins, and there in one line could be all data you need.

If you want to use AND conditions, and the conditions are in multiple lines in your table, you can use JOINS example:

SELECT `w_name`.`user_id` 
     FROM `wp_usermeta` as `w_name`
     JOIN `wp_usermeta` as `w_year` ON `w_name`.`user_id`=`w_year`.`user_id` 
          AND `w_name`.`meta_key` = 'first_name' 
          AND `w_year`.`meta_key` = 'yearofpassing' 
     JOIN `wp_usermeta` as `w_city` ON `w_name`.`user_id`=`w_city`.user_id 
          AND `w_city`.`meta_key` = 'u_city'
     JOIN `wp_usermeta` as `w_course` ON `w_name`.`user_id`=`w_course`.`user_id` 
          AND `w_course`.`meta_key` = 'us_course'
     WHERE 
         `w_name`.`meta_value` = '$us_name' AND         
         `w_year`.meta_value   = '$us_yearselect' AND 
         `w_city`.`meta_value` = '$us_reg' AND 
         `w_course`.`meta_value` = '$us_course'

Other thing: Recommend to use prepared statements, because mysql_* functions is not SQL injection save, and will be deprecated. If you want to change your code the less as possible, you can use mysqli_ functions: http://php.net/manual/en/book.mysqli.php

Recommendation:

Use indexes in this table. user_id highly recommend to be and index, and recommend to be the meta_key AND meta_value too, for faster run of query.

The explain:

If you use AND you 'connect' the conditions for one line. So if you want AND condition for multiple lines, first you must create one line from multiple lines, like this.

Tests: Table Data:

          PRIMARY                 INDEX
      int       varchar(255)    varchar(255)
       /                \           |
  +---------+---------------+-----------+
  | user_id | meta_key      | meta_value|
  +---------+---------------+-----------+
  | 1       | first_name    | Kovge     |
  +---------+---------------+-----------+
  | 1       | yearofpassing | 2012      |
  +---------+---------------+-----------+
  | 1       | u_city        | GaPa      |
  +---------+---------------+-----------+
  | 1       | us_course     | PHP       |
  +---------+---------------+-----------+

The result of Query with $us_name='Kovge' $us_yearselect='2012' $us_reg='GaPa', $us_course='PHP':

 +---------+
 | user_id |
 +---------+
 | 1       |
 +---------+

So it should works.

You also can set the width of a audio tag by JavaScript:

audio = document.getElementById('audio-id');
audio.style.width = '200px';

when bullet have to hide then use:

li { list-style: none;}

when bullet have to list show, then use:

li { list-style: initial;}

When you need padding inside the JPanel generally you add padding with the layout manager you are using. There are cases that you can just expand the border of the JPanel.

I wasn't able to make the accepted answer work in a Docker container.

What worked for me was to set the Personal Access Token from github in a file .nextrc

ARG GITHUB_READ_TOKEN
RUN echo -e "machine github.com\n  login $GITHUB_READ_TOKEN" > ~/.netrc 
RUN npm install --only=production --force \
  && npm cache clean --force
RUN rm ~/.netrc

in package.json

"my-lib": "github:username/repo",

from threading import Thread
from time import sleep
def run(name):
    for x in range(10):
        print("helo "+name)
        sleep(1)
def run1():
    for x in range(10):
        print("hi")
        sleep(1)
T=Thread(target=run,args=("Ayla",))
T1=Thread(target=run1)
T.start()
sleep(0.2)
T1.start()
T.join()
T1.join()
print("Bye")

Its simple just try: sudo apt-get remove python3.7 or the versions that you want to remove

C++20 std::source_location

C++ has finally added a non-macro option, and it will likely dominate at some point in the future when C++20 becomes widespread:

• https://en.cppreference.com/w/cpp/utility/source_location
• http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2019/p1208r5.pdf

The documentation says:

constexpr const char* function_name() const noexcept;

6 Returns: If this object represents a position in the body of a function, returns an implementation-defined NTBS that should correspond to the function name. Otherwise, returns an empty string.

where NTBS means "Null Terminated Byte String".

I'll give it a try when support arrives to GCC, GCC 9.1.0 with g++-9 -std=c++2a still doesn't support it.

https://en.cppreference.com/w/cpp/utility/source_location claims usage will be like:

#include <iostream>
#include <string_view>
#include <source_location>

void log(std::string_view message,
         const std::source_location& location std::source_location::current()
) {
    std::cout << "info:"
              << location.file_name() << ":"
              << location.line() << ":"
              << location.function_name() << " "
              << message << '\n';
}

int main() {
    log("Hello world!");
}

Possible output:

info:main.cpp:16:main Hello world!

__PRETTY_FUNCTION__ vs __FUNCTION__ vs __func__ vs std::source_location::function_name

Answered at: What's the difference between __PRETTY_FUNCTION__, __FUNCTION__, __func__?

"FEB-2010" is not a Date, so it would not make a lot of sense to store it in a date column.

You can always extract the string part you need , in your case "MON-YYYY" using the TO_CHAR logic you showed above.

If this is for a DIMENSION table in a Data warehouse environment and you want to include these as separate columns in the Dimension table (as Data attributes), you will need to store the month and Year in two different columns, with appropriate Datatypes...

Example..

Month varchar2(3) --Month code in Alpha..
Year  NUMBER      -- Year in number

or

Month number(2)    --Month Number in Year.
Year  NUMBER      -- Year in number

Try the following line:

while read line1; do read line2; echo "$line1 $line2"; done <old.txt>new_file

Put delimiter in-between

"$line1 $line2";

e.g. if the delimiter is |, then:

"$line1|$line2";

In the case of multiple inheritance, you normally want to call the initializers of both parents, not just the first. Instead of always using the base class, super() finds the class that is next in Method Resolution Order (MRO), and returns the current object as an instance of that class. For example:

class Base(object):
    def __init__(self):
        print("initializing Base")

class ChildA(Base):
    def __init__(self):
        print("initializing ChildA")
        Base.__init__(self)

class ChildB(Base):
    def __init__(self):
        print("initializing ChildB")
        super().__init__()

class Grandchild(ChildA, ChildB):
    def __init__(self):
        print("initializing Grandchild")
        super().__init__()
        
Grandchild()

results in

initializing Grandchild
initializing ChildA
initializing Base

Replacing Base.__init__(self) with super().__init__() results in

initializing Grandchild
initializing ChildA
initializing ChildB
initializing Base

as desired.

int? here = (list.ElementAtOrDefault(2) != 0 ? list[2]:(int?) null);

I ran into the same issue and found that I could solve it with a Common Table Expression (available in SQL 2005 or later):

;with cte as (
    SELECT PitchID, SUM(Price) somePrice
    FROM BookingPitchExtras
    WHERE [required] = 1 
    GROUP BY PitchID)
UPDATE p SET p.extrasPrice=cte.SomePrice
FROM BookingPitches p INNER JOIN cte ON p.ID=cte.PitchID
WHERE p.BookingID=1

You can comment section of a script using a conditional.

For example, the following script:

DEBUG=false
if ${DEBUG}; then
echo 1
echo 2
echo 3
echo 4
echo 5
fi
echo 6
echo 7

would output:

6
7

In order to uncomment the section of the code, you simply need to comment the variable:

#DEBUG=false

(Doing so would print the numbers 1 through 7.)

Sortest one...

select top 0 * into #temptable from mytable

Note : This creates an empty copy of temp, But it doesn't create a primary key

You can use <i [className]="'fa fa-' + data?.icon"> </i>

In my case, the issue was related to workspace path which was to much long. So I did a path refactoring and this solved the issue to me.

I believe there are different ways to do this based on what you need exactly, but one way would be to just put both Elements A and B inside Parent A.

    <View style={{ position: 'absolute' }}>    // parent of A
        <View style={{ zIndex: 1 }} />  // element A
        <View style={{ zIndex: 1 }} />  // element A
        <View style={{ zIndex: 0, position: 'absolute' }} />  // element B
    </View>

I repeatedly had the same challenge sometime ago. This problem occurs mostly when you are trying to pull from the remote repository and you have some files on your local instance conflicting with the remote version, if you are using git from an IDE such as IntelliJ, you will be prompted and allowed to make a choice if you want to retain your own changes or you prefer the changes in the remote version to overwrite yours'. If you don't make any choice then you fall into this conflict. all you need to do is run:

git merge --abort # The unresolved conflict will be cleared off

And you can continue what you were doing before the break.

You can try this:

Hope it works for you..

`private void validateUserEntry()
{
    // Checks the value of the text.
    if(serverName.Text.Length == 0)
    {
    // Initializes the variables to pass to the MessageBox.Show method.
    string message = "You did not enter a server name. Cancel this operation?";
    string caption = "Error Detected in Input";
    MessageBoxButtons buttons = MessageBoxButtons.YesNo;
    DialogResult result;

    // Displays the MessageBox.
    result = MessageBox.Show(message, caption, buttons);
    if (result == System.Windows.Forms.DialogResult.Yes)
    {
     // Closes the parent form.
        this.Close();
    }
    }
}` 

I am using macOS and although i had setup my public key in bitbucket the next time i tried to push i got

repository access denied.

fatal: Could not read from remote repository.

Please make sure you have the correct access rights and the repository exists.

What i had to do was Step 2. Add the key to the ssh-agent as described in Bitbucket SSH keys setup guide and especially the 3rd step:

(macOS only) So that your computer remembers your password each time it restarts, open (or create) the ~/.ssh/config file and add these lines to the file:

Host *
UseKeychain yes

Hope it helps a mac user with the same issue.

You can use Configuration to resolve this.

Ex (Startup.cs):

You can pass by DI to the controllers after this implementation.

public class Startup
{
    public Startup(IHostingEnvironment env)
    {
        var builder = new ConfigurationBuilder()
        .SetBasePath(env.ContentRootPath)
        .AddJsonFile("appsettings.json", optional: true, reloadOnChange: true);

        Configuration = builder.Build();

    }

    public IConfiguration Configuration { get; }

    // This method gets called by the runtime. Use this method to add services to the container.
    public void ConfigureServices(IServiceCollection services)
    {

        var microserviceName = Configuration["microserviceName"];

       services.AddSingleton(Configuration);

       ...
    }

I think you should use "textAlign" instead of "text-align".

Based on First answer here is the complete image selection options:

Filter = @"|All Image Files|*.BMP;*.bmp;*.JPG;*.JPEG*.jpg;*.jpeg;*.PNG;*.png;*.GIF;*.gif;*.tif;*.tiff;*.ico;*.ICO
           |PNG|*.PNG;*.png
           |JPEG|*.JPG;*.JPEG*.jpg;*.jpeg
           |Bitmap(.BMP,.bmp)|*.BMP;*.bmp                                    
           |GIF|*.GIF;*.gif
           |TIF|*.tif;*.tiff
           |ICO|*.ico;*.ICO";

In some cases it is possible to define a method or a constructor of class B in the header file of class A to resolve circular dependencies involving definitions. In this way you can avoid having to put definitions in .cc files, for example if you want to implement a header only library.

// file: a.h
#include "b.h"
struct A {
  A(const B& b) : _b(b) { }
  B get() { return _b; }
  B _b;
};

// note that the get method of class B is defined in a.h
A B::get() {
  return A(*this);
}

// file: b.h
class A;
struct B {
  // here the get method is only declared
  A get();
};

// file: main.cc
#include "a.h"
int main(...) {
  B b;
  A a = b.get();
}

URL url = new URL(yourUrl, "/api/v1/status.xml");

According to the javadocs this constructor just appends whatever resource to the end of your domain, so you would want to create 2 urls:

URL domain = new URL("http://example.com");
URL url = new URL(domain + "/files/resource.xml");

Sources: http://docs.oracle.com/javase/6/docs/api/java/net/URL.html

I have modified your jsfiddle, can make top most module as rootModule for rest of the modules. Below Modifications updated on your jsfiddle.

1. Second Module can injected in RootModule.
2. In Html second defined ng-app placed inside the Root ng-app.

Updated JsFiddle: http://jsfiddle.net/ep2sQ/1011/

This approach is similar to "stash" solution but I think it might be more clear:

1. Your current local branch is "master" and you have local changes.
2. After synchronizing, there are incoming changes and some files need to be merged.
3. So, the first step is to switch to a new local branch (say "my_changes"):
   • Team -> Switch To -> New branch
     • Branch name: my_changes (for example)
4. After switching to the new branch, the uncommitted local changes still exist. So, commit all your local uncommitted changes to the new branch "my_changes":
5. Switch back to the local "master" branch:
   • Team -> Switch To -> master
6. Now, when you choose Team -> Synchronize Workspace, no "merge" files are expected to appear.
7. Select Team -> Pull
   • Now the local "master" branch is up to date with respect to the remote "master" branch.
8. Now, there are two options:
   • Option 1:
     • Select Team -> Merge to merge the original local changes from "my_changes" local branch into "master" local branch.
     • Now commit the incoming changes from the previous step into the local "master" branch and push them to the remote "master" branch.
   • Option 2:
     • Switch again to "my_changes" local branch.
     • Merge the updates from the local "master" branch into "my_changes" branch.
     • Proceed with the current task in "my_changes" branch.
     • When the task is done, use Option 1 above to update both the local "master" branch as well as the remote one.

All you need is stone and bare knuckle then you can do it like a caveman.

1. Remove unused namespaces (for each class)
2. Run Debug build
3. Copy your executable and remaining namespace references to new location
4. Run the executable
5. Missing Reference DLL error will occur
6. Copy required DLL from Debug folder
7. Repeat 4-6
8. Gu Gu Ga Ga?
9. Throw your stone

You can also rely on your build tools to let you know which reference is still required. It's the era of VS 2017, caveman still survived.

Simulated Multiple Inheritance Pattern
http://www.codeproject.com/KB/architecture/smip.aspx

Try this

RelativeLayout relative = (RelativeLayout) findViewById(R.id.widget29);
relative.setBackgroundResource(0);

Check the setBackground functions in the RelativeLayout documentation

SELECT DATEPART(HOUR, GETDATE());

DATEPART documentation

I would like to add that in my case (My OS is Linux Mint and using IntelliJ IDEA). My compiler complaining about these annotations I was using: @Data @RequiredArgsConstructor, even though I had installed and activated the Lombok plugin.Install Lombok in IntelliJ Idea. I am using Maven. So I had to add this dependency in my configuration file (pom.xml file):

dependency>
    <groupId>org.projectlombok</groupId>
    <artifactId>lombok</artifactId>
</dependency>

It does that because input.nextInt(); doesn't capture the newline. you could do like the others proposed by adding an input.nextLine(); underneath.
Alternatively you can do it C# style and parse a nextLine to an integer like so:

int number = Integer.parseInt(input.nextLine()); 

Doing this works just as well, and it saves you a line of code.

This function takes an array of integers. (I completely understand @Jon Skeet's complaint about sending arrays.)

It's probably a bit overkill.

    public static int GetMax(int[] array) // must be a array of ints
    {
        int current_greatest_value = array[0]; // initializes it

        for (int i = 1; i <= array.Length; i++)
        {
            // compare current number against next number

            if (i+1 <= array.Length-1) // prevent "index outside bounds of array" error below with array[i+1]
            {
                // array[i+1] exists
                if (array[i] < array[i+1] || array[i] <= current_greatest_value)
                {
                    // current val is less than next, and less than the current greatest val, so go to next iteration
                    continue;
                }
            } else
            {
                // array[i+1] doesn't exist, we are at the last element
                if (array[i] > current_greatest_value)
                {
                    // current iteration val is greater than current_greatest_value
                    current_greatest_value = array[i];
                }
                break; // next for loop i index will be invalid
            }

            // if it gets here, current val is greater than next, so for now assign that value to greatest_value
            current_greatest_value = array[i];
        }

        return current_greatest_value;
    }

Then call the function :

int highest_val = GetMax (new[] { 1,6,2,72727275,2323});

// highest_val = 72727275

in widget use 'value' attr. Example:

username = forms.CharField(
    required=False,
    widget=forms.TextInput(attrs={'readonly': True, 'value': 'CONSTANT_VALUE'}),
)

Add it in milliseconds:

var currentDate = new Date();
var twentyMinutesLater = new Date(currentDate.getTime() + (20 * 60 * 1000));

if you are using SQL Server use convert

e.g. select convert(varchar(10), DeliveryDate, 103) as ShortDate

more information here: http://msdn.microsoft.com/en-us/library/aa226054(v=sql.80).aspx

I used below piece of code. Here dragAndDrop(x,y) is a method of Action class. Which takes two parameters (x,y), source location, and target location respectively

try {
                System.out.println("Drag and Drom started :");
                Thread.sleep(12000);
                Actions actions = new Actions(webdriver);
                WebElement srcElement = webdriver.findElement(By.xpath("source Xpath"));
                WebElement targetElement = webdriver.findElement(By.xpath("Target Xpath"));
                actions.dragAndDrop(srcElement, targetElement); 
                actions.build().perform();
                System.out.println("Drag and Drom complated :");
            } catch (Exception e) {
                System.out.println(e.getMessage());
                resultDetails.setFlag(true);
            }

There is a simple solution I learned with "We <3 Swift" if you can't either import Foundation, use round() and/or does not want a String:

var number = 31.726354765
var intNumber = Int(number * 1000.0)
var roundedNumber = Double(intNumber) / 1000.0

result: 31.726

wget

wget is a linux command, not a PHP command, so to run this you woud need to use exec, which is a PHP command for executing shell commands.

exec("wget --http-user=[user] --http-password=[pass] http://www.example.com/file.xml");

This can be useful if you are downloading a large file - and would like to monitor the progress, however when working with pages in which you are just interested in the content, there are simple functions for doing just that.

The exec function is enabled by default, but may be disabled in some situations. The configuration options for this reside in your php.ini, to enable, remove exec from the disabled_functions config string.

alternative

Using file_get_contents we can retrieve the contents of the specified URL/URI. When you just need to read the file into a variable, this would be the perfect function to use as a replacement for curl - follow the URI syntax when building your URL.

// standard url
$content = file_get_contents("http://www.example.com/file.xml");

// or with basic auth
$content = file_get_contents("http://user:[email protected]/file.xml");

As noted by Sean the Bean - you may also need to change allow_url_fopen to true in your php.ini to allow the use of a URL in this method, however, this should be true by default.

If you want to then store that file locally, there is a function file_put_contents to write that into a file, combined with the previous, this could emulate a file download:

file_put_contents("local_file.xml", $content);

You can do it using the Github API

This is the Python example:

import requests


if __name__ == '__main__':
    base_api_url = 'https://api.github.com/repos'
    git_repository_url = 'https://github.com/garysieling/wikipedia-categorization.git'

    github_username, repository_name = git_repository_url[:-4].split('/')[-2:]  # garysieling and wikipedia-categorization
    res = requests.get(f'{base_api_url}/{github_username}/{repository_name}')
    repository_size = res.json().get('size')
    print(repository_size)

cant say why, but the es5/6 syntax doesnt work

elem.onclick = (ev) => {console.log(this);} not working

elem.onclick = function(ev) {console.log(this);} working

You can simply try.

git reset --soft HEAD~1

and create a new commit.

However, there is an awesome software "gitkraken". which makes it easy to work with git.

If your repo is of HTTPS repo, git config -e give this command in the git bash. Update the username and password by opening in insert mode, change the password or username give :x and Cntrl+z keys it will save and exit

So, From then while you pull / push the code to the repository it will not ask for password.

I was just working on this, I may be a bit late, but I did a workaround. Here are steps: - Get current time from whatever timezone the app is fired.- - Get time zone offset of that zone from gmt 0. then add your timezone value in miliseconds. You will get the date in your time zone. I added some extra code to remove anything after the actual time.

getCurrentDate() {
    var date = new Date();
    var newDate = new Date(8 * 60 * 60000 + date.valueOf() + 
                           (date.getTimezoneOffset() * 60000));
    var ampm = newDate.getHours() < 12 ? ' AM' : ' PM';
    var strDate = newDate + '';
    return (strDate).substring(0, strDate.indexOf(' GMT')) + ampm
}

This is not the most performant solution, but as somebody suggested instead of background you can create FrameLayout or RelativeLayout and use ImageView as pseudo background - other elements will be position simply above it:

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_height="match_parent"
    android:layout_width="match_parent">

    <ImageView
        android:id="@+id/ivBackground"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_alignParentLeft="true"
        android:layout_alignParentTop="true"
        android:scaleType="fitStart"
        android:src="@drawable/menu_icon_exit" />

    <Button
        android:id="@+id/bSomeButton"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_alignParentTop="true"
        android:layout_marginLeft="61dp"
        android:layout_marginTop="122dp"
        android:text="Button" />

</RelativeLayout>

The problem with ImageView is that only scaleTypes available are: CENTER, CENTER_CROP, CENTER_INSIDE, FIT_CENTER,FIT_END, FIT_START, FIT_XY, MATRIX (http://etcodehome.blogspot.de/2011/05/android-imageview-scaletype-samples.html)

and to "scale the background image (keeping its aspect ratio)" in some cases, when you want an image to fill the whole screen (for example background image) and aspect ratio of the screen is different than image's, the necessary scaleType is kind of TOP_CROP, because:

CENTER_CROP centers the scaled image instead of aligning the top edge to the top edge of the image view and FIT_START fits the screen height and not fill the width. And as user Anke noticed FIT_XY doesn't keep aspect ratio.

Gladly somebody has extended ImageView to support TOP_CROP

public class ImageViewScaleTypeTopCrop extends ImageView {
    public ImageViewScaleTypeTopCrop(Context context) {
        super(context);
        setup();
    }

    public ImageViewScaleTypeTopCrop(Context context, AttributeSet attrs) {
        super(context, attrs);
        setup();
    }

    public ImageViewScaleTypeTopCrop(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
        setup();
    }

    private void setup() {
        setScaleType(ScaleType.MATRIX);
    }

    @Override
    protected boolean setFrame(int frameLeft, int frameTop, int frameRight, int frameBottom) {

        float frameWidth = frameRight - frameLeft;
        float frameHeight = frameBottom - frameTop;

        if (getDrawable() != null) {

            Matrix matrix = getImageMatrix();
            float scaleFactor, scaleFactorWidth, scaleFactorHeight;

            scaleFactorWidth = (float) frameWidth / (float) getDrawable().getIntrinsicWidth();
            scaleFactorHeight = (float) frameHeight / (float) getDrawable().getIntrinsicHeight();

            if (scaleFactorHeight > scaleFactorWidth) {
                scaleFactor = scaleFactorHeight;
            } else {
                scaleFactor = scaleFactorWidth;
            }

            matrix.setScale(scaleFactor, scaleFactor, 0, 0);
            setImageMatrix(matrix);
        }

        return super.setFrame(frameLeft, frameTop, frameRight, frameBottom);
    }

}

https://stackoverflow.com/a/14815588/2075875

Now IMHO would be perfect if somebody wrote custom Drawable which scales image like that. Then it could be used as background parameter.

Reflog suggests to prescale drawable before using it. Here is instruction how to do it: Java (Android): How to scale a drawable without Bitmap? Although it has disadvantage, that upscaled drawable/bitmap will use more RAM, while scaling on the fly used by ImageView doesn't require more memory. Advantage could be less processor load.

JonSkeet has a good answer but as an alternative if you wanted to keep the result more portable you could convert the date into an ISO 8601 format which could then be read into most other frameworks but this may fall outside your requirements.

value.ToUniversalTime().ToString("O");

Strings are immutable, so when you manipulate them you need to assign the result to a string:

String id = fileR.getName();
id = id.replace(".xml", ""); // this is the key line
idList.add(id);

use SimpleDateFormat df = new SimpleDateFormat("HH:mm"); instead

UPDATE

@Ingo is right. is's better use setTime(d1);

first method getHours() and getMinutes() is now deprecated

I test this code

SimpleDateFormat df = new SimpleDateFormat("hh:mm");
  Date d1 = df.parse("23:30");
  Calendar c1 = GregorianCalendar.getInstance();
  c1.setTime(d1);
  System.out.println(c1.getTime());

and output is ok Thu Jan 01 23:30:00 FET 1970

try this

SimpleDateFormat df = new SimpleDateFormat("KK:mm aa");
  Date d1 = df.parse("10:30 PM");
  Calendar c1 = GregorianCalendar.getInstance(Locale.US);
  SimpleDateFormat sdf = new SimpleDateFormat("HH:mm:ss");  
  c1.setTime(d1);
  String str = sdf.format(c1.getTime());
  System.out.println(str);

Give this a try:

Get-ChildItem "C:\Users\gerhardl\Documents\My Received Files" -Filter *.log | 
Foreach-Object {
    $content = Get-Content $_.FullName

    #filter and save content to the original file
    $content | Where-Object {$_ -match 'step[49]'} | Set-Content $_.FullName

    #filter and save content to a new file 
    $content | Where-Object {$_ -match 'step[49]'} | Set-Content ($_.BaseName + '_out.log')
}

As others have answered, you need multiple ALTER TABLE statements.
Try following:

ALTER TABLE tblcommodityOHLC alter column CC_CommodityContractID NUMERIC(18,0);
ALTER TABLE tblcommodityOHLC alter column CM_CommodityID NUMERIC(18,0);

In order to manually show the modal pop up you have to do this

$('#myModal').modal('show');

You previously need to initialize it with show: false so it won't show until you manually do it.

$('#myModal').modal({ show: false})

Where myModal is the id of the modal container.

Single quotes are characters (char), double quotes are null-terminated strings (char *).

char c = 'x';
char *s = "Hello World";

Right click on the project, go to Maven -> Update Project... , then check the Force Update of Snapshots/Releases , then click Ok. It's done!

I wrote a function to beep with the new Audio API.

var beep = (function () {
    var ctxClass = window.audioContext ||window.AudioContext || window.AudioContext || window.webkitAudioContext
    var ctx = new ctxClass();
    return function (duration, type, finishedCallback) {

        duration = +duration;

        // Only 0-4 are valid types.
        type = (type % 5) || 0;

        if (typeof finishedCallback != "function") {
            finishedCallback = function () {};
        }

        var osc = ctx.createOscillator();

        osc.type = type;
        //osc.type = "sine";

        osc.connect(ctx.destination);
        if (osc.noteOn) osc.noteOn(0); // old browsers
        if (osc.start) osc.start(); // new browsers

        setTimeout(function () {
            if (osc.noteOff) osc.noteOff(0); // old browsers
            if (osc.stop) osc.stop(); // new browsers
            finishedCallback();
        }, duration);

    };
})();

jsFiddle.

If I understand correctly, you want only the error for the failing step to show, right?

That should be as simple as changing the failure case of the first promise to this:

step(1).then(function (response) {
    step(2);
}, function (response) {
    stepError(1);
    return response;
}).then( ... )

By returning $q.reject() in the first step's failure case, you're rejecting that promise, which causes the errorCallback to be called in the 2nd then(...).

In the following line

<form method="post" action="display()">

the action should be the name of your script and you should call the function, Something like this

<form method="post" action="yourFileName.php">
    <input type="text" name="studentname">
    <input type="submit" value="click" name="submit"> <!-- assign a name for the button -->
</form>

<?php
function display()
{
    echo "hello ".$_POST["studentname"];
}
if(isset($_POST['submit']))
{
   display();
} 
?>

Try this

  SELECT *
    FROM categories
    LEFT JOIN user_category_subscriptions 
         ON user_category_subscriptions.category_id = categories.category_id 
   WHERE user_category_subscriptions.user_id = 1 
          or user_category_subscriptions.user_id is null

Another use that I've been putting to good purpose is fetching data from multiple sources. In the example below, I'm fetching multiple, independent JSON schema objects used in an existing application for validation between a client and a REST server. In this case, I don't want the browser-side application to start loading data before it has all the schemas loaded. $.when.apply().then() is perfect for this. Thank to Raynos for pointers on using then(fn1, fn2) to monitor for error conditions.

fetch_sources = function (schema_urls) {
    var fetch_one = function (url) {
            return $.ajax({
                url: url,
                data: {},
                contentType: "application/json; charset=utf-8",
                dataType: "json",
            });
        }
    return $.map(schema_urls, fetch_one);
}

var promises = fetch_sources(data['schemas']);
$.when.apply(null, promises).then(

function () {
    var schemas = $.map(arguments, function (a) {
        return a[0]
    });
    start_application(schemas);
}, function () {
    console.log("FAIL", this, arguments);
});     

In my case what worked was.

git push origin --all

From WikiAnswers:

• A schema is collection of database objects, including logical structures such as tables, views, sequences, stored procedures, synonyms, indexes, clusters, and database links.
• A user owns a schema.
• A user and a schema have the same name.
• The CREATE USER command creates a user. It also automatically creates a schema for that user.
• The CREATE SCHEMA command does not create a "schema" as it implies, it just allows you to create multiple tables and views and perform multiple grants in your own schema in a single transaction.
• For all intents and purposes you can consider a user to be a schema and a schema to be a user.

Furthermore, a user can access objects in schemas other than their own, if they have permission to do so.

How to auto increment by one, starting at 10 in MySQL:

create table foobar(
  id             INT PRIMARY KEY AUTO_INCREMENT,
  moobar         VARCHAR(500)
); 
ALTER TABLE foobar AUTO_INCREMENT=10;

INSERT INTO foobar(moobar) values ("abc");
INSERT INTO foobar(moobar) values ("def");
INSERT INTO foobar(moobar) values ("xyz");

select * from foobar;

'10', 'abc'
'11', 'def'
'12', 'xyz'

This auto increments the id column by one starting at 10.

Auto increment in MySQL by 5, starting at 10:

drop table foobar
create table foobar(
  id             INT PRIMARY KEY AUTO_INCREMENT,
  moobar         VARCHAR(500)
); 
SET @@auto_increment_increment=5;
ALTER TABLE foobar AUTO_INCREMENT=10;

INSERT INTO foobar(moobar) values ("abc");
INSERT INTO foobar(moobar) values ("def");
INSERT INTO foobar(moobar) values ("xyz");

select * from foobar;
'11', 'abc'
'16', 'def'
'21', 'xyz'

This auto increments the id column by 5 each time, starting at 10.

Work with checkboxes using observables

You could even choose to use a behaviourSubject to utilize the power of observables so you can start a certain chain of reaction starting at the isChecked$ observable.

In your component.ts:

public isChecked$ = new BehaviorSubject(false);
toggleChecked() {
  this.isChecked$.next(!this.isChecked$.value)
}

In your template

<input type="checkbox" [checked]="isChecked$ | async" (change)="toggleChecked()">

Alternatively, a sexier perlish way.....

my ($src, $dest) = @ARGV;

"Assumes" two values are passed. Extra code can verify the assumption is safe.

It must be overridden. You could use:

<!-- Add a class name to override -->
<select name="funTimes" class="funTimes" size="5">

#elementId select.funTimes {
   /* Override styles here */
}

Make sure you use !important flag in css style e.g. margin-top: 0px !important What does !important mean in CSS?

You could use an attribute selector, but since that isn't supported by legacy browsers (read IE6 etc), it's better to add a class name

i've had to do this quite often. i have a directive and need to do some jquery stuff after model stuff is fully loaded into the DOM. so i put my logic in the link: function of the directive and wrap the code in a setTimeout(function() { ..... }, 1); the setTimout will fire after the DOM is loaded and 1 milisecond is the shortest amount of time after DOM is loaded before code would execute. this seems to work for me but i do wish angular raised an event once a template was done loading so that directives used by that template could do jquery stuff and access DOM elements. hope this helps.

The answers here so far are not so useful:

• docker info no longer provides this info
• docker logout is a major inconvenience - unless you already know the credentials and can easily re-login
• docker login response seems quite unreliable and not so easy to parse by the program

My solution that worked for me builds on @noobuntu's comment: I figured that if I already known the image that I want to pull, but I'm not sure if the user is already logged in, I can do this:

try pulling target image
-> on failure:
   try logging in
   -> on failure: throw CannotLogInException
   -> on success:
      try pulling target image
      -> on failure: throw CannotPullImageException
      -> on success: (continue)
-> on success: (continue)

I'd recommend making "apple" its own class. You should avoid the starts-with/ends-with if you can because being able to select using div.apple would be a lot faster. That's the more elegant solution. Don't be afraid to split things out into separate classes if it makes the task simpler/faster.

In order to get the popup exactly centered, it's a simple matter of applying a negative top margin of half the div height, and a negative left margin of half the div width. For this example, like so:

.div {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50%;
}

Yes, you could make an indexer on your Record class that maps from the property name to the correct property. This would keep all the binding from property name to property in one place eg:

public class Record
{
    public string ItemType { get; set; }

    public string this[string propertyName]
    {
        set
        {
            switch (propertyName)
            {
                case "itemType":
                    ItemType = value;
                    break;
                    // etc
            }   
        }
    }
}

Alternatively, as others have mentioned, use reflection.

This is the benchmark I have run after finding some articles around the net.

With 2.4.0 the winner is re.match?(str) (as suggested by @wiktor-stribizew), on previous versions, re =~ str seems to be fastest, although str =~ re is almost as fast.

#!/usr/bin/env ruby
require 'benchmark'

str = "aacaabc"
re = Regexp.new('a+b').freeze

N = 4_000_000

Benchmark.bm do |b|
    b.report("str.match re\t") { N.times { str.match re } }
    b.report("str =~ re\t")    { N.times { str =~ re } }
    b.report("str[re]  \t")    { N.times { str[re] } }
    b.report("re =~ str\t")    { N.times { re =~ str } }
    b.report("re.match str\t") { N.times { re.match str } }
    if re.respond_to?(:match?)
        b.report("re.match? str\t") { N.times { re.match? str } }
    end
end

Results MRI 1.9.3-o551:

$ ./bench-re.rb  | sort -t $'\t' -k 2
       user     system      total        real
re =~ str         2.390000   0.000000   2.390000 (  2.397331)
str =~ re         2.450000   0.000000   2.450000 (  2.446893)
str[re]           2.940000   0.010000   2.950000 (  2.941666)
re.match str      3.620000   0.000000   3.620000 (  3.619922)
str.match re      4.180000   0.000000   4.180000 (  4.180083)

Results MRI 2.1.5:

$ ./bench-re.rb  | sort -t $'\t' -k 2
       user     system      total        real
re =~ str         1.150000   0.000000   1.150000 (  1.144880)
str =~ re         1.160000   0.000000   1.160000 (  1.150691)
str[re]           1.330000   0.000000   1.330000 (  1.337064)
re.match str      2.250000   0.000000   2.250000 (  2.255142)
str.match re      2.270000   0.000000   2.270000 (  2.270948)

Results MRI 2.3.3 (there is a regression in regex matching, it seems):

$ ./bench-re.rb  | sort -t $'\t' -k 2
       user     system      total        real
re =~ str         3.540000   0.000000   3.540000 (  3.535881)
str =~ re         3.560000   0.000000   3.560000 (  3.560657)
str[re]           4.300000   0.000000   4.300000 (  4.299403)
re.match str      5.210000   0.010000   5.220000 (  5.213041)
str.match re      6.000000   0.000000   6.000000 (  6.000465)

Results MRI 2.4.0:

$ ./bench-re.rb  | sort -t $'\t' -k 2
       user     system      total        real
re.match? str     0.690000   0.010000   0.700000 (  0.682934)
re =~ str         1.040000   0.000000   1.040000 (  1.035863)
str =~ re         1.040000   0.000000   1.040000 (  1.042963)
str[re]           1.340000   0.000000   1.340000 (  1.339704)
re.match str      2.040000   0.000000   2.040000 (  2.046464)
str.match re      2.180000   0.000000   2.180000 (  2.174691)

Disclaimer: @theTinMan and other Ruby developers often point out not to use sudo when installing gems and point to things like RVM. That's absolutely true when doing Ruby development. Go ahead and use that.

However, many of us just want some binary that happens to be distributed as a gem (e.g. fakes3, cocoapods, xcpretty …). I definitely don't want to bother with managing a separate ruby. Here are your quicker options:

Option 1: Keep using sudo

Using sudo is probably fine if you want these tools to be installed globally.

The problem is that these binaries are installed into /usr/bin, which is off-limits since El Capitan. However, you can install them into /usr/local/bin instead. That's where Homebrew install its stuff, so it probably exists already.

sudo gem install fakes3 -n/usr/local/bin

Gems will be installed into /usr/local/bin and every user on your system can use them if it's in their PATH.

Option 2: Install in your home directory (without sudo)

The following will install gems in ~/.gem and put binaries in ~/bin (which you should then add to your PATH).

gem install fakes3 --user-install -n~/bin

Make it the default

Either way, you can add these parameters to your ~/.gemrc so you don't have to remember them:

gem: -n/usr/local/bin

i.e. echo "gem: -n/usr/local/bin" >> ~/.gemrc

or

gem: --user-install -n~/bin

i.e. echo "gem: --user-install -n~/bin" >> ~/.gemrc

(Tip: You can also throw in --no-document to skip generating Ruby developer documentation.)

Try this:

select CONVERT(datetime, convert(varchar(10), 20120103))

If you open the php.ini file in wamp, you will find these two lines:

smtp_server
smtp_port

Add the server and port number for your host (you may need to contact them for details)

The following two lines don't exist:

auth_username
auth_password

So you will need to add them to be able to send mail from a server that requires authentication. So an example may be:

smtp_server = mail.example.com
smtp_port = 26
auth_username = [email protected]
auth_password = example_password

you can using This code when work with an ArrayList

ArrayList arrayList;
//Add some Members :)
arrayList.Add("ali");
arrayList.Add("hadi");
arrayList.Add("ali");

//Remove duplicates from array
  for (int i = 0; i < arrayList.Count; i++)
    {
       for (int j = i + 1; j < arrayList.Count ; j++)
           if (arrayList[i].ToString() == arrayList[j].ToString())
                 arrayList.Remove(arrayList[j]);

Also, try to deactivate the current node version after installing a new node version. It helps me.

nvm deactivate

This is removed /Users/user_name/.nvm/*/bin from $PATH

And after that node was updated

node --version
v10.9.0

Since i'm also facing this problem now and i cannot add an answer to a different but also valid question asked here, i'll provide an example solution for the problem of: getting only the line number of where the function has been called in C++ using templates.

Background: in C++ one can use non-type integer values as a template argument. This is different than the typical usage of data types as template arguments. So the idea is to use such integer values for a function call.

#include <iostream>

class Test{
    public:
        template<unsigned int L>
        int test(){
            std::cout << "the function has been called at line number: " << L << std::endl;
            return 0;
        }
        int test(){ return this->test<0>(); }
};

int main(int argc, char **argv){
    Test t;
    t.test();
    t.test<__LINE__>();
    return 0;
}

Output:

the function has been called at line number: 0

the function has been called at line number: 16

One thing to mention here is that in C++11 Standard it's possible to give default template values for functions using template. In pre C++11 default values for non-type arguments seem to only work for class template arguments. Thus, in C++11, there would be no need to have duplicate function definitions as above. In C++11 its also valid to have const char* template arguments but its not possible to use them with literals like __FILE__ or __func__ as mentioned here.

So in the end if you're using C++ or C++11 this might be a very interesting alternative than using macro's to get the calling line.

I just added H:i:s to Rocket's answer to get the time along with the date.

echo date('m/d/Y H:i:s', 1299446702);

Output: 03/06/2011 16:25:02

You can use the php serialize function to store array in MySQL.

<?php

$array = array("Name"=>"Shubham","Age"=>"17","website"=>"http://mycodingtricks.com");

$string_array = serialize($array);

echo $string_array;

?>

It’s output will be :

a:3{s:4:"Name";s:7:"Shubham";s:3:"Age";s:2:"17";s:7:"website";s:25:"http://mycodingtricks.com";}

And then you can use the php unserialize function to decode the data.

I think you should visit this page on storing array in mysql.

Some time ago I came across the following algorithm which works very well for incrementing and decrementing months on either a date or datetime.

CAVEAT: This will fail if day is not available in the new month. I use this on date objects where day == 1 always.

Python 3.x:

def increment_month(d, add=1):
    return date(d.year+(d.month+add-1)//12, (d.month+add-1) % 12+1, 1)

For Python 2.7 change the //12 to just /12 since integer division is implied.

I recently used this in a defaults file when a script started to get these useful globals:

MONTH_THIS = datetime.date.today()
MONTH_THIS = datetime.date(MONTH_THIS.year, MONTH_THIS.month, 1)

MONTH_1AGO = datetime.date(MONTH_THIS.year+(MONTH_THIS.month-2)//12,
                           (MONTH_THIS.month-2) % 12+1, 1)

MONTH_2AGO = datetime.date(MONTH_THIS.year+(MONTH_THIS.month-3)//12,
                           (MONTH_THIS.month-3) % 12+1, 1)

$json_data = '{ "Languages:" : [ "English", "Spanish" ] }';
$lang_data = json_decode($json_data);
var_dump($lang_data);

By using css property --> display:table-cell

div {_x000D_
    border: 1px solid #000;_x000D_
    margin: 5px;_x000D_
    padding: 4px;_x000D_
 display:table-cell;_x000D_
 width:25% ;position:relative;_x000D_
}_x000D_
body{display:table;_x000D_
 border-collapse:separate;_x000D_
 border-spacing:5px 5px}

<div>_x000D_
    This is my div one This is my div one This is my div one_x000D_
</div>_x000D_
<div>_x000D_
    This is my div two This is my div two This is my div two This is my div two This is my div two This is my div two_x000D_
</div>_x000D_
<div>_x000D_
    This is my div 3 This is my div 3 This is my div 3 This is my div 3 This is my div 3 This is my div 3 This is my div 3 This is my div 3 This is my div 3 This is my div 3 This is my div 3 This is my div 3_x000D_
</div>

Based on quentinadam's answer

Swift 5.1

// size refers to the width/height of your tile images, by default is 256.0
// Seems to get better results using round()
// frame.width is the width of the MKMapView

let zoom = round(log2(360 * Double(frame.width) / size / region.span.longitudeDelta))

click here in settings, one pop up window will get open. There we have switcher to make SSL verification certificate (Off)

Your ProcExit label is your place where you release all the resources whether an error happened or not. For instance:

Public Sub SubA()
  On Error Goto ProcError

  Connection.Open
  Open File for Writing
  SomePreciousResource.GrabIt

ProcExit:  
  Connection.Close
  Connection = Nothing
  Close File
  SomePreciousResource.Release

  Exit Sub

ProcError:  
  MsgBox Err.Description  
  Resume ProcExit
End Sub

In typical usage (responses<2GB) it is not necessary to Dispose the HttpResponseMessages.

The return types of the HttpClient methods should be Disposed if their Stream Content is not fully Read. Otherwise there is no way for the CLR to know those Streams can be closed until they are garbage collected.

• If you are reading the data into a byte[] (e.g. GetByteArrayAsync) or string, all data is read, so there is no need to dispose.
• The other overloads will default to reading the Stream up to 2GB (HttpCompletionOption is ResponseContentRead, HttpClient.MaxResponseContentBufferSize default is 2GB)

If you set the HttpCompletionOption to ResponseHeadersRead or the response is larger than 2GB, you should clean up. This can be done by calling Dispose on the HttpResponseMessage or by calling Dispose/Close on the Stream obtained from the HttpResonseMessage Content or by reading the content completely.

Whether you call Dispose on the HttpClient depends on whether you want to cancel pending requests or not.

The Collection interface includes the toArray() method to convert a new collection into an array. There are two forms of this method. The no argument version will return the elements of the collection in an Object array: public Object[ ] toArray(). The returned array cannot cast to any other data type. This is the simplest version. The second version requires you to pass in the data type of the array you’d like to return: public Object [ ] toArray(Object type[ ]).

 public static void main(String[] args) {  
           List<String> l=new ArrayList<String>();  
           l.add("A");  
           l.add("B");  
           l.add("C");  
           Object arr[]=l.toArray();  
           for(Object a:arr)  
           {  
                String str=(String)a;  
                System.out.println(str);  
           }  
      }  

for reference, refer this link http://techno-terminal.blogspot.in/2015/11/how-to-obtain-array-from-arraylist.html

Beyond select(-one_of(drop_col_names)) demonstrated in earlier answers, there are a couple other dplyr options for dropping columns using select() that do not involve defining all the specific column names (using the dplyr starwars sample data for some variety in column names):

library(dplyr)
starwars %>% 
  select(-(name:mass)) %>%        # the range of columns from 'name' to 'mass'
  select(-contains('color')) %>%  # any column name that contains 'color'
  select(-starts_with('bi')) %>%  # any column name that starts with 'bi'
  select(-ends_with('er')) %>%    # any column name that ends with 'er'
  select(-matches('^f.+s$')) %>%  # any column name matching the regex pattern
  select_if(~!is.list(.)) %>%     # not by column name but by data type
  head(2)

# A tibble: 2 x 2
homeworld species
  <chr>     <chr>  
1 Tatooine  Human  
2 Tatooine  Droid 

If you need to drop a column that may or may not exist in the data frame, here's a slight twist using select_if() that unlike using one_of() will not throw an Unknown columns: warning if the column name does not exist. In this example 'bad_column' is not a column in the data frame:

starwars %>% 
  select_if(!names(.) %in% c('height', 'mass', 'bad_column'))

Other than explicitly copying, another approach is to make the object immutable (no set or other mutator methods). In this way the question never arises. Immutability becomes more difficult with larger objects, but that other side of that is that it pushes you in the direction of splitting into coherent small objects and composites.

sometimes whenever you copy cURL, it contains --compressed. Remove it while import->Paste Raw Text-->click on import. It will also solve the problem if you are getting the syntax error in postman while importing any cURL.

Generally, when people copy cURL from any proxy tools like Charles, it happens.

You're comparing strings. JavaScript compares the ASCII code for each character of the string.

To see why you get false, look at the charCodes:

"1300".charCodeAt(0);
49
"999".charCodeAt(0);
57

The comparison is false because, when comparing the strings, the character codes for 1 is not greater than that of 9.

The fix is to treat the strings as numbers. You can use a number of methods:

parseInt(string, radix)
parseInt("1300", 10);
> 1300 - notice the lack of quotes


+"1300"
> 1300


Number("1300")
> 1300

If you have USB-Debugging/ADB enabled on your phone and your PC is authorized for debugging on your phone then you can try one of the follwing tools:

scrcpy

scrcpy connects over adb to your device and executes a temporary app to stream the contents of your screen to your PC and you're able to remote control your device. It works on GNU/Linux, Windows and macOS.

Vysor

Vysor is a chrome web app that connects to your device via adb and installs a companion app to stream your screen content to the PC. You can then remote control your device with your mouse.

MonkeyRemote

MonkeyRemote is a remote control tool written by myself before I found Vysor. It also connects through adb and lets you control your device by mouse but in contrast to Vysor, the streamed screen content updates very slow (~1 frame per second). The upside is that there is no need for a companion app to be installed.

Copied from CLR via C# by Jeffrey Richter...

I often hear the question, “Should I design a base type or an interface?” The answer isn’t always clearcut.

Here are some guidelines that might help you:

¦¦ IS-A vs. CAN-DO relationship A type can inherit only one implementation. If the derived type can’t claim an IS-A relationship with the base type, don’t use a base type; use an interface. Interfaces imply a CAN-DO relationship. If the CAN-DO functionality appears to belong with various object types, use an interface. For example, a type can convert instances of itself to another type (IConvertible), a type can serialize an instance of itself (ISerializable), etc. Note that value types must be derived from System.ValueType, and therefore, they cannot be derived from an arbitrary base class. In this case, you must use a CAN-DO relationship and define an interface.

¦¦ Ease of use It’s generally easier for you as a developer to define a new type derived from a base type than to implement all of the methods of an interface. The base type can provide a lot of functionality, so the derived type probably needs only relatively small modifications to its behavior. If you supply an interface, the new type must implement all of the members.

¦¦ Consistent implementation No matter how well an interface contract is documented, it’s very unlikely that everyone will implement the contract 100 percent correctly. In fact, COM suffers from this very problem, which is why some COM objects work correctly only with Microsoft Word or with Windows Internet Explorer. By providing a base type with a good default implementation, you start off using a type that works and is well tested; you can then modify parts that need modification.

¦¦ Versioning If you add a method to the base type, the derived type inherits the new method, you start off using a type that works, and the user’s source code doesn’t even have to be recompiled. Adding a new member to an interface forces the inheritor of the interface to change its source code and recompile.

There's now a drop down (at least since VS 2017.3.5) where you can specifically select C++17. The available options are (under project > Properties > C/C++ > Language > C++ Language Standard)

• ISO C++14 Standard. msvc command line option: /std:c++14
• ISO C++17 Standard. msvc command line option: /std:c++17
• The latest draft standard. msvc command line option: /std:c++latest

(I bet, once C++20 is out and more fully supported by Visual Studio it will be /std:c++20)

Another option is to use uniqueResultOptional() method, which gives you Optional in result:

String hql="from DrawUnusedBalance where unusedBalanceDate= :today";
Query query=em.createQuery(hql);
query.setParameter("today",new LocalDate());

Optional<DrawUnusedBalance> drawUnusedBalance=query.uniqueResultOptional();

You can stash your local changes first, then pull, then pop the stash.

git stash
git pull origin master
git stash pop

Anything that overrides changes from remote will have conflicts which you will have to manually resolve.

Try This query:

SELECT 
  SUM(CASE datepart(month,ARR_DATE) WHEN 1 THEN 1 ELSE 0 END) AS 'January',
  SUM(CASE datepart(month,ARR_DATE) WHEN 2 THEN 1 ELSE 0 END) AS 'February',
  SUM(CASE datepart(month,ARR_DATE) WHEN 3 THEN 1 ELSE 0 END) AS 'March',
  SUM(CASE datepart(month,ARR_DATE) WHEN 4 THEN 1 ELSE 0 END) AS 'April',
  SUM(CASE datepart(month,ARR_DATE) WHEN 5 THEN 1 ELSE 0 END) AS 'May',
  SUM(CASE datepart(month,ARR_DATE) WHEN 6 THEN 1 ELSE 0 END) AS 'June',
  SUM(CASE datepart(month,ARR_DATE) WHEN 7 THEN 1 ELSE 0 END) AS 'July',
  SUM(CASE datepart(month,ARR_DATE) WHEN 8 THEN 1 ELSE 0 END) AS 'August',
  SUM(CASE datepart(month,ARR_DATE) WHEN 9 THEN 1 ELSE 0 END) AS 'September',
  SUM(CASE datepart(month,ARR_DATE) WHEN 10 THEN 1 ELSE 0 END) AS 'October',
  SUM(CASE datepart(month,ARR_DATE) WHEN 11 THEN 1 ELSE 0 END) AS 'November',
  SUM(CASE datepart(month,ARR_DATE) WHEN 12 THEN 1 ELSE 0 END) AS 'December',
  SUM(CASE datepart(year,ARR_DATE) WHEN 2012 THEN 1 ELSE 0 END) AS 'TOTAL'
FROM
    sometable
WHERE
  ARR_DATE BETWEEN '2012/01/01' AND '2012/12/31' 

Building on top of totiG's awesome answer, I have created an IBDesignable class that makes it extremely easy to customize a UILabel's vertical alignment right from the StoryBoard. Just make sure that you set your UILabel's class to 'VerticalAlignLabel' from the StoryBoard identity inspector. If the vertical alignment doesn't take effect, go to Editor->Refresh All Views which should do the trick.

How it works: Once you set your UILabel's class correctly, the storyboard should show you an input field that takes an integer (alignment code).

Update: I've added support for centered labels ~Sev

Enter 0 for Top Alignment

Enter 1 for Middle Alignment

Enter 2 for Bottom Alignment

    @IBDesignable class VerticalAlignLabel: UILabel {_x000D_
    _x000D_
    @IBInspectable var alignmentCode: Int = 0 {_x000D_
        didSet {_x000D_
            applyAlignmentCode()_x000D_
        }_x000D_
    }_x000D_
    _x000D_
    func applyAlignmentCode() {_x000D_
        switch alignmentCode {_x000D_
        case 0:_x000D_
            verticalAlignment = .top_x000D_
        case 1:_x000D_
            verticalAlignment = .topcenter_x000D_
        case 2:_x000D_
            verticalAlignment = .middle_x000D_
        case 3:_x000D_
            verticalAlignment = .bottom_x000D_
        default:_x000D_
            break_x000D_
        }_x000D_
    }_x000D_
    _x000D_
    override func awakeFromNib() {_x000D_
        super.awakeFromNib()_x000D_
        self.applyAlignmentCode()_x000D_
    }_x000D_
    _x000D_
    override func prepareForInterfaceBuilder() {_x000D_
        super.prepareForInterfaceBuilder()_x000D_
        _x000D_
        self.applyAlignmentCode()_x000D_
    }_x000D_
    _x000D_
    enum VerticalAlignment {_x000D_
        case top_x000D_
        case topcenter_x000D_
        case middle_x000D_
        case bottom_x000D_
    }_x000D_
    _x000D_
    var verticalAlignment : VerticalAlignment = .top {_x000D_
        didSet {_x000D_
            setNeedsDisplay()_x000D_
        }_x000D_
    }_x000D_
    _x000D_
    override public func textRect(forBounds bounds: CGRect, limitedToNumberOfLines: Int) -> CGRect {_x000D_
        let rect = super.textRect(forBounds: bounds, limitedToNumberOfLines: limitedToNumberOfLines)_x000D_
        _x000D_
        if #available(iOS 9.0, *) {_x000D_
            if UIView.userInterfaceLayoutDirection(for: .unspecified) == .rightToLeft {_x000D_
                switch verticalAlignment {_x000D_
                case .top:_x000D_
                    return CGRect(x: self.bounds.size.width - rect.size.width, y: bounds.origin.y, width: rect.size.width, height: rect.size.height)_x000D_
                case .topcenter:_x000D_
                    return CGRect(x: self.bounds.size.width - (rect.size.width / 2), y: bounds.origin.y, width: rect.size.width, height: rect.size.height)_x000D_
                case .middle:_x000D_
                    return CGRect(x: self.bounds.size.width - rect.size.width, y: bounds.origin.y + (bounds.size.height - rect.size.height) / 2, width: rect.size.width, height: rect.size.height)_x000D_
                case .bottom:_x000D_
                    return CGRect(x: self.bounds.size.width - rect.size.width, y: bounds.origin.y + (bounds.size.height - rect.size.height), width: rect.size.width, height: rect.size.height)_x000D_
                }_x000D_
            } else {_x000D_
                switch verticalAlignment {_x000D_
                case .top:_x000D_
                    return CGRect(x: bounds.origin.x, y: bounds.origin.y, width: rect.size.width, height: rect.size.height)_x000D_
                case .topcenter:_x000D_
                    return CGRect(x: (self.bounds.size.width / 2 ) - (rect.size.width / 2), y: bounds.origin.y, width: rect.size.width, height: rect.size.height)_x000D_
                case .middle:_x000D_
                    return CGRect(x: bounds.origin.x, y: bounds.origin.y + (bounds.size.height - rect.size.height) / 2, width: rect.size.width, height: rect.size.height)_x000D_
                case .bottom:_x000D_
                    return CGRect(x: bounds.origin.x, y: bounds.origin.y + (bounds.size.height - rect.size.height), width: rect.size.width, height: rect.size.height)_x000D_
                }_x000D_
            }_x000D_
        } else {_x000D_
            // Fallback on earlier versions_x000D_
            return rect_x000D_
        }_x000D_
    }_x000D_
    _x000D_
    override public func drawText(in rect: CGRect) {_x000D_
        let r = self.textRect(forBounds: rect, limitedToNumberOfLines: self.numberOfLines)_x000D_
        super.drawText(in: r)_x000D_
    }_x000D_
}

Mongoose maintainer here. You need to set the new option to true (or, equivalently, returnOriginal to false)

await User.findOneAndUpdate(filter, update, { new: true });

// Equivalent
await User.findOneAndUpdate(filter, update, { returnOriginal: false });

See Mongoose findOneAndUpdate() docs and this tutorial on updating documents in Mongoose.

As Integer.toHexString(byte/integer) is not working when you are trying to convert signed bytes like UTF-16 decoded characters you have to use:

Integer.toString(byte/integer, 16);

or

String.format("%02X", byte/integer);

reverse you can use

Integer.parseInt(hexString, 16);

Just to help those in a similar situation to myself...

This can be caused when a dependent library has accidentally bundled an old version of slf4j. In my case, it was tika-0.8. See https://issues.apache.org/jira/browse/TIKA-556

The workaround is exclude the component and then manually depends on the correct, or patched version.

EG.

<dependency>
    <groupId>org.apache.tika</groupId>
    <artifactId>tika-parsers</artifactId>
    <version>0.8</version>
    <exclusions>
        <exclusion>
            <!-- NOTE: Version 4.2 has bundled slf4j -->
            <groupId>edu.ucar</groupId>
            <artifactId>netcdf</artifactId>
        </exclusion>
    </exclusions>
</dependency>
<dependency>
    <!-- Patched version 4.2-min does not bundle slf4j -->
    <groupId>edu.ucar</groupId>
    <artifactId>netcdf</artifactId>
    <version>4.2-min</version>
</dependency>

Thanks for all the answers everyone! I have found a solution, turns out I didn't provide enough code in my question.

The problem was NOT with the click() function after all, but instead related to cas authentication used with my project. In Selenium IDE my login test executed a "open" command to the following location,

/cas/login?service=https%1F%8FAPPNAME%2FMOREURL%2Fj_spring_cas_security

That worked. I exported the test to Selenium webdriver which naturally preserved that location. The command in Selenium Webdriver was,

driver.get(baseUrl + "/cas/login?service=https%1A%2F%8FAPPNAME%2FMOREURL%2Fj_spring_cas_security");

For reasons I have yet to understand the above failed. When I changed it to,

driver.get(baseUrl + "MOREURL/");

The click command suddenly started to work... I will edit this answer if I can figure out why exactly this is.

Note: I obscured the URLs used above to protect my company's product.

If you are using Bearing Token Auth, the above samples do not return an Application User.

Instead, use this:

ClaimsPrincipal currentUser = this.User;
var currentUserName = currentUser.FindFirst(ClaimTypes.NameIdentifier).Value;
ApplicationUser user = await _userManager.FindByNameAsync(currentUserName);

This works in apsnetcore 2.0. Have not tried in earlier versions.

You can always use Array.prototype.reverse()

var data = _.sortBy(array_of_objects, ['type', 'name']).reverse();

I have a windows 8.1 machine and mysql was not running at all even after trying to start mysqld with no error logs. This solution worked for me:

1. start cmd in admin mode
2. type in "net start mysql"
3. close current cmd window and open new cmd window
4. type in "mysql"

The mysqld service should now be available.

Are you using php 5.4 on your local? the render line is using the new way of initializing arrays. Try replacing ["title" => "Welcome "] with array("title" => "Welcome ")

'It' requires a dll file called cvextern.dll . 'It' can be either your own cs file or some other third party dll which you are using in your project.

To call native dlls to your own cs file, copy the dll into your project's root\lib directory and add it as an existing item. (Add -Existing item) and use Dllimport with correct location.

For third party , copy the native library to the folder where the third party library resides and add it as an existing item.

After building make sure that the required dlls are appearing in Build folder. In some cases it may not appear or get replaced in Build folder. Delete the Build folder manually and build again.

(1) If you are on the Window system.

Open the command prompt.

 dotnet --version

(2) Run the below command If you are on Linux system.

dotnet --version

dotnet --info

json = " { \"success\" : false, \"errors\": { \"text\" : \"??????!\" } }";            
return new MemoryStream(Encoding.UTF8.GetBytes(json));

I had to implement CoordinatorLayout with toolbar scrolling and it just took me all the day messing around this. I've got it working by removing NestedScrollView at all. So I'm just using RelativeLayout at the root.

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout 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.support.v7.widget.RecyclerView
            android:id="@+id/rv_nearby"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            app:layout_behavior="@string/appbar_scrolling_view_behavior" />

</RelativeLayout>

You need to add an additional parameter:

$http.get(url).then(
    function(response) {
        console.log('get',response)
    },
    function(data) {
        // Handle error here
    })

I've got a solution that is 100% compatible with the hex format strings used by Android, which I found very helpful when doing cross-platform mobile development. It lets me use one color palate for both platforms. Feel free to reuse without attribution, or under the Apache license if you prefer.

#import "UIColor+HexString.h"

@interface UIColor(HexString)

+ (UIColor *) colorWithHexString: (NSString *) hexString;
+ (CGFloat) colorComponentFrom: (NSString *) string start: (NSUInteger) start length: (NSUInteger) length;

@end


@implementation UIColor(HexString)

+ (UIColor *) colorWithHexString: (NSString *) hexString {
    NSString *colorString = [[hexString stringByReplacingOccurrencesOfString: @"#" withString: @""] uppercaseString];
    CGFloat alpha, red, blue, green;
    switch ([colorString length]) {
        case 3: // #RGB
            alpha = 1.0f;
            red   = [self colorComponentFrom: colorString start: 0 length: 1];
            green = [self colorComponentFrom: colorString start: 1 length: 1];
            blue  = [self colorComponentFrom: colorString start: 2 length: 1];
            break;
        case 4: // #ARGB
            alpha = [self colorComponentFrom: colorString start: 0 length: 1];
            red   = [self colorComponentFrom: colorString start: 1 length: 1];
            green = [self colorComponentFrom: colorString start: 2 length: 1];
            blue  = [self colorComponentFrom: colorString start: 3 length: 1];          
            break;
        case 6: // #RRGGBB
            alpha = 1.0f;
            red   = [self colorComponentFrom: colorString start: 0 length: 2];
            green = [self colorComponentFrom: colorString start: 2 length: 2];
            blue  = [self colorComponentFrom: colorString start: 4 length: 2];                      
            break;
        case 8: // #AARRGGBB
            alpha = [self colorComponentFrom: colorString start: 0 length: 2];
            red   = [self colorComponentFrom: colorString start: 2 length: 2];
            green = [self colorComponentFrom: colorString start: 4 length: 2];
            blue  = [self colorComponentFrom: colorString start: 6 length: 2];                      
            break;
        default:
            [NSException raise:@"Invalid color value" format: @"Color value %@ is invalid.  It should be a hex value of the form #RBG, #ARGB, #RRGGBB, or #AARRGGBB", hexString];
            break;
    }
    return [UIColor colorWithRed: red green: green blue: blue alpha: alpha];
}

+ (CGFloat) colorComponentFrom: (NSString *) string start: (NSUInteger) start length: (NSUInteger) length {
    NSString *substring = [string substringWithRange: NSMakeRange(start, length)];
    NSString *fullHex = length == 2 ? substring : [NSString stringWithFormat: @"%@%@", substring, substring];
    unsigned hexComponent;
    [[NSScanner scannerWithString: fullHex] scanHexInt: &hexComponent];
    return hexComponent / 255.0;
}

@end 

Best solution work for me for permanent change path

Open Finder-> go to folder /Users/ /usr/local/bin

open .zshrc with TextEdit

.zshrc is hidden file so unhide it by command+shift+. press

delete file content and type

export PATH=~/usr/bin:/bin:/usr/sbin:/sbin:$PATH

and save

now

zsh: command not found Gone

To get round some of the issues/problems that have ben highlighted I would suggest converting the string to lower case first and then call the ToTitleCase method. You could then use IndexOf(" Mc") or IndexOf(" O\'") to determine special cases that need more specific attention.

inputString = inputString.ToLower();
inputString = CultureInfo.CurrentCulture.TextInfo.ToTitleCase(inputString);
int indexOfMc = inputString.IndexOf(" Mc");
if(indexOfMc  > 0)
{
   inputString.Substring(0, indexOfMc + 3) + inputString[indexOfMc + 3].ToString().ToUpper() + inputString.Substring(indexOfMc + 4);
}

You can not use where clause with aggregate functions because where fetch records on the basis of condition, it goes into table record by record and then fetch record on the basis of condition we have give. So that time we can not where clause. While having clause works on the resultSet which we finally get after running a query.

Example query:

select empName, sum(Bonus) 
from employees 
order by empName 
having sum(Bonus) > 5000;

This will store the resultSet in a temporary memory, then having clause will perform its work. So we can easily use aggregate functions here.

The question is, can . pattern match any character? The answer varies from engine to engine. The main difference is whether the pattern is used by a POSIX or non-POSIX regex library.

Special note about lua-patterns: they are not considered regular expressions, but . matches any char there, same as POSIX based engines.

Another note on matlab and octave: the . matches any char by default (demo): str = "abcde\n fghij<Foobar>"; expression = '(.*)<Foobar>*'; [tokens,matches] = regexp(str,expression,'tokens','match'); (tokens contain a abcde\n fghij item).

Also, in all of boost's regex grammars the dot matches line breaks by default. Boost's ECMAScript grammar allows you to turn this off with regex_constants::no_mod_m (source).

As for oracle (it is POSIX based), use n option (demo): select regexp_substr('abcde' || chr(10) ||' fghij<Foobar>', '(.*)<Foobar>', 1, 1, 'n', 1) as results from dual

POSIX-based engines:

A mere . already matches line breaks, no need to use any modifiers, see bash (demo).

The tcl (demo), postgresql (demo), r (TRE, base R default engine with no perl=TRUE, for base R with perl=TRUE or for stringr/stringi patterns, use the (?s) inline modifier) (demo) also treat . the same way.

However, most POSIX based tools process input line by line. Hence, . does not match the line breaks just because they are not in scope. Here are some examples how to override this:

• sed - There are multiple workarounds, the most precise but not very safe is sed 'H;1h;$!d;x; s/\(.*\)><Foobar>/\1/' (H;1h;$!d;x; slurps the file into memory). If whole lines must be included, sed '/start_pattern/,/end_pattern/d' file (removing from start will end with matched lines included) or sed '/start_pattern/,/end_pattern/{{//!d;};}' file (with matching lines excluded) can be considered.
• perl - perl -0pe 's/(.*)<FooBar>/$1/gs' <<< "$str" (-0 slurps the whole file into memory, -p prints the file after applying the script given by -e). Note that using -000pe will slurp the file and activate 'paragraph mode' where Perl uses consecutive newlines (\n\n) as the record separator.
• gnu-grep - grep -Poz '(?si)abc\K.*?(?=<Foobar>)' file. Here, z enables file slurping, (?s) enables the DOTALL mode for the . pattern, (?i) enables case insensitive mode, \K omits the text matched so far, *? is a lazy quantifier, (?=<Foobar>) matches the location before <Foobar>.
• pcregrep - pcregrep -Mi "(?si)abc\K.*?(?=<Foobar>)" file (M enables file slurping here). Note pcregrep is a good solution for Mac OS grep users.

See demos.

Non-POSIX-based engines:

• php - Use s modifier PCRE_DOTALL modifier: preg_match('~(.*)<Foobar>~s', $s, $m) (demo)
• c# - Use RegexOptions.Singleline flag (demo):
  - var result = Regex.Match(s, @"(.*)<Foobar>", RegexOptions.Singleline).Groups[1].Value;
  - var result = Regex.Match(s, @"(?s)(.*)<Foobar>").Groups[1].Value;
• powershell - Use (?s) inline option: $s = "abcde`nfghij<FooBar>"; $s -match "(?s)(.*)<Foobar>"; $matches[1]
• perl - Use s modifier (or (?s) inline version at the start) (demo): /(.*)<FooBar>/s
• python - Use re.DOTALL (or re.S) flags or (?s) inline modifier (demo): m = re.search(r"(.*)<FooBar>", s, flags=re.S) (and then if m:, print(m.group(1)))
• java - Use Pattern.DOTALL modifier (or inline (?s) flag) (demo): Pattern.compile("(.*)<FooBar>", Pattern.DOTALL)
• groovy - Use (?s) in-pattern modifier (demo): regex = /(?s)(.*)<FooBar>/
• scala - Use (?s) modifier (demo): "(?s)(.*)<Foobar>".r.findAllIn("abcde\n fghij<Foobar>").matchData foreach { m => println(m.group(1)) }
• javascript - Use [^] or workarounds [\d\D] / [\w\W] / [\s\S] (demo): s.match(/([\s\S]*)<FooBar>/)[1]
• c++ (std::regex) Use [\s\S] or the JS workarounds (demo): regex rex(R"(([\s\S]*)<FooBar>)");

• vba vbscript - Use the same approach as in JavaScript, ([\s\S]*)<Foobar>. (NOTE: The MultiLine property of the RegExp object is sometimes erroneously thought to be the option to allow . match across line breaks, while, in fact, it only changes the ^ and $ behavior to match start/end of lines rather than strings, same as in JS regex) behavior.)

• ruby - Use /m MULTILINE modifier (demo): s[/(.*)<Foobar>/m, 1]

• rtrebase-r - Base R PCRE regexps - use (?s): regmatches(x, regexec("(?s)(.*)<FooBar>",x, perl=TRUE))[[1]][2] (demo)
• ricustringrstringi - in stringr/stringi regex funtions that are powered with ICU regex engine, also use (?s): stringr::str_match(x, "(?s)(.*)<FooBar>")[,2] (demo)
• go - Use the inline modifier (?s) at the start (demo): re: = regexp.MustCompile(`(?s)(.*)<FooBar>`)
• swift - Use dotMatchesLineSeparators or (easier) pass the (?s) inline modifier to the pattern: let rx = "(?s)(.*)<Foobar>"
• objective-c - Same as Swift, (?s) works the easiest, but here is how the option can be used: NSRegularExpression* regex = [NSRegularExpression regularExpressionWithPattern:pattern options:NSRegularExpressionDotMatchesLineSeparators error:&regexError];
• re2, google-apps-script - Use (?s) modifier (demo): "(?s)(.*)<Foobar>" (in Google Spreadsheets, =REGEXEXTRACT(A2,"(?s)(.*)<Foobar>"))

NOTES ON (?s):

In most non-POSIX engines, (?s) inline modifier (or embedded flag option) can be used to enforce . to match line breaks.

If placed at the start of the pattern, (?s) changes the bahavior of all . in the pattern. If the (?s) is placed somewhere after the beginning, only those . will be affected that are located to the right of it unless this is a pattern passed to Python re. In Python re, regardless of the (?s) location, the whole pattern . are affected. The (?s) effect is stopped using (?-s). A modified group can be used to only affect a specified range of a regex pattern (e.g. Delim1(?s:.*?)\nDelim2.* will make the first .*? match across newlines and the second .* will only match the rest of the line).

POSIX note:

In non-POSIX regex engines, to match any char, [\s\S] / [\d\D] / [\w\W] constructs can be used.

In POSIX, [\s\S] is not matching any char (as in JavaScript or any non-POSIX engine) because regex escape sequences are not supported inside bracket expressions. [\s\S] is parsed as bracket expressions that match a single char, \ or s or S.

TL;DR: All well written web sites (/apps) must emit the header X-XSS-Protection: 0 and just forget about this feature. If you want to have extra security that better user agents can provide, use a strict Content-Security-Policy header.

Long answer:

HTTP header X-XSS-Protection is one of those things that Microsoft introduced in Internet Explorer 8.0 (MSIE 8) that was supposed to improve security of incorrectly written web sites.

The idea is to apply some kind of heuristics to try to detect reflection XSS attack and automatically neuter the attack.

The problematic part of this is "heuristics" and "neutering". The heuristics causes false positives and neutering cannot be safely done because it causes side-effects that can be used to implement XSS attacks and DoS attacks on perfectly safe web sites.

The bad part is that if a web site does not emit the header X-XSS-Protection then the browser will behave as if the header X-XSS-Protection: 1 had been emitted. The worst part is that this value is the least-safe value of all possible values for this header!

For a given secure web site (that is, the site does not have reflected XSS vulnerabilities) this "XSS protection" feature allows following attacks:

X-XSS-Protection: 1 allows attacker to selectively block parts of JavaScript and keep rest of the scripts running. This is possible because the heuristics of this feature are simply "if value of any GET parameter is found in the scripting part of the page source, the script will be automatically modified in user agent dependant way". In practice, the attacker can e.g. add parameter disablexss=<script src="framebuster.js" and the browser will automatically remove the string <script src="framebuster.js" from the actual page source. Note that the rest of the page continues run and the attacker just removed this part of page security. In practice, any JS in the page source can be modified. For some cases, a page without XSS vulnerability having reflected content can be used to run selected JavaScript on page due the neutering incorrectly turning plain text data into executable JavaScript code. (That is, turn textual data within a normal DOM text node into content of <script> tag and execute it!)

X-XSS-Protection: 1; mode=block allows attacker to leak data from the page source by using the behavior of the page as side-channel. For example, if the page contains JavaScript code along the lines of var csrf_secret="521231347843", the attacker simply adds an extra parameter e.g. leak=var%20csrf_secret="3 and if the page is NOT blocked, the 3 was incorrect first digit. The attacker tries again, this time leak=var%20csrf_secret="5 and the page loading will be aborted. This allows the attacker to know that the first digit of the secret is 5. The attacker then continues to guess the next digit. This allows easily brute-forcing of CSRF secrets or any other secret value in the <script> source.

In the end, if your site is full of XSS reflection attacks, using the default value of 1 will reduce the attack surface a little bit. However, if your site is secure and you don't emit X-XSS-Protection: 0, your site will be vulnerable with any browser that supports this feature. If you want defense in depth support from browsers against yet-unknown XSS vulnerabilities on your site, use a strict Content-Security-Policy header and keep sending 0 for this mis-feature. That doesn't open your site to any known vulnerabilities.

Currently this feature is enabled by default in MSIE, Safari and Google Chrome. This used to be enabled in Edge but Microsoft already removed this mis-feature from Edge. Mozilla Firefox never implemented this.

See also:

https://homakov.blogspot.com/2013/02/hacking-facebook-with-oauth2-and-chrome.html https://blog.innerht.ml/the-misunderstood-x-xss-protection/ http://p42.us/ie8xss/Abusing_IE8s_XSS_Filters.pdf https://www.slideshare.net/masatokinugawa/xxn-en https://bugs.chromium.org/p/chromium/issues/detail?id=396544 https://bugs.chromium.org/p/chromium/issues/detail?id=498982

Use the "indirect" function on conditional formatting.

1. Select Conditional Formatting
2. Select New Rule
3. Select "Use a Formula to determine which cells to format"
4. Enter the Formula, =INDIRECT("g"&ROW())="X"
5. Enter the Format you want (text color, fill color, etc).
6. Select OK to save the new format
7. Open "Manage Rules" in Conditional Formatting
8. Select "This Worksheet" if you can't see your new rule.
9. In the "Applies to" box of your new rule, enter =$A$1:$Z$1500 (or however wide/long you want the conditional formatting to extend depending on your worksheet)

For every row in the G column that has an X, it will now turn to the format you specified. If there isn't an X in the column, the row won't be formatted.

You can repeat this to do multiple row formatting depending on a column value. Just change either the g column or x specific text in the formula and set different formats.

For example, if you add a new rule with the formula, =INDIRECT("h"&ROW())="CAR", then it will format every row that has CAR in the H Column as the format you specified.

I think you are confused about how the compiler puts things together. When you use -c flag, i.e. no linking is done, the input is C++ code, and the output is object code. The .o files thus don't mix with -c, and compiler warns you about that. Symbols from object file are not moved to other object files like that.

All object files should be on the final linker invocation, which is not the case here, so linker (called via g++ front-end) complains about missing symbols.

Here's a small example (calling g++ explicitly for clarity):

PROG ?= myprog
OBJS = worker.o main.o

all: $(PROG)

.cpp.o:
        g++ -Wall -pedantic -ggdb -O2 -c -o $@ $<

$(PROG): $(OBJS)
        g++ -Wall -pedantic -ggdb -O2 -o $@ $(OBJS)

There's also makedepend utility that comes with X11 - helps a lot with source code dependencies. You might also want to look at the -M gcc option for building make rules.

I had this error too, my problem was in some part of code I didn't close file descriptor and in other part, I tried to open that file!! use close(fd) system call after you finished working on a file.

As of PHP >= 5.4.0

$translatedString = transliterator_transliterate('Any-Latin; Latin-ASCII; [\u0080-\u7fff] remove', $string);

date +%Y:%m:%d|awk -vFS=":" -vOFS=":" '{$3=$3-1;print}'
2009:11:9

R.id.*, since ADT 14 are not more declared as final static int so you can not use in switch case construct. You could use if else clause instead.

Keeping the NAT adapter and adding a second host-only adapter works amazing, and is crucial for laptops (where the external network always changes).

http://muffinresearch.co.uk/archives/2010/02/08/howto-ssh-into-virtualbox-3-linux-guests/

Remember to create a host-only network in virtualbox itself (GUI -> settings -> network), otherwise you can't create the host-only interface on the guest.

It is very simple.

HTML

<link rel="stylesheet" href="https://www.w3schools.com/w3css/4/w3.css">

<body>

  <div id="cover"> <span class="glyphicon glyphicon-refresh w3-spin preloader-Icon"></span>Please Wait, Loading…</div>

  <h1>Dom Loaded</h1>
</body>

CSS

#cover {
  position: fixed;
  height: 100%;
  width: 100%;
  top: 0;
  left: 0;
  background: #141526;
  z-index: 9999;
  font-size: 65px;
  text-align: center;
  padding-top: 200px;
  color: #fff;
  font-family:tahoma;
}

JS - JQuery

$(window).on('load', function () {
  $("#cover").fadeOut(1750);
});

It's not exactly what you are asking, but:

The -T key would help people who are using docker-compose exec!

docker-compose -f /srv/backend_bigdata/local.yml exec -T postgres backup

1. Go to File >> Settings >> Plugins and install the plugin PyCharm cell mode
2. Go to File >> Settings >> Appearance & Behavior >> Keymap and assign your keyboard shortcuts for Run Cell and Run Cell and go to next

A cell is delimited by ##

Ref https://plugins.jetbrains.com/plugin/7858-pycharm-cell-mode

If I understand you need following code. (passing expression lambda by parameter) The Method

public static void Method(Expression<Func<int, bool>> predicate) { 
    int[] number={1,2,3,4,5,6,7,8,9,10};
    var newList = from x in number
                  .Where(predicate.Compile()) //here compile your clausuly
                  select x;
                newList.ToList();//return a new list
    }

Calling method

Method(v => v.Equals(1));

You can do the same in their class, see this is example.

public string Name {get;set;}

public static List<Class> GetList(Expression<Func<Class, bool>> predicate)
    {
        List<Class> c = new List<Class>();
        c.Add(new Class("name1"));
        c.Add(new Class("name2"));

        var f = from g in c.
                Where (predicate.Compile())
                select g;
        f.ToList();

       return f;
    }

Calling method

Class.GetList(c=>c.Name=="yourname");

I hope this is useful

$(".radioValue").css({"background-color":"-webkit-linear-gradient(#e9e9e9,rgba(255, 255, 255, 0.43137254901960786),#e9e9e9)","color":"#454545", "padding": "8px"});

Functionally, you should be able to use

SELECT column_name
  FROM table_name
 WHERE TRIM(column_name) IS NULL

The problem there is that an index on COLUMN_NAME would not be used. You would need to have a function-based index on TRIM(column_name) if that is a selective condition.

These days we don't have to call the constructor inside the component - we can directly call state={something:""}, otherwise previously first we have do declare constructor with super() to inherit every thing from React.Component class then inside constructor we initialize our state.

If using React.createClass then define initialize state with the getInitialState method.

If nothing worked for you, make sure the file is not open in another program. I was trying to import an xlsx file and Excel was blocking me from doing so.

When people say don't put logic in views, they're usually referring to business logic, not rendering logic. In my humble opinion, I think using @foreach in views is perfectly fine.

position: fixed does work on android/iphone for vertical scrolling. But you need to make sure your meta tags are fully set. e.g

<meta name="viewport" content="width=device-width, height=device-height, initial-scale=1.0, user-scalable=0, minimum-scale=1.0, maximum-scale=1.0">

Also if you're planning on having the same page work on android pre 4.0, you need to set the top position also, or a small margin will be added for some reason.

Oddly it looks like the other two answers don't spell it out, and it's definitely worth saying:

i++ means 'tell me the value of i, then increment'

++i means 'increment i, then tell me the value'

They are Pre-increment, post-increment operators. In both cases the variable is incremented, but if you were to take the value of both expressions in exactly the same cases, the result will differ.

I don't know if this is 'efficient', but it also works:

x = [1,2,3,4]
x.insert(0,x.pop())

EDIT: Hello again, I just found a big problem with this solution! Consider the following code:

class MyClass():
    def __init__(self):
        self.classlist = []

    def shift_classlist(self): # right-shift-operation
        self.classlist.insert(0, self.classlist.pop())

if __name__ == '__main__':
    otherlist = [1,2,3]
    x = MyClass()

    # this is where kind of a magic link is created...
    x.classlist = otherlist

    for ii in xrange(2): # just to do it 2 times
        print '\n\n\nbefore shift:'
        print '     x.classlist =', x.classlist
        print '     otherlist =', otherlist
        x.shift_classlist() 
        print 'after shift:'
        print '     x.classlist =', x.classlist
        print '     otherlist =', otherlist, '<-- SHOULD NOT HAVE BIN CHANGED!'

The shift_classlist() method executes the same code as my x.insert(0,x.pop())-solution, otherlist is a list indipendent from the class. After passing the content of otherlist to the MyClass.classlist list, calling the shift_classlist() also changes the otherlist list:

CONSOLE OUTPUT:

before shift:
     x.classlist = [1, 2, 3]
     otherlist = [1, 2, 3]
after shift:
     x.classlist = [3, 1, 2]
     otherlist = [3, 1, 2] <-- SHOULD NOT HAVE BIN CHANGED!



before shift:
     x.classlist = [3, 1, 2]
     otherlist = [3, 1, 2]
after shift:
     x.classlist = [2, 3, 1]
     otherlist = [2, 3, 1] <-- SHOULD NOT HAVE BIN CHANGED!

I use Python 2.7. I don't know if thats a bug, but I think it's more likely that I missunderstood something here.

Does anyone of you know why this happens?

If you are using lodash, it could be as simple as this:

var arr = _.values(obj);

I tried using a CLR function and it was more than twice as fast as BCP. Here's my code.

Original Method:

SET @bcpCommand = 'bcp "SELECT blobcolumn FROM blobtable WHERE ID = ' + CAST(@FileID AS VARCHAR(20)) + '" queryout "' + @FileName + '" -T -c'
EXEC master..xp_cmdshell @bcpCommand

CLR Method:

declare @file varbinary(max) = (select blobcolumn from blobtable WHERE ID = @fileid)
declare @filepath nvarchar(4000) = N'c:\temp\' + @FileName
SELECT Master.dbo.WriteToFile(@file, @filepath, 0)

C# Code for the CLR function

using System;
using System.Data;
using System.Data.SqlTypes;
using System.IO;
using Microsoft.SqlServer.Server;

namespace BlobExport
{
    public class Functions
    {
      [SqlFunction]
      public static SqlString WriteToFile(SqlBytes binary, SqlString path, SqlBoolean append)
      {        
        try
        {
          if (!binary.IsNull && !path.IsNull && !append.IsNull)
          {         
            var dir = Path.GetDirectoryName(path.Value);           
            if (!Directory.Exists(dir))              
              Directory.CreateDirectory(dir);            
              using (var fs = new FileStream(path.Value, append ? FileMode.Append : FileMode.OpenOrCreate))
            {
                byte[] byteArr = binary.Value;
                for (int i = 0; i < byteArr.Length; i++)
                {
                    fs.WriteByte(byteArr[i]);
                };
            }
            return "SUCCESS";
          }
          else
             "NULL INPUT";
        }
        catch (Exception ex)
        {          
          return ex.Message;
        }
      }
    }
}

int main()
{
  int size;

  std::cin >> size;

  int *array = new int[size];

  delete [] array;

  return 0;
}

Don't forget to delete every array you allocate with new.

I don't know much about jQuery, but try this:

row_id = "#5";
row = $("body").find(row_id);

Edit: Of course, if the variable is a number, you have to add "#" to the front:

row_id = 5
row = $("body").find("#"+row_id);

My approach:

• define a default constraint on the ModDate column with a value of GETDATE() - this handles the INSERT case

• have a AFTER UPDATE trigger to update the ModDate column

Something like:

CREATE TRIGGER trg_UpdateTimeEntry
ON dbo.TimeEntry
AFTER UPDATE
AS
    UPDATE dbo.TimeEntry
    SET ModDate = GETDATE()
    WHERE ID IN (SELECT DISTINCT ID FROM Inserted)

You've changed your scheme destination to a simulator instead of Generic iOS Device.

That's why it is greyed out.

Use nnz instead of sum. No need for the double call to collapse matrices to vectors and it is likely faster than sum.

nnz(your_matrix == 5)

Doc

It sounds like you have a problem with your dsn or odbc data source.

Try bypassing the dsn first and connect using:

TDSVER=8.0 tsql -S *serverIPAddress* -U *username* -P *password*

If that works, you know its an issue with your dsn or with freetds using your dsn. Also, it is possible that your tds version is not compatible with your server. You might want to try other TDSVER settings (5.0, 7.0, 7.1).

 $A = array('a' => 1, 'b' => 2, 'c' => 3);
 $B = array('c' => 4, 'd'=> 5);
 $C = array_merge_recursive($A, $B);
 $aWhere = array();
 foreach ($C as $k=>$v) {

    if (is_array($v)) {
        $aWhere[] = $k . ' in ('.implode(', ',$v).')';
    }
    else {
        $aWhere[] = $k . ' = ' . $v;
    }
 }
 $where = implode(' AND ', $aWhere);
 echo $where;

no one says that you also have to have mod_headers enabled, so if still not working, try this:

(following tips works on Ubuntu, don't know about other distributions)

you can check list of loaded modules with

apache2ctl -M

to enable mod_headers you can use

a2enmod headers

of course after any changes in Apache you have to restart it:

/etc/init.d/apache2 restart

Then you can use

<IfModule mod_headers.c>
    Header set Access-Control-Allow-Origin "*"
</IfModule>

And if mod_headers is not active, this line will do nothing at all. You can try skip if clause and just add Header set Access-Control-Allow-Origin "*" in your config, then it should throw error during start if mod_headers is not active.

Another option would be using flexbox.

While it's not supported by IE8 and IE9, you could consider:

• Not minding about those old IE versions
• Providing a fallback
• Using a polyfill

Despite some additional browser-specific style prefixing would be necessary for full cross-browser support, you can see the basic usage either on this fiddle and on the following snippet:

html {_x000D_
  height: 100%;_x000D_
}_x000D_
html body {_x000D_
  height: 100%;_x000D_
  overflow: hidden;_x000D_
  display: flex;_x000D_
  flex-direction: column;_x000D_
}_x000D_
html body .container-fluid.body-content {_x000D_
  width: 100%;_x000D_
  overflow-y: auto;_x000D_
}_x000D_
header {_x000D_
    background-color: #4C4;_x000D_
    min-height: 50px;_x000D_
    width: 100%;_x000D_
}_x000D_
footer {_x000D_
    background-color: #4C4;_x000D_
    min-height: 30px;_x000D_
    width: 100%;_x000D_
}

<link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.2/css/bootstrap.min.css" rel="stylesheet"/>_x000D_
<header></header>_x000D_
<div class="container-fluid body-content">_x000D_
  Lorem Ipsum<br/>Lorem Ipsum<br/>Lorem Ipsum<br/>Lorem Ipsum<br/>Lorem Ipsum<br/>_x000D_
  Lorem Ipsum<br/>Lorem Ipsum<br/>Lorem Ipsum<br/>Lorem Ipsum<br/>Lorem Ipsum<br/>_x000D_
  Lorem Ipsum<br/>Lorem Ipsum<br/>Lorem Ipsum<br/>Lorem Ipsum<br/>Lorem Ipsum<br/>_x000D_
  Lorem Ipsum<br/>Lorem Ipsum<br/>Lorem Ipsum<br/>Lorem Ipsum<br/>Lorem Ipsum<br/>_x000D_
  Lorem Ipsum<br/>Lorem Ipsum<br/>Lorem Ipsum<br/>Lorem Ipsum<br/>Lorem Ipsum<br/>_x000D_
</div>_x000D_
<footer></footer>

HTML

<h1> Target Bar Elements </h1>

<div class="foo">Foo Element</div>
<div class="bar">Bar Element</div>
<div class="baz">Baz Element</div>
<div class="bar">Bar Second Element</div>
<div class="jar">Jar Element</div>
<div class="kar">Kar Element</div>
<div class="bar">Bar Third Element</div>

CSS

.bar {background:red;}
.bar~.bar {background:green;}
.bar~.bar~.bar {background:yellow;}

DEMO https://jsfiddle.net/ssuryar/6ka13xve/

To check Clustered Index exist on particular table or not:

SELECT * FROM SYS.indexes 
WHERE index_id = 1 AND name IN (SELECT CONSTRAINT_NAME FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS WHERE TABLE_NAME = 'Table_Name')

The third row you expect (the one with Powerpoint) is filtered out by the Computer.ID = 1 condition (try running the query with the Computer.ID = 1 or Computer.ID is null it to see what happens).

However, dropping that condition would not make sense, because after all, we want the list for a given Computer.

The only solution I see is performing a UNION between your original query and a new query that retrieves the list of application that are not found on that Computer.

The query might look like this:

DECLARE @ComputerId int
SET @ComputerId = 1

-- your original query
SELECT Computer.ComputerName, Application.Name, Software.Version
    FROM Computer
    JOIN dbo.Software_Computer
        ON Computer.ID = Software_Computer.ComputerID
    JOIN dbo.Software
        ON Software_Computer.SoftwareID = Software.ID
    RIGHT JOIN dbo.Application
        ON Application.ID = Software.ApplicationID
    WHERE Computer.ID = @ComputerId

UNION

-- query that retrieves the applications not installed on the given computer
SELECT Computer.ComputerName, Application.Name, NULL as Version
FROM Computer, Application
WHERE Application.ID not in 
    (
        SELECT s.ApplicationId
        FROM Software_Computer sc
        LEFT JOIN Software s on s.ID = sc.SoftwareId
        WHERE sc.ComputerId = @ComputerId
    )
AND Computer.id = @ComputerId

There is a significant different in how jQuery handles the this variable with a "on" method

$("outer DOM element").on('click',"inner DOM element",function(){
  $(this) // refers to the "inner DOM element"
})

If you compare this with :-

$("outer DOM element").click(function(){
  $(this) // refers to the "outer DOM element"
})