Here is my simplistic log4j2.xml that prints to console and writes to a daily rolling file:

// java
private static final Logger LOGGER = LogManager.getLogger(MyClass.class);


// log4j2.xml
<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="WARN">
    <Properties>
        <Property name="logPath">target/cucumber-logs</Property>
        <Property name="rollingFileName">cucumber</Property>
    </Properties>
    <Appenders>
        <Console name="console" target="SYSTEM_OUT">
            <PatternLayout pattern="[%highlight{%-5level}] %d{DEFAULT} %c{1}.%M() - %msg%n%throwable{short.lineNumber}" />
        </Console>
        <RollingFile name="rollingFile" fileName="${logPath}/${rollingFileName}.log" filePattern="${logPath}/${rollingFileName}_%d{yyyy-MM-dd}.log">
            <PatternLayout pattern="[%highlight{%-5level}] %d{DEFAULT} %c{1}.%M() - %msg%n%throwable{short.lineNumber}" />
            <Policies>
                <!-- Causes a rollover if the log file is older than the current JVM's start time -->
                <OnStartupTriggeringPolicy />
                <!-- Causes a rollover once the date/time pattern no longer applies to the active file -->
                <TimeBasedTriggeringPolicy interval="1" modulate="true" />
            </Policies>
        </RollingFile>
    </Appenders>
    <Loggers>
        <Root level="DEBUG" additivity="false">
            <AppenderRef ref="console" />
            <AppenderRef ref="rollingFile" />
        </Root>
    </Loggers>
</Configuration>

TimeBasedTriggeringPolicy

interval (integer) - How often a rollover should occur based on the most specific time unit in the date pattern. For example, with a date pattern with hours as the most specific item and and increment of 4 rollovers would occur every 4 hours. The default value is 1.

modulate (boolean) - Indicates whether the interval should be adjusted to cause the next rollover to occur on the interval boundary. For example, if the item is hours, the current hour is 3 am and the interval is 4 then the first rollover will occur at 4 am and then next ones will occur at 8 am, noon, 4pm, etc.

Source: https://logging.apache.org/log4j/2.x/manual/appenders.html

Output:

[INFO ] 2018-07-21 12:03:47,412 ScenarioHook.beforeScenario() - Browser=CHROME32_NOHEAD
[INFO ] 2018-07-21 12:03:48,623 ScenarioHook.beforeScenario() - Screen Resolution (WxH)=1366x768
[DEBUG] 2018-07-21 12:03:52,125 HomePageNavigationSteps.I_Am_At_The_Home_Page() - Base URL=http://simplydo.com/projector/
[DEBUG] 2018-07-21 12:03:52,700 NetIncomeProjectorSteps.I_Enter_My_Start_Balance() - Start Balance=348000

A new log file will be created daily with previous day automatically renamed to:

cucumber_yyyy-MM-dd.log

In a Maven project, you would put the log4j2.xml in src/main/resources or src/test/resources.

An example:

log4j.rootLogger=ERROR, logfile

log4j.appender.logfile=org.apache.log4j.DailyRollingFileAppender
log4j.appender.logfile.datePattern='-'dd'.log'
log4j.appender.logfile.File=log/radius-prod.log
log4j.appender.logfile.layout=org.apache.log4j.PatternLayout
log4j.appender.logfile.layout.ConversionPattern=%-6r %d{ISO8601} %-5p %40.40c %x - %m\n

log4j.logger.foo.bar.Baz=DEBUG, myappender
log4j.additivity.foo.bar.Baz=false

log4j.appender.myappender=org.apache.log4j.DailyRollingFileAppender
log4j.appender.myappender.datePattern='-'dd'.log'
log4j.appender.myappender.File=log/access-ext-dmz-prod.log
log4j.appender.myappender.layout=org.apache.log4j.PatternLayout
log4j.appender.myappender.layout.ConversionPattern=%-6r %d{ISO8601} %-5p %40.40c %x - %m\n

You should use npm run-script build or npm build <project_folder>. More info here: https://docs.npmjs.com/cli/build.

you can try this simple code, Collections.swap(list, i, j) is what you looking for.

    List<String> list = new ArrayList<String>();
    list.add("1");
    list.add("2");
    list.add("3");
    list.add("4");

    String toMoveUp = "3";
    while (list.indexOf(toMoveUp) != 0) {
        int i = list.indexOf(toMoveUp);
        Collections.swap(list, i, i - 1);
    }

    System.out.println(list);

You can do the following which escapes both PHP and MySQL.

<?
$text = '<a href="javascript:window.open(\\\'http://www.google.com\\\');"></a>';
?> 

This will reflect MySQL as

<a href="javascript:window.open('http://www.google.com');"></a>

How does it work?

We know that both PHP and MySQL apostrophes can be escaped with backslash and then apostrophe.

\'

Because we are using PHP to insert into MySQL, we need PHP to still write the backslash to MySQL so it too can escape it. So we use the PHP escape character of backslash-backslash together with backslash-apostrophe to achieve this.

\\\'

I know an answer has already been accepted for this problem but someone asked in the comments if there was a solution that could be done outside the web.config. I had a ListView producing the exact same error and setting EnableViewState to false resolved this problem for me.

Conditional expressions are considered to be true if they are non-zero, but the C standard requires that logical operators themselves return either 0 or 1.

@Tom: #define TRUE !FALSE is bad and is completely pointless. If the header file makes its way into compiled C++ code, then it can lead to problems:

void foo(bool flag);

...

int flag = TRUE;
foo(flag);

Some compilers will generate a warning about the int => bool conversion. Sometimes people avoid this by doing:

foo(flag == TRUE);

to force the expression to be a C++ bool. But if you #define TRUE !FALSE, you end up with:

foo(flag == !0);

which ends up doing an int-to-bool comparison that can trigger the warning anyway.

Ok, I know that it's an old issue but I post my answer anyway.

I like this solution. I only have to specify the identity column(s).

SELECT * INTO TempTable FROM MyTable_T WHERE id = 1;
ALTER TABLE TempTable DROP COLUMN id;
INSERT INTO MyTable_T SELECT * FROM TempTable;
DROP TABLE TempTable;

The "id"-column is the identity column and that's the only column I have to specify. It's better than the other way around anyway. :-)

I use SQL Server. You may want to use "CREATE TABLE" and "UPDATE TABLE" at row 1 and 2. Hmm, I saw that I did not really give the answer that he wanted. He wanted to copy the id to another column also. But this solution is nice for making a copy with a new auto-id.

I edit my solution with the idéas from Michael Dibbets.

use MyDatabase; 
SELECT * INTO #TempTable FROM [MyTable] WHERE [IndexField] = :id;
ALTER TABLE #TempTable DROP COLUMN [IndexField]; 
INSERT INTO [MyTable] SELECT * FROM #TempTable; 
DROP TABLE #TempTable;

You can drop more than one column by separating them with a ",". The :id should be replaced with the id of the row you want to copy. MyDatabase, MyTable and IndexField should be replaced with your names (of course).

in one line

> samp.with.rownames <- data.frame(samp[,-1], row.names=samp[,1])

Go to Tool-Option-designers-Table and Database designers and Uncheck Prevent saving option

You are trying to use it as a CSS file, probably by using

<link rel=stylesheet href=ABCD.html>

or

<style>
@import url("ABCD.html");
</style>

You would have got this Exception while doing a GET on http://localhost:8080/projectname/login

As Vinay has correctly stated you can definitely use

@RequestMapping(value = "/login", method = RequestMethod.GET) 
public String displayLogin(Model model) { 
    model.addAttribute("login", new Login()); 
    return "login"; 
}

But I am going to provide some alternative syntax which I think you were trying with Spring 3.0.

You can also achieve the above functionality with

@RequestMapping(value = "/login", method = RequestMethod.GET) 
public String displayLogin(Login loginModel) { 
    return "login"; 
}

and it login.jsp (assuming you are using InternalResourceViewResolver) you can have

<form:form method="POST" action="login.htm" modelAttribute="login">

Notice : modelAttribute is login and not loginModel. It is as per the class name you provide in argument. But if you want to use loginModel as modelAttribute is jsp you can do the following

@RequestMapping(value = "/login", method = RequestMethod.GET) 
public String displayLogin(@ModelAttribute("loginModel")Login loginModel) { 
    return "login"; 
}

and jsp would have

<form:form method="POST" action="login.htm" modelAttribute="loginModel">

I know there are just different ways for doing the same thing. But the most important point to note here -

Imp Note: When you add your model class in your methods argument (like public String displayLogin(Login loginModel)) it is automatically created and added to your Model object (which is why you can directly access it in JSP without manually putting it in model). Then it will search your request if request has attributes that it can map with the new ModelObject create. If yes Spring will inject values from request parameters to your custom model object class (Login in this case).

You can test this by doing

@RequestMapping(value = "/login", method = RequestMethod.GET) 
public String displayLogin(Login loginModel, Model model) { 
    System.out.println(model.asMap().get("login").equals(loginModel));
    return "login"; 
}

Note : Above creating of new custom model object may not hold true if you have given @SessionAttributes({"login"}). In this case it will get from session and populate values.

Sending from a third party SMTP isn't restricted by or specific to Azure. Using System.Net.Mail, create your message, configure your SMTP client, send the email:

// create the message
var msg = new MailMessage();
msg.From = new MailAddress("[email protected]"); 
msg.To.Add(strTo); 
msg.Subject = strSubject; 
msg.IsBodyHtml = true; 
msg.Body = strMessage;

// configure the smtp server
var smtp = new SmtpClient("YourSMTPServer"); 
var = new System.Net.NetworkCredential("YourSMTPServerUserName", "YourSMTPServerPassword");

// send the message
smtp.Send(msg); 

UPDATE: I added a post on Medium about how to do this with an Azure Function - https://medium.com/@viperguynaz/building-a-serverless-contact-form-f8f0bff46ba9

This can done several ways. I usually do it from my class.

From class

.image
{
    width:100%;


}

and for this your html would be:

<img class="image" src="images/image_name">

or if you want to style it using inline styling then you would just have:

<img style="width:100%; height:60px" id="image" src="images/image_name">

I however recommend doing it from your external style-sheet because as your project grows you will realize that the entire thing is easier managed with separate files for your html and your css.

If you don't need typesafe, just bring block to a new separated file and change the extension to .js,.jsx

You need to use the fitBounds() method.

var markers = [];//some array
var bounds = new google.maps.LatLngBounds();
for (var i = 0; i < markers.length; i++) {
 bounds.extend(markers[i]);
}

map.fitBounds(bounds);

Documentation from developers.google.com/maps/documentation/javascript:

fitBounds(bounds[, padding])

Parameters:

`bounds`:  [`LatLngBounds`][1]|[`LatLngBoundsLiteral`][1]
`padding` (optional):  number|[`Padding`][1]

Return Value: None

Sets the viewport to contain the given bounds.
Note: When the map is set to display: none, the fitBounds function reads the map's size as 0x0, and therefore does not do anything. To change the viewport while the map is hidden, set the map to visibility: hidden, thereby ensuring the map div has an actual size.

If you make both dates NSDates you can use NSDate's compare: method:

NSComparisonResult result = [Date2 compare:Date1];

if(result==NSOrderedAscending)
    NSLog(@"Date1 is in the future");
else if(result==NSOrderedDescending)
    NSLog(@"Date1 is in the past");
else
    NSLog(@"Both dates are the same");

You can take a look at the docs here.

It means to group by the first column regardless of what it's called. You can do the same with ORDER BY.

A sorting algorithm is said to be stable if two objects with equal keys appear in the same order in sorted output as they appear in the input array to be sorted. Some sorting algorithms are stable by nature like Insertion sort, Merge Sort, Bubble Sort, etc. And some sorting algorithms are not, like Heap Sort, Quick Sort, etc.

Background: a "stable" sorting algorithm keeps the items with the same sorting key in order. Suppose we have a list of 5-letter words:

peach
straw
apple
spork

If we sort the list by just the first letter of each word then a stable-sort would produce:

apple
peach
straw
spork

In an unstable sort algorithm, straw or spork may be interchanged, but in a stable one, they stay in the same relative positions (that is, since straw appears before spork in the input, it also appears before spork in the output).

We could sort the list of words using this algorithm: stable sorting by column 5, then 4, then 3, then 2, then 1. In the end, it will be correctly sorted. Convince yourself of that. (by the way, that algorithm is called radix sort)

Now to answer your question, suppose we have a list of first and last names. We are asked to sort "by last name, then by first". We could first sort (stable or unstable) by the first name, then stable sort by the last name. After these sorts, the list is primarily sorted by the last name. However, where last names are the same, the first names are sorted.

You can't stack unstable sorts in the same fashion.

To make things simple , please note that every time you do itr2.next() the pointer moves to the next element i.e. here if you notice carefully, then the output is perfectly fine according to the logic you have written .
This may help you in understanding better:

1st Iteration of While loop(pointer is before the 1st element):
Key: if ,value: 2 {itr2.next()=if; m.get(itr2.next()=it)=>2}

2nd Iteration of While loop(pointer is before the 3rd element):
Key: is ,value: 2 {itr2.next()=is; m.get(itr2.next()=to)=>2}

3rd Iteration of While loop(pointer is before the 5th element):
Key: be ,value: 1 {itr2.next()="be"; m.get(itr2.next()="up")=>"1"}

4th Iteration of While loop(pointer is before the 7th element):
Key: me ,value: 1 {itr2.next()="me"; m.get(itr2.next()="delegate")=>"1"}

Key: if ,value: 1
Key: it ,value: 2
Key: is ,value: 2
Key: to ,value: 2
Key: be ,value: 1
Key: up ,value: 1
Key: me ,value: 1
Key: delegate ,value: 1

It prints:

Key: if ,value: 2
Key: is ,value: 2
Key: be ,value: 1
Key: me ,value: 1

Because of double print function. I suggest you to use return instead of print inside the function definition.

def lyrics():
    return "The very first line"
print(lyrics())

OR

def lyrics():
    print("The very first line")
lyrics()

declare @sql nvarchar(max);
set @sql = N'select cast(''master'' as sysname) as db_name, name collate Latin1_General_CI_AI, object_id, schema_id, cast(1 as int) as database_id  from master.sys.tables ';

select @sql = @sql + N' union all select ' + quotename(name,'''')+ ', name collate Latin1_General_CI_AI, object_id, schema_id, ' + cast(database_id as nvarchar(10)) + N' from ' + quotename(name) + N'.sys.tables'
from sys.databases where database_id > 1
and state = 0
and user_access = 0;

exec sp_executesql @sql;

If you have a group of radio button and you want to set radio button checked based on model, then radio button which has same value and ng-model, is checked automatically.

<input type="radio" value="1" ng-model="myRating" name="rating" class="radio">
<input type="radio" value="2" ng-model="myRating" name="rating" class="radio">
<input type="radio" value="3" ng-model="myRating" name="rating" class="radio">
<input type="radio" value="4" ng-model="myRating" name="rating" class="radio">

If the value of myRating is "2" then second radio button is selected.

Global $myArr;
$myArr = array();

function someFuntion(){
    global $myArr;

    $myVal = //some processing here to determine value of $myVal
    $myArr[] = $myVal;
}

Be forewarned, generally people stick away from globals as it has some downsides.

You could try this

function someFuntion($myArr){
    $myVal = //some processing here to determine value of $myVal
    $myArr[] = $myVal;
    return $myArr;
}
$myArr = someFunction($myArr);

That would make it so you aren't relying on Globals.

Use the following command at command prompt:

java -jar jenkins.war --httpPort=9090

If you want to use https use the following command:

java -jar jenkins.war --httpsPort=9090

Details are here

You may try to use in your CSS the property vertical-align in order to center it verticaly

div {  
    vertical-align:middle;  
}

if it's a size problem, please notice that 2 text lines and a padding style have great chance to have a height superior to 30px.

For example, if your font size is 12 px and your div padding is 5 px, a one text line div height will be 5px (padding-top) + 12px + 5 px (padding-bottom) = 22px < 30px so no problem,

With a 2 text lines div, it will be 5px +12px *2 (2 lines) + 5px = 34px > 30px and your div height will be automatically changed.

Try either to increase your div height (maybe 40px) or to reduce your padding.

Hope it will help

import java.io.*;  
public class DataStreamExample {  
     public static void main(String args[]){    
          try{    
            FileWriter  fin=new FileWriter("testout.txt");    
            BufferedWriter d = new BufferedWriter(fin);
            int a[] = new int[3];
            a[0]=1;
            a[1]=22;
            a[2]=3;
            String s="";
            for(int i=0;i<3;i++)
            {
                s=Integer.toString(a[i]);
                d.write(s);
                d.newLine();
            }

            System.out.println("Success");
            d.close();
            fin.close();    



            FileReader in=new FileReader("testout.txt");
            BufferedReader br=new BufferedReader(in);
            String i="";
            int sum=0;
            while ((i=br.readLine())!= null)
            {
                sum += Integer.parseInt(i);
            }
            System.out.println(sum);
          }catch(Exception e){System.out.println(e);}    
         }    
        }  

OUTPUT:: Success 26

Also, I used array to make it simple.... you can directly take integer input and convert it into string and send it to file. input-convert-Write-Process... its that simple.

This is a function snippet I wrote to scan the user input for a string and then store that string on an array of the same size as the user input. Note that I initialize j to the value of 2 to be able to store the '\0' character.

char* dynamicstring() {
    char *str = NULL;
    int i = 0, j = 2, c;
    str = (char*)malloc(sizeof(char));
    //error checking
    if (str == NULL) {
        printf("Error allocating memory\n");
        exit(EXIT_FAILURE);
    }

    while((c = getc(stdin)) && c != '\n')
    {
        str[i] = c;
        str = realloc(str,j*sizeof(char));
        //error checking
        if (str == NULL) {
            printf("Error allocating memory\n");
            free(str);
            exit(EXIT_FAILURE);
        }

        i++;
        j++;
    }
    str[i] = '\0';
    return str;
}

In main(), you can declare another char* variable to store the return value of dynamicstring() and then free that char* variable when you're done using it.

Requesting Permissions In the following code, we will ask for camera permission:

in java

EasyPermissions is a wrapper library to simplify basic system permissions logic when targeting Android M or higher.

Installation EasyPermissions is installed by adding the following dependency to your build.gradle file:

dependencies {

    // For developers using AndroidX in their applications
    implementation 'pub.devrel:easypermissions:3.0.0'

    // For developers using the Android Support Library
    implementation 'pub.devrel:easypermissions:2.0.1'

}


private void askAboutCamera(){

        EasyPermissions.requestPermissions(
                this,
                "A partir deste ponto a permissão de câmera é necessária.",
                CAMERA_REQUEST_CODE,
                Manifest.permission.CAMERA );
}

X = np.array(X, dtype=float)

You can use this to convert to array of float in python 3.7.6

You would need to use a reinterpret_cast<> as the two types you are casting between are unrelated to each other.

You need to sort values before using binary search. Otherwise, the manual way is to try all ints in your tab.

public int getIndexOf( int toSearch, int[] tab )
{
  for( int i=0; i< tab.length ; i ++ )
    if( tab[ i ] == toSearch)
     return i;

  return -1;
}//met

An alternative method could be to map all index for each value in a map.

tab[ index ] = value;
if( map.get( value) == null || map.get( value) > index )
    map.put( value, index );

and then map.get(value) to get the index.

Regards, Stéphane

@pst, thanks for your comments. Can you post an other alternative method ?

You can use Apache Commons Math:

Precision.round(double x, int scale)

source: http://commons.apache.org/proper/commons-math/apidocs/org/apache/commons/math3/util/Precision.html#round(double,%20int)

There's no magical solution of displaying something outside an overflow hidden container.

A similar effect can be achieved by having an absolute positioned div that matches the size of its parent by positioning it inside your current relative container (the div you don't wish to clip should be outside this div):

#1 .mask {
  width: 100%;
  height: 100%;
  position: absolute;
  z-index: 1;
  overflow: hidden;
}

Take in mind that if you only have to clip content on the x axis (which appears to be your case, as you only have set the div's width), you can use overflow-x: hidden.

Below is the PowerShell code that I use for basic web URL testing. It includes the ability to accept invalid certs and get detailed information about the results of checking the certificate.

$CertificateValidatorClass = @'
using System;
using System.Collections.Concurrent;
using System.Net;
using System.Security.Cryptography;
using System.Text;

namespace CertificateValidation
{
    public class CertificateValidationResult
    {
        public string Subject { get; internal set; }
        public string Thumbprint { get; internal set; }
        public DateTime Expiration { get; internal set; }
        public DateTime ValidationTime { get; internal set; }
        public bool IsValid { get; internal set; }
        public bool Accepted { get; internal set; }
        public string Message { get; internal set; }

        public CertificateValidationResult()
        {
            ValidationTime = DateTime.UtcNow;
        }
    }

    public static class CertificateValidator
    {
        private static ConcurrentStack<CertificateValidationResult> certificateValidationResults = new ConcurrentStack<CertificateValidationResult>();

        public static CertificateValidationResult[] CertificateValidationResults
        {
            get
            {
                return certificateValidationResults.ToArray();
            }
        }

        public static CertificateValidationResult LastCertificateValidationResult
        {
            get
            {
                CertificateValidationResult lastCertificateValidationResult = null;
                certificateValidationResults.TryPeek(out lastCertificateValidationResult);

                return lastCertificateValidationResult;
            }
        }

        public static bool ServicePointManager_ServerCertificateValidationCallback(object sender, System.Security.Cryptography.X509Certificates.X509Certificate certificate, System.Security.Cryptography.X509Certificates.X509Chain chain, System.Net.Security.SslPolicyErrors sslPolicyErrors)
        {
            StringBuilder certificateValidationMessage = new StringBuilder();
            bool allowCertificate = true;

            if (sslPolicyErrors != System.Net.Security.SslPolicyErrors.None)
            {
                if ((sslPolicyErrors & System.Net.Security.SslPolicyErrors.RemoteCertificateNameMismatch) == System.Net.Security.SslPolicyErrors.RemoteCertificateNameMismatch)
                {
                    certificateValidationMessage.AppendFormat("The remote certificate name does not match.\r\n", certificate.Subject);
                }

                if ((sslPolicyErrors & System.Net.Security.SslPolicyErrors.RemoteCertificateChainErrors) == System.Net.Security.SslPolicyErrors.RemoteCertificateChainErrors)
                {
                    certificateValidationMessage.AppendLine("The certificate chain has the following errors:");
                    foreach (System.Security.Cryptography.X509Certificates.X509ChainStatus chainStatus in chain.ChainStatus)
                    {
                        certificateValidationMessage.AppendFormat("\t{0}", chainStatus.StatusInformation);

                        if (chainStatus.Status == System.Security.Cryptography.X509Certificates.X509ChainStatusFlags.Revoked)
                        {
                            allowCertificate = false;
                        }
                    }
                }

                if ((sslPolicyErrors & System.Net.Security.SslPolicyErrors.RemoteCertificateNotAvailable) == System.Net.Security.SslPolicyErrors.RemoteCertificateNotAvailable)
                {
                    certificateValidationMessage.AppendLine("The remote certificate was not available.");
                    allowCertificate = false;
                }

                System.Console.WriteLine();
            }
            else
            {
                certificateValidationMessage.AppendLine("The remote certificate is valid.");
            }

            CertificateValidationResult certificateValidationResult = new CertificateValidationResult
                {
                    Subject = certificate.Subject,
                    Thumbprint = certificate.GetCertHashString(),
                    Expiration = DateTime.Parse(certificate.GetExpirationDateString()),
                    IsValid = (sslPolicyErrors == System.Net.Security.SslPolicyErrors.None),
                    Accepted = allowCertificate,
                    Message = certificateValidationMessage.ToString()
                };

            certificateValidationResults.Push(certificateValidationResult);
            return allowCertificate;
        }

        public static void SetDebugCertificateValidation()
        {
            ServicePointManager.ServerCertificateValidationCallback = ServicePointManager_ServerCertificateValidationCallback;
        }

        public static void SetDefaultCertificateValidation()
        {
            ServicePointManager.ServerCertificateValidationCallback = null;
        }

        public static void ClearCertificateValidationResults()
        {
            certificateValidationResults.Clear();
        }
    }
}
'@

function Set-CertificateValidationMode
{
    <#
    .SYNOPSIS
    Sets the certificate validation mode.
    .DESCRIPTION
    Set the certificate validation mode to one of three modes with the following behaviors:
        Default -- Performs the .NET default validation of certificates. Certificates are not checked for revocation and will be rejected if invalid.
        CheckRevocationList -- Cerftificate Revocation Lists are checked and certificate will be rejected if revoked or invalid.
        Debug -- Certificate Revocation Lists are checked and revocation will result in rejection. Invalid certificates will be accepted. Certificate validation
                 information is logged and can be retrieved from the certificate handler.
    .EXAMPLE
    Set-CertificateValidationMode Debug
    .PARAMETER Mode
    The mode for certificate validation.
    #>
    [CmdletBinding(SupportsShouldProcess = $false)]
    param
    (
        [Parameter()]
        [ValidateSet('Default', 'CheckRevocationList', 'Debug')]
        [string] $Mode
    )

    begin
    {
        $isValidatorClassLoaded = (([System.AppDomain]::CurrentDomain.GetAssemblies() | ?{ $_.GlobalAssemblyCache -eq $false }) | ?{ $_.DefinedTypes.FullName -contains 'CertificateValidation.CertificateValidator' }) -ne $null

        if ($isValidatorClassLoaded -eq $false)
        {
            Add-Type -TypeDefinition $CertificateValidatorClass
        }
    }

    process
    {
        switch ($Mode)
        {
            'Debug'
            {
                [System.Net.ServicePointManager]::CheckCertificateRevocationList = $true
                [CertificateValidation.CertificateValidator]::SetDebugCertificateValidation()
            }
            'CheckRevocationList'
            {
                [System.Net.ServicePointManager]::CheckCertificateRevocationList = $true
                [CertificateValidation.CertificateValidator]::SetDefaultCertificateValidation()
            }
            'Default'
            {
                [System.Net.ServicePointManager]::CheckCertificateRevocationList = $false
                [CertificateValidation.CertificateValidator]::SetDefaultCertificateValidation()
            }
        }
    }
}

function Clear-CertificateValidationResults
{
    <#
    .SYNOPSIS
    Clears the collection of certificate validation results.
    .DESCRIPTION
    Clears the collection of certificate validation results.
    .EXAMPLE
    Get-CertificateValidationResults
    #>
    [CmdletBinding(SupportsShouldProcess = $false)]
    param()

    begin
    {
        $isValidatorClassLoaded = (([System.AppDomain]::CurrentDomain.GetAssemblies() | ?{ $_.GlobalAssemblyCache -eq $false }) | ?{ $_.DefinedTypes.FullName -contains 'CertificateValidation.CertificateValidator' }) -ne $null

        if ($isValidatorClassLoaded -eq $false)
        {
            Add-Type -TypeDefinition $CertificateValidatorClass
        }
    }

    process
    {
        [CertificateValidation.CertificateValidator]::ClearCertificateValidationResults()
        Sleep -Milliseconds 20
    }
}

function Get-CertificateValidationResults
{
    <#
    .SYNOPSIS
    Gets the certificate validation results for all operations performed in the PowerShell session since the Debug cerificate validation mode was enabled.
    .DESCRIPTION
    Gets the certificate validation results for all operations performed in the PowerShell session since the Debug certificate validation mode was enabled in reverse chronological order.
    .EXAMPLE
    Get-CertificateValidationResults
    #>
    [CmdletBinding(SupportsShouldProcess = $false)]
    param()

    begin
    {
        $isValidatorClassLoaded = (([System.AppDomain]::CurrentDomain.GetAssemblies() | ?{ $_.GlobalAssemblyCache -eq $false }) | ?{ $_.DefinedTypes.FullName -contains 'CertificateValidation.CertificateValidator' }) -ne $null

        if ($isValidatorClassLoaded -eq $false)
        {
            Add-Type -TypeDefinition $CertificateValidatorClass
        }
    }

    process
    {
        return [CertificateValidation.CertificateValidator]::CertificateValidationResults
    }
}

function Test-WebUrl
{
    <#
    .SYNOPSIS
    Tests and reports information about the provided web URL.
    .DESCRIPTION
    Tests a web URL and reports the time taken to get and process the request and response, the HTTP status, and the error message if an error occurred.
    .EXAMPLE
    Test-WebUrl 'http://websitetotest.com/'
    .EXAMPLE
    'https://websitetotest.com/' | Test-WebUrl
    .PARAMETER HostName
    The Hostname to add to the back connection hostnames list.
    .PARAMETER UseDefaultCredentials
    If present the default Windows credential will be used to attempt to authenticate to the URL; otherwise, no credentials will be presented.
    #>
    [CmdletBinding()]
    param
    (
        [Parameter(Mandatory = $true, ValueFromPipeline = $true)]
        [Uri] $Url,
        [Parameter()]
        [Microsoft.PowerShell.Commands.WebRequestMethod] $Method = 'Get',
        [Parameter()]
        [switch] $UseDefaultCredentials
    )

    process
    {
        [bool] $succeeded = $false
        [string] $statusCode = $null
        [string] $statusDescription = $null
        [string] $message = $null
        [int] $bytesReceived = 0
        [Timespan] $timeTaken = [Timespan]::Zero 

        $timeTaken = Measure-Command `
            {
                try
                {
                    [Microsoft.PowerShell.Commands.HtmlWebResponseObject] $response = Invoke-WebRequest -UseDefaultCredentials:$UseDefaultCredentials -Method $Method -Uri $Url
                    $succeeded = $true
                    $statusCode = $response.StatusCode.ToString('D')
                    $statusDescription = $response.StatusDescription
                    $bytesReceived = $response.RawContent.Length

                    Write-Verbose "$($Url.ToString()): $($statusCode) $($statusDescription) $($message)"
                }
                catch [System.Net.WebException]
                {
                    $message = $Error[0].Exception.Message
                    [System.Net.HttpWebResponse] $exceptionResponse = $Error[0].Exception.GetBaseException().Response

                    if ($exceptionResponse -ne $null)
                    {
                        $statusCode = $exceptionResponse.StatusCode.ToString('D')
                        $statusDescription = $exceptionResponse.StatusDescription
                        $bytesReceived = $exceptionResponse.ContentLength

                        if ($statusCode -in '401', '403', '404')
                        {
                            $succeeded = $true
                        }
                    }
                    else
                    {
                        Write-Warning "$($Url.ToString()): $($message)"
                    }
                }
            }

        return [PSCustomObject] @{ Url = $Url; Succeeded = $succeeded; BytesReceived = $bytesReceived; TimeTaken = $timeTaken.TotalMilliseconds; StatusCode = $statusCode; StatusDescription = $statusDescription; Message = $message; }
    }
}

Set-CertificateValidationMode Debug
Clear-CertificateValidationResults

Write-Host 'Testing web sites:'
'https://expired.badssl.com/', 'https://wrong.host.badssl.com/', 'https://self-signed.badssl.com/', 'https://untrusted-root.badssl.com/', 'https://revoked.badssl.com/', 'https://pinning-test.badssl.com/', 'https://sha1-intermediate.badssl.com/' | Test-WebUrl | ft -AutoSize

Write-Host 'Certificate validation results (most recent first):'
Get-CertificateValidationResults | ft -AutoSize

You can change the color of the text in the toolbar with these:

<item name="android:textColorPrimary">#FFFFFF</item>
<item name="android:textColor">#FFFFFF</item>

Something I wrote up incase anyone comes across an issue with people hitting backspace while thinking they are in a form field

window.addEventListener("keydown", function(e){
    /*
     * keyCode: 8
     * keyIdentifier: "U+0008"
    */
    if(e.keyCode === 8 && document.activeElement !== 'text') {
        e.preventDefault();
        alert('Prevent page from going back');
    }
});

You may try this:

Cookie::queue($name, $value, $minutes);

This will queue the cookie to use it later and later it will be added with the response when response is ready to be sent. You may check the documentation on Laravel website.

Update (Retrieving A Cookie Value):

$value = Cookie::get('name');

Note: If you set a cookie in the current request then you'll be able to retrieve it on the next subsequent request.

Is this possible to assign a NaN to a double or float in C ...?

Yes, since C99, (C++11) <math.h> offers the below functions:

#include <math.h>
double nan(const char *tagp);
float nanf(const char *tagp);
long double nanl(const char *tagp);

which are like their strtod("NAN(n-char-sequence)",0) counterparts and NAN for assignments.

// Sample C code
uint64_t u64;
double x;
x = nan("0x12345");
memcpy(&u64, &x, sizeof u64); printf("(%" PRIx64 ")\n", u64);
x = -strtod("NAN(6789A)",0);
memcpy(&u64, &x, sizeof u64); printf("(%" PRIx64 ")\n", u64);
x = NAN;
memcpy(&u64, &x, sizeof u64); printf("(%" PRIx64 ")\n", u64);

Sample output: (Implementation dependent)

(7ff8000000012345)
(fff000000006789a)
(7ff8000000000000)

printf is a fair bit more complicated than that. You have to supply a format string, and then the variables to apply to the format string. If you just supply one variable, C will assume that is the format string and try to print out all the bytes it finds in it until it hits a terminating nul (0x0).

So if you just give it an integer, it will merrily march through memory at the location your integer is stored, dumping whatever garbage is there to the screen, until it happens to come across a byte containing 0.

For a Java programmer, I'd imagine this is a rather rude introduction to C's lack of type checking. Believe me, this is only the tip of the iceberg. This is why, while I applaud your desire to expand your horizons by learning C, I highly suggest you do whatever you can to avoid writing real programs in it.

(This goes for everyone else reading this too.)

If you don't see a drawable folder for the DPI that you need, you can create it yourself. There's nothing magical about it; it's just a folder which needs to have the correct name.

The proper solution is to set environment variable R_LIBS_USER to the value of the file path to your desired library folder as opposed to getting RStudio to recognize a Rprofile.site file.

To set environment variable R_LIBS_USER in Windows, go to the Control Panel (System Properties -> Advanced system properties -> Environment Variables -> User Variables) to a desired value (the path to your library folder), e.g.

Variable name: R_LIBS_USER 
Variable value: C:/software/Rpackages  

If for some reason you do not have access to the control panel, you can try running rundll32 sysdm.cpl,EditEnvironmentVariables from the command line on Windows and add the environment variable from there.

Setting R_LIBS_USER will ensure that the library shows up first in .libPaths() regardless of starting RStudio directly or by right-clicking an file and "Open With" to start RStudio.

The Rprofile solution can work if RStudio is always started by clicking the RStudio shortcut. In this case, setting the default working directory to the directory that houses your Rprofile will be sufficient. The Rprofile solution does not work when clicking on a file to start RStudio because that changes the working directory away from the default working directory.

all answers are outdated now. Most current version (as of Feb 2018) does not have autoload anymore, and PHPMailer should be initialized as follows:

<?php

  require("/home/site/libs/PHPMailer-master/src/PHPMailer.php");
  require("/home/site/libs/PHPMailer-master/src/SMTP.php");

    $mail = new PHPMailer\PHPMailer\PHPMailer();
    $mail->IsSMTP(); // enable SMTP

    $mail->SMTPDebug = 1; // debugging: 1 = errors and messages, 2 = messages only
    $mail->SMTPAuth = true; // authentication enabled
    $mail->SMTPSecure = 'ssl'; // secure transfer enabled REQUIRED for Gmail
    $mail->Host = "smtp.gmail.com";
    $mail->Port = 465; // or 587
    $mail->IsHTML(true);
    $mail->Username = "xxxxxx";
    $mail->Password = "xxxx";
    $mail->SetFrom("[email protected]");
    $mail->Subject = "Test";
    $mail->Body = "hello";
    $mail->AddAddress("[email protected]");

     if(!$mail->Send()) {
        echo "Mailer Error: " . $mail->ErrorInfo;
     } else {
        echo "Message has been sent";
     }
?>

Many of them don't add this, especially in AWS EC2 Instance, I had the same issue and tried different solutions. Solution: one of my database URL inside the code was missing this parameter 'authSource', adding this worked for me.

mongodb://myUserName:MyPassword@ElasticIP:27017/databaseName?authSource=admin

For the record, the lock wait timeout exception happens also when there is a deadlock and MySQL cannot detect it, so it just times out. Another reason might be an extremely long running query, which is easier to solve/repair, however, and I will not describe this case here.

MySQL is usually able to deal with deadlocks if they are constructed "properly" within two transactions. MySQL then just kills/rollback the one transaction that owns fewer locks (is less important as it will impact less rows) and lets the other one finish.

Now, let's suppose there are two processes A and B and 3 transactions:

Process A Transaction 1: Locks X
Process B Transaction 2: Locks Y
Process A Transaction 3: Needs Y => Waits for Y
Process B Transaction 2: Needs X => Waits for X
Process A Transaction 1: Waits for Transaction 3 to finish

(see the last two paragraph below to specify the terms in more detail)

=> deadlock 

This is a very unfortunate setup because MySQL cannot see there is a deadlock (spanned within 3 transactions). So what MySQL does is ... nothing! It just waits, since it does not know what to do. It waits until the first acquired lock exceeds the timeout (Process A Transaction 1: Locks X), then this will unblock the Lock X, which unlocks Transaction 2 etc.

The art is to find out what (which query) causes the first lock (Lock X). You will be able to see easily (show engine innodb status) that Transaction 3 waits for Transaction 2, but you will not see which transaction Transaction 2 is waiting for (Transaction 1). MySQL will not print any locks or query associated with Transaction 1. The only hint will be that at the very bottom of the transaction list (of the show engine innodb status printout), you will see Transaction 1 apparently doing nothing (but in fact waiting for Transaction 3 to finish).

The technique for how to find which SQL query causes the lock (Lock X) to be granted for a given transaction that is waiting is described here Tracking MySQL query history in long running transactions

If you are wondering what the process and the transaction is exactly in the example. The process is a PHP process. Transaction is a transaction as defined by innodb-trx-table. In my case, I had two PHP processes, in each I started a transaction manually. The interesting part was that even though I started one transaction in a process, MySQL used internally in fact two separate transactions (I don't have a clue why, maybe some MySQL dev can explain).

MySQL is managing its own transactions internally and decided (in my case) to use two transactions to handle all the SQL requests coming from the PHP process (Process A). The statement that Transaction 1 is waiting for Transaction 3 to finish is an internal MySQL thing. MySQL "knew" the Transaction 1 and Transaction 3 were actually instantiated as part of one "transaction" request (from Process A). Now the whole "transaction" was blocked because Transaction 3 (a subpart of "transaction") was blocked. Because "transaction" was not able to finish the Transaction 1 (also a subpart of the "transaction") was marked as not finished as well. This is what I meant by "Transaction 1 waits for Transaction 3 to finish".

I'm just beginner to help you for getting edittext value to textview. Try out this code -

EditText edit = (EditText)findViewById(R.id.editext1);
TextView tview = (TextView)findViewById(R.id.textview1);
String result = edit.getText().toString();
tview.setText(result);

This will get the text which is in EditText Hope this helps you.

I'd like to extend the paulalexandru's answer and put here complete solution that works generally with bootstrap dropdowns and updating main button's content and also the value from selected option.

The bootstrap dropdown is defined this way:

<div class="btn-group" role="group">
  <button type="button" data-toggle="dropdown" value="1" class="btn btn-default btn-sm dropdown-toggle">
    Option 1 <span class="caret"></span>
  </button>
  <ul class="dropdown-menu">
    <li><a href="#" data-value="1">Option 1</a></li>
    <li><a href="#" data-value="2">Option 2</a></li>
    <li><a href="#" data-value="3">Option 3</a></li>
  </ul>
</div> 

Additional to standard bootstrap dropdown code, there is data-value attribute for storing the values in every dropdown option (in <a> element).

Now the JS code. I crated function that handle the dropdowns:

function dropdownToggle() {
    // select the main dropdown button element
    var dropdown = $(this).parent().parent().prev();

    // change the CONTENT of the button based on the content of selected option
    dropdown.html($(this).html() + '&nbsp;</i><span class="caret"></span>');

    // change the VALUE of the button based on the data-value property of selected option
    dropdown.val($(this).prop('data-value'));
}

And of course we need to add event listener:

$(document).ready(function(){
    $('.dropdown-menu a').on('click', dropdownToggle);
}

It'd be cool if you had a good DataStructure that could quickly tell if it contains an integer. Perhaps a tree of some sort.

DataStructure elementsSeen = new DataStructure();
int elementsRemoved = 0;
for(int i=0;i<array.Length;i++){
  if(elementsSeen.Contains(array[i])
    elementsRemoved++;
  else
    array[i-elementsRemoved] = array[i];
}
array.Length = array.Length - elementsRemoved;

There are several libraries available solving this problem, but the simplest is probably to use Boost Tokenizer:

#include <iostream>
#include <string>
#include <boost/tokenizer.hpp>
#include <boost/foreach.hpp>

typedef boost::tokenizer<boost::char_separator<char> > tokenizer;

std::string str("denmark;sweden;india;us");
boost::char_separator<char> sep(";");
tokenizer tokens(str, sep);

BOOST_FOREACH(std::string const& token, tokens)
{
    std::cout << "<" << *tok_iter << "> " << "\n";
}

This should always work even when $_SERVER['HTTPS'] is undefined:

function isSecure() {
  return
    (!empty($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== 'off')
    || $_SERVER['SERVER_PORT'] == 443;
}

The code is compatible with IIS.

From the PHP.net documentation and user comments :

1) Set to a non-empty value if the script was queried through the HTTPS protocol.

2) Note that when using ISAPI with IIS, the value will be "off" if the request was not made through the HTTPS protocol. (Same behaviour has been reported for IIS7 running PHP as a Fast-CGI application).

Also, Apache 1.x servers (and broken installations) might not have $_SERVER['HTTPS'] defined even if connecting securely. Although not guaranteed, connections on port 443 are, by convention, likely using secure sockets, hence the additional port check.

Additional note: if there is a load balancer between the client and your server, this code doesn't test the connection between the client and the load balancer, but the connection between the load balancer and your server. To test the former connection, you would have to test using the HTTP_X_FORWARDED_PROTO header, but it's much more complex to do; see latest comments below this answer.

Got the following to work May 2018 with ES6 React Docs as a reference: https://reactjs.org/docs/refs-and-the-dom.html

import React, { Component } from "react";
class AddImage extends Component {
  constructor(props) {
    super(props);
    this.fileUpload = React.createRef();
    this.showFileUpload = this.showFileUpload.bind(this);
  }
  showFileUpload() {
    this.fileUpload.current.click();
  }
  render() {
    return (
      <div className="AddImage">
        <input
          type="file"
          id="my_file"
          style={{ display: "none" }}
          ref={this.fileUpload}
        />
        <input
          type="image"
          src="http://www.graphicssimplified.com/wp-content/uploads/2015/04/upload-cloud.png"
          width="30px"
          onClick={this.showFileUpload}
        />
      </div>
    );
  }
}
export default AddImage;

many answers above, i will try a different way:

if you are looking for bitwise operations use only one of the marks like:

3 & 1 //==1 - and 4 | 1 //==5 - or

Merge your tests into one giant test will work. To make the test method more readable, you can do something like

[TestMethod]
public void MyIntegratonTestLikeUnitTest()
{
    AssertScenarioA();

    AssertScenarioB();

    ....
}

private void AssertScenarioA()
{
     // Assert
}

private void AssertScenarioB()
{
     // Assert
}

Actually the issue you have suggests you probably should improve the testability of the implementation.

• Upcasting is an operation that creates a base class reference from a subclass reference. (subclass -> superclass) (i.e. Manager -> Employee)
• Downcasting is an operation that creates a subclass reference from a base class reference. (superclass -> subclass) (i.e. Employee -> Manager)

In your case

Employee emp = (Employee)mgr; //mgr is Manager

you are doing an upcasting.

An upcast always succeeds unlike a downcast that requires an explicit cast because it can potentially fail at runtime.(InvalidCastException).

C# offers two operators to avoid this exception to be thrown:

Starting from:

Employee e = new Employee();

First:

Manager m = e as Manager; // if downcast fails m is null; no exception thrown

Second:

if (e is Manager){...} // the predicate is false if the downcast is not possible 

Warning: When you do an upcast you can only access to the superclass' methods, properties etc...

In my case, it was ReSharper.

Test if ReSharper

StackOverflow: How can I disable ReSharper in Visual Studio and enable it again?

Prevent ReSharper from reformatting code

StackOverflow: Is there a way to mark up code to tell ReSharper not to format it?

Update 2017-03-01

It was ReSharper in the end:

Update 2020-12-18

On the latest version of ReSharper, there are more options: untick everything on this page, and ensure all dropdowns are set to the equivalent of None.

ReSharper "typing assist" is like a 3-year-old trying to "help" build a card castle. A simple backspace or an enter key will (poorly) reformat entire blocks of code, requiring it to be undone or painfully formatted back to the original.

And if that is not enough, this is the bit that adds delays when typing so sometimes it feels like trying to run in skis.

<description><![CDATA[first line<br/>second line<br/>]]></description>

You could do something like

<a href="http://home.com"><img src="images/logo.png" alt="" id="logo"></a>

in HTML

It is a matter of preference. I personally use both styles, if I am reasonably sure that I won't need to add anymore statements, I use the first style, but if that is possible, I use the second. Since you cannot add anymore statements to the first style, I have heard some people recommend against using it. However, the second method does incur an additional line of code and if you (or your project) uses this kind of coding style, the first method is very much preferred for simple if statements:

if(statement)
{
    do this;
}
else
{
    do this;
}

However, I think the best solution to this problem is in Python. With the whitespace-based block structure, you don't have two different methods of creating an if statement: you only have one:

if statement:
    do this
else:
    do this

While that does have the "issue" that you can't use the braces at all, you do gain the benefit that it is no more lines that the first style and it has the power to add more statements.

To declare a type variable property, mark the declaration with the static declaration modifier. Classes may mark type computed properties with the class declaration modifier instead to allow subclasses to override the superclass’s implementation. Type properties are discussed in Type Properties.

NOTE
In a class declaration, the keyword static has the same effect as marking the declaration with both the class and final declaration modifiers.

Source: The Swift Programming Language - Type Variable Properties

After poking around it looks like Kelsey is correct.

Just use a comma or something and split it when you want to consume it.

Try:

-webkit-transition: all .2s linear, background-position 0;

This worked for me on something similar..

You can define the drawables that are used for the background, and the switcher part like this:

<Switch
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:thumb="@drawable/switch_thumb"
    android:track="@drawable/switch_bg" />

Now you need to create a selector that defines the different states for the switcher drawable. Here the copies from the Android sources:

<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:state_enabled="false" android:drawable="@drawable/switch_thumb_disabled_holo_light" />
    <item android:state_pressed="true"  android:drawable="@drawable/switch_thumb_pressed_holo_light" />
    <item android:state_checked="true"  android:drawable="@drawable/switch_thumb_activated_holo_light" />
    <item                               android:drawable="@drawable/switch_thumb_holo_light" />
</selector>

This defines the thumb drawable, the image that is moved over the background. There are four ninepatch images used for the slider:

The deactivated version (xhdpi version that Android is using)
The pressed slider:
The activated slider (on state):
The default version (off state):

There are also three different states for the background that are defined in the following selector:

<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:state_enabled="false" android:drawable="@drawable/switch_bg_disabled_holo_dark" />
    <item android:state_focused="true"  android:drawable="@drawable/switch_bg_focused_holo_dark" />
    <item                               android:drawable="@drawable/switch_bg_holo_dark" />
</selector>

The deactivated version:
The focused version:
And the default version:

To have a styled switch just create this two selectors, set them to your Switch View and then change the seven images to your desired style.

Its very late here but thought to share below code. If we have our WebApi as a different project altogether in the same solution then we can call the same from MVC controller like below

public class ProductsController : Controller
    {
        // GET: Products
        public async Task<ActionResult> Index()
        {
            string apiUrl = "http://localhost:58764/api/values";

            using (HttpClient client=new HttpClient())
            {
                client.BaseAddress = new Uri(apiUrl);
                client.DefaultRequestHeaders.Accept.Clear();
                client.DefaultRequestHeaders.Accept.Add(new System.Net.Http.Headers.MediaTypeWithQualityHeaderValue("application/json"));

                HttpResponseMessage response = await client.GetAsync(apiUrl);
                if (response.IsSuccessStatusCode)
                {
                    var data = await response.Content.ReadAsStringAsync();
                    var table = Newtonsoft.Json.JsonConvert.DeserializeObject<System.Data.DataTable>(data);

                }


            }
            return View();

        }
    }

I had the same problem: the latest update failed to install because it couldn't rename the tools folder in android-sdk-windows. I'm using AVG antivirus and disabling it didn't help, but I don't think it had anything to do with the AV program anyway.

Fact is, running the Android SDK setup apparently uses items in the "android-sdk-windows\tools" directory. I'm on Win Vista x32 so maybe that causes some unique situation - I'm not sure.

Solution:

• I made a copy of the tools folder itself (keeping it at the same directory tree level, thus "tools" and "tools-copy" were both in the "android-sdk-windows" folder).

• I ran Android.bat from that copy

• I ran the update without problems (it updated the original, not-being-used-at-the-moment tools folder, among whatever other items it needed to).

• I closed the SDK, deleted the folder (I had to kill the adb.exe process first - not sure why that always persists but you can't delete the folder without doing that).

• I restarted the SDK from the normal (now-updated) tools folder. Worked like a charm!

Note that simply killing adb.exe was NOT sufficient to get around the original issue... only by copying the tools folder and using the copy to run Android for the duration of the update process was enough to rectify the problem.

I hope this helps others... it's quite vexing to have to spend time resolving basic issues like this just to run an update.

set this jquery min js

script src="http://code.jquery.com/jquery-1.10.1.min.js"

in wp-admin/admin-header.php

You can also use this library which wraps HttpWebRequest and Response into simple methods that return objects based on the results. It uses some of the techniques described in these answers and has plenty of code inspired by answers from this and similar threads. It automatically catches any exceptions, seeks to abstract as much boiler plate code needed to make these web requests as possible, and automatically deserializes the response object.

An example of what your code would look like using this wrapper is as simple as

    var response = httpClient.Get<SomeResponseObject>(request);
    
    if(response.StatusCode == HttpStatusCode.OK)
    {
        //do something with the response
        console.Writeline(response.Body.Id); //where the body param matches the object you pass in as an anonymous type.  
    }else {
         //do something with the error
         console.Writelint(string.Format("{0}: {1}", response.StatusCode.ToString(), response.ErrorMessage);

    }

Full disclosure This library is a free open source wrapper library, and I am the author of said library. I make no money off of this but have found it immensely useful over the years and am sure anyone who is still using the HttpWebRequest / HttpWebResponse classes will too.

It is not a silver bullet but supports get, post, delete with both async and non-async for get and post as well as JSON or XML requests and responses. It is being actively maintained as of 6/21/2020

Just a side info, is_integer is doing internally:

import math
isInteger = (math.floor(x) == x)

Not exactly in python, but the cpython implementation is implemented as mentioned above.

If a fragment is put on backstack, Android simply destroys its view. The fragment instance itself is not killed. A simple way to start should to to listen to the onViewCreated event, an put you "onResume()" logic there.

boolean fragmentAlreadyLoaded = false;
    @Override
    public void onViewCreated(View view, @Nullable Bundle savedInstanceState) {
        // TODO Auto-generated method stub
        super.onViewCreated(view, savedInstanceState);

        if (savedInstanceState == null && !fragmentAlreadyLoaded) {
            fragmentAlreadyLoaded = true;

            // Code placed here will be executed once
        }

        //Code placed here will be executed even when the fragment comes from backstack
    }

DataSource is vendor-specific, for MySql you could use MysqlDataSource which is provided in the MySql Java connector jar:

    MysqlDataSource dataSource = new MysqlDataSource();
    dataSource.setDatabaseName("xyz");
    dataSource.setUser("xyz");
    dataSource.setPassword("xyz");
    dataSource.setServerName("xyz.yourdomain.com");

require 'pathname'

Pathname.new('/opt/local/bin/ruby').basename
# => #<Pathname:ruby>

I haven't been a Windows user in a long time, but the Pathname rdoc says it has no issues with directory-name separators on Windows.

if Condition then command1 : else command2...

Console cons = System.console();

The above code line creates cons as a null reference. The code and output are given below:

Console cons = System.console();
if (cons != null) {
    System.out.println("Enter single character: ");
    char c = (char) cons.reader().read();
    System.out.println(c);
}else{
    System.out.println(cons);
}

Output :

null

The code was tested on macbook pro with java version "1.6.0_37"

W3C CSS Transitions Draft

The completion of a CSS Transition generates a corresponding DOM Event. An event is fired for each property that undergoes a transition. This allows a content developer to perform actions that synchronize with the completion of a transition.

Webkit

To determine when a transition completes, set a JavaScript event listener function for the DOM event that is sent at the end of a transition. The event is an instance of WebKitTransitionEvent, and its type is webkitTransitionEnd.

box.addEventListener( 'webkitTransitionEnd', 
    function( event ) { alert( "Finished transition!" ); }, false );

Mozilla

There is a single event that is fired when transitions complete. In Firefox, the event is transitionend, in Opera, oTransitionEnd, and in WebKit it is webkitTransitionEnd.

Opera

There is one type of transition event available. The oTransitionEnd event occurs at the completion of the transition.

Internet Explorer

The transitionend event occurs at the completion of the transition. If the transition is removed before completion, the event will not fire.

Stack Overflow: How do I normalize CSS3 Transition functions across browsers?

With something like this:

String mDrawableName = "myappicon";
int resID = getResources().getIdentifier(mDrawableName , "drawable", getPackageName());

complementing the following comment

For those who use redux:

class AllowanceClass extends Component{
    ...
    render() {
        const classes = this.props.classes;
        ...
    }
}
    
const COMAllowanceClass = (props) =>
{
    const classes = useStyles();
    return (<AllowanceClass classes={classes} {...props} />);
};

const mapStateToProps = ({ InfoReducer }) => ({
    token: InfoReducer.token,
    user: InfoReducer.user,
    error: InfoReducer.error
});
export default connect(mapStateToProps, { actions })(COMAllowanceClass);

Usually, I don't care about the order of the calls, only that they happened. In that case, I combine assert_any_call with an assertion about call_count.

>>> import mock
>>> m = mock.Mock()
>>> m(1)
<Mock name='mock()' id='37578160'>
>>> m(2)
<Mock name='mock()' id='37578160'>
>>> m(3)
<Mock name='mock()' id='37578160'>
>>> m.assert_any_call(1)
>>> m.assert_any_call(2)
>>> m.assert_any_call(3)
>>> assert 3 == m.call_count
>>> m.assert_any_call(4)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "[python path]\lib\site-packages\mock.py", line 891, in assert_any_call
    '%s call not found' % expected_string
AssertionError: mock(4) call not found

I find doing it this way to be easier to read and understand than a large list of calls passed into a single method.

If you do care about order or you expect multiple identical calls, assert_has_calls might be more appropriate.

Edit

Since I posted this answer, I've rethought my approach to testing in general. I think it's worth mentioning that if your test is getting this complicated, you may be testing inappropriately or have a design problem. Mocks are designed for testing inter-object communication in an object oriented design. If your design is not objected oriented (as in more procedural or functional), the mock may be totally inappropriate. You may also have too much going on inside the method, or you might be testing internal details that are best left unmocked. I developed the strategy mentioned in this method when my code was not very object oriented, and I believe I was also testing internal details that would have been best left unmocked.

GCC works fine. Note that MSVC is not necessarily a valid solution because it does not support C99.

Pscp.exe is painfully slow.

Uploading files using WinSCP is like 10 times faster.

So, to do that from command line, first you got to add the winscp.com file to your %PATH%. It's not a top-level domain, but an executable .com file, which is located in your WinSCP installation directory.

Then just issue a simple command and your file will be uploaded much faster putty ever could:

WinSCP.com /command "open sftp://username:[email protected]:22" "put your_large_file.zip /var/www/somedirectory/" "exit"

And make sure your check the synchronize folders feature, which is basically what rsync does, so you won't ever want to use pscp.exe again.

WinSCP.com /command "help synchronize"

You want to do $arrayOfString[0].Title -eq $myPbiject.item(0).Title

-match is for regex matching ( the second argument is a regex )

Changing this behaviour actually creates a far better user experience than the default behaviour implemented natively. Consider that the behaviour of the enter key is already inconsistent from the user's point of view, because in a single line input, enter tends to submit a form, while in a multi-line textarea, it simply adds a newline to the contents of the field.

I recently did it like this (uses jQuery):

$('input.enterastab, select.enterastab, textarea.enterastab').live('keydown', function(e) {
 if (e.keyCode==13) {
  var focusable = $('input,a,select,button,textarea').filter(':visible');
  focusable.eq(focusable.index(this)+1).focus();
  return false;
 }
});

This is not terribly efficient, but works well enough and is reliable - just add the 'enterastab' class to any input element that should behave in this way.

Try to do an UPDATE. If it doesn't modify any row that means it didn't exist, so do an insert. Obviously, you do this inside a transaction.

You can of course wrap this in a function if you don't want to put the extra code on the client side. You also need a loop for the very rare race condition in that thinking.

There's an example of this in the documentation: http://www.postgresql.org/docs/9.3/static/plpgsql-control-structures.html, example 40-2 right at the bottom.

That's usually the easiest way. You can do some magic with rules, but it's likely going to be a lot messier. I'd recommend the wrap-in-function approach over that any day.

This works for single row, or few row, values. If you're dealing with large amounts of rows for example from a subquery, you're best of splitting it into two queries, one for INSERT and one for UPDATE (as an appropriate join/subselect of course - no need to write your main filter twice)

If you are getting a timeout while on the table designer, change the "Transaction time-out after" value under Tools --> Options --> Designers --> Table and Database Designers

This will get rid of this message: "Timeout expired. The timeout period elapsed prior to completion of the operation or the server is not responding."

Don't know it this is your problem but it was mine.

Void setup() does not name a type

BUT

void setup() is ok.

I found that the sketch I copied for another project was full of 'wrong case' letters. Onc efixed, it ran smoothly.emphasized text

Yes, it will block the other method because synchronized method applies to the WHOLE class object as pointed .... but anyway it will block the other thread execution ONLY while performing the sum in whatever method addA or addB it enters, because when it finish ... the one thread will FREE the object and the other thread will access the other method and so on perfectly working.

I mean the "synchronized" is made precisely for blocking the other thread from accessing another while in a specific code execution. SO FINALLY THIS CODE WILL WORK FINE.

As a final note, if there is an 'a' and 'b' variables, not just an unique variable 'a' or whatever other name, there is no need to synchronize this methods cause it is perfectly safe accesing other var (Other memory location).

class X {

private int a;
private int b;

public void addA(){
    a++;
}

public void addB(){
    b++;
}}

Will work as well

You don't need jQuery to do this. Embrace the power of JavaScript.

window.location.reload()

try this

SimpleDateFormat dateFormat = new SimpleDateFormat("dd-MM-yyyy HH:mm:ss");
String string  = dateFormat.format(new Date());
System.out.println(string);

you can create any format see this

One solution could be to wrap the options inside optgroup:

optgroup { font-size:40px; }

<select>
  <optgroup>
    <option selected="selected" class="service-small">Service area?</option>
    <option class="service-small">Volunteering</option>
    <option class="service-small">Partnership &amp; Support</option>
    <option class="service-small">Business Services</option>
  </optgroup>
</select>

If you can use apache.commons.lang in your project, the easiest way would be just to use the method provided there:

public static boolean containsWhitespace(CharSequence seq)

Check whether the given CharSequence contains any whitespace characters.

Parameters:

seq - the CharSequence to check (may be null) 

Returns:

true if the CharSequence is not empty and contains at least 1 whitespace character

It handles empty and null parameters and provides the functionality at a central place.

You should use method array_push to add value or array to array exists

$stack = array("orange", "banana");
array_push($stack, "apple", "raspberry");
print_r($stack);

/** GENERATED OUTPUT
Array
(
    [0] => orange
    [1] => banana
    [2] => apple
    [3] => raspberry
)
*/

In a class component context...

If the changeHandler method is a normal function:

handleChange(e){
    this.setState({[e.target.name]:[e.target.value]});
}

it can be used such as this...onChange={(e)=>this.handleChange(e)}

<input type="text" name="any" value={this.state.any} onChange={(e)=>this.handleChange(e)}></input>

If the changeHandler method is an arrow function:

handle = (e) =>{
        this.setState({[e.target.name]:[e.target.value]});
    }

it can be used like this... onChange={this.handle}

 <input type="text" name="any2" value={this.state.any2} onChange={this.handle} ></input>

And this solved my "Can't type in React input text field" problem.

In (at least) Ubuntu when using bash, it tells you what package you need to install if you type in a command and its not found in your path. My terminal says you need to install 'texinfo' package.

sudo apt-get install texinfo

In my case this problem persisted when I created and saved the svg using Photoshop. What helped, was opening the file using Illustrator and exporting the svg afterwards.

Just add ?author=<emailaddress> or ?author=<githubUserName> to the url when viewing the "commits" section of a repo.

This works for me:

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <!-- NOTE: order is important (the first matching state(s) is what is rendered) -->
    <item 
        android:state_selected="true" 
        android:drawable="@drawable/info_icon_solid_with_shadow" />
    <item 
        android:drawable="@drawable/info_icon_outline_with_shadow" />
 </selector>

And then in java:

//assign the image in code (or you can do this in your layout xml with the src attribute)
imageButton.setImageDrawable(getBaseContext().getResources().getDrawable(R.drawable....));

//set the click listener
imageButton.setOnClickListener(new OnClickListener() {

    public void onClick(View button) {
        //Set the button's appearance
        button.setSelected(!button.isSelected());

        if (button.isSelected()) {
            //Handle selected state change
        } else {
            //Handle de-select state change
        }

    }

});

For smooth transition you can also mention animation time:

<selector xmlns:android="http://schemas.android.com/apk/res/android" android:exitFadeDuration="@android:integer/config_mediumAnimTime">

It is usually best to avoid browser-specific code where possible. The JQuery $.support property is available for detection of support for particular features rather than relying on browser name and version.

In Opera for example, you can fake an internet explorer or firefox instance.

A detailed description of JQuery.support can be found here: http://api.jquery.com/jQuery.support/

Now deprecated according to jQuery.

We strongly recommend the use of an external library such as Modernizr instead of dependency on properties in jQuery.support.

When coding websites, I always make sure, that basic functionality like navigation is also accessible to non-js users. This may be object to discussion and can be ignored if the homepage is targeted to a special audience.

A better solution would be

Adding some good practices and safity to @acdcjunior's answer, to use @ instead of ./

In JavaScript

require("@/assets/images/user-img-placeholder.png")

In JSX Template

<img src="@/assets/images/user-img-placeholder.png"/>

using @ points to the src directory.

using ~ points to the project root, which makes it easier to access the node_modules and other root level resources

The simplest way : grep -Ril "Your text" /

This is how I implemented my URL builder. I have created one Service class to provide the params for the URL

public interface ParamsProvider {

    String queryProvider(List<BasicNameValuePair> params);

    String bodyProvider(List<BasicNameValuePair> params);
}

The Implementation of methods are below

@Component
public class ParamsProviderImp implements ParamsProvider {
    @Override
    public String queryProvider(List<BasicNameValuePair> params) {
        StringBuilder query = new StringBuilder();
        AtomicBoolean first = new AtomicBoolean(true);
        params.forEach(basicNameValuePair -> {
            if (first.get()) {
                query.append("?");
                query.append(basicNameValuePair.toString());
                first.set(false);
            } else {
                query.append("&");
                query.append(basicNameValuePair.toString());
            }
        });
        return query.toString();
    }

    @Override
    public String bodyProvider(List<BasicNameValuePair> params) {
        StringBuilder body = new StringBuilder();
        AtomicBoolean first = new AtomicBoolean(true);
        params.forEach(basicNameValuePair -> {
            if (first.get()) {
                body.append(basicNameValuePair.toString());
                first.set(false);
            } else {
                body.append("&");
                body.append(basicNameValuePair.toString());
            }
        });
        return body.toString();
    }
}

When we need the query params for our URL, I simply call the service and build it. Example for that is below.

Class Mock{
@Autowired
ParamsProvider paramsProvider;
 String url ="http://www.google.lk";
// For the query params price,type
 List<BasicNameValuePair> queryParameters = new ArrayList<>();
 queryParameters.add(new BasicNameValuePair("price", 100));
 queryParameters.add(new BasicNameValuePair("type", "L"));
url = url+paramsProvider.queryProvider(queryParameters);
// You can use it in similar way to send the body params using the bodyProvider

}

1) Change your .net profile from Client profile to to .Net Framework 4.0 http://msdn.microsoft.com/en-us/library/bb398202.aspx

2) Check your Embed Interop Types flag

http://weblogs.asp.net/cazzu/archive/2011/03/11/check-your-embed-interop-types-flag-when-doing-visual-studio-extensibility-work.aspx

Another potential way to do this for SQL Server, which has less reliance on the system tables (which are subject to change, version to version) is to use the INFORMATION_SCHEMA views:

select COLUMN_NAME, TABLE_NAME
from INFORMATION_SCHEMA.COLUMNS
where COLUMNPROPERTY(object_id(TABLE_SCHEMA+'.'+TABLE_NAME), COLUMN_NAME, 'IsIdentity') = 1
order by TABLE_NAME 

Try the following implementation in Swift 3.0

func delayWithSeconds(_ seconds: Double, completion: @escaping () -> ()) {
    DispatchQueue.main.asyncAfter(deadline: .now() + seconds) { 
        completion()
    }
}

Usage

delayWithSeconds(1) {
   //Do something
}

I think this is a file problem, you simple saved your file in 1-byte encoding like latin-1. Google up your editor and how to set files to utf-8.

I wonder why there are editors that don't default to utf-8.

Some people might be experiencing a solid line. I got around this by adding android:layerType="software" to the view referencing the drawable.

The new fontawesome (version 4.0.3) makes this really easy to do. We simply use the following classes:

<ul class="fa-ul">
  <li><i class="fa-li fa fa-check-square"></i>List icons (like these)</li>
  <li><i class="fa-li fa fa-check-square"></i>can be used</li>
  <li><i class="fa-li fa fa-spinner fa-spin"></i>to replace</li>
  <li><i class="fa-li fa fa-square"></i>default bullets in lists</li>
</ul>

As per this (new) url: http://fontawesome.io/examples/#list

Comparaison of the different methods:

> CGI::escapeHTML("quote ' double quotes \"")
=> "quote ' double quotes ""

> Rack::Utils.escape_html("quote ' double quotes \"")
=> "quote ' double quotes ""

> ERB::Util.html_escape("quote ' double quotes \"")
=> "quote ' double quotes ""

I wrote my own to be compatible with Rails ActiveMailer escaping:

def escape_html(str)
  CGI.escapeHTML(str).gsub("'", "'")
end

//Here is an example 

public class StaticClass 
{
    static int version;
    public void printVersion() {
         System.out.println(version);
    }
}

public class MainClass 
{
    public static void main(String args[]) {  
        StaticClass staticVar1 = new StaticClass();
        staticVar1.version = 10;
        staticVar1.printVersion() // Output 10

        StaticClass staticVar2 = new StaticClass();
        staticVar2.printVersion() // Output 10
        staticVar2.version = 20;
        staticVar2.printVersion() // Output 20
        staticVar1.printVersion() // Output 20
    }
}

your issue will be resolved by properly defining cascading depedencies or by saving the referenced entities before saving the entity that references. Defining cascading is really tricky to get right because of all the subtle variations in how they are used.

Here is how you can define cascades:

@Entity
public class Userrole implements Serializable {

    private static final long serialVersionUID = 1L;

    @Id
    @GeneratedValue(strategy=GenerationType.AUTO)
    private long userroleid;

    private Timestamp createddate;

    private Timestamp deleteddate;

    private String isactive;

    //bi-directional many-to-one association to Role
    @ManyToOne(cascade = CascadeType.ALL)
    @JoinColumn(name="ROLEID")
    private Role role;

    //bi-directional many-to-one association to User
    @ManyToOne(cascade = CascadeType.ALL)
    @JoinColumn(name="USERID")
    private User user;

}

In this scenario, every time you save, update, delete, etc Userrole, the assocaited Role and User will also be saved, updated...

Again, if your use case demands that you do not modify User or Role when updating Userrole, then simply save User or Role before modifying Userrole

Additionally, bidirectional relationships have a one-way ownership. In this case, User owns Bloodgroup. Therefore, cascades will only proceed from User -> Bloodgroup. Again, you need to save User into the database (attach it or make it non-transient) in order to associate it with Bloodgroup.

axios({
  method: 'post',     //put
  url: url,
  headers: {'Authorization': 'Bearer'+token}, 
  data: {
     firstName: 'Keshav', // This is the body part
     lastName: 'Gera'
  }
});

This is deletes the table table_name.

Replace it with the name of the table, which shall be deleted.

DELETE FROM table_name;

The text color can be changed using,

<span style='color:green'> message/text </span>

Add $.fancybox.close() to where ever you want it to be trigged, in a function or a callback, end of an ajax call!

Woohoo.

To stop the user from getting annoyed when the whole text gets selected every time they try to move the caret using their mouse, you should do this using the focus event, not the click event. The following will do the job and works around a problem in Chrome that prevents the simplest version (i.e. just calling the textarea's select() method in a focus event handler) from working.

jsFiddle: http://jsfiddle.net/NM62A/

Code:

<textarea id="foo">Some text</textarea>

<script type="text/javascript">
    var textBox = document.getElementById("foo");
    textBox.onfocus = function() {
        textBox.select();

        // Work around Chrome's little problem
        textBox.onmouseup = function() {
            // Prevent further mouseup intervention
            textBox.onmouseup = null;
            return false;
        };
    };
</script>

jQuery version:

$("#foo").focus(function() {
    var $this = $(this);
    $this.select();

    // Work around Chrome's little problem
    $this.mouseup(function() {
        // Prevent further mouseup intervention
        $this.unbind("mouseup");
        return false;
    });
});

Yes you can! Just tested this and it works great, this is awesome! It still doesn't work with html, but it does with svg.

In my index.html I have:

<div id="test" style="content: url(test.svg); width: 200px; height: 200px;"></div>

And my test.svg looks like this:

<svg xmlns="http://www.w3.org/2000/svg">
   <circle cx="100" cy="50" r="40" stroke="black" stroke-width="2" fill="red"/>
   <polyline points="20,20 40,25 60,40 80,120 120,140 200,180" style="fill:none;stroke:black;stroke-width:3"/>
</svg> 

From your example it seems reasonable to assume that the siteIP column is determined by the siteName column (that is, each site has only one siteIP). If this is indeed the case, then there is a simple solution using group by:

select
  sites.siteName,
  sites.siteIP,
  max(history.date)
from sites
inner join history on
  sites.siteName=history.siteName
group by
  sites.siteName,
  sites.siteIP
order by
  sites.siteName;

However, if my assumption is not correct (that is, it is possible for a site to have multiple siteIP), then it is not clear from you question which siteIP you want the query to return in the second column. If just any siteIP, then the following query will do:

select
  sites.siteName,
  min(sites.siteIP),
  max(history.date)
from sites
inner join history on
  sites.siteName=history.siteName
group by
  sites.siteName
order by
  sites.siteName;

I was searching why % doesn't seem to work. So, I tested out using 100vh instead of just setting it at 100% it seems that 100vh works really well across almost all browsers/devices.

example: you want to only display the top div to the user before it scrolls, like a hero banner module. But, at the top of the page is a navbar which is 68px in height. The following doesn't work for me at all doing just %

height: calc(100% - 68px); 

There's was no change. The page just stayed the same. However, when swapping this to "vh" instead it works great! The div block you assign it too will stay on the viewer's device hight only. Until they decide to scroll down the page.

height: calc(100vh - 68px); 

Change the +/- to include how big your header is on the top. If your navbar is say 120px in height then change 68px to 120px.

Hope this helps anyone who cannot get this working with using normal height: calc();

To get your program to run, please put jsp files under web-content and not under WEB-INF because in Eclipse the files are not accessed there by the server, so try starting the server and browsing to URL:

http://localhost:8080/YourProject/yourfile.jsp

then your problem will be solved.

As far as I can see in the manual, it is not possible to call functions inside HEREDOC strings. A cumbersome way would be to prepare the words beforehand:

<?php

    $world = _("World");

    $str = <<<EOF
    <p>Hello</p>
    <p>$world</p>
EOF;
    echo $str;
?>

a workaround idea that comes to mind is building a class with a magic getter method.

You would declare a class like this:

class Translator
{
 public function __get($name) {
  return _($name); // Does the gettext lookup
  }
 }

Initialize an object of the class at some point:

  $translate = new Translator();

You can then use the following syntax to do a gettext lookup inside a HEREDOC block:

    $str = <<<EOF
    <p>Hello</p>
    <p>{$translate->World}</p>
EOF;
    echo $str;
?>

$translate->World will automatically be translated to the gettext lookup thanks to the magic getter method.

To use this method for words with spaces or special characters (e.g. a gettext entry named Hello World!!!!!!, you will have to use the following notation:

 $translate->{"Hello World!!!!!!"}

This is all untested but should work.

Update: As @mario found out, it is possible to call functions from HEREDOC strings after all. I think using getters like this is a sleek solution, but using a direct function call may be easier. See the comments on how to do this.

Every answer here basically says the same thing, create a regular enum and then use a custom getter to switch between strings.

I employ a much simpler solution that is faster, shorter, and cleaner—using Macros!

#define kNames_allNames ((NSArray <NSString *> *)@[@"Alice", @"Bob", @"Eve"])
#define kNames_alice ((NSString *)kNames_allNames[0])
#define kNames_bob ((NSString *)kNames_allNames[1])
#define kNames_eve ((NSString *)kNames_allNames[2])

Then you can simply start to type kNam... and autocomplete will display the lists you desire!

Additionally, if you want to handle logic for all the names at once you can simply fast enumerate the literal array in order, as follows:

for (NSString *kName in kNames_allNames) {}

Lastly, the NSString casting in the macros ensures behavior similar to typedef!

Enjoy!

You should NOT use jQuery('selector').attr("tagName").toLowerCase(), because it only works in older versions of Jquery.

You could use $('selector').prop("tagName").toLowerCase() if you're certain that you're using a version of jQuery thats >= version 1.6.

Note :

You may think that EVERYONE is using jQuery 1.10+ or something by now (January 2016), but unfortunately that isn't really the case. For example, many people today are still using Drupal 7, and every official release of Drupal 7 to this day includes jQuery 1.4.4 by default.

So if do not know for certain if your project will be using jQuery 1.6+, consider using one of the options that work for ALL versions of jQuery :

Option 1 :

jQuery('selector')[0].tagName.toLowerCase()

Option 2

jQuery('selector')[0].nodeName.toLowerCase()

You can use the command palette to solve this issue.

Step 1: Ctrl + Shift + P (to activate the command palette)

Step 2: Type "Indentation", Choose "Indentation: Convert to Tabs"

I have another way to do this if you're using Nuget to manage your dependencies. I've discovered that sometimes VS and Nuget don't match up and Nuget is unable to recognize that your projects are out of sync. The packages.config will say one thing but the path shown in References - Properties will indicate something else.

If you're willing to update your dependencies, do the following:

1. From Solution Explorer, right click the Project and click 'Manage Nuget Packages'

2. Select 'Installed packages' tab in left pane Record your installed packages You may want to copy your packages.config to your desktop first if you have a lot, so you can cross check it with Google to see what Nuget pkgs are installed

3. Uninstall your packages. Its OK, we're going to add them right back.

4. Immediately install the packages you need. What Nuget will do is not only get you the latest version, but will alter your references, and also add the binding redirects for you.

5. Do this for all of your projects.

6. At the solution level, do a Clean and Rebuild.

You may want to start with the lower projects and work your way to the higher level ones, and rebuild each project as you go along.

If you don't want to update your dependencies, then you can use the package manager console, and use the syntax Update-Package -ProjectName [yourProjectName] [packageName] -Version [versionNumber]

Your document does not contain any element with class content-nav, thus the method .offset() returns undefined which indeed has no top property.

You can see for yourself in this fiddle

alert($('.content-nav').offset());

(you will see "undefined")

To avoid crashing the whole code, you can have such code instead:

var top = ($('.content-nav').offset() || { "top": NaN }).top;
if (isNaN(top)) {
    alert("something is wrong, no top");
} else {
    alert(top);
}

Updated fiddle.

Here is a better way for doing it. Hope this helps

protected void onPostExecute(String result) {
                Log.v(TAG + " result);


                if (!result.equals("")) {

                    // Set up variables for API Call
                    ArrayList<String> list = new ArrayList<String>();

                    try {
                        JSONArray jsonArray = new JSONArray(result);

                        for (int i = 0; i < jsonArray.length(); i++) {

                            list.add(jsonArray.get(i).toString());

                        }//end for
                    } catch (JSONException e) {
                        Log.e(TAG, "onPostExecute > Try > JSONException => " + e);
                        e.printStackTrace();
                    }


                    adapter = new ArrayAdapter<String>(ListViewData.this, android.R.layout.simple_list_item_1, android.R.id.text1, list);
                    listView.setAdapter(adapter);
                    listView.setOnItemClickListener(new OnItemClickListener() {
                        @Override
                        public void onItemClick(AdapterView<?> parent, View view, int position, long id) {

                            // ListView Clicked item index
                            int itemPosition = position;

                            // ListView Clicked item value
                            String itemValue = (String) listView.getItemAtPosition(position);

                            // Show Alert
                            Toast.makeText( ListViewData.this, "Position :" + itemPosition + "  ListItem : " + itemValue, Toast.LENGTH_LONG).show();
                        }
                    });

                    adapter.notifyDataSetChanged();
...

Typescript from v1.4 has the type keyword which declares a type alias (analogous to a typedef in C/C++). You can declare your callback type thus:

type CallbackFunction = () => void;

which declares a function that takes no arguments and returns nothing. A function that takes zero or more arguments of any type and returns nothing would be:

type CallbackFunctionVariadic = (...args: any[]) => void;

Then you can say, for example,

let callback: CallbackFunctionVariadic = function(...args: any[]) {
  // do some stuff
};

If you want a function that takes an arbitrary number of arguments and returns anything (including void):

type CallbackFunctionVariadicAnyReturn = (...args: any[]) => any;

You can specify some mandatory arguments and then a set of additional arguments (say a string, a number and then a set of extra args) thus:

type CallbackFunctionSomeVariadic =
  (arg1: string, arg2: number, ...args: any[]) => void;

This can be useful for things like EventEmitter handlers.

Functions can be typed as strongly as you like in this fashion, although you can get carried away and run into combinatoric problems if you try to nail everything down with a type alias.

I had the same problem (readyState was 4 and status 0), then I followed a different approach explained in this tutorial: https://spring.io/guides/gs/consuming-rest-jquery/

He didn't use XMLHttpRequest at all, instead he used jquery $.ajax() method:

<head>
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script>
    <script src="hello.js"></script>
</head>

<body>
    <div>
        <p class="greeting-id">The ID is </p>
        <p class="greeting-content">The content is </p>
    </div>
</body>

and for the public/hello.js file (or you could insert it in the same HTML code directly):

$(document).ready(function() 
 {
    $.ajax({
        url: "http://rest-service.guides.spring.io/greeting"
   }).then(function(data) {
      $('.greeting-id').append(data.id);
      $('.greeting-content').append(data.content);
   });
 });

Late but document fragment could be a node:

function hasChild(el){
    var child = el && el.firstChild;
    while (child) {
        if (child.nodeType === 1 || child.nodeType === 11) {
            return true;
        }
        child = child.nextSibling;
    }
    return false;
}
// or
function hasChild(el){
    for (var i = 0; el && el.childNodes[i]; i++) {
        if (el.childNodes[i].nodeType === 1 || el.childNodes[i].nodeType === 11) {
            return true;
        }
    }
    return false;
}

See:
https://github.com/k-gun/so/blob/master/so.dom.js#L42
https://github.com/k-gun/so/blob/master/so.dom.js#L741

You can use the setTimeout or setInterval functions.

I understand using a global variable is sometimes the most convenient thing to do, especially in cases where usage of class makes the easiest thing so much harder (e.g., multiprocessing). I ran into the same problem with declaring global variables and figured it out with some experiments.

The reason that g_c was not changed by the run function within your class is that the referencing to the global name within g_c was not established precisely within the function. The way Python handles global declaration is in fact quite tricky. The command global g_c has two effects:

1. Preconditions the entrance of the key "g_c" into the dictionary accessible by the built-in function, globals(). However, the key will not appear in the dictionary until after a value is assigned to it.

2. (Potentially) alters the way Python looks for the variable g_c within the current method.

The full understanding of (2) is particularly complex. First of all, it only potentially alters, because if no assignment to the name g_c occurs within the method, then Python defaults to searching for it among the globals(). This is actually a fairly common thing, as is the case of referencing within a method modules that are imported all the way at the beginning of the code.

However, if an assignment command occurs anywhere within the method, Python defaults to finding the name g_c within local variables. This is true even when a referencing occurs before an actual assignment, which will lead to the classic error:

UnboundLocalError: local variable 'g_c' referenced before assignment

Now, if the declaration global g_c occurs anywhere within the method, even after any referencing or assignment, then Python defaults to finding the name g_c within global variables. However, if you are feeling experimentative and place the declaration after a reference, you will be rewarded with a warning:

SyntaxWarning: name 'g_c' is used prior to global declaration

If you think about it, the way the global declaration works in Python is clearly woven into and consistent with how Python normally works. It's just when you actually want a global variable to work, the norm becomes annoying.

Here is a code that summarizes what I just said (with a few more observations):

g_c = 0
print ("Initial value of g_c: " + str(g_c))
print("Variable defined outside of method automatically global? "
      + str("g_c" in globals()))

class TestClass():
    def direct_print(self):
        print("Directly printing g_c without declaration or modification: "
              + str(g_c))
        #Without any local reference to the name
        #Python defaults to search for the variable in globals()
        #This of course happens for all the module names you import

    def mod_without_dec(self):
        g_c = 1
        #A local assignment without declaring reference to global variable
        #makes Python default to access local name
        print ("After mod_without_dec, local g_c=" + str(g_c))
        print ("After mod_without_dec, global g_c=" + str(globals()["g_c"]))


    def mod_with_late_dec(self):
        g_c = 2
        #Even with a late declaration, the global variable is accessed
        #However, a syntax warning will be issued
        global g_c
        print ("After mod_with_late_dec, local g_c=" + str(g_c))
        print ("After mod_with_late_dec, global g_c=" + str(globals()["g_c"]))

    def mod_without_dec_error(self):
        try:
            print("This is g_c" + str(g_c))
        except:
            print("Error occured while accessing g_c")
            #If you try to access g_c without declaring it global
            #but within the method you also alter it at some point
            #then Python will not search for the name in globals()
            #!!!!!Even if the assignment command occurs later!!!!!
        g_c = 3

    def sound_practice(self):
        global g_c
        #With correct declaration within the method
        #The local name g_c becomes an alias for globals()["g_c"]
        g_c = 4
        print("In sound_practice, the name g_c points to: " + str(g_c))


t = TestClass()
t.direct_print()
t.mod_without_dec()
t.mod_with_late_dec()
t.mod_without_dec_error()
t.sound_practice()

Mindless passenger has a project that allows you to call a stored proc from entity frame work like this....

using (testentities te = new testentities())
{
    //-------------------------------------------------------------
    // Simple stored proc
    //-------------------------------------------------------------
    var parms1 = new testone() { inparm = "abcd" };
    var results1 = te.CallStoredProc<testone>(te.testoneproc, parms1);
    var r1 = results1.ToList<TestOneResultSet>();
}

... and I am working on a stored procedure framework (here) which you can call like in one of my test methods shown below...

[TestClass]
public class TenantDataBasedTests : BaseIntegrationTest
{
    [TestMethod]
    public void GetTenantForName_ReturnsOneRecord()
    {
        // ARRANGE
        const int expectedCount = 1;
        const string expectedName = "Me";

        // Build the paraemeters object
        var parameters = new GetTenantForTenantNameParameters
        {
            TenantName = expectedName
        };

        // get an instance of the stored procedure passing the parameters
        var procedure = new GetTenantForTenantNameProcedure(parameters);

        // Initialise the procedure name and schema from procedure attributes
        procedure.InitializeFromAttributes();

        // Add some tenants to context so we have something for the procedure to return!
        AddTenentsToContext(Context);

        // ACT
        // Get the results by calling the stored procedure from the context extention method 
        var results = Context.ExecuteStoredProcedure(procedure);

        // ASSERT
        Assert.AreEqual(expectedCount, results.Count);
    }
}

internal class GetTenantForTenantNameParameters
{
    [Name("TenantName")]
    [Size(100)]
    [ParameterDbType(SqlDbType.VarChar)]
    public string TenantName { get; set; }
}

[Schema("app")]
[Name("Tenant_GetForTenantName")]
internal class GetTenantForTenantNameProcedure
    : StoredProcedureBase<TenantResultRow, GetTenantForTenantNameParameters>
{
    public GetTenantForTenantNameProcedure(
        GetTenantForTenantNameParameters parameters)
        : base(parameters)
    {
    }
}

If either of those two approaches are any good?

Hard link Vs Soft link can be easily explained by this image.

For a better experience, I would recommend the shop.genymotion.com licensed genymotion. If you want to test it out, first you can get genymotion here

Building on Mike Monkiewicz answer you can also specify a single or more files to checkout from the supplied sha1/branch.

git checkout -p bc66559 -- path/to/file.java 

This will allow you to interactively pick the changes you want to have applied to your current version of the file.

To check for assignability, you can use the Type.IsAssignableFrom method:

typeof(SomeType).IsAssignableFrom(typeof(Derived))

This will work as you expect for type-equality, inheritance-relationships and interface-implementations but not when you are looking for 'assignability' across explicit / implicit conversion operators.

To check for strict inheritance, you can use Type.IsSubclassOf:

typeof(Derived).IsSubclassOf(typeof(SomeType))

If you can use inline styling, you can set the left and right padding on each td.. Or you use an extra td between columns and set a number of non-breaking spaces as @rene kindly suggested.

http://jsfiddle.net/u5mN4/

http://jsfiddle.net/u5mN4/1/

Both are pretty ugly ;p css ftw

Had the same problem. Here's how I solved it: Go to Package Explorer. Right click on JRE System Library and go to Properties. In the Classpath Container > Select JRE for the project build path select the third option (Workspace default JRE).

Source : https://thenewboston.com/forum/topic.php?id=3917

You need to make the object first, then use [] to set it.

var key = "happyCount";
var obj = {};
obj[key] = someValueArray;
myArray.push(obj);

UPDATE 2018:

If you're able to use ES6 and Babel, you can use this new feature:

{
    [yourKeyVariable]: someValueArray,
}  

If multiple characters are bound inside a single integer/long, as was my issue:

s = '0123456789'
nchars = len(s)
# string to int or long. Type depends on nchars
x = sum(ord(s[byte])<<8*(nchars-byte-1) for byte in range(nchars))
# int or long to string
''.join(chr((x>>8*(nchars-byte-1))&0xFF) for byte in range(nchars))

Yields '0123456789' and x = 227581098929683594426425L

Once you clear the interval using clearInterval you could setInterval once again. And to avoid repeating the callback externalize it as a separate function:

var ticker = function() {
    console.log('idle');
};

then:

var myTimer = window.setInterval(ticker, 4000);

then when you decide to restart:

window.clearInterval(myTimer);
myTimer = window.setInterval(ticker, 4000);

In my case, the server was sending the correct Content-Type but with an incorrect Content-Encoding. Make sure that you only set Content-Encoding: gzip for gzipped resources. Also, after I fixed the headers in the server (in my case, Google Cloud Storage), I had to wait a few minutes to properly reflect the changes due to caching.

Label is an inline element - so, unless a width is defined, its width is exact the same which the letters span. Your div element is a block element so its width is by default 100%.

You will have to place the text-align: right; on the div element in your case, or applying display: block; to your label

Another option is to set a width for each label and then use text-align. The display: block method will not be necessary using this.

On the Rails side, params is a method that returns an ActionController::Parameters object. See https://stackoverflow.com/a/44070358/5462485

Microsoft now recommends using an IHttpClientFactory with the following benefits:

• Provides a central location for naming and configuring logical HttpClient instances. For example, a client named github could be registered and configured to access GitHub. A default client can be registered for general access.
• Codifies the concept of outgoing middleware via delegating handlers in HttpClient. Provides extensions for Polly-based middleware to take advantage of delegating handlers in HttpClient.
• Manages the pooling and lifetime of underlying HttpClientMessageHandler instances. Automatic management avoids common DNS (Domain Name System) problems that occur when manually managing HttpClient lifetimes.
• Adds a configurable logging experience (via ILogger) for all requests sent through clients created by the factory.

https://docs.microsoft.com/en-us/aspnet/core/fundamentals/http-requests?view=aspnetcore-3.1

Setup:

public class Startup
{
    public Startup(IConfiguration configuration)
    {
        Configuration = configuration;
    }

    public IConfiguration Configuration { get; }

    public void ConfigureServices(IServiceCollection services)
    {
        services.AddHttpClient();
        // Remaining code deleted for brevity.

POST example:

public class BasicUsageModel : PageModel
{
    private readonly IHttpClientFactory _clientFactory;

    public BasicUsageModel(IHttpClientFactory clientFactory)
    {
        _clientFactory = clientFactory;
    }
    
    public async Task CreateItemAsync(TodoItem todoItem)
    {
        var todoItemJson = new StringContent(
            JsonSerializer.Serialize(todoItem, _jsonSerializerOptions),
            Encoding.UTF8,
            "application/json");
            
        var httpClient = _clientFactory.CreateClient();
        
        using var httpResponse =
            await httpClient.PostAsync("/api/TodoItems", todoItemJson);
    
        httpResponse.EnsureSuccessStatusCode();
    }

https://docs.microsoft.com/en-us/aspnet/core/fundamentals/http-requests?view=aspnetcore-3.1#make-post-put-and-delete-requests

Most updated way to achieve this is:

Add this to your EditText in XML:

android:imeOptions="actionSearch"

Then in your Activity/Fragment:

EditText.setOnEditorActionListener { _, actionId, _ ->
    if (actionId == EditorInfo.IME_ACTION_SEARCH) {
        // Do what you want here
        return@setOnEditorActionListener true
    }
    return@setOnEditorActionListener false
}

I may sound quite naive, and may attract quite a criticism, but here's how I did it,
(It doesn't involve ajax for export, but it doesn't do a full postback either )

Thanks for this post and this answer.
Create a simple controller

public class HomeController : Controller
{               
   /* A demo action
    public ActionResult Index()
    {           
        return View(model);
    }
   */
    [HttpPost]
    public FileResult ExportData()
    {
        /* An example filter
        var filter = TempData["filterKeys"] as MyFilter;
        TempData.Keep();            */
        var someList = db.GetDataFromDb(/*filter*/) // filter as an example

    /*May be here's the trick, I'm setting my filter in TempData["filterKeys"] 
     in an action,(GetFilteredPartial() illustrated below) when 'searching' for the data,
     so do not really need ajax here..to pass my filters.. */

     //Some utility to convert list to Datatable
     var dt = Utility.ConvertToDataTable(someList); 

      //  I am using EPPlus nuget package 
      using (ExcelPackage pck = new ExcelPackage())
      {
          ExcelWorksheet ws = pck.Workbook.Worksheets.Add("Sheet1");
          ws.Cells["A1"].LoadFromDataTable(dt, true);

            using (var memoryStream = new MemoryStream())
            {                   
              pck.SaveAs(memoryStream);
              return File(memoryStream.ToArray(),
              "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
              "ExportFileName.xlsx");                    
            }                
        }   
    }

    //This is just a supporting example to illustrate setting up filters ..        
   /* [HttpPost]
    public PartialViewResult GetFilteredPartial(MyFilter filter)
    {            
        TempData["filterKeys"] = filter;
        var filteredData = db.GetConcernedData(filter);
        var model = new MainViewModel();
        model.PartialViewModel = filteredData;

        return PartialView("_SomePartialView", model);
    } */     
} 

And here are the Views..

/*Commenting out the View code, in order to focus on the imp. code     
 @model Models.MainViewModel
 @{Layout...}     

      Some code for, say, a partial View  
      <div id="tblSampleBody">
        @Html.Partial("_SomePartialView", Model.PartialViewModel)
      </div>
  */                                                       
//The actual part.. Just **posting** this bit of data from the complete View...
//Here, you are not posting the full Form..or the complete View
   @using (Html.BeginForm("ExportData", "Home", FormMethod.Post))
    {
        <input type="submit" value="Export Data" />
    }
//...
//</div>

/*And you may require to pass search/filter values.. as said in the accepted answer..
That can be done while 'searching' the data.. and not while
 we need an export..for instance:-             

<script>             
  var filterData = {
      SkipCount: someValue,
      TakeCount: 20,
      UserName: $("#UserName").val(),
      DepartmentId: $("#DepartmentId").val(),     
   }

  function GetFilteredData() {
       $("#loader").show();
       filterData.SkipCount = 0;
       $.ajax({
          url: '@Url.Action("GetFilteredPartial","Home")',
          type: 'POST',
          dataType: "html",
          data: filterData,
          success: function (dataHTML) {
          if ((dataHTML === null) || (dataHTML == "")) {
              $("#tblSampleBody").html('<tr><td>No Data Returned</td></tr>');
                $("#loader").hide();
            } else {
                $("#tblSampleBody").html(dataHTML);                    
                $("#loader").hide();
            }
        }
     });
   }    
</script>*/

The whole point of the trick seems that, we are posting a form (a part of the Razor View ) upon which we are calling an Action method, which returns: a FileResult, and this FileResult returns the Excel File..
And for posting the filter values, as said, ( and if you require to), I am making a post request to another action, as has been attempted to describe..

If the value assigned to a static final boolean field is known at compile-time, it is a constant. Fields of primitive or String type can be compile-time constants. A constant will be inlined in any code that references the field. Since the field is not actually read at runtime, changing it then will have no effect.

The Java language specification says this:

If a field is a constant variable (§4.12.4), then deleting the keyword final or changing its value will not break compatibility with pre-existing binaries by causing them not to run, but they will not see any new value for the usage of the field unless they are recompiled. This is true even if the usage itself is not a compile-time constant expression (§15.28)

Here's an example:

class Flag {
  static final boolean FLAG = true;
}

class Checker {
  public static void main(String... argv) {
    System.out.println(Flag.FLAG);
  }
}

If you decompile Checker, you'll see that instead of referencing Flag.FLAG, the code simply pushes a value of 1 (true) onto the stack (instruction #3).

0:   getstatic       #2; //Field java/lang/System.out:Ljava/io/PrintStream;
3:   iconst_1
4:   invokevirtual   #3; //Method java/io/PrintStream.println:(Z)V
7:   return

It's not what I would call outstanding, but this also works if you need to call the script from the shell anyway. It's not a good solution, but for a single static environment variable, it works well enough.

1.) Create a script with a condition that exits either 0 (Successful) or 1 (Not successful)

if [[ $foo == "True" ]]; then
    exit 0
else
    exit 1

2.) Create an alias that is dependent on the exit code.

alias='myscript.sh && export MyVariable'

You call the alias, which calls the script, which evaluates the condition, which is required to exit zero via the '&&' in order to set the environment variable in the parent shell.

This is flotsam, but it can be useful in a pinch.

I have 1 WorkBook("SOURCE") that contains around 20 Sheets. I want to copy only 1 particular sheet to another Workbook("TARGET") using Excel VBA. Please note that the "TARGET" Workbook doen't exist yet. It should be created at runtime.

Another Way

Sub Sample()
    '~~> Change Sheet1 to the relevant sheet
    '~~> This will create a new workbook with the relevant sheet
    ThisWorkbook.Sheets("Sheet1").Copy

    '~~> Save the new workbook
    ActiveWorkbook.SaveAs "C:\Target.xlsx", FileFormat:=51
End Sub

This will automatically create a new workbook called Target.xlsx with the relevant sheet

The solutions I've seen are from the perspective of adding javascript features to a theme. However, the OP asked, specifically, "How exactly do I add it for a single WordPress page?" This sounds like it might be how I use javascript in my Wordpress blog, where individual posts may have different javascript-powered "widgets". For instance, a post might let the user change variables (sliders, checkboxes, text input fields), and plots or lists the results.

Starting from the JavaScript perspective:

1. Write your JavaScript functions in a separate “.js” file

Don’t even think about including significant JavaScript in your post’s html—create a JavaScript file, or files, with your code.

2. Interface your JavaScript with your post's html

If your JavaScript widget interacts with html controls and fields, you’ll need to understand how to query and set those elements from JavaScript, and also how to let UI elements call your JavaScript functions. Here are a couple of examples; first, from JavaScript:

var val = document.getElementById(“AM_Freq_A_3”).value;

And from html:

<input type="range" id="AM_Freq_A_3" class="freqSlider" min="0" max="1000" value="0" oninput='sliderChanged_AM_widget(this);'/>

3. Use jQuery to call your JavaScript widget’s initialization function

Add this to your .js file, using the name of your function that configures and draws your JavaScript widget when the page is ready for it:

jQuery(document).ready(function( $ ) {
    your_init_function();
});

4. In your post’s html code, load the scripts needed for your post

In the Wordpress code editor, I typically specify the scripts at the end of the post. For instance, I have a scripts folder in my main directory. Inside I have a utilities directory with common JavaScript that some of my posts may share—in this case some of my own math utility function and the flotr2 plotting library. I find it more convenient to group the post-specific JavaScript in another directory, with subdirectories based on date instead of using the media manager, for instance.

<script type="text/javascript" src="/scripts/utils/flotr2.min.js"></script>
<script type="text/javascript" src="/scripts/utils/math.min.js"></script>
<script type="text/javascript" src="/scripts/widgets/20161207/FreqRes.js"></script>

5. Enqueue jQuery

Wordpress registers jQuery, but it isn’t available unless you tell Wordpress you need it, by enqueuing it. If you don’t, the jQuery command will fail. Many sources tell you how to add this command to your functions.php, but assume you know some other important details.

First, it’s a bad idea to edit a theme—any future update of the theme will wipe out your changes. Make a child theme. Here’s how:

https://developer.wordpress.org/themes/advanced-topics/child-themes/

The child’s functions.php file does not override the parent theme’s file of the same name, it adds to it. The child-themes tutorial suggest how to enqueue the parent and child style.css file. We can simply add another line to that function to also enqueue jQuery. Here's my entire functions.php file for the child theme:

<?php
add_action( 'wp_enqueue_scripts', 'earlevel_scripts_enqueue' );
function earlevel_scripts_enqueue() {
    // styles
    $parent_style = 'parent-style';
    wp_enqueue_style( $parent_style, get_template_directory_uri() . '/style.css' );
    wp_enqueue_style( 'child-style',
        get_stylesheet_directory_uri() . '/style.css',
        array( $parent_style ),
        wp_get_theme()->get('Version')
    );

    // posts with js widgets need jquery
    wp_enqueue_script('jquery');
}

Since filenames in UNIX may contain newlines (yes, newlines), wc -l might count too many files. I would print a dot for every file and then count the dots:

find DIR_NAME -type f -printf "." | wc -c

I found this on React's Github issues: Works like a charm (v15.6.2)

Here is how I implemented to a Text input:

changeInputValue = newValue => {

    const e = new Event('input', { bubbles: true })
    const input = document.querySelector('input[name=' + this.props.name + ']')
    console.log('input', input)
    this.setNativeValue(input, newValue)
    input.dispatchEvent(e)
  }

  setNativeValue (element, value) {
    const valueSetter = Object.getOwnPropertyDescriptor(element, 'value').set
    const prototype = Object.getPrototypeOf(element)
    const prototypeValueSetter = Object.getOwnPropertyDescriptor(
      prototype,
      'value'
    ).set

    if (valueSetter && valueSetter !== prototypeValueSetter) {
      prototypeValueSetter.call(element, value)
    } else {
      valueSetter.call(element, value)
    }
  }

I have a similar issue, but to make landscape... I believe the code below should do the trick:

//This code consider you are using the fullscreen portrait mode_x000D_
function processOrientation(forceOrientation) {_x000D_
  var orientation = window.orientation;_x000D_
  if (forceOrientation != undefined)_x000D_
    orientation = forceOrientation;_x000D_
  var domElement = document.getElementById('fullscreen-element-div');_x000D_
  switch(orientation) {_x000D_
    case 90:_x000D_
      var width = window.innerHeight;_x000D_
      var height = window.innerWidth;_x000D_
      domElement.style.width = "100vh";_x000D_
      domElement.style.height = "100vw";_x000D_
      domElement.style.transformOrigin="50% 50%";_x000D_
      domElement.style.transform="translate("+(window.innerWidth/2-width/2)+"px, "+(window.innerHeight/2-height/2)+"px) rotate(-90deg)";_x000D_
      break;_x000D_
    case -90:_x000D_
      var width = window.innerHeight;_x000D_
      var height = window.innerWidth;_x000D_
      domElement.style.width = "100vh";_x000D_
      domElement.style.height = "100vw";_x000D_
      domElement.style.transformOrigin="50% 50%";_x000D_
      domElement.style.transform="translate("+(window.innerWidth/2-width/2)+"px, "+(window.innerHeight/2-height/2)+"px) rotate(90deg)";_x000D_
      break;_x000D_
    default:_x000D_
      domElement.style.width = "100vw";_x000D_
      domElement.style.height = "100vh";_x000D_
      domElement.style.transformOrigin="";_x000D_
      domElement.style.transform="";_x000D_
      break;_x000D_
  }_x000D_
}_x000D_
window.addEventListener('orientationchange', processOrientation);_x000D_
processOrientation();

<html>_x000D_
<head></head>_x000D_
<body style="margin:0;padding:0;overflow: hidden;">_x000D_
  <div id="fullscreen-element-div" style="background-color:#00ff00;width:100vw;height:100vh;margin:0;padding:0"> Test_x000D_
  <br>_x000D_
  <input type="button" value="force 90" onclick="processOrientation(90);" /><br>_x000D_
  <input type="button" value="force -90" onclick="processOrientation(-90);" /><br>_x000D_
  <input type="button" value="back to normal" onclick="processOrientation();" />_x000D_
  </div>_x000D_
</body>_x000D_
</html>

There is the semicolon missing (;) after the "50%"

but you should also notice that the percentage of your div is connected to the div that contains it.

for instance:

<div id="wrapper">
  <div class="container">
   adsf
  </div>
</div>

#wrapper {
  height:100px;
}
.container
{
  width:80%;
  height:50%;
  background-color:#eee;
}

here the height of your .container will be 50px. it will be 50% of the 100px from the wrapper div.

if you have:

adsf

#wrapper {
  height:400px;
}
.container
{
  width:80%;
  height:50%;
  background-color:#eee;
}

then you .container will be 200px. 50% of the wrapper.

So you may want to look at the divs "wrapping" your ".container"...

It seems that you want to use step parameter of range function. From documentation:

range(start, stop[, step]) This is a versatile function to create lists containing arithmetic progressions. It is most often used in for loops. The arguments must be plain integers. If the step argument is omitted, it defaults to 1. If the start argument is omitted, it defaults to 0. The full form returns a list of plain integers [start, start + step, start + 2 * step, ...]. If step is positive, the last element is the largest start + i * step less than stop; if step is negative, the last element is the smallest start + i * step greater than stop. step must not be zero (or else ValueError is raised). Example:

 >>> range(10) [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
 >>> range(1, 11) [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
 >>> range(0, 30, 5) [0, 5, 10, 15, 20, 25]
 >>> range(0, 10, 3) [0, 3, 6, 9]
 >>> range(0, -10, -1) [0, -1, -2, -3, -4, -5, -6, -7, -8, -9]
 >>> range(0) []
 >>> range(1, 0) []

In your case to get [0,2,4] you can use:

range(0,6,2)

OR in your case when is a var:

idx = None
for i in range(len(str1)):
    if idx and i < idx:
        continue
    for j in range(len(str2)):
        if str1[i+j] != str2[j]:
            break
    else:
        idx = i+j

Simple solution if your are using express and doing

const router = express.Router();

make sure to

module.exports = router ;

at the end of your page

There's no need to set a fact.

    - shell: cat "hello"
      register: cat_contents

    - shell: echo "I cat hello"
      when: cat_contents.stdout == "hello"

Other people have already answered you how to rollback, but you also asked how you could identify the version number of a migration.

• rake db:migrate:status gives a list of your migrations version, name and status (up or down)
• Your can also find the migration file, which contain a timestamp in the filename, that is the version number. Migrations are located in folder: /db/migrate

Apache is an HTTP web server which serve as HTTP.

Apache Tomcat is a java servlet container. It features same as web server but is customized to execute java servlet and JSP pages.

hellow your main class was deleted so add new class that name set as Main.cs and pest that code or if porblem in window so same problem on that

using System;
using System.Collections.Generic;
using System.Linq;
using Foundation;
using UIKit;

namespace your_PKG_name.iOS
{
       public class Application
        {
            // This is the main entry point of the application.
            static void Main(string[] args)
            {
                // if you want to use a different Application Delegate class from "AppDelegate"
                // you can specify it here.
                UIApplication.Main(args, null, "AppDelegate");

            }
        }
}

Try: if(parseInt(order)>0){....

See what Microsoft says.

The core of async programming is the Task and Task objects, which model asynchronous operations. They are supported by the async and await keywords. The model is fairly simple in most cases:

• For I/O-bound code, you await an operation which returns a Task or Task inside of an async method.

• For CPU-bound code, you await an operation which is started on a background thread with the Task.Run method.

The await keyword is where the magic happens. It yields control to the caller of the method that performed await, and it ultimately allows a UI to be responsive or a service to be elastic.

I/O-Bound Example: Downloading data from a web service

private readonly HttpClient _httpClient = new HttpClient();

downloadButton.Clicked += async (o, e) =>
{
    // This line will yield control to the UI as the request
    // from the web service is happening.
    //
    // The UI thread is now free to perform other work.
    var stringData = await _httpClient.GetStringAsync(URL);
    DoSomethingWithData(stringData);
};

CPU-bound Example: Performing a Calculation for a Game

private DamageResult CalculateDamageDone()
{
    // Code omitted:
    //
    // Does an expensive calculation and returns
    // the result of that calculation.
}

calculateButton.Clicked += async (o, e) =>
{
    // This line will yield control to the UI while CalculateDamageDone()
    // performs its work.  The UI thread is free to perform other work.
    var damageResult = await Task.Run(() => CalculateDamageDone());
    DisplayDamage(damageResult);
};

Examples above showed how you can use async and await for I/O-bound and CPU-bound work. It's key that you can identify when a job you need to do is I/O-bound or CPU-bound, because it can greatly affect the performance of your code and could potentially lead to misusing certain constructs.

Here are two questions you should ask before you write any code:

Will your code be "waiting" for something, such as data from a database?

• If your answer is "yes", then your work is I/O-bound.

Will your code be performing a very expensive computation?

• If you answered "yes", then your work is CPU-bound.

If the work you have is I/O-bound, use async and await without Task.Run. You should not use the Task Parallel Library. The reason for this is outlined in the Async in Depth article.

If the work you have is CPU-bound and you care about responsiveness, use async and await but spawn the work off on another thread with Task.Run. If the work is appropriate for concurrency and parallelism, you should also consider using the Task Parallel Library.

1. Simple solution to find index for any string value in the List.

Here is code for List Of String:

int indexOfValue = myList.FindIndex(a => a.Contains("insert value from list"));

2. Simple solution to find index for any Integer value in the List.

Here is Code for List Of Integer:

    int indexOfNumber = myList.IndexOf(/*insert number from list*/);

The page is using excanvas - a JS library that simulates the canvas element using IE's VML renderer.

Note that in Internet Explorer 9, the canvas tag is supported natively! See MSDN docs for details...

My personal preference is to build rpm packages for CentOS when installing non-standard software and replacing distributed components. For this I recommend that you use Mock to create a clean build environment.

The procedure is:

1. Obtain the source RPMS or a suitable SPEC file and pristine source tarball. In this case one may find source RPM packages for git2X for CentOS-6 at: http://dl.iuscommunity.org/pub/ius/archive/CentOS/6/SRPMS/. Packages for other CentOS releases are also available.

2. Install the necessary support software:

   yum install epel-release  # you need this for mock
   yum install rpm-build
   yum install redhat-rpm-config
   yum install rpmdevtools
   yum install mock
   

3. Add a rpm build user account (do not build as root or as a real user - security issues will come back to bite you).

   sudo adduser builder --home-dir /home/builder \
   --create-home --user-group --groups mock \
   --shell /bin/bash --comment "rpm package builder"
   

4. Next we need a build environment.

   su -l builder
   rpmdev-setuptree
   

   This produces the following directory structure:

   ~
   +-- rpmbuild
       +-- BUILD
       +-- RPMS
       +-- SOURCES
       +-- SPECS
       +-- SRPMS
   

5. We are using a prepared SRPMS so the SOURCES tarballs can be ignored for this case and we can go direct to SRPMS.

   wget http://dl.iuscommunity.org/pub/ius/archive/CentOS/6/SRPMS/git2u-2.5.3-1.ius.centos6.src.rpm \
   -O ~/rpmbuild/SRPMS/git2u-2.5.3-1.ius.centos6.src.rpm
   

6. Configure mock (as root)

   cd /etc/mock
   rm default.cfg
   ln -s epel-6-x86_64.cfg default.cfg
   vim default.cfg
   

   Disable the beta repos. Enable the base and update repos.

7. Initialize the build tree (/var/lib/mock is default)

   mock --init
   

8. If we were building from SOURCES then this is where we would employ the SPEC file and use mock --buildsrpm . . .. But in this case we go directly to the binary build step:

   mock --no-clean --rebuild ~/rpmbuild/SRPMS/git2u-2.5.3-1.ius.centos6.src.rpm
   

   This will resolve the build dependencies and download them (about 95 or so packages) into the clean build root. It will then extract the sources and build the binary from the provided SRPM and leave it in /var/lib/mock/epel-6-x86_64/result; or in whatever custom build root location and architecture you provided. It will take a long time. There is a lot to this package; particularly documentation.

9. If all goes well then you should end up with a suit of RPM packages suitable for installation in place of the distro version. This is what I ended up with:

   ll /var/lib/mock/epel-6-x86_64/result
   total 34996
   -rw-rw-r--. 1 byrnejb mock   448455 Oct 30 10:09 build.log
   -rw-rw-r--. 1 byrnejb mock    52464 Oct 30 10:09 emacs-git2u-2.5.3-1.ius.el6.noarch.rpm
   -rw-rw-r--. 1 byrnejb mock    47228 Oct 30 10:09 emacs-git2u-el-2.5.3-1.ius.el6.noarch.rpm
   -rw-rw-r--. 1 byrnejb mock  8474478 Oct 30 09:57 git2u-2.5.3-1.ius.el6.src.rpm
   -rw-rw-r--. 1 byrnejb mock  8877584 Oct 30 10:09 git2u-2.5.3-1.ius.el6.x86_64.rpm
   -rw-rw-r--. 1 byrnejb mock    27284 Oct 30 10:09 git2u-all-2.5.3-1.ius.el6.noarch.rpm
   -rw-rw-r--. 1 byrnejb mock    27800 Oct 30 10:09 git2u-bzr-2.5.3-1.ius.el6.noarch.rpm
   -rw-rw-r--. 1 byrnejb mock   112564 Oct 30 10:09 git2u-cvs-2.5.3-1.ius.el6.noarch.rpm
   -rw-rw-r--. 1 byrnejb mock   436176 Oct 30 10:09 git2u-daemon-2.5.3-1.ius.el6.x86_64.rpm
   -rw-rw-r--. 1 byrnejb mock 15858600 Oct 30 10:09 git2u-debuginfo-2.5.3-1.ius.el6.x86_64.rpm
   -rw-rw-r--. 1 byrnejb mock    60556 Oct 30 10:09 git2u-email-2.5.3-1.ius.el6.noarch.rpm
   -rw-rw-r--. 1 byrnejb mock   274888 Oct 30 10:09 git2u-gui-2.5.3-1.ius.el6.noarch.rpm
   -rw-rw-r--. 1 byrnejb mock    79176 Oct 30 10:09 git2u-p4-2.5.3-1.ius.el6.noarch.rpm
   -rw-rw-r--. 1 byrnejb mock   483132 Oct 30 10:09 git2u-svn-2.5.3-1.ius.el6.x86_64.rpm
   -rw-rw-r--. 1 byrnejb mock   173732 Oct 30 10:09 gitk2u-2.5.3-1.ius.el6.noarch.rpm
   -rw-rw-r--. 1 byrnejb mock   115692 Oct 30 10:09 gitweb2u-2.5.3-1.ius.el6.noarch.rpm
   -rw-rw-r--. 1 byrnejb mock    57196 Oct 30 10:09 perl-Git2u-2.5.3-1.ius.el6.noarch.rpm
   -rw-rw-r--. 1 byrnejb mock    89900 Oct 30 10:09 perl-Git2u-SVN-2.5.3-1.ius.el6.noarch.rpm
   -rw-rw-r--. 1 byrnejb mock   101026 Oct 30 10:09 root.log
   -rw-rw-r--. 1 byrnejb mock      980 Oct 30 10:09 state.log
   

10. Install using yum or rpm.

    You will require git2u-2.5.3-1.ius.el6.x86_64.rpm at a minimum and such additional support packages as it requires (perl-Git2u-2.5.3-1.ius.el6.noarch.rpm) or you desire.

    This build has a cyclic dependency: git2u-2.5.3-1.ius.el6.x86_64.rpm depends upon perl-Git2u-2.5.3-1.ius.el6.noarch.rpm and perl-Git2u-2.5.3-1.ius.el6.noarch.rpm depends upon git2u-2.5.3-1.ius.el6.x86_64.rpm. A straight install with rpm will thus fail.

    There are two ways of dealing with it:

    • Install both at the same time via yum:

      yum localinstall \
        git2u-2.5.3-1.ius.el6.x86_64.rpm \
        perl-Git2u-2.5.3-1.ius.el6.noarch.rpm`
      

    • Setup a local yum repo.

      I am including my LocalFile.repo file below as it contains instructions on how to do this and provides the necessary repo file at the same time.

cat /etc/yum.repos.d/LocalFile.repo
# LocalFile.repo
#
#  This repo is used with a local filesystem repo.
#
# To use this repo place the rpm package in /root/RPMS/yum.repo/Packages.
# Then run: createrepo --database --update /root/RPMS/yum.repo.
#
# To use:
#  yum --enablerepo=localfile [command]
#  
# or to use only ONLY this repo, do this:
#
#  yum --disablerepo=\* --enablerepo=localfile [command]

[localfile]
baseurl=file:///root/RPMS/yum.repo
name=CentOS-$releasever - Local Filesystem repo

# Before persistently enabling this repo see the priority note below.
enabled=0
gpgcheck=0

# When this repo is enabled all packages in repos with priority>5
# will not be updated even when they have a more recent version.
# Be careful with this.
priority=5

You also may be required to manually pre-install additional dependency packages such as perl-TermReadKey available from the usual repositories.

Code:

while True:
        n += 1
        try:
          DATA[n]['message']['text']
        except:
          key = DATA[n-1]['message']['text']
          break

Console :

Traceback (most recent call last):
  File "botnet.py", line 82, in <module>
    key =DATA[n-1]['message']['text']
IndexError: list index out of range

If you install the "cssnext" Post CSS plugin, then you can safely start using the syntax that you want to use right now.

Using cssnext will turn this:

input:not([type="radio"], [type="checkbox"]) {
  /* css here */
}

Into this:

input:not([type="radio"]):not([type="checkbox"]) {
  /* css here */
}

https://cssnext.github.io/features/#not-pseudo-class

This is good in the general case:

yourPath.Split(@"\/", StringSplitOptions.RemoveEmptyEntries)

There is no empty element in the returned array if the path itself ends in a (back)slash (e.g. "\foo\bar\"). However, you will have to be sure that yourPath is really a directory and not a file. You can find out what it is and compensate if it is a file like this:

if(Directory.Exists(yourPath)) {
  var entries = yourPath.Split(@"\/", StringSplitOptions.RemoveEmptyEntries);
}
else if(File.Exists(yourPath)) {
  var entries = Path.GetDirectoryName(yourPath).Split(
                    @"\/", StringSplitOptions.RemoveEmptyEntries);
}
else {
  // error handling
}

I believe this covers all bases without being too pedantic. It will return a string[] that you can iterate over with foreach to get each directory in turn.

If you want to use constants instead of the @"\/" magic string, you need to use

var separators = new char[] {
  Path.DirectorySeparatorChar,  
  Path.AltDirectorySeparatorChar  
};

and then use separators instead of @"\/" in the code above. Personally, I find this too verbose and would most likely not do it.

There is no way to recursively search through the classpath. You need to know the Full pathname of a resource to be able to retrieve it in this way. The resource may be in a directory in the file system or in a jar file so it is not as simple as performing a directory listing of "the classpath". You will need to provide the full path of the resource e.g. '/com/mypath/bla.xml'.

For your second question, getResource will return the first resource that matches the given resource name. The order that the class path is searched is given in the javadoc for getResource.

Enable Multidex through build.gradle of your app module

multiDexEnabled true

Same as below -

android {
    compileSdkVersion 27
    defaultConfig {
        applicationId "com.xx.xxx"
        minSdkVersion 15
        targetSdkVersion 27
        versionCode 1
        versionName "1.0"
        multiDexEnabled true //Add this
        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
    }
    buildTypes {
        release {
            shrinkResources true
            minifyEnabled true
            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
        }
    }
}

Then follow below steps -

1. From the Build menu -> press the Clean Project button.
2. When task completed, press the Rebuild Project button from the Build menu.
3. From menu File -> Invalidate cashes / Restart

compile is now deprecated so it's better to use implementation or api

For me

sudo apt-get install php5-mcrypt 

solved the issue

When installing Jenkins from AWS Marketplace . . .

"A default user "admin"with the instance-id as password is created to secure the Jenkins instance."

On the AWS Console for EC2, with the instance selected, choose the "Usage Instructions" tab:

"AWS Marketplace Usage Instructions Latest Versions: 2.19.4.2 A default user "admin"with the instance-id as password is created to secure the Jenkins instance. Once the instance is started, copy the public DNS hostname of the server in the AWS Management Console and enter it in your web browser. The welcome screen allows you to request a trial license, start and evaluation, enter a license key, or connect to your instance to Operations Center. Once the license step is done, your instance is fully functional. We recommend enabling security and backups. You can connect with SSH to the server using the "ubuntu"linux user. The JENKINS_HOME is located under "/var/lib/jenkins". Jenkins listens on the following ports: * HTTP 80: through HAProxy, can be configured to use HTTPS:443 instead * Jenkins SSH 2222: primarily for the CloudBees Git Validated Merge Plugin * Jenkins JNLP 10000: communication from Jenkins agents or Jenkins CLI configured to use JNLP protocol. Not exposed by default on security groups."

Generally you can achieve the same effect by using normal blocking IO and multiplexing several IO operations using select(2), poll(2) or some other system calls available on your system.

See The C10K problem for the comparison of approaches to scalable IO multiplexing.

Script for backward-compatibility: https://github.com/douglascrockford/JSON-js/blob/master/json2.js

And call:

var myJsonString = JSON.stringify(yourArray);

Note: The JSON object is now part of most modern web browsers (IE 8 & above). See caniuse for full listing. Credit goes to: @Spudley for his comment below

NameValueCollection nvclc = Request.Form;
string   uName= nvclc ["txtUserName"];
string   pswod= nvclc ["txtPassword"];
//try login
CheckLogin(uName, pswod);

An updated version from Kelsey :

$(function GetInfo() {
    var network = new ActiveXObject('WScript.Network');
        alert('User ID : ' + network.UserName + '\nComputer Name : ' + network.ComputerName + '\nDomain Name : ' + network.UserDomain);
        document.getElementById('<%= currUserID.ClientID %>').value = network.UserName;
        document.getElementById('<%= currMachineName.ClientID %>').value = network.ComputerName;
        document.getElementById('<%= currMachineDOmain.ClientID %>').value = network.UserDomain;
});

To store the value, add these control :

<asp:HiddenField ID="currUserID" runat="server" /> <asp:HiddenField ID="currMachineName" runat="server" /> <asp:HiddenField ID="currMachineDOmain" runat="server" />

Where you also can calling it from behind like this :

Page.ClientScript.RegisterStartupScript(this.GetType(), "MachineInfo", "GetInfo();", true);

HTML are markup languages, basically they are set of tags like <html>, <body>, which is used to present a website using css, and javascript as a whole. All these, happen in the clients system or the user you will be browsing the website.

Now, Connecting to a database, happens on whole another level. It happens on server, which is where the website is hosted.

So, in order to connect to the database and perform various data related actions, you have to use server-side scripts, like php, jsp, asp.net etc.

Now, lets see a snippet of connection using MYSQLi Extension of PHP

$db = mysqli_connect('hostname','username','password','databasename');

This single line code, is enough to get you started, you can mix such code, combined with HTML tags to create a HTML page, which is show data based pages. For example:

<?php
    $db = mysqli_connect('hostname','username','password','databasename');
?>
<html>
    <body>
          <?php
                $query = "SELECT * FROM `mytable`;";
                $result = mysqli_query($db, $query);
                while($row = mysqli_fetch_assoc($result)) {
                      // Display your datas on the page
                }
          ?>
    </body>
</html>

In order to insert new data into the database, you can use phpMyAdmin or write a INSERT query and execute them.

Since the verification is based on package's name, you can change the package name inside your config.xml or manifest file for another name you want.

When publishing your app don't forget to change back the name!

• For those using pandas.DataFrame.plot(), matplotlib.axes.Axes is returned when creating a plot from a dataframe. As such, the dataframe plot can be assigned to a variable, ax, which enables the usage of the associated formatting methods.
• The default plotting backend for pandas, is matplotlib.

import pandas as pd

# test dataframe
data = {'a': range(20), 'date': pd.bdate_range('2021-01-09', freq='D', periods=20)}
df = pd.DataFrame(data)

# plot the dataframe and assign the returned axes
ax = df.plot(x='date', color='green', ylabel='values', xlabel='date', figsize=(8, 6))

# set various colors
ax.spines['bottom'].set_color('blue')
ax.spines['top'].set_color('red') 
ax.spines['right'].set_color('magenta')
ax.spines['left'].set_color('orange')
ax.xaxis.label.set_color('purple')
ax.yaxis.label.set_color('silver')
ax.tick_params(colors='red', which='both')  # 'both' refers to minor and major axes

How to generate a random point within a circle of radius R:

r = R * sqrt(random())
theta = random() * 2 * PI

(Assuming random() gives a value between 0 and 1 uniformly)

If you want to convert this to Cartesian coordinates, you can do

x = centerX + r * cos(theta)
y = centerY + r * sin(theta)

Why sqrt(random())?

Let's look at the math that leads up to sqrt(random()). Assume for simplicity that we're working with the unit circle, i.e. R = 1.

The average distance between points should be the same regardless of how far from the center we look. This means for example, that looking on the perimeter of a circle with circumference 2 we should find twice as many points as the number of points on the perimeter of a circle with circumference 1.

Since the circumference of a circle (2πr) grows linearly with r, it follows that the number of random points should grow linearly with r. In other words, the desired probability density function (PDF) grows linearly. Since a PDF should have an area equal to 1 and the maximum radius is 1, we have

So we know how the desired density of our random values should look like. Now: How do we generate such a random value when all we have is a uniform random value between 0 and 1?

We use a trick called inverse transform sampling

1. From the PDF, create the cumulative distribution function (CDF)
2. Mirror this along y = x
3. Apply the resulting function to a uniform value between 0 and 1.

Sounds complicated? Let me insert a blockquote with a little side track that conveys the intuition:

Suppose we want to generate a random point with the following distribution:

                

That is

• 1/5 of the points uniformly between 1 and 2, and
• 4/5 of the points uniformly between 2 and 3.

The CDF is, as the name suggests, the cumulative version of the PDF. Intuitively: While PDF(x) describes the number of random values at x, CDF(x) describes the number of random values less than x.

In this case the CDF would look like:

                

To see how this is useful, imagine that we shoot bullets from left to right at uniformly distributed heights. As the bullets hit the line, they drop down to the ground:

                

See how the density of the bullets on the ground correspond to our desired distribution! We're almost there!

The problem is that for this function, the y axis is the output and the x axis is the input. We can only "shoot bullets from the ground straight up"! We need the inverse function!

This is why we mirror the whole thing; x becomes y and y becomes x:

                

We call this CDF^-1. To get values according to the desired distribution, we use CDF^-1(random()).

…so, back to generating random radius values where our PDF equals 2x.

Step 1: Create the CDF:

Since we're working with reals, the CDF is expressed as the integral of the PDF.

CDF(x) = ? 2x = x²

Step 2: Mirror the CDF along y = x:

Mathematically this boils down to swapping x and y and solving for y:

CDF:     y = x²
Swap:   x = y²
Solve:   y = √x
CDF^-1:  y = √x

Step 3: Apply the resulting function to a uniform value between 0 and 1

CDF^-1(random()) = √random()

Which is what we set out to derive :-)

If you are running in Windows you can use the following command.

Drive:

cd "Script location"
schtasks /run /tn "TASK1"
schtasks /run /tn "TASK2"
schtasks /run /tn "TASK3"
exit

The below seems to work for me.

using System;
using System.Reflection;

public class ReflectStatic
{
    private static int SomeNumber {get; set;}
    public static object SomeReference {get; set;}
    static ReflectStatic()
    {
        SomeReference = new object();
        Console.WriteLine(SomeReference.GetHashCode());
    }
}

public class Program
{
    public static void Main()
    {
        var rs = new ReflectStatic();
        var pi = rs.GetType().GetProperty("SomeReference",  BindingFlags.Static | BindingFlags.Public);
        if(pi == null) { Console.WriteLine("Null!"); Environment.Exit(0);}
        Console.WriteLine(pi.GetValue(rs, null).GetHashCode());


    }
}

There is an algorithm std::merge from C++17, which is very easy to use when the input vectors are sorted,

Below is the example:

#include <iostream>
#include <vector>
#include <algorithm>

int main()
{
    //DATA
    std::vector<int> v1{2,4,6,8};
    std::vector<int> v2{12,14,16,18};

    //MERGE
    std::vector<int> dst;
    std::merge(v1.begin(), v1.end(), v2.begin(), v2.end(), std::back_inserter(dst));

    //PRINT
    for(auto item:dst)
        std::cout<<item<<" ";

    return 0;
}

you have to pass the csrf field through ajax please look at the code here

$.ajax({
                                        type: "POST",
                                        url:'{{URL::to("/delete-specialist")}}',
                                        data: {
                                            id: id,

                                            _token: $('#signup-token').val()
                                        },
                                        datatype: 'html',
                                        success: function (response) {
                                            if(response=="deleted"){
                                                $("#"+id).hide();
                                                $("#message").html("successfully deleted");
                                            }

                                        }

                                    });

and you also need to write this input field before this

<input id="signup-token" name="_token" type="hidden" value="{{csrf_token()}}">

still if you do not understand please enjoy this video https://www.youtube.com/watch?v=ykXL8o0slJA&t=20s

SET @cnt=0; 
SELECT s.* 
FROM   (SELECT ( @cnt := @cnt + 1 ) AS rank, 
               a.* 
        FROM   one AS a 
        ORDER  BY a.salary DESC) AS s 
WHERE  s.rank = '3'; 

No.

The following solution relies on JavaScript.

<button type="button" onclick="location.href='http://www.stackoverflow.com'">ABC</button>

If the button is to be placed inside an existing <form> with method="post", then ensure the button has the attribute type="button" otherwise the button will submit the POST operation. In this way you can have a <form> that contains a mixture of GET and POST operation buttons.

You are calling DoDownloadAsync() but you don't wait it. So your program going to the next line. But there is another problem, Async methods should return Task or Task<T>, if you return nothing and you want your method will be run asyncronously you should define your method like this:

private static async Task DoDownloadAsync()     {         WebClient w = new WebClient();          string txt = await w.DownloadStringTaskAsync("http://www.google.com/");         Debug.WriteLine(txt);     } 

And in Main method you can't await for DoDownloadAsync, because you can't use await keyword in non-async function, and you can't make Main async. So consider this:

var result = DoDownloadAsync();  Debug.WriteLine("DoDownload done"); result.Wait(); 

Another way to refresh the current page using selenium in Java.

//first: get the current URL in a String variable
String currentURL = driver.getCurrentUrl(); 
//second: call the current URL
driver.get(currentURL); 

Using this will refresh the current page like clicking the address bar of the browser and pressing enter.

Please use the below kotlin code

webview.setWebViewClient(object : WebViewClient() {
            override fun shouldOverrideUrlLoading(view: WebView, url: String): Boolean {   
                view.loadUrl(url)
                return false 
            }
        })

For more info click here

This works for 3 bytes. Live code is here

def twos_compliment(byte_arr):
   a = byte_arr[0]; b = byte_arr[1]; c = byte_arr[2]
   out = ((a<<16)&0xff0000) | ((b<<8)&0xff00) | (c&0xff)
   neg = (a & (1<<7) != 0)  # first bit of a is the "signed bit." if it's a 1, then the value is negative
   if neg: out -= (1 << 24)
   print(hex(a), hex(b), hex(c), neg, out)
   return out


twos_compliment([0x00, 0x00, 0x01])
>>> 1

twos_compliment([0xff,0xff,0xff])
>>> -1

twos_compliment([0b00010010, 0b11010110, 0b10000111])
>>> 1234567

twos_compliment([0b11101101, 0b00101001, 0b01111001])
>>> -1234567

twos_compliment([0b01110100, 0b11001011, 0b10110001])
>>> 7654321

twos_compliment([0b10001011, 0b00110100, 0b01001111])
>>> -7654321

Security researchers Jean-Baptiste Bédrune and Jean Sigwald presented how to do this at Hack-in-the-box Amsterdam 2011.

Since then, Apple has released an iOS Security Whitepaper with more details about keys and algorithms, and Charlie Miller et al. have released the iOS Hacker’s Handbook, which covers some of the same ground in a how-to fashion. When iOS 10 first came out there were changes to the backup format which Apple did not publicize at first, but various people reverse-engineered the format changes.

Encrypted backups are great

The great thing about encrypted iPhone backups is that they contain things like WiFi passwords that aren’t in regular unencrypted backups. As discussed in the iOS Security Whitepaper, encrypted backups are considered more “secure,” so Apple considers it ok to include more sensitive information in them.

An important warning: obviously, decrypting your iOS device’s backup removes its encryption. To protect your privacy and security, you should only run these scripts on a machine with full-disk encryption. While it is possible for a security expert to write software that protects keys in memory, e.g. by using functions like VirtualLock() and SecureZeroMemory() among many other things, these Python scripts will store your encryption keys and passwords in strings to be garbage-collected by Python. This means your secret keys and passwords will live in RAM for a while, from whence they will leak into your swap file and onto your disk, where an adversary can recover them. This completely defeats the point of having an encrypted backup.

How to decrypt backups: in theory

The iOS Security Whitepaper explains the fundamental concepts of per-file keys, protection classes, protection class keys, and keybags better than I can. If you’re not already familiar with these, take a few minutes to read the relevant parts.

Now you know that every file in iOS is encrypted with its own random per-file encryption key, belongs to a protection class, and the per-file encryption keys are stored in the filesystem metadata, wrapped in the protection class key.

To decrypt:

1. Decode the keybag stored in the BackupKeyBag entry of Manifest.plist. A high-level overview of this structure is given in the whitepaper. The iPhone Wiki describes the binary format: a 4-byte string type field, a 4-byte big-endian length field, and then the value itself.

   The important values are the PBKDF2 ITERations and SALT, the double protection salt DPSL and iteration count DPIC, and then for each protection CLS, the WPKY wrapped key.

2. Using the backup password derive a 32-byte key using the correct PBKDF2 salt and number of iterations. First use a SHA256 round with DPSL and DPIC, then a SHA1 round with ITER and SALT.

   Unwrap each wrapped key according to RFC 3394.

3. Decrypt the manifest database by pulling the 4-byte protection class and longer key from the ManifestKey in Manifest.plist, and unwrapping it. You now have a SQLite database with all file metadata.

4. For each file of interest, get the class-encrypted per-file encryption key and protection class code by looking in the Files.file database column for a binary plist containing EncryptionKey and ProtectionClass entries. Strip the initial four-byte length tag from EncryptionKey before using.

   Then, derive the final decryption key by unwrapping it with the class key that was unwrapped with the backup password. Then decrypt the file using AES in CBC mode with a zero IV.

How to decrypt backups: in practice

First you’ll need some library dependencies. If you’re on a mac using a homebrew-installed Python 2.7 or 3.7, you can install the dependencies with:

CFLAGS="-I$(brew --prefix)/opt/openssl/include" \
LDFLAGS="-L$(brew --prefix)/opt/openssl/lib" \    
    pip install biplist fastpbkdf2 pycrypto

In runnable source code form, here is how to decrypt a single preferences file from an encrypted iPhone backup:

#!/usr/bin/env python3.7
# coding: UTF-8

from __future__ import print_function
from __future__ import division

import argparse
import getpass
import os.path
import pprint
import random
import shutil
import sqlite3
import string
import struct
import tempfile
from binascii import hexlify

import Crypto.Cipher.AES # https://www.dlitz.net/software/pycrypto/
import biplist
import fastpbkdf2
from biplist import InvalidPlistException


def main():
    ## Parse options
    parser = argparse.ArgumentParser()
    parser.add_argument('--backup-directory', dest='backup_directory',
                    default='testdata/encrypted')
    parser.add_argument('--password-pipe', dest='password_pipe',
                        help="""\
Keeps password from being visible in system process list.
Typical use: --password-pipe=<(echo -n foo)
""")
    parser.add_argument('--no-anonymize-output', dest='anonymize',
                        action='store_false')
    args = parser.parse_args()
    global ANONYMIZE_OUTPUT
    ANONYMIZE_OUTPUT = args.anonymize
    if ANONYMIZE_OUTPUT:
        print('Warning: All output keys are FAKE to protect your privacy')

    manifest_file = os.path.join(args.backup_directory, 'Manifest.plist')
    with open(manifest_file, 'rb') as infile:
        manifest_plist = biplist.readPlist(infile)
    keybag = Keybag(manifest_plist['BackupKeyBag'])
    # the actual keys are unknown, but the wrapped keys are known
    keybag.printClassKeys()

    if args.password_pipe:
        password = readpipe(args.password_pipe)
        if password.endswith(b'\n'):
            password = password[:-1]
    else:
        password = getpass.getpass('Backup password: ').encode('utf-8')

    ## Unlock keybag with password
    if not keybag.unlockWithPasscode(password):
        raise Exception('Could not unlock keybag; bad password?')
    # now the keys are known too
    keybag.printClassKeys()

    ## Decrypt metadata DB
    manifest_key = manifest_plist['ManifestKey'][4:]
    with open(os.path.join(args.backup_directory, 'Manifest.db'), 'rb') as db:
        encrypted_db = db.read()

    manifest_class = struct.unpack('<l', manifest_plist['ManifestKey'][:4])[0]
    key = keybag.unwrapKeyForClass(manifest_class, manifest_key)
    decrypted_data = AESdecryptCBC(encrypted_db, key)

    temp_dir = tempfile.mkdtemp()
    try:
        # Does anyone know how to get Python’s SQLite module to open some
        # bytes in memory as a database?
        db_filename = os.path.join(temp_dir, 'db.sqlite3')
        with open(db_filename, 'wb') as db_file:
            db_file.write(decrypted_data)
        conn = sqlite3.connect(db_filename)
        conn.row_factory = sqlite3.Row
        c = conn.cursor()
        # c.execute("select * from Files limit 1");
        # r = c.fetchone()
        c.execute("""
            SELECT fileID, domain, relativePath, file
            FROM Files
            WHERE relativePath LIKE 'Media/PhotoData/MISC/DCIM_APPLE.plist'
            ORDER BY domain, relativePath""")
        results = c.fetchall()
    finally:
        shutil.rmtree(temp_dir)

    for item in results:
        fileID, domain, relativePath, file_bplist = item

        plist = biplist.readPlistFromString(file_bplist)
        file_data = plist['$objects'][plist['$top']['root'].integer]
        size = file_data['Size']

        protection_class = file_data['ProtectionClass']
        encryption_key = plist['$objects'][
            file_data['EncryptionKey'].integer]['NS.data'][4:]

        backup_filename = os.path.join(args.backup_directory,
                                    fileID[:2], fileID)
        with open(backup_filename, 'rb') as infile:
            data = infile.read()
            key = keybag.unwrapKeyForClass(protection_class, encryption_key)
            # truncate to actual length, as encryption may introduce padding
            decrypted_data = AESdecryptCBC(data, key)[:size]

        print('== decrypted data:')
        print(wrap(decrypted_data))
        print()

        print('== pretty-printed plist')
        pprint.pprint(biplist.readPlistFromString(decrypted_data))

##
# this section is mostly copied from parts of iphone-dataprotection
# http://code.google.com/p/iphone-dataprotection/

CLASSKEY_TAGS = [b"CLAS",b"WRAP",b"WPKY", b"KTYP", b"PBKY"]  #UUID
KEYBAG_TYPES = ["System", "Backup", "Escrow", "OTA (icloud)"]
KEY_TYPES = ["AES", "Curve25519"]
PROTECTION_CLASSES={
    1:"NSFileProtectionComplete",
    2:"NSFileProtectionCompleteUnlessOpen",
    3:"NSFileProtectionCompleteUntilFirstUserAuthentication",
    4:"NSFileProtectionNone",
    5:"NSFileProtectionRecovery?",

    6: "kSecAttrAccessibleWhenUnlocked",
    7: "kSecAttrAccessibleAfterFirstUnlock",
    8: "kSecAttrAccessibleAlways",
    9: "kSecAttrAccessibleWhenUnlockedThisDeviceOnly",
    10: "kSecAttrAccessibleAfterFirstUnlockThisDeviceOnly",
    11: "kSecAttrAccessibleAlwaysThisDeviceOnly"
}
WRAP_DEVICE = 1
WRAP_PASSCODE = 2

class Keybag(object):
    def __init__(self, data):
        self.type = None
        self.uuid = None
        self.wrap = None
        self.deviceKey = None
        self.attrs = {}
        self.classKeys = {}
        self.KeyBagKeys = None #DATASIGN blob
        self.parseBinaryBlob(data)

    def parseBinaryBlob(self, data):
        currentClassKey = None

        for tag, data in loopTLVBlocks(data):
            if len(data) == 4:
                data = struct.unpack(">L", data)[0]
            if tag == b"TYPE":
                self.type = data
                if self.type > 3:
                    print("FAIL: keybag type > 3 : %d" % self.type)
            elif tag == b"UUID" and self.uuid is None:
                self.uuid = data
            elif tag == b"WRAP" and self.wrap is None:
                self.wrap = data
            elif tag == b"UUID":
                if currentClassKey:
                    self.classKeys[currentClassKey[b"CLAS"]] = currentClassKey
                currentClassKey = {b"UUID": data}
            elif tag in CLASSKEY_TAGS:
                currentClassKey[tag] = data
            else:
                self.attrs[tag] = data
        if currentClassKey:
            self.classKeys[currentClassKey[b"CLAS"]] = currentClassKey

    def unlockWithPasscode(self, passcode):
        passcode1 = fastpbkdf2.pbkdf2_hmac('sha256', passcode,
                                        self.attrs[b"DPSL"],
                                        self.attrs[b"DPIC"], 32)
        passcode_key = fastpbkdf2.pbkdf2_hmac('sha1', passcode1,
                                            self.attrs[b"SALT"],
                                            self.attrs[b"ITER"], 32)
        print('== Passcode key')
        print(anonymize(hexlify(passcode_key)))
        for classkey in self.classKeys.values():
            if b"WPKY" not in classkey:
                continue
            k = classkey[b"WPKY"]
            if classkey[b"WRAP"] & WRAP_PASSCODE:
                k = AESUnwrap(passcode_key, classkey[b"WPKY"])
                if not k:
                    return False
                classkey[b"KEY"] = k
        return True

    def unwrapKeyForClass(self, protection_class, persistent_key):
        ck = self.classKeys[protection_class][b"KEY"]
        if len(persistent_key) != 0x28:
            raise Exception("Invalid key length")
        return AESUnwrap(ck, persistent_key)

    def printClassKeys(self):
        print("== Keybag")
        print("Keybag type: %s keybag (%d)" % (KEYBAG_TYPES[self.type], self.type))
        print("Keybag version: %d" % self.attrs[b"VERS"])
        print("Keybag UUID: %s" % anonymize(hexlify(self.uuid)))
        print("-"*209)
        print("".join(["Class".ljust(53),
                    "WRAP".ljust(5),
                    "Type".ljust(11),
                    "Key".ljust(65),
                    "WPKY".ljust(65),
                    "Public key"]))
        print("-"*208)
        for k, ck in self.classKeys.items():
            if k == 6:print("")

            print("".join(
                [PROTECTION_CLASSES.get(k).ljust(53),
                str(ck.get(b"WRAP","")).ljust(5),
                KEY_TYPES[ck.get(b"KTYP",0)].ljust(11),
                anonymize(hexlify(ck.get(b"KEY", b""))).ljust(65),
                anonymize(hexlify(ck.get(b"WPKY", b""))).ljust(65),
            ]))
        print()

def loopTLVBlocks(blob):
    i = 0
    while i + 8 <= len(blob):
        tag = blob[i:i+4]
        length = struct.unpack(">L",blob[i+4:i+8])[0]
        data = blob[i+8:i+8+length]
        yield (tag,data)
        i += 8 + length

def unpack64bit(s):
    return struct.unpack(">Q",s)[0]
def pack64bit(s):
    return struct.pack(">Q",s)

def AESUnwrap(kek, wrapped):
    C = []
    for i in range(len(wrapped)//8):
        C.append(unpack64bit(wrapped[i*8:i*8+8]))
    n = len(C) - 1
    R = [0] * (n+1)
    A = C[0]

    for i in range(1,n+1):
        R[i] = C[i]

    for j in reversed(range(0,6)):
        for i in reversed(range(1,n+1)):
            todec = pack64bit(A ^ (n*j+i))
            todec += pack64bit(R[i])
            B = Crypto.Cipher.AES.new(kek).decrypt(todec)
            A = unpack64bit(B[:8])
            R[i] = unpack64bit(B[8:])

    if A != 0xa6a6a6a6a6a6a6a6:
        return None
    res = b"".join(map(pack64bit, R[1:]))
    return res

ZEROIV = "\x00"*16
def AESdecryptCBC(data, key, iv=ZEROIV, padding=False):
    if len(data) % 16:
        print("AESdecryptCBC: data length not /16, truncating")
        data = data[0:(len(data)/16) * 16]
    data = Crypto.Cipher.AES.new(key, Crypto.Cipher.AES.MODE_CBC, iv).decrypt(data)
    if padding:
        return removePadding(16, data)
    return data

##
# here are some utility functions, one making sure I don’t leak my
# secret keys when posting the output on Stack Exchange

anon_random = random.Random(0)
memo = {}
def anonymize(s):
    if type(s) == str:
        s = s.encode('utf-8')
    global anon_random, memo
    if ANONYMIZE_OUTPUT:
        if s in memo:
            return memo[s]
        possible_alphabets = [
            string.digits,
            string.digits + 'abcdef',
            string.ascii_letters,
            "".join(chr(x) for x in range(0, 256)),
        ]
        for a in possible_alphabets:
            if all((chr(c) if type(c) == int else c) in a for c in s):
                alphabet = a
                break
        ret = "".join([anon_random.choice(alphabet) for i in range(len(s))])
        memo[s] = ret
        return ret
    else:
        return s

def wrap(s, width=78):
    "Return a width-wrapped repr(s)-like string without breaking on \’s"
    s = repr(s)
    quote = s[0]
    s = s[1:-1]
    ret = []
    while len(s):
        i = s.rfind('\\', 0, width)
        if i <= width - 4: # "\x??" is four characters
            i = width
        ret.append(s[:i])
        s = s[i:]
    return '\n'.join("%s%s%s" % (quote, line ,quote) for line in ret)

def readpipe(path):
    if stat.S_ISFIFO(os.stat(path).st_mode):
        with open(path, 'rb') as pipe:
            return pipe.read()
    else:
        raise Exception("Not a pipe: {!r}".format(path))

if __name__ == '__main__':
    main()

Which then prints this output:

Warning: All output keys are FAKE to protect your privacy
== Keybag
Keybag type: Backup keybag (1)
Keybag version: 3
Keybag UUID: dc6486c479e84c94efce4bea7169ef7d
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Class                                                WRAP Type       Key                                                              WPKY                                                             Public key
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
NSFileProtectionComplete                             2    AES                                                                         4c80b6da07d35d393fc7158e18b8d8f9979694329a71ceedee86b4cde9f97afec197ad3b13c5d12b
NSFileProtectionCompleteUnlessOpen                   2    AES                                                                         09e8a0a9965f00f213ce06143a52801f35bde2af0ad54972769845d480b5043f545fa9b66a0353a6
NSFileProtectionCompleteUntilFirstUserAuthentication 2    AES                                                                         e966b6a0742878ce747cec3fa1bf6a53b0d811ad4f1d6147cd28a5d400a8ffe0bbabea5839025cb5
NSFileProtectionNone                                 2    AES                                                                         902f46847302816561e7df57b64beea6fa11b0068779a65f4c651dbe7a1630f323682ff26ae7e577
NSFileProtectionRecovery?                            3    AES                                                                         a3935fed024cd9bc11d0300d522af8e89accfbe389d7c69dca02841df46c0a24d0067dba2f696072

kSecAttrAccessibleWhenUnlocked                       2    AES                                                                         09a1856c7e97a51a9c2ecedac8c3c7c7c10e7efa931decb64169ee61cb07a0efb115050fd1e33af1
kSecAttrAccessibleAfterFirstUnlock                   2    AES                                                                         0509d215f2f574efa2f192efc53c460201168b26a175f066b5347fc48bc76c637e27a730b904ca82
kSecAttrAccessibleAlways                             2    AES                                                                         b7ac3c4f1e04896144ce90c4583e26489a86a6cc45a2b692a5767b5a04b0907e081daba009fdbb3c
kSecAttrAccessibleWhenUnlockedThisDeviceOnly         3    AES                                                                         417526e67b82e7c6c633f9063120a299b84e57a8ffee97b34020a2caf6e751ec5750053833ab4d45
kSecAttrAccessibleAfterFirstUnlockThisDeviceOnly     3    AES                                                                         b0e17b0cf7111c6e716cd0272de5684834798431c1b34bab8d1a1b5aba3d38a3a42c859026f81ccc
kSecAttrAccessibleAlwaysThisDeviceOnly               3    AES                                                                         9b3bdc59ae1d85703aa7f75d49bdc600bf57ba4a458b20a003a10f6e36525fb6648ba70e6602d8b2

== Passcode key
ee34f5bb635830d698074b1e3e268059c590973b0f1138f1954a2a4e1069e612

== Keybag
Keybag type: Backup keybag (1)
Keybag version: 3
Keybag UUID: dc6486c479e84c94efce4bea7169ef7d
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Class                                                WRAP Type       Key                                                              WPKY                                                             Public key
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
NSFileProtectionComplete                             2    AES        64e8fc94a7b670b0a9c4a385ff395fe9ba5ee5b0d9f5a5c9f0202ef7fdcb386f 4c80b6da07d35d393fc7158e18b8d8f9979694329a71ceedee86b4cde9f97afec197ad3b13c5d12b
NSFileProtectionCompleteUnlessOpen                   2    AES        22a218c9c446fbf88f3ccdc2ae95f869c308faaa7b3e4fe17b78cbf2eeaf4ec9 09e8a0a9965f00f213ce06143a52801f35bde2af0ad54972769845d480b5043f545fa9b66a0353a6
NSFileProtectionCompleteUntilFirstUserAuthentication 2    AES        1004c6ca6e07d2b507809503180edf5efc4a9640227ac0d08baf5918d34b44ef e966b6a0742878ce747cec3fa1bf6a53b0d811ad4f1d6147cd28a5d400a8ffe0bbabea5839025cb5
NSFileProtectionNone                                 2    AES        2e809a0cd1a73725a788d5d1657d8fd150b0e360460cb5d105eca9c60c365152 902f46847302816561e7df57b64beea6fa11b0068779a65f4c651dbe7a1630f323682ff26ae7e577
NSFileProtectionRecovery?                            3    AES        9a078d710dcd4a1d5f70ea4062822ea3e9f7ea034233e7e290e06cf0d80c19ca a3935fed024cd9bc11d0300d522af8e89accfbe389d7c69dca02841df46c0a24d0067dba2f696072

kSecAttrAccessibleWhenUnlocked                       2    AES        606e5328816af66736a69dfe5097305cf1e0b06d6eb92569f48e5acac3f294a4 09a1856c7e97a51a9c2ecedac8c3c7c7c10e7efa931decb64169ee61cb07a0efb115050fd1e33af1
kSecAttrAccessibleAfterFirstUnlock                   2    AES        6a4b5292661bac882338d5ebb51fd6de585befb4ef5f8ffda209be8ba3af1b96 0509d215f2f574efa2f192efc53c460201168b26a175f066b5347fc48bc76c637e27a730b904ca82
kSecAttrAccessibleAlways                             2    AES        c0ed717947ce8d1de2dde893b6026e9ee1958771d7a7282dd2116f84312c2dd2 b7ac3c4f1e04896144ce90c4583e26489a86a6cc45a2b692a5767b5a04b0907e081daba009fdbb3c
kSecAttrAccessibleWhenUnlockedThisDeviceOnly         3    AES        80d8c7be8d5103d437f8519356c3eb7e562c687a5e656cfd747532f71668ff99 417526e67b82e7c6c633f9063120a299b84e57a8ffee97b34020a2caf6e751ec5750053833ab4d45
kSecAttrAccessibleAfterFirstUnlockThisDeviceOnly     3    AES        a875a15e3ff901351c5306019e3b30ed123e6c66c949bdaa91fb4b9a69a3811e b0e17b0cf7111c6e716cd0272de5684834798431c1b34bab8d1a1b5aba3d38a3a42c859026f81ccc
kSecAttrAccessibleAlwaysThisDeviceOnly               3    AES        1e7756695d337e0b06c764734a9ef8148af20dcc7a636ccfea8b2eb96a9e9373 9b3bdc59ae1d85703aa7f75d49bdc600bf57ba4a458b20a003a10f6e36525fb6648ba70e6602d8b2

== decrypted data:
'<?xml version="1.0" encoding="UTF-8"?>\n<!DOCTYPE plist PUBLIC "-//Apple//DTD '
'PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">\n<plist versi'
'on="1.0">\n<dict>\n\t<key>DCIMLastDirectoryNumber</key>\n\t<integer>100</integ'
'er>\n\t<key>DCIMLastFileNumber</key>\n\t<integer>3</integer>\n</dict>\n</plist'
'>\n'

== pretty-printed plist
{'DCIMLastDirectoryNumber': 100, 'DCIMLastFileNumber': 3}

Extra credit

The iphone-dataprotection code posted by Bédrune and Sigwald can decrypt the keychain from a backup, including fun things like saved wifi and website passwords:

$ python iphone-dataprotection/python_scripts/keychain_tool.py ...

--------------------------------------------------------------------------------------
|                              Passwords                                             |
--------------------------------------------------------------------------------------
|Service           |Account          |Data           |Access group  |Protection class|
--------------------------------------------------------------------------------------
|AirPort           |Ed’s Coffee Shop |<3FrenchRoast  |apple         |AfterFirstUnlock|
...

That code no longer works on backups from phones using the latest iOS, but there are some golang ports that have been kept up to date allowing access to the keychain.

I use this groovy script to download new war file

import java.util.concurrent.atomic.AtomicInteger

class ThreadHelper{
    static done = false;
    static starttime = System.currentTimeMillis()
    static synchronized printx (message) {    printf ("%5s seconds: %20s",(System.currentTimeMillis()-starttime)/1000.0 , message); println("") }
    def download(address)
    {
    def filename = new File(System.getenv()['CI_HOME'] + '/' + address.tokenize("/")[-1])
    println(filename.getCanonicalPath())
    def file = new FileOutputStream(filename)
    def out = new BufferedOutputStream(file)
    out << new URL(address).openStream()
    out.close()
    done=true;
    }

}

println("executing from ... "+ new File(".").getCanonicalPath())

def counter = new AtomicInteger();
    th = Thread.start {
    while(!ThreadHelper.done) {
    sleep 1000
    counter.incrementAndGet()
    print '.'
    }
}

th2 = Thread.start { new ThreadHelper().download("http://mirrors.jenkins-ci.org/war/latest/jenkins.war") }
th.join()
th2.join()

ThreadHelper.printx('done')

And another script shutsdown tomcat - copies the war and restarts it

We host it on windows 2008 and tomcat, I use sc query, sc config, sc stop, sc start to manage windows services

    set warname=jenkins

if '%name%' == 'trak' set warname=trak

pushd .
if '%name%'=='' goto badname
if '%warname%'=='' goto badname

if '%ci_home%'=='' goto badcihome

REM =====================================================
REM stop windows service
sc stop %name%

REM sleep for 5 seconds see http:\\stackoverflow.com\questions\1672338\how-to-sleep-for-5-seconds-in-windowss-command-prompt-or-dos
ping 1.1.1.1 -n 1 -w 3000 > nul

rem replace forward slash with backward slash
set tomcat_dir=%ci_home:/=\%\instances\tomcat7-%name%

REM Create sub directory called bak-yymmdd-hhmmss
REM where yymmdd-hhmmss is a date-time stamp like 120601-142907

set hh=%time:~0,2%

REM Since there is no leading zero for times before 10 am, have to put in
REM a zero when this is run before 10 am.

if "%time:~0,1%"==" " set hh=0%hh:~1,1%

set yymmdd_hhmmss=%date:~12,2%%date:~4,2%%date:~7,2%-%hh%%time:~3,2%%time:~6,2%

set backupdir=bak-%yymmdd_hhmmss%

REM =====================================================
md %tomcat_dir%\logs\%backupdir%

cd %tomcat_dir%\logs

dir bak*
echo "nothing-to-log" >> force.log

REM move command will fail if there is nothing to move hence the force log statement above

call move *.* %backupdir%

REM =====================================================
rmdir %tomcat_dir%\webapps\%name% /q/s

echo f|xcopy %ci_home%\%warname%.war %tomcat_dir%\webapps\%name%.war /y

REM TODO===== something about jenkins plugins

REM =====================================================
cd "%tomcat_dir%\bin"
call catalina version

echo =====================================================
echo ====== removing %name%
call service remove %name%

echo =====================================================
echo ====== installing %name%
call service install %name%

echo on

REM setting service to start automatically, note that space before the word auto IS REQUIRED
sc config %name% start= auto

REM =====================================================
sc start %name%

popd

exit 0

goto done

:badname
echo 'name required - this will be used as windows service name as well'
pause
exit 1

:badcihome
echo 'CI home env var required - ci_home'
pause
exit 1

:done

You can use basic regular expressions on strings to find all special characters or use pattern and matcher classes to search/modify/delete user defined strings. This link has some simple and easy to understand examples for regular expressions: http://www.vogella.de/articles/JavaRegularExpressions/article.html

The major issue might be the oracle database itself may not have started. So, you need to manually go via

run command -> services.msc

check for OracleXEService surely, it may be disabled

right click go to properties-> set it to Automatic and press Ok. Then just right click again and start.

This will start your database making you to connect to it

Finally, In sqlplus command line,

connect as sysdba

enter username as admin

then press enter, you'll be connected

When using JUnit asserts, I always make the message nice and clear. It saves huge amounts of time debugging. Doing it this way avoids having to add a added dependency on hamcrest Matchers.

previousTokenValues[1] = "1378994409108";
currentTokenValues[1] = "1378994416509";

Long prev = Long.parseLong(previousTokenValues[1]);
Long curr = Long.parseLong(currentTokenValues[1]);
assertTrue("Previous (" + prev + ") should be greater than current (" + curr + ")", prev > curr);

I've solved this issue by making use of the AddOrGetExisting method on the MemoryCache and the use of Lazy initialization.

Essentially, my code looks something like this:

static string GetCachedData(string key, DateTimeOffset offset)
{
    Lazy<String> lazyObject = new Lazy<String>(() => SomeHeavyAndExpensiveCalculationThatReturnsAString());
    var returnedLazyObject = MemoryCache.Default.AddOrGetExisting(key, lazyObject, offset); 
    if (returnedLazyObject == null)
       return lazyObject.Value;
    return ((Lazy<String>) returnedLazyObject).Value;
}

Worst case scenario here is that you create the same Lazy object twice. But that is pretty trivial. The use of AddOrGetExisting guarantees that you'll only ever get one instance of the Lazy object, and so you're also guaranteed to only call the expensive initialization method once.

If you are trying to keep a list of lists (similar to python's list.append()) then this might work:

a <- list(1,2,3)
b <- list(4,5,6)
c <- append(list(a), list(b))

> c
[[1]]
[[1]][[1]]
[1] 1

[[1]][[2]]
[1] 2

[[1]][[3]]
[1] 3


[[2]]
[[2]][[1]]
[1] 4

[[2]][[2]]
[1] 5

[[2]][[3]]
[1] 6

For arrays you can use: Array.FindIndex<T>:

int keyIndex = Array.FindIndex(words, w => w.IsKey);

For lists you can use List<T>.FindIndex:

int keyIndex = words.FindIndex(w => w.IsKey);

You can also write a generic extension method that works for any Enumerable<T>:

///<summary>Finds the index of the first item matching an expression in an enumerable.</summary>
///<param name="items">The enumerable to search.</param>
///<param name="predicate">The expression to test the items against.</param>
///<returns>The index of the first matching item, or -1 if no items match.</returns>
public static int FindIndex<T>(this IEnumerable<T> items, Func<T, bool> predicate) {
    if (items == null) throw new ArgumentNullException("items");
    if (predicate == null) throw new ArgumentNullException("predicate");

    int retVal = 0;
    foreach (var item in items) {
        if (predicate(item)) return retVal;
        retVal++;
    }
    return -1;
}

And you can use LINQ as well:

int keyIndex = words
    .Select((v, i) => new {Word = v, Index = i})
    .FirstOrDefault(x => x.Word.IsKey)?.Index ?? -1;

Here is a Python 3, POSIX solution (not Windows!) that uses mmap to map the object into memory.

import hashlib
import mmap

def sha256sum(filename):
    h  = hashlib.sha256()
    with open(filename, 'rb') as f:
        with mmap.mmap(f.fileno(), 0, prot=mmap.PROT_READ) as mm:
            h.update(mm)
    return h.hexdigest()

select t1.*, sq.*
from table1 t1,
   (select a,b,c from table2 ...) sq
where ...

Check if you have a compression enabled or disabled. If you use it or someone enabled it then app.use(express.static(xxx)) won't help. Make sure your server allows for compression.

I started to see the similar error when I added Brotli and Compression Plugins to my Webpack. Then your server needs to support this type of content compression too.

If you are using Express then the following should help:

app.use(url, expressStaticGzip(dir, gzipOptions)

Module is called: express-static-gzip

My settings are:

const gzipOptions = {
  enableBrotli: true,
  customCompressions: [{
  encodingName: 'deflate',
  fileExtension: 'zz'
 }],
 orderPreference: ['br']
}

npm install from git bash did work for me. After rebooting PC.

@@ denotes a class variable, i.e. it can be inherited.

This means that if you create a subclass of that class, it will inherit the variable. So if you have a class Vehicle with the class variable @@number_of_wheels then if you create a class Car < Vehicle then it too will have the class variable @@number_of_wheels

Have you looked at the samples provided with EPPlus?

This one shows you how to create a file http://epplus.codeplex.com/wikipage?title=ContentSheetExample

This one shows you how to use it to stream back a file http://epplus.codeplex.com/wikipage?title=WebapplicationExample

This is how we use the package to generate a file.

var newFile = new FileInfo(ExportFileName);
using (ExcelPackage xlPackage = new ExcelPackage(newFile))
{                       
    // do work here                            
    xlPackage.Save();
}