Programs & Examples On #Environment variables

setx FOOBAR ""

just causes the value of FOOBAR to be a null string. (Although, it shows with the set command with the "" so maybe double-quotes is the string.)

I used:

set FOOBAR=

and then FOOBAR was no longer listed in the set command. (Log-off was not required.)

Windows 7 32 bit, using the command prompt, non-administrator is what I used. (Not cmd or Windows + R, which might be different.)

BTW, I did not see the variable I created anywhere in the registry after I created it. I'm using RegEdit not as administrator.

You can also edit the /etc/sysconfig/jenkins file to make any changes to the environment variables, etc. I simply added source /etc/profile to the end of the file. /etc/profile has all all of the proper PATH variables setup. When you do this, make sure you restart Jenkins

/etc/init.d/jenkins restart

We are running ZendServer CE which installs pear, phing, etc in a different path so this was helpful. Also, we don't get the LD_LIBRARY_PATH errors we used to get with Oracle client and Jenkins.

Environment variables may also provide a useful means -- COMPUTERNAME on Windows, HOSTNAME on most modern Unix/Linux shells.

See: https://stackoverflow.com/a/17956000/768795

I'm using these as "supplementary" methods to InetAddress.getLocalHost().getHostName(), since as several people point out, that function doesn't work in all environments.

Runtime.getRuntime().exec("hostname") is another possible supplement. At this stage, I haven't used it.

import java.net.InetAddress;
import java.net.UnknownHostException;

// try InetAddress.LocalHost first;
//      NOTE -- InetAddress.getLocalHost().getHostName() will not work in certain environments.
try {
    String result = InetAddress.getLocalHost().getHostName();
    if (StringUtils.isNotEmpty( result))
        return result;
} catch (UnknownHostException e) {
    // failed;  try alternate means.
}

// try environment properties.
//      
String host = System.getenv("COMPUTERNAME");
if (host != null)
    return host;
host = System.getenv("HOSTNAME");
if (host != null)
    return host;

// undetermined.
return null;

Looks like I'm late to the game, but this is a common question...

This is probably the code you want.

Please note that this code is in the public domain, from Usenet, MSDN, and the Excellerando blog.

Public Function ComputerName() As String
'' Returns the host name

'' Uses late-binding: bad for performance and stability, useful for 
'' code portability. The correct declaration is:

'   Dim objNetwork  As IWshRuntimeLibrary.WshNetwork
'   Set objNetwork = New IWshRuntimeLibrary.WshNetwork

    Dim objNetwork As Object
    Set objNetwork = CreateObject("WScript.Network")

    ComputerName = objNetwork.ComputerName
    
    Set objNetwork = Nothing

End Function

You'll probably need this, too:

Public Function UserName(Optional WithDomain As Boolean = False) As String
'' Returns the user's network name

'' Uses late-binding: bad for performance and stability, useful for
'' code portability. The correct declaration is:

'   Dim objNetwork  As IWshRuntimeLibrary.WshNetwork
'   Set objNetwork = New IWshRuntimeLibrary.WshNetwork


    Dim objNetwork As Object
    Set objNetwork = CreateObject("WScript.Network")

    If WithDomain Then
        UserName = objNetwork.UserDomain & "\" & objNetwork.UserName
    Else
        UserName = objNetwork.UserName
    End If
    
    Set objNetwork = Nothing

End Function

Check this article. It gives you several ways to do this, via the PropertyPlaceholderConfigurer which supports external properties (via the systemPropertiesMode property).

I found it working for me by setting this variable directly on Azure platorm (if you use it). Just select your web app -> configuration -> application settings and add the variable and its value, then press Save button.

Typically you must set java.library.path on the JVM's command line:

java -Djava.library.path=/path/to/my/dll -cp /my/classpath/goes/here MainClass

Actually, there is a way to set global defaults for Sun's JVM via environment variables.

See How to set a java system property so that it is effective whenever I start JVM without adding it to the command line arguments.

Jenkins 2.x has the global variables. env is one of them from any script...

println env.JOB_NAME

More at https://build.intuit.com/services-config/pipeline-syntax/globals#env

Environment variables are 'evaluated' (ie. they are attributed) in the following order:

1. System variables
2. Variables defined in autoexec.bat
3. User variables

Every process has an environment block that contains a set of environment variables and their values. There are two types of environment variables: user environment variables (set for each user) and system environment variables (set for everyone). A child process inherits the environment variables of its parent process by default.

Programs started by the command processor inherit the command processor's environment variables.

Environment variables specify search paths for files, directories for temporary files, application-specific options, and other similar information. The system maintains an environment block for each user and one for the computer. The system environment block represents environment variables for all users of the particular computer. A user's environment block represents the environment variables the system maintains for that particular user, including the set of system environment variables.

Just had the similar error when installing java 8 (jdk & jre) on a system already running Java 7.

Error: Registry key 'Software\JavaSoft\Java Runtime

Environment'\CurrentVersion' has value '1.8', but '1.7' is required.

Error: could not find java.dll Error: Could not find Java SE Runtime Environment.

My environment was set up correctly (Path & java_home correctly defined), but the problem arises from the way pre-8 Java installers worked, which is that they used to copy the three executables (java.exe, javaw.exe & javaws.exe) to the Windows system directory. These remain unless overwritten by a new pre-8 installation.

However the Java 8 installer instead creates symbolic links in a new directory, C:\ProgramData\Oracle\Java\javapath, pointing to the actual JRE 8 location.

This means that you'll actually run the old 7 exes but use the new 8 DLLs.

So, the solution is simply to delete the 3 Java exes, as above, from the windows system directory.

If you are running 32-bit Java on a 64-bit Windows, the exes would be in Windows\SysWOW64, otherwise in Windows\System32.

In windows 10 you can find it here:

C:\Users\[USER]\AppData\Local\conda\conda\envs\[ENVIRONMENT]\python.exe

Use

$ java -XshowSettings
Property settings:
    java.home = /home/nisar/javadev/javasuncom/jdk1.7.0_17/jre
    java.io.tmpdir = /tmp

You can get and set environment variables via os.environ:

import os
user_home = os.environ["HOME"]

os.environ["PYTHONPATH"] = "..."

But since your interpreter is already running, this will have no effect. You're better off using

import sys
sys.path.append("...")

which is the array that your PYTHONPATH will be transformed into on interpreter startup.

I was having this issue after installing both Windows Python and Cygwin Python, and trying to run Cygwin Python from Cygwin. I solved it by exporting PYTHONHOME=/usr/ and PYTHONPATH=/usr/lib/python2.7

This is the method that I use, and it validates an IPv4 input:

// Get user IP address
if ( isset($_SERVER['HTTP_CLIENT_IP']) && ! empty($_SERVER['HTTP_CLIENT_IP'])) {
    $ip = $_SERVER['HTTP_CLIENT_IP'];
} elseif ( isset($_SERVER['HTTP_X_FORWARDED_FOR']) && ! empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
    $ip = $_SERVER['HTTP_X_FORWARDED_FOR'];
} else {
    $ip = (isset($_SERVER['REMOTE_ADDR'])) ? $_SERVER['REMOTE_ADDR'] : '0.0.0.0';
}

$ip = filter_var($ip, FILTER_VALIDATE_IP);
$ip = ($ip === false) ? '0.0.0.0' : $ip;

By entering $PATH on its own at the command prompt, you're trying to run it. This isn't like Windows where you can get your path output by simply typing path.

If you want to see what the path is, simply echo it:

echo $PATH

There are three ways

1) This runs the GUI editor for the user environment variables. It does exactly what the OP wanted to do and does not prompt for administrative credentials.

rundll32.exe sysdm.cpl,EditEnvironmentVariables

(bonus: This works on Windows Vista to Windows 10 for desktops and Windows Server 2008 through Server 2016. It does not work on Windows NT, 2000, XP, and 2003. However, on the older systems you can use sysdm.cpl without the ",EditEnvironmentVariables" parameter and then navigate to the Advanced tab and then Environment Variables button.)

2) Use the SETX command from the command prompt. This is like the set command but updates the environment that's stored in the registry. Unfortunately, SETX is not as easy to use as the built in SET command. There's no way to list the variables for example. Thus it's impossible to do something such as appending a folder to the user's PATH variable. While SET will display the variables you don't know which ones are user vs. system variables and the PATH that's shown is a combination of both.

3) Use regedit and navigate to HKEY_CURRENT_USER\Environment

Keep in mind that changes to the user's environment does not immediately propagate to all processes currently running for that user. You can see this in a command prompt where your changes will not be visible if you use SET. For example

rem Add a user environment variable named stackoverflow that's set to "test"
setx stackoverflow test
set st

This should show all variables whose names start with the letters "st". If there are none then it displays "Environment variable st not defined". Exit the command prompt and start another. Try set st again and you'll see

stackoverflow=test

To delete the stackoverflow variable use

setx stackoverflow ""

It will respond with "SUCCESS: Specified value was saved." which looks strange given you want to delete the variable. However, if you start a new command prompt then set st will show that there are no variables starting with the letters "st"

(correction - I discovered that setx stackoverflow "" did not delete the variable. It's in the registry as an empty string. The SET command though interprets it as though there is no variable. if not defined stackoverflow echo Not defined says it's not defined.)

You can override symbols in the stock libraries by creating a library with the same symbols and specifying the library in LD_PRELOAD.

Some people use it to specify libraries in nonstandard locations, but LD_LIBRARY_PATH is better for that purpose.

Updating the ~/.profile or ~/.bash_profile does not work sometimes. I just deleted JDK 6 and sourced .bash_profile.

Try running this:

sudo rm -rd jdk1.6.0_* #it may not let you delete without sudo

Then, modify/add your JAVA_HOME and PATH variables.

source ~/.bash_profile #assuming you've updated $JAVA_HOME and $PATH

Here's where they're stored on Windows XP through Windows Server 2012 R2:

User Variables

HKEY_CURRENT_USER\Environment

System Variables

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Environment

Replacing forward(/) slash with backward(\) slash will do the job. The folder separator in Windows is \ not /

My problem was stupid. I created the .env in a text editor, and when I saved it it actually saved as

'.env.txt' 

which was only visible after I did a

'ls -a'

in terminal and saw the file name.

A quick:

mv .env.txt .env

And I was in business

In order to have multiple environments you need all of the answers before (NODE_ENV parameter and export it), but I use a very simple approach without the need of installing anything. In your package.json just put a script for each env you need, like this:

...
"scripts": {
    "start-dev": "export NODE_ENV=dev && ts-node-dev --respawn --transpileOnly ./src/app.ts",
    "start-prod": "export NODE_ENV=prod && ts-node-dev --respawn --transpileOnly ./src/app.ts"
  }
 ...

Then, to start the app instead of using npm start use npm run script-prod.

In the code you can access the current environment with process.env.NODE_ENV.

Voila.

If you've already assigned the variables using the npm module dotenv, then they should show up in your global variables. That module is here.

While running the debugger, go to your variables tab (right click to reopen if not visible) and then open "global" and then "process." There should then be an env section...

For me, ant apparently refuses to listen to any configuration for eclipse default, project JDK, and the suggestion of "Ant Home Entries" just didn't have traction - there was nothing there referring to JDK.

However, this works:

Menu "Run" -> "External Tools" -> "External Tools Configuration".
  Goto the node "Ant build", choose the ant buildfile in question.
     Choose tab "JRE".
        Select e.g. "Run in same JRE as workspace", or whatever you want.

env VAR=value myScript args ...

One more since we are dealing with json

docker inspect <NAME|ID> | jq '.[] | .Config.Env'

Output sample

[
  "PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
  "NGINX_VERSION=1.19.4",
  "NJS_VERSION=0.4.4",
  "PKG_RELEASE=1~buster"
]

If you're using Bash, you can also do the following if, let's say, you want to remove the directory /home/wrong/dir/ from your PATH variable:

PATH=`echo $PATH | sed -e 's/:\/home\/wrong\/dir\/$//'`

What about os.environ["DEBUSSY"] = '1'? Environment variables are always strings.

I guess you're coming from a windows background. So i'll contrast them (i'm kind of new to linux too). I found user's reply to my comment, to be useful in figuring things out.

In Windows, a variable can be permanent or not. The term Environment variable includes a variable set in the cmd shell with the SET command, as well as when the variable is set within the windows GUI, thus set in the registry, and becoming viewable in new cmd windows. e.g. documentation for the set command in windows https://technet.microsoft.com/en-us/library/bb490998.aspx "Displays, sets, or removes environment variables. Used without parameters, set displays the current environment settings." In Linux, set does not display environment variables, it displays shell variables which it doesn't call/refer to as environment variables. Also, Linux doesn't use set to set variables(apart from positional parameters and shell options, which I explain as a note at the end), only to display them and even then only to display shell variables. Windows uses set for setting and displaying e.g. set a=5, linux doesn't.

In Linux, I guess you could make a script that sets variables on bootup, e.g. /etc/profile or /etc/.bashrc but otherwise, they're not permanent. They're stored in RAM.

There is a distinction in Linux between shell variables, and environment variables. In Linux, shell variables are only in the current shell, and Environment variables, are in that shell and all child shells.

You can view shell variables with the set command (though note that unlike windows, variables are not set in linux with the set command).

set -o posix; set (doing that set -o posix once first, helps not display too much unnecessary stuff). So set displays shell variables.

You can view environment variables with the env command

shell variables are set with e.g. just a = 5

environment variables are set with export, export also sets the shell variable

Here you see shell variable zzz set with zzz = 5, and see it shows when running set but doesn't show as an environment variable.

Here we see yyy set with export, so it's an environment variable. And see it shows under both shell variables and environment variables

$ zzz=5

$ set | grep zzz
zzz=5

$ env | grep zzz

$ export yyy=5

$ set | grep yyy
yyy=5

$ env | grep yyy
yyy=5

$

other useful threads

https://unix.stackexchange.com/questions/176001/how-can-i-list-all-shell-variables

https://askubuntu.com/questions/26318/environment-variable-vs-shell-variable-whats-the-difference

Note- one point which elaborates a bit and is somewhat corrective to what i've written, is that, in linux bash, 'set' can be used to set "positional parameters" and "shell options/attributes", and technically both of those are variables, though the man pages might not describe them as such. But still, as mentioned, set won't set shell variables or environment variables). If you do set asdf then it sets $1 to asdf, and if you do echo $1 you see asdf. If you do set a=5 it won't set the variable a, equal to 5. It will set the positional parameter $1 equal to the string of "a=5". So if you ever saw set a=5 in linux it's probably a mistake unless somebody actually wanted that string a=5, in $1. The other thing that linux's set can set, is shell options/attributes. If you do set -o you see a list of them. And you can do for example set -o verbose, off, to turn verbose on(btw the default happens to be off but that makes no difference to this). Or you can do set +o verbose to turn verbose off. Windows has no such usage for its set command.

The libs are located in /u01/app/oracle/product/11.2.0/xe/lib (For Oracle XE) or similar.

You should add this path to /etc/ld.so.conf or if this file shows only an include location, as in a separate file in the /etc/ld.so.conf.d directory

I have oracle.conf in /etc/ld.so.conf.d, just one file with the path. Nothing else.

Of course don't forget to run ldconfig as a last step.

To help understand what do $#, $0 and $1, ..., $n do, I use this script:

#!/bin/bash

for ((i=0; i<=$#; i++)); do
  echo "parameter $i --> ${!i}"
done

Running it returns a representative output:

$ ./myparams.sh "hello" "how are you" "i am fine"
parameter 0 --> myparams.sh
parameter 1 --> hello
parameter 2 --> how are you
parameter 3 --> i am fine

I faced the same problem and tried everything mentioned here. The thing was I didn't refresh my project in eclipse after class creation . And once I refreshed it things worked as expected.

I got it worked in Windows 10 by following below steps.

Under environment variables, you should only add it under PATH of "System Variables" and not under "User Variables". This is a great confusion and eats time if we miss it.

Also, just try to navigate to the path where you got Python installed in your machine and add it to PATH. This just works and no need to add any other thing in my case.I added just below path and it worked.

C:\Users\YourUserName\AppData\Local\Programs\Python\Python37-32

Most important, close command prompt, re-open and then re-try typing "python" to see the version details. You need to restart command prompt to see the version after setting up the path in environment variables.

After restarting, you should be able to see the python prompt and below info when typing python in command prompt:

The way we do this is by passing an argument in when starting the app with the environment. For instance:

node app.js -c dev

In app.js we then load dev.js as our configuration file. You can parse these options with optparse-js.

Now you have some core modules that are depending on this config file. When you write them as such:

var Workspace = module.exports = function(config) {
    if (config) {
         // do something;
    }
}

(function () {
    this.methodOnWorkspace = function () {

    };
}).call(Workspace.prototype);

And you can call it then in app.js like:

var Workspace = require("workspace");
this.workspace = new Workspace(config);

You have to install npm install env-cmd

Make .env in the root directory and update like this & REACT_APP_ is the compulsory prefix for the variable name.

REACT_APP_NODE_ENV="production"
REACT_APP_DB="http://localhost:5000"

Update package.json

  "scripts": {
    "start": "env-cmd react-scripts start",
    "build": "env-cmd react-scripts build",
    "test": "react-scripts test",
    "eject": "react-scripts eject"
  }

Synchronize OS X environment variables for command line and GUI applications from a single source with osx-env-sync.

I also posted an answer to a related question here.

Not sure whether is it already posted, but this combo worked for me:

php artisan clear-compiled 
composer dump-autoload
php artisan optimize

When using Node.js, you can retrieve environment variables by key from the process.env object:

for example

var mode   = process.env.NODE_ENV;
var apiKey = process.env.apiKey; // '42348901293989849243'

Here is the answer that will explain setting environment variables in node.js

This functionality has been added to the IDE now (working Pycharm 2018.3)

Just click the EnvFile tab in the run configuration, click Enable EnvFile and click the + icon to add an env file

Update: Essentially the same as the answer by @imguelvargasf but the the plugin was enabled by default for me.

In Python 2.7 with iPython:

>>> import os
>>> os.getenv??
Signature: os.getenv(key, default=None)
Source:
def getenv(key, default=None):
    """Get an environment variable, return None if it doesn't exist.
    The optional second argument can specify an alternate default."""
    return environ.get(key, default)
File:      ~/venv/lib/python2.7/os.py
Type:      function

So we can conclude os.getenv is just a simple wrapper around os.environ.get.

use the below command to set the port number in node process while running node JS programme:

set PORT =3000 && node file_name.js

The set port can be accessed in the code as

process.env.PORT 

Use a shell script:

#!/bin/bash
# myscript
FOO=bar
somecommand someargs | somecommand2

> ./myscript

Some time when we use Environ() function we may get the Library or property not found error. Use VBA.Environ() or VBA.Environ$() to avoid the error.

Found an interesting and neat way to export environment variables from a file:

in env.vars:

foo=test

test script:

eval `cat env.vars`
echo $foo         # => test
sh -c 'echo $foo' # => 

export eval `cat env.vars`
echo $foo         # => test
sh -c 'echo $foo' # => test

# a better one. "--" stops processing options, 
# key=value list given as params
export -- `cat env.vars`
echo $foo         # => test
sh -c 'echo $foo' # => test

You can also enable multiple GPU cores, like so:

import os
os.environ["CUDA_DEVICE_ORDER"]="PCI_BUS_ID"
os.environ["CUDA_VISIBLE_DEVICES"]="0,2,3,4"

What worked for me is to create a .launchd.conf with the variables I needed:

setenv FOO barbaz

This file is read by launchd at login. You can add a variable 'on the fly' to the running launchd using:

launchctl setenv FOO barbaz`

In fact, .launchd.cond simply contains launchctl commands.

Variables set this way seem to be present in GUI applications properly.

If you happen to be trying to set your LANG or LC_ variables in this way, and you happen to be using iTerm2, make sure you disable the 'Set locale variables automatically' setting under the Terminal tab of the Profile you're using. That seems to override launchd's environment variables, and in my case was setting a broken LC_CTYPE causing issues on remote servers (which got passed the variable).

(The environment.plist still seems to work on my Lion though. You can use the RCenvironment preference pane to maintain the file instead of manually editing it or required Xcode. Still seems to work on Lion, though it's last update is from the Snow Leopard era. Makes it my personally preferred method.)

There are 2 versions of jdk in your PATH VARIABLE jdk1.6.0_45 and jdk1.8.0_25. Try removing the first one ie. jdk1.6.0_45 from the PATH

If you want your variables to be valid for all tests, you can have an application.properties file in your test resources directory (by default: src/test/resources) which will look something like this:

MYPROPERTY=foo

This will then be loaded and used unless you have definitions via @TestPropertySource or a similar method - the exact order in which properties are loaded can be found in the Spring documentation chapter 24. Externalized Configuration.

To solve this I have changed the environment variable using BOTH setx and set, and then restarted all instances of explorer.exe. This way any process subsequently started will have the new environment variable.

My batch script to do this:

setx /M ENVVAR "NEWVALUE"
set ENVVAR="NEWVALUE"

taskkill /f /IM explorer.exe
start explorer.exe >nul
exit

The problem with this approach is that all explorer windows that are currently opened will be closed, which is probably a bad idea - But see the post by Kev to learn why this is necessary

If you are running multiple instances of Tomcat on a single host you should set CATALINA_BASE to be equal to the .../tomcat_instance1 or .../tomcat_instance2 directory as appropriate for each instance and the CATALINA_HOME environment variable to the common Tomcat installation whose files will be shared between the two instances.

The CATALINA_BASE environment is optional if you are running a single Tomcat instance on the host and will default to CATALINA_HOME in that case. If you are running multiple instances as you are it should be provided.

There is a pretty good description of this setup in the RUNNING.txt file in the root of the Apache Tomcat distribution under the heading Advanced Configuration - Multiple Tomcat Instances

Posting it here as it might help others. In string it might be necessary to pass the quotes to jq. To do the following with jq:

.items[] | select(.name=="string")

in bash you could do

EMAILID=$1
projectID=$(cat file.json | jq -r '.resource[] | select(.username=='\"$EMAILID\"') | .id')

essentially escaping the quotes and passing it on to jq

Getting variables into your CMake script

You can pass a variable on the line with the cmake invocation:

FOO=1 cmake

or by exporting a variable in BASH:

export FOO=1

Then you can pick it up in a cmake script using:

$ENV{FOO}

I only needed the environment variables locally to invoke my test command, here's an example setting multiple environment vars in a bash shell, and escaping the dollar sign in make.

SHELL := /bin/bash

.PHONY: test tests
test tests:
    PATH=./node_modules/.bin/:$$PATH \
    JSCOVERAGE=1 \
    nodeunit tests/

In order to set CATALINA_HOME:

1. First, unzip and paste the apache-tomcat-7.1.100 folder in your C:// drive folder.

NOTE: Do not place your apache tomcat folder within any other folder or drive, place it directly in C:// drive folder only. (I did this mistake and none of the above-mentioned solutions were working).

2. Open environment variable dialog box (windows key+ pause-break key --> advanced setting).

3. Add a new variable name as "CATALINA_HOME" and add the variable path as "C://apache-tomcat-7.1.100"(as in my case), in System Variables.

4. Edit PATH variable name add "%CATALINA_HOME%\bin" and press OK.

5. Close the window and it will be saved.

6. Open Command Prompt window and type command- "%CATALINA_HOME%\bin\startup.bat" to run and start the Tomcat server.

7. END!

FOO=bar
export FOO

It should put java in your path, probably in /usr/bin/java. The easiest way to find it is to open a term and type "which java".

A simple wrapper function (or in-line for loop)

I came up with a unique solution because:

• sudo -E "$@" was leaking variables that was causing problems for my command
• sudo VAR1="$VAR1" ... VAR42="$VAR42" "$@" was long and ugly in my case

demo.sh

#!/bin/bash

function sudo_exports(){
    eval sudo $(for x in $_EXPORTS; do printf '%q=%q ' "$x" "${!x}"; done;) "$@"
}

# create a test script to call as sudo
echo 'echo Forty-Two is $VAR42' > sudo_test.sh
chmod +x sudo_test.sh

export VAR42="The Answer to the Ultimate Question of Life, The Universe, and Everything."

export _EXPORTS="_EXPORTS VAR1 VAR2 VAR3 VAR4 VAR5 VAR6 VAR7 VAR8 VAR9 VAR10 VAR11 VAR12 VAR13 VAR14 VAR15 VAR16 VAR17 VAR18 VAR19 VAR20 VAR21 VAR22 VAR23 VAR24 VAR25 VAR26 VAR27 VAR28 VAR29 VAR30 VAR31 VAR32 VAR33 VAR34 VAR35 VAR36 VAR37 VAR38 VAR39 VAR40 VAR41 VAR42"

# clean function style
sudo_exports ./sudo_test.sh

# or just use the content of the function
eval sudo $(for x in $_EXPORTS; do printf '%q=%q ' "$x" "${!x}"; done;) ./sudo_test.sh

Result

$ ./demo.sh
Forty-Two is The Answer to the Ultimate Question of Life, The Universe, and Everything.
Forty-Two is The Answer to the Ultimate Question of Life, The Universe, and Everything.

How?

This is made possible by a feature of the bash builtin printf. The %q produces a shell quoted string. Unlike the parameter expansion in bash 4.4, this works in bash versions < 4.0

Use the System.Environment class.

The methods

var value = System.Environment.GetEnvironmentVariable(variable [, Target])

and

System.Environment.SetEnvironmentVariable(variable, value [, Target])

will do the job for you.

The optional parameter Target is an enum of type EnvironmentVariableTarget and it can be one of: Machine, Process, or User. If you omit it, the default target is the current process.

Actually the variable can be set or not, so, In Java 8 or superior its nullable value should be wrapped into an Optional object, which allows really good features. In the following example we gonna try to obtain the variable ENV_VAR1, if it doesnt exist we may throw some custom Exception to alert about it:

String ENV_VAR1 = Optional.ofNullable(System.getenv("ENV_VAR1")).orElseThrow(
  () -> new CustomException("ENV_VAR1 is not set in the environment"));

add the line to your .bashrc or .profile. The variables set in $HOME/.profile are active for the current user, the ones in /etc/profile are global. The .bashrc is pulled on each bash session start.

Actually it can be done this away:

import os

for item, value in os.environ.items():
    print('{}: {}'.format(item, value))

Or simply:

for i, j in os.environ.items():
    print(i, j)

For view the value in the parameter:

print(os.environ['HOME'])

Or:

print(os.environ.get('HOME'))

To set the value:

os.environ['HOME'] = '/new/value'

Add

LD_LIBRARY_PATH="/path/you/want1:/path/you/want/2"

to /etc/environment

See the Ubuntu Documentation.

CORRECTION: I should take my own advice and actually read the documentation. It says that this does not apply to LD_LIBRARY_PATH: Since Ubuntu 9.04 Jaunty Jackalope, LD_LIBRARY_PATH cannot be set in $HOME/.profile, /etc/profile, nor /etc/environment files. You must use /etc/ld.so.conf.d/.conf configuration files.* So user1824407's answer is spot on.

You installed java...

apt-get install default-jre

But not the JDK...

apt-get install default-jdk

You can pass environment variables to your containers with the -e flag.

An example from a startup script:

sudo docker run -d -t -i -e REDIS_NAMESPACE='staging' \ 
-e POSTGRES_ENV_POSTGRES_PASSWORD='foo' \
-e POSTGRES_ENV_POSTGRES_USER='bar' \
-e POSTGRES_ENV_DB_NAME='mysite_staging' \
-e POSTGRES_PORT_5432_TCP_ADDR='docker-db-1.hidden.us-east-1.rds.amazonaws.com' \
-e SITE_URL='staging.mysite.com' \
-p 80:80 \
--link redis:redis \  
--name container_name dockerhub_id/image_name

Or, if you don't want to have the value on the command-line where it will be displayed by ps, etc., -e can pull in the value from the current environment if you just give it without the =:

sudo PASSWORD='foo' docker run  [...] -e PASSWORD [...]

If you have many environment variables and especially if they're meant to be secret, you can use an env-file:

$ docker run --env-file ./env.list ubuntu bash

The --env-file flag takes a filename as an argument and expects each line to be in the VAR=VAL format, mimicking the argument passed to --env. Comment lines need only be prefixed with #

If you're using Python, you can define your environment variables in a .env file and load them from within a Jupyter notebook using python-dotenv.

Install python-dotenv:

pip install python-dotenv

Load the .env file in a Jupyter notebook:

%load_ext dotenv
%dotenv

If your server is Ubuntu and Apache version is 2.4

Server version: Apache/2.4.29 (Ubuntu)

Then you export variables in "/etc/apache2/envvars" location.

Just like this below line, you need to add an extra line in "/etc/apache2/envvars" export GOROOT=/usr/local/go

Another solution would be to set MAVEN_OPTS (or other environment variables) in ${user.home}/.mavenrc (or %HOME%\mavenrc_pre.bat on windows).

Since Maven 3.3.1 there are new possibilities to set mvn command line parameters, if this is what you actually want:

• ${maven.projectBasedir}/.mvn/maven.config
• ${maven.projectBasedir}/.mvn/jvm.config

Solution for both command line and GUI applications from a single source (works with Mac OS X v10.10 (Yosemite) and Mac OS X v10.11 (El Capitan))

Let's assume you have environment variable definitions in your ~/.bash_profile like in the following snippet:

export JAVA_HOME="$(/usr/libexec/java_home -v 1.8)"
export GOPATH="$HOME/go"
export PATH="$PATH:/usr/local/opt/go/libexec/bin:$GOPATH/bin"
export PATH="/usr/local/opt/coreutils/libexec/gnubin:$PATH"
export MANPATH="/usr/local/opt/coreutils/libexec/gnuman:$MANPATH"

We need a Launch Agent which will run on each login and anytime on demand which is going to load these variables to the user session. We'll also need a shell script to parse these definitions and build necessary commands to be executed by the agent.

Create a file with plist suffix (e.g. named osx-env-sync.plist) in ~/Library/LaunchAgents/ directory with the following contents:

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
  <key>Label</key>
  <string>osx-env-sync</string>
  <key>ProgramArguments</key>
  <array>
    <string>bash</string>
    <string>-l</string>
    <string>-c</string>
    <string>
      $HOME/.osx-env-sync.sh
    </string>
  </array>
  <key>RunAtLoad</key>
  <true/>
</dict>
</plist>

-l parameter is critical here; it's necessary for executing the shell script with a login shell so that ~/.bash_profile is sourced in the first place before this script is executed.

Now, the shell script. Create it at ~/.osx-env-sync.sh with the following contents:

grep export $HOME/.bash_profile | while IFS=' =' read ignoreexport envvar ignorevalue; do
  launchctl setenv "${envvar}" "${!envvar}"
done

Make sure the shell script is executable:

chmod +x ~/.osx-env-sync.sh

Now, load the launch agent for current session:

launchctl load ~/Library/LaunchAgents/osx-env-sync.plist

(Re)Launch a GUI application and verify that it can read the environment variables.

The setup is persistent. It will survive restarts and relogins.

After the initial setup (that you just did), if you want to reflect any changes in your ~/.bash_profile to your whole environment again, rerunning the launchctl load ... command won't perform what you want; instead you'll get a warning like the following:

<$HOME>/Library/LaunchAgents/osx-env-sync.plist: Operation already in progress

In order to reload your environment variables without going through the logout/login process do the following:

launchctl unload ~/Library/LaunchAgents/osx-env-sync.plist
launchctl load ~/Library/LaunchAgents/osx-env-sync.plist

Finally make sure that you relaunch your already running applications (including Terminal.app) to make them aware of the changes.

I've also pushed the code and explanations here to a GitHub project: osx-env-sync.

I hope this is going to be the ultimate solution, at least for the latest versions of OS X (Yosemite & El Capitan).

It is absolutely possible that all other answers work for people but for me this path worked:

Leave your JDK path under JAVA_HOME System Variable as it is given here. Do not append bin or another path. It worked for me.

C:\Program Files\Java\jdk1.8.0_11\

Otherwise I am getting this error:

Installing Android Studio, does not point to a valid JVM installation error

Just add to your command line the parameter -config c:\your_openssl_path\openssl.cfg, changing your_openssl_path to the real installed path.

Create an alias for gcc with your favorite includes.

alias mygcc='gcc -I /whatever/'

For windows users this Stack Overflow question and top answer is quite useful on how to set environement variables via the command line

How can i set NODE_ENV=production in Windows?

There is a case for either solution, depending on what you want to do conditional on the existence of the environment variable.

Case 1

When you want to take different actions purely based on the existence of the environment variable, without caring for its value, the first solution is the best practice. It succinctly describes what you test for: is 'FOO' in the list of environment variables.

if 'KITTEN_ALLERGY' in os.environ:
    buy_puppy()
else:
    buy_kitten()

Case 2

When you want to set a default value if the value is not defined in the environment variables the second solution is actually useful, though not in the form you wrote it:

server = os.getenv('MY_CAT_STREAMS', 'youtube.com')

or perhaps

server = os.environ.get('MY_CAT_STREAMS', 'youtube.com')

Note that if you have several options for your application you might want to look into ChainMap, which allows to merge multiple dicts based on keys. There is an example of this in the ChainMap documentation:

[...]
combined = ChainMap(command_line_args, os.environ, defaults)

You should install both 32bit & 64bit java (At least JRE), that in case you're using 64bit OS.

Adding Environment Variable simplified with screenshot. Check the below URL and you should be able to do without any trouble.

https://itsforlavanya.blogspot.com/2020/08/environment-variable-simple-7-steps-to.html

You can give https://github.com/ersiner/osx-env-sync a try. It handles both command line and GUI apps from a single source and works withe the latest version of OS X (Yosemite).

You can use path substitutions and other shell tricks since what you write is regular bash script to be sourced by bash in the first place. No restrictions.. (Check osx-env-sync documentation and you'll understand how it achieves this.)

I answered a similar question here where you'll find more.

• Command line changes will not be permanent and will be lost when the console closes.
• The path works like first comes first served.
• You may want to override other already included executables. For instance, if you already have another version on your path and you want to add different version without making a permanent change on path, you should put the directory at the beginning of the command.

To override already included executables;

set PATH=C:\xampp\php;%PATH%;

The spaces are significant. You created a variable named 'location ' with a value of
' "bob"'. Note - enclosing single quotes were added to show location of space.

If you want quotes in your value, then your code should look like

set location="bob"

If you don't want quotes, then your code should look like

set location=bob

Or better yet

set "location=bob"

The last syntax prevents inadvertent trailing spaces from getting in the value, and also protects against special characters like & | etc.

Anaconda does not use the PYTHONPATH. One should however note that if the PYTHONPATH is set it could be used to load a library that is not in the anaconda environment. That is why before activating an environment it might be good to do a

unset PYTHONPATH

For instance this PYTHONPATH points to an incorrect pandas lib:

export PYTHONPATH=/home/john/share/usr/anaconda/lib/python
source activate anaconda-2.7
python
>>>> import pandas as pd
/home/john/share/usr/lib/python/pandas-0.12.0-py2.7-linux-x86_64.egg/pandas/hashtable.so: undefined symbol: PyUnicodeUCS2_DecodeUTF8
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/home/john/share/usr/lib/python/pandas-0.12.0-py2.7-linux-x86_64.egg/pandas/__init__.py", line 6, in <module>
    from . import hashtable, tslib, lib
ImportError: /home/john/share/usr/lib/python/pandas-0.12.0-py2.7-linux-x86_64.egg/pandas/hashtable.so: undefined symbol: PyUnicodeUCS2_DecodeUTF8

unsetting the PYTHONPATH prevents the wrong pandas lib from being loaded:

unset PYTHONPATH
source activate anaconda-2.7
python
>>>> import pandas as pd
>>>>

;C:\Program Files (x86)\Git\bin;C:\Program Files (x86)\Git\cmd

add above path in environment variables

note: path may differ but you should add both bin and cmd

You can pass parameters into your initial java process with -D:

java -cp <classpath> -Dkey1=value -Dkey2=value ...

Use os.environ[str(DEBUSSY)] for both reading and writing (http://docs.python.org/library/os.html#os.environ).

As for reading, you have to parse the number from the string yourself of course.

For me an explicit set on the arguments section of the external tools configuration in Eclipse was the problem.

MacOS

add this string in file ~/.bashrc or ~/.zshrc

export ANDROID_HOME="/Users/<userlogin>/Library/Android/sdk"

So if want to set the value of an environment variable to something different for every build then we can pass these values during build time and we don't need to change our docker file every time.

While ENV, once set cannot be overwritten through command line values. So, if we want to have our environment variable to have different values for different builds then we could use ARG and set default values in our docker file. And when we want to overwrite these values then we can do so using --build-args at every build without changing our docker file.

For more details, you can refer this.

There are different types of shells. The SSH command execution shell is a non-interactive shell, whereas your normal shell is either a login shell or an interactive shell. Description follows, from man bash:

       A  login  shell  is  one whose first character of argument
       zero is a -, or one started with the --login option.

       An interactive shell is  one  started  without  non-option
       arguments  and  without the -c option whose standard input
       and error are both connected to terminals  (as  determined
       by  isatty(3)), or one started with the -i option.  PS1 is
       set and $- includes i if bash is interactive,  allowing  a
       shell script or a startup file to test this state.

       The  following  paragraphs  describe how bash executes its
       startup files.  If any of the files exist  but  cannot  be
       read,  bash reports an error.  Tildes are expanded in file
       names as described below  under  Tilde  Expansion  in  the
       EXPANSION section.

       When  bash is invoked as an interactive login shell, or as
       a non-interactive shell with the --login option, it  first
       reads and executes commands from the file /etc/profile, if
       that file exists.  After reading that file, it  looks  for
       ~/.bash_profile,  ~/.bash_login,  and  ~/.profile, in that
       order, and reads and executes commands from the first  one
       that  exists  and is readable.  The --noprofile option may
       be used when the shell is started to inhibit  this  behav­
       ior.

       When a login shell exits, bash reads and executes commands
       from the file ~/.bash_logout, if it exists.

       When an interactive shell that is not  a  login  shell  is
       started,  bash reads and executes commands from ~/.bashrc,
       if that file exists.  This may be inhibited by  using  the
       --norc  option.   The --rcfile file option will force bash
       to  read  and  execute  commands  from  file  instead   of
       ~/.bashrc.

       When  bash  is  started  non-interactively, to run a shell
       script, for example, it looks for the variable BASH_ENV in
       the  environment,  expands  its value if it appears there,
       and uses the expanded value as the name of a file to  read
       and  execute.   Bash  behaves  as if the following command
       were executed:
              if [ -n "$BASH_ENV" ]; then . "$BASH_ENV"; fi
       but the value of the PATH variable is not used  to  search
       for the file name.

If you use vue cli with the Webpack template (default config), you can create and add your environment variables to a .env file.

The variables will automatically be accessible under process.env.variableName in your project. Loaded variables are also available to all vue-cli-service commands, plugins and dependencies.

You have a few options, this is from the Environment Variables and Modes documentation:

.env                # loaded in all cases
.env.local          # loaded in all cases, ignored by git
.env.[mode]         # only loaded in specified mode
.env.[mode].local   # only loaded in specified mode, ignored by git

Your .env file should look like this:

VUE_APP_MY_ENV_VARIABLE=value
VUE_APP_ANOTHER_VARIABLE=value

It is my understanding that all you need to do is create the .env file and add your variables then you're ready to go! :)

As noted in comment below: If you are using Vue cli 3, only variables that start with VUE_APP_ will be loaded.

Don't forget to restart serve if it is currently running.

Jon has the right answer, but to elaborate a little more with some syntactic sugar..

SET | more

enables you to see the variables one page at a time, rather than the whole lot, or

SET > output.txt

sends the output to a file output.txt which you can open in Notepad or whatever...

To export user variables, open a command prompt and use regedit with /e

Example :

regedit /e "%userprofile%\Desktop\my_user_env_variables.reg" "HKEY_CURRENT_USER\Environment"

Looks like this bug has been around for quite a while! Here are some bug references you may find helpful (and may want to subscribe to / vote up, hint, hint...):

Debian bug #85123 ("sudo: SECURE_PATH still can't be overridden") (from 2001!)

It seems that Bug#20996 is still present in this version of sudo. The changelog says that it can be overridden at runtime but I haven't yet discovered how.

They mention putting something like this in your sudoers file:

Defaults secure_path="/bin:/usr/bin:/usr/local/bin"

but when I do that in Ubuntu 8.10 at least, it gives me this error:

visudo: unknown defaults entry `secure_path' referenced near line 10

Ubuntu bug #50797 ("sudo built with --with-secure-path is problematic")

Worse still, as far as I can tell, it is impossible to respecify secure_path in the sudoers file. So if, for example, you want to offer your users easy access to something under /opt, you must recompile sudo.

---

Yes. There needs to be a way to override this "feature" without having to recompile. Nothing worse then security bigots telling you what's best for your environment and then not giving you a way to turn it off.

---

This is really annoying. It might be wise to keep current behavior by default for security reasons, but there should be a way of overriding it other than recompiling from source code! Many people ARE in need of PATH inheritance. I wonder why no maintainers look into it, which seems easy to come up with an acceptable solution.

---

I worked around it like this:

mv /usr/bin/sudo /usr/bin/sudo.orig

then create a file /usr/bin/sudo containing the following:

#!/bin/bash
/usr/bin/sudo.orig env PATH=$PATH "$@"

then your regular sudo works just like the non secure-path sudo

Ubuntu bug #192651 ("sudo path is always reset")

Given that a duplicate of this bug was originally filed in July 2006, I'm not clear how long an ineffectual env_keep has been in operation. Whatever the merits of forcing users to employ tricks such as that listed above, surely the man pages for sudo and sudoers should reflect the fact that options to modify the PATH are effectively redundant.

Modifying documentation to reflect actual execution is non destabilising and very helpful.

Ubuntu bug #226595 ("impossible to retain/specify PATH")

I need to be able to run sudo with additional non-std binary folders in the PATH. Having already added my requirements to /etc/environment I was surprised when I got errors about missing commands when running them under sudo.....

I tried the following to fix this without sucess:

1. Using the "sudo -E" option - did not work. My existing PATH was still reset by sudo

2. Changing "Defaults env_reset" to "Defaults !env_reset" in /etc/sudoers -- also did not work (even when combined with sudo -E)

3. Uncommenting env_reset (e.g. "#Defaults env_reset") in /etc/sudoers -- also did not work.

4. Adding 'Defaults env_keep += "PATH"' to /etc/sudoers -- also did not work.

Clearly - despite the man documentation - sudo is completely hardcoded regarding PATH and does not allow any flexibility regarding retaining the users PATH. Very annoying as I can't run non-default software under root permissions using sudo.

Please try this one option:

 task RunTest(type: Test) {
         systemProperty "spring.profiles.active", System.getProperty("DEV")
         include 'com/db/project/Test1.class'
     }

The shortest way I found:

Your .env file:

VARIABLE_NAME="A_VALUE"

Then just

. ./.env && echo ${VARIABLE_NAME}

Bonus: Because it's a short one-liner, it's very useful in package.json file

  "scripts": {
    "echo:variable": ". ./.env && echo ${VARIABLE_NAME}"
  }

try this.. I had it too but now it solved in XP..

C:\ YourFolder >set path=C:\Program Files\Java\jdk1.7.0_09\bin;
C:\ YourFolder >javac YourCode.java

System variables can be set through CMD and registry For ex. reg query "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Environment" /v PATH

All the commonly used CMD codes and system variables are given here: Set Windows system environment variables using CMD.

Open CMD and type Set

You will get all the values of system variable.

Type set java to know the path details of java installed on your window OS.

In Visual Studio 2008 and Visual Studio 2005 at least, you can specify changes to environment variables in the project settings.

Open your project. Go to Project -> Properties... Under Configuration Properties -> Debugging, edit the 'Environment' value to set environment variables.

For example, if you want to add the directory "c:\foo\bin" to the path when debugging your application, set the 'Environment' value to "PATH=%PATH%;c:\foo\bin".

It is possible to reference an intellij 'Path Variable' in an intellij 'Run Configuration'.

In 'Path Variables' create a variable for example ANALYTICS_VERSION.

In a 'Run Configuration' under 'Environment Variables' add for example the following:

ANALYTICS_LOAD_LOCATION=$MAVEN_REPOSITORY$\com\my\company\analytics\$ANALYTICS_VERSION$\bin

To answer the original question you would need to add an APP_HOME environment variable to your run configuration which references the path variable:

APP_HOME=$APP_HOME$

Running 'py' command will tell you what version you have running. If you currently running 3.x and you need to switch to 2.x, you will need to use switch '-2'

py -2

If you need to switch from python 2.x to python 3.x you will have to use '-3' switch

py -3

If you would like to have Python 3.x as a default version, then you will need to create environment variable 'PY_PYTHON' and set it's value to 3.

Update

It is now possible to create command line launcher automatically from JetBrains Toolbox. This is how you do it:

1. Open up the toolbox window;
2. Go to the gear icon in the upper right (the settings window for toolbox itself);
3. Turn on Generate shell scripts;
4. Fill the Shell script location textbox with the location where you want the launchers to reside. You have to do this manually it will not fill automatically at this time!

On Mac the location could be /usr/local/bin. For the novices, you can use any path inside the PATH variable or add a new path to the PATH variable in your bash profile. Use echo $PATH to see which paths are there.

Note! It did not work right away for me, I had to fiddle around a little before the scripts were generated. You can go to the gearbox of the IDEA (PyCharm for example) and see/change the launcher name. So for PyCharm, the default name is pycharm but you can change this to whatever you prefer.

Original answer

If you do not use the toolbox you can still use my original answer.

~~For some reason, the Create Command Line Launcher is not available anymore in 2019.1.~~ Because it is now part of JetBrains Toolbox

This is how you can create the script yourself:

If you already used the charm command before use type -a charm to find the script. Change the pycharm version in the file paths. Note that the numbering in the first variable RUN_PATH is different. You will have to look this up in the dir yourself.

RUN_PATH = u'/Users/boatfolder/Library/Application Support/JetBrains/Toolbox/apps/PyCharm-P/ch-0/191.6183.50/PyCharm.app'
CONFIG_PATH = u'/Users/boatfolder/Library/Preferences/PyCharm2019.1'
SYSTEM_PATH = u'/Users/boatfolder/Library/Caches/PyCharm2019.1'

If you did not use the charm command before, you will have to create it.

Create the charm file somewhere like this: /usr/local/bin/charm

Then add this code (change version number to your version as explained above):

#!/usr/bin/env python
# -*- coding: utf-8 -*-

import socket
import struct
import sys
import os
import time

# see com.intellij.idea.SocketLock for the server side of this interface

RUN_PATH = u'/Users/boatfolder/Library/Application Support/JetBrains/Toolbox/apps/PyCharm-P/ch-0/191.6183.50/PyCharm.app'
CONFIG_PATH = u'/Users/boatfolder/Library/Preferences/PyCharm2019.1'
SYSTEM_PATH = u'/Users/boatfolder/Library/Caches/PyCharm2019.1'


def print_usage(cmd):
    print(('Usage:\n' +
           '  {0} -h | -? | --help\n' +
           '  {0} [project_dir]\n' +
           '  {0} [-l|--line line] [project_dir|--temp-project] file[:line]\n' +
           '  {0} diff <left> <right>\n' +
           '  {0} merge <local> <remote> [base] <merged>').format(cmd))


def process_args(argv):
    args = []

    skip_next = False
    for i, arg in enumerate(argv[1:]):
        if arg == '-h' or arg == '-?' or arg == '--help':
            print_usage(argv[0])
            exit(0)
        elif i == 0 and (arg == 'diff' or arg == 'merge' or arg == '--temp-project'):
            args.append(arg)
        elif arg == '-l' or arg == '--line':
            args.append(arg)
            skip_next = True
        elif skip_next:
            args.append(arg)
            skip_next = False
        else:
            path = arg
            if ':' in arg:
                file_path, line_number = arg.rsplit(':', 1)
                if line_number.isdigit():
                    args.append('-l')
                    args.append(line_number)
                    path = file_path
            args.append(os.path.abspath(path))

    return args


def try_activate_instance(args):
    port_path = os.path.join(CONFIG_PATH, 'port')
    token_path = os.path.join(SYSTEM_PATH, 'token')
    if not (os.path.exists(port_path) and os.path.exists(token_path)):
        return False

    try:
        with open(port_path) as pf:
            port = int(pf.read())
        with open(token_path) as tf:
            token = tf.read()
    except (ValueError):
        return False

    s = socket.socket()
    s.settimeout(0.3)
    try:
        s.connect(('127.0.0.1', port))
    except (socket.error, IOError):
        return False

    found = False
    while True:
        try:
            path_len = struct.unpack('>h', s.recv(2))[0]
            path = s.recv(path_len).decode('utf-8')
            if os.path.abspath(path) == os.path.abspath(CONFIG_PATH):
                found = True
                break
        except (socket.error, IOError):
            return False

    if found:
        cmd = 'activate ' + token + '\0' + os.getcwd() + '\0' + '\0'.join(args)
        if sys.version_info.major >= 3: cmd = cmd.encode('utf-8')
        encoded = struct.pack('>h', len(cmd)) + cmd
        s.send(encoded)
        time.sleep(0.5)  # don't close the socket immediately
        return True

    return False


def start_new_instance(args):
    if sys.platform == 'darwin':
        if len(args) > 0:
            args.insert(0, '--args')
        os.execvp('/usr/bin/open', ['-a', RUN_PATH] + args)
    else:
        bin_file = os.path.split(RUN_PATH)[1]
        os.execv(RUN_PATH, [bin_file] + args)


ide_args = process_args(sys.argv)
if not try_activate_instance(ide_args):
    start_new_instance(ide_args)

Implement Comparable interface to Fruit.

public class Fruit implements Comparable<Fruit> {

It implements the method

@Override
    public int compareTo(Fruit fruit) {
        //write code here for compare name
    }

Then do call sort method

Collections.sort(fruitList);

Since they are running on different ports, they are different JavaScript origin. It doesn't matter that they are on the same machine/hostname.

You need to enable CORS on the server (localhost:8080). Check out this site: http://enable-cors.org/

All you need to do is add an HTTP header to the server:

Access-Control-Allow-Origin: http://localhost:3000

Or, for simplicity:

Access-Control-Allow-Origin: *

Thought don't use "*" if your server is trying to set cookie and you use withCredentials = true

when responding to a credentialed request, server must specify a domain, and cannot use wild carding.

You can read more about withCredentials here

Unfortunately if you're looking to apply UIPopoverController in iOS9, you'll get a deprecated class warning. Instead you need to set your desired view's UIModalPresentationPopover property to achieve the same result.

Popover

In a horizontally regular environment, a presentation style where the content is displayed in a popover view. The background content is dimmed and taps outside the popover cause the popover to be dismissed. If you do not want taps to dismiss the popover, you can assign one or more views to the passthroughViews property of the associated UIPopoverPresentationController object, which you can get from the popoverPresentationController property.

In a horizontally compact environment, this option behaves the same as UIModalPresentationFullScreen.

Available in iOS 8.0 and later.

Reference: https://developer.apple.com/documentation/uikit/uiviewcontroller/1621355-modalpresentationstyle

Here is the Koltin style, I use this in my project and it works very well:

this.yourview.setOnTouchListener(View.OnTouchListener { _, event ->
        val x = event.x
        val y = event.y

        when(event.action) {
            MotionEvent.ACTION_DOWN -> {
                Log.d(TAG, "ACTION_DOWN \nx: $x\ny: $y")
            }
            MotionEvent.ACTION_MOVE -> {
                Log.d(TAG, "ACTION_MOVE \nx: $x\ny: $y")
            }
            MotionEvent.ACTION_UP -> {
                Log.d(TAG, "ACTION_UP \nx: $x\ny: $y")
            }
        }
        return@OnTouchListener  true
    })

O(n),I would say . I am doing for a balanced tree,applicable for all the trees. Assuming that you use recursion,

T(n) = 2*T(n/2) + 1 ----------> (1)

T(n/2) for left sub-tree and T(n/2) for right sub-tree and '1' for verifying the base case.

On Simplifying (1) you can prove that the traversal(either inorder or preorder or post order) is of order O(n).

I'm a PHP developer and to be able to work on my development environment with a certificate, I was able to do the same by finding the real SSL HTTPS/HTTP Certificate and deleting it.

The steps are :

1. In the address bar, type "chrome://net-internals/#hsts".
2. Type the domain name in the text field below "Delete domain".
3. Click the "Delete" button.
4. Type the domain name in the text field below "Query domain".
5. Click the "Query" button.
6. Your response should be "Not found".

You can find more information at : http://classically.me/blogs/how-clear-hsts-settings-major-browsers

Although this solution is not the best, Chrome currently does not have any good solution for the moment. I have escalated this situation with their support team to help improve user experience.

Edit : you have to repeat the steps every time you will go on the production site.

The terms "shallow copy" and "deep copy" are a bit vague; I would suggest using the terms "memberwise clone" and what I would call a "semantic clone". A "memberwise clone" of an object is a new object, of the same run-time type as the original, for every field, the system effectively performs "newObject.field = oldObject.field". The base Object.Clone() performs a memberwise clone; memberwise cloning is generally the right starting point for cloning an object, but in most cases some "fixup work" will be required following a memberwise clone. In many cases attempting to use an object produced via memberwise clone without first performing the necessary fixup will cause bad things to happen, including the corruption of the object that was cloned and possibly other objects as well. Some people use the term "shallow cloning" to refer to memberwise cloning, but that's not the only use of the term.

A "semantic clone" is an object which is contains the same data as the original, from the point of view of the type. For examine, consider a BigList which contains an Array> and a count. A semantic-level clone of such an object would perform a memberwise clone, then replace the Array> with a new array, create new nested arrays, and copy all of the T's from the original arrays to the new ones. It would not attempt any sort of deep-cloning of the T's themselves. Ironically, some people refer to the of cloning "shallow cloning", while others call it "deep cloning". Not exactly useful terminology.

While there are cases where truly deep cloning (recursively copying all mutable types) is useful, it should only be performed by types whose constituents are designed for such an architecture. In many cases, truly deep cloning is excessive, and it may interfere with situations where what's needed is in fact an object whose visible contents refer to the same objects as another (i.e. a semantic-level copy). In cases where the visible contents of an object are recursively derived from other objects, a semantic-level clone would imply a recursive deep clone, but in cases where the visible contents are just some generic type, code shouldn't blindly deep-clone everything that looks like it might possibly be deep-clone-able.

You may also have this problem if in your path you have C:\Program Files\nodejs and C:\Program Files\nodejs\node_modules\npm\bin. Remove the latter from the path

First, the client authenticates with the authorization server by giving the authorization grant.

Then, the client requests the resource server for the protected resource by giving the access token.

The resource server validates the access token and provides the protected resource.

The client makes the protected resource request to the resource server by granting the access token, where the resource server validates it and serves the request, if valid. This step keeps on repeating until the access token expires.

If the access token expires, the client authenticates with the authorization server and requests for a new access token by providing refresh token. If the access token is invalid, the resource server sends back the invalid token error response to the client.

The client authenticates with the authorization server by granting the refresh token.

The authorization server then validates the refresh token by authenticating the client and issues a new access token, if it is valid.

This is what I use in my application:

static void Main()
{
  bool mutexCreated = false;
  System.Threading.Mutex mutex = new System.Threading.Mutex( true, @"Local\slimCODE.slimKEYS.exe", out mutexCreated );

  if( !mutexCreated )
  {
    if( MessageBox.Show(
      "slimKEYS is already running. Hotkeys cannot be shared between different instances. Are you sure you wish to run this second instance?",
      "slimKEYS already running",
      MessageBoxButtons.YesNo,
      MessageBoxIcon.Question ) != DialogResult.Yes )
    {
      mutex.Close();
      return;
    }
  }

  // The usual stuff with Application.Run()

  mutex.Close();
}

You can implement custom iComparer to do sorting. Read the file info for files and compare as you like.

IComparer comparer = new YourCustomComparer();
Array.Sort(System.IO.Directory.GetFiles(), comparer);

msdn info IComparer interface

As others have answered both NSInputStream and NSFileHandle are fine options, but it can also be done in a fairly compact way with NSData and memory mapping:

BRLineReader.h

#import <Foundation/Foundation.h>

@interface BRLineReader : NSObject

@property (readonly, nonatomic) NSData *data;
@property (readonly, nonatomic) NSUInteger linesRead;
@property (strong, nonatomic) NSCharacterSet *lineTrimCharacters;
@property (readonly, nonatomic) NSStringEncoding stringEncoding;

- (instancetype)initWithFile:(NSString *)filePath encoding:(NSStringEncoding)encoding;
- (instancetype)initWithData:(NSData *)data encoding:(NSStringEncoding)encoding;
- (NSString *)readLine;
- (NSString *)readTrimmedLine;
- (void)setLineSearchPosition:(NSUInteger)position;

@end

BRLineReader.m

#import "BRLineReader.h"

static unsigned char const BRLineReaderDelimiter = '\n';

@implementation BRLineReader
{
    NSRange _lastRange;
}

- (instancetype)initWithFile:(NSString *)filePath encoding:(NSStringEncoding)encoding
{
    self = [super init];
    if (self) {
        NSError *error = nil;
        _data = [NSData dataWithContentsOfFile:filePath options:NSDataReadingMappedAlways error:&error];
        if (!_data) {
            NSLog(@"%@", [error localizedDescription]);
        }
        _stringEncoding = encoding;
        _lineTrimCharacters = [NSCharacterSet whitespaceAndNewlineCharacterSet];
    }

    return self;
}

- (instancetype)initWithData:(NSData *)data encoding:(NSStringEncoding)encoding
{
    self = [super init];
    if (self) {
        _data = data;
        _stringEncoding = encoding;
        _lineTrimCharacters = [NSCharacterSet whitespaceAndNewlineCharacterSet];
    }

    return self;
}

- (NSString *)readLine
{
    NSUInteger dataLength = [_data length];
    NSUInteger beginPos = _lastRange.location + _lastRange.length;
    NSUInteger endPos = 0;
    if (beginPos == dataLength) {
        // End of file
        return nil;
    }

    unsigned char *buffer = (unsigned char *)[_data bytes];
    for (NSUInteger i = beginPos; i < dataLength; i++) {
        endPos = i;
        if (buffer[i] == BRLineReaderDelimiter) break;
    }

    // End of line found
    _lastRange = NSMakeRange(beginPos, endPos - beginPos + 1);
    NSData *lineData = [_data subdataWithRange:_lastRange];
    NSString *line = [[NSString alloc] initWithData:lineData encoding:_stringEncoding];
    _linesRead++;

    return line;
}

- (NSString *)readTrimmedLine
{
    return [[self readLine] stringByTrimmingCharactersInSet:_lineTrimCharacters];
}

- (void)setLineSearchPosition:(NSUInteger)position
{
    _lastRange = NSMakeRange(position, 0);
    _linesRead = 0;
}

@end

SELECT  DISTINCT *
FROM    people
WHERE   names = 'Smith'
ORDER BY
        names
LIMIT 10

I prefer going the long route. These are the checks I follow to avoid using a try-except clause -

1. check if variable is not None
2. then check if its a dataframe and
3. make sure its not empty

Here, DATA is the suspect variable -

DATA is not None and isinstance(DATA, pd.DataFrame) and not DATA.empty

Some of the answers above don't account for folder names with periods. (folder.mp3 is a valid folder name). You should make sure the "file" isn't actually a folder before checking the extension.

Checking the extension of a file:

import os

file_path = "C:/folder/file.mp3"
if os.path.isfile(file_path):
    file_extension = os.path.splitext(file_path)[1]
    if file_extension.lower() == ".mp3":
        print("It's an mp3")
    if file_extension.lower() == ".flac":
        print("It's a flac")

Output:

It's an mp3

Checking the extension of all files in a folder:

import os

directory = "C:/folder"
for file in os.listdir(directory):
    file_path = os.path.join(directory, file)
    if os.path.isfile(file_path):
        file_extension = os.path.splitext(file_path)[1]
        print(file, "ends in", file_extension)

Output:

abc.txt ends in .txt
file.mp3 ends in .mp3
song.flac ends in .flac

Comparing file extension against multiple types:

import os

file_path = "C:/folder/file.mp3"
if os.path.isfile(file_path):
    file_extension = os.path.splitext(file_path)[1]
    if file_extension.lower() in {'.mp3', '.flac', '.ogg'}:
        print("It's a music file")
    elif file_extension.lower() in {'.jpg', '.jpeg', '.png'}:
        print("It's an image file")

Output:

It's a music file

Add a column to your existing data to get rid of the hour:minute:second time stamp on each row:

 =DATE(YEAR(A1), MONTH(A1), DAY(A1))

Extend this down the length of your data. Even easier: quit collecting the hh:mm:ss data if you don't need it. Assuming your date/time was in column A, and your value was in column B, you'd put the above formula in column C, and auto-extend it for all your data.

Now, in another column (let's say E), create a series of dates corresponding to each day of the specific month you're interested in. Just type the first date, (for example, 10/7/2016 in E1), and auto-extend. Then, in the cell next to the first date, F1, enter:

=SUMIF(C:C, E1, B:B )

autoextend the formula to cover every date in the month, and you're done. Begin at 1/1/2016, and auto-extend for the whole year if you like.

There are two cases:

1. If you are having a single image, irrespective of device version, then you should put your images in drawable folder.

2. But for the images that you created separately for hdpi, ldpi, mdpi, xhdpi, xxhdpi and xxxhdpi, depending on screen resolution of the mobile that will be using the app, you have to puy them in drawable-hdpi, drawable-ldpi, drawable-mdpi, drawable-xhdpi, drawable-xxhdpi and drawable-xxxhdpi folders respectively.

For the first case, if there is a single image, you can pretty much place it in any drawable folder, but its standard convention to put them in drawable folder.

My .zip file was formatted correctly (I think) but it wasn't working. Even unchecking "Group items by category" didn't work

To install it I did so:

• unzip the .zip archive
• Help -> Install New Software...
• Add... -> Archive...
• I selected the "content.jar" file

At this point Eclipse read the plugin correctly, I went ahead, accepted the conditions and then asked me to restart the IDE.

I don't see an obvious problem with the above.

It's possible your ldap.conf is being overridden, but the command-line options will take precedence, ldapsearch will ignore BINDDN in the main ldap.conf, so the only parameter that could be wrong is the URI. (The order is ETCDIR/ldap.conf then ~/ldaprc or ~/.ldaprc and then ldaprc in the current directory, though there environment variables which can influence this too, see man ldapconf.)

Try an explicit URI:

ldapsearch -x -W -D 'cn=Manager,dc=example,dc=com' -b "" -s base -H ldap://localhost

or prevent defaults with:

LDAPNOINIT=1 ldapsearch -x -W -D 'cn=Manager,dc=example,dc=com' -b "" -s base

If that doesn't work, then some troubleshooting (you'll probably need the full path to the slapd binary for these):

• make sure your slapd.conf is being used and is correct (as root)

  slapd -T test -f slapd.conf -d 65535

  You may have a left-over or default slapd.d configuration directory which takes preference over your slapd.conf (unless you specify your config explicitly with -f, slapd.conf is officially deprecated in OpenLDAP-2.4). If you don't get several pages of output then your binaries were built without debug support.

• stop OpenLDAP, then manually start slapd in a separate terminal/console with debug enabled (as root, ^C to quit)

  slapd -h ldap://localhost -d 481

  then retry the search and see if you can spot the problem (there will be a lot of schema noise in the start of the output unfortunately). (Note: running slapd without the -u/-g options can change file ownerships which can cause problems, you should usually use those options, probably -u ldap -g ldap )

• if debug is enabled, then try also

  ldapsearch -v -d 63 -W -D 'cn=Manager,dc=example,dc=com' -b "" -s base

With the AppendLine method.

???

Let me explain why you do you got this error "Bus error: 10"

char *str1 = "First string";
// for this statement the memory will be allocated into the CODE/TEXT segment which is READ-ONLY

char *str2 = "Second string";
// for this statement the memory will be allocated into the CODE/TEXT segment which is READ-ONLY

strcpy(str1, str2);
// This function will copy the content from str2 into str1, this is not possible because you are try to perform READ WRITE operation inside the READ-ONLY segment.Which was the root cause 

If you want to perform string manipulation use automatic variables(STACK segment) or dynamic variables(HEAP segment)

Vasanth

list1 = (x[0] for x in source_list)
list2 = (x[1] for x in source_list)

Technically there aren't actually any "remote" things at all¹ in your Git repo, there are just local names that should correspond to the names on another, different repo. The ones named origin/whatever will initially match up with those on the repo you cloned-from:

git clone ssh://some.where.out.there/some/path/to/repo # or git://some.where...

makes a local copy of the other repo. Along the way it notes all the branches that were there, and the commits those refer-to, and sticks those into your local repo under the names refs/remotes/origin/.

Depending on how long you go before you git fetch or equivalent to update "my copy of what's some.where.out.there", they may change their branches around, create new ones, and delete some. When you do your git fetch (or git pull which is really fetch plus merge), your repo will make copies of their new work and change all the refs/remotes/origin/<name> entries as needed. It's that moment of fetching that makes everything match up (well, that, and the initial clone, and some cases of pushing too—basically whenever Git gets a chance to check—but see caveat below).

Git normally has you refer to your own refs/heads/<name> as just <name>, and the remote ones as origin/<name>, and it all just works because it's obvious which one is which. It's sometimes possible to create your own branch names that make it not obvious, but don't worry about that until it happens. :-) Just give Git the shortest name that makes it obvious, and it will go from there: origin/master is "where master was over there last time I checked", and master is "where master is over here based on what I have been doing". Run git fetch to update Git on "where master is over there" as needed.

Caveat: in versions of Git older than 1.8.4, git fetch has some modes that don't update "where master is over there" (more precisely, modes that don't update any remote-tracking branches). Running git fetch origin, or git fetch --all, or even just git fetch, does update. Running git fetch origin master doesn't. Unfortunately, this "doesn't update" mode is triggered by ordinary git pull. (This is mainly just a minor annoyance and is fixed in Git 1.8.4 and later.)

¹Well, there is one thing that is called a "remote". But that's also local! The name origin is the thing Git calls "a remote". It's basically just a short name for the URL you used when you did the clone. It's also where the origin in origin/master comes from. The name origin/master is called a remote-tracking branch, which sometimes gets shortened to "remote branch", especially in older or more informal documentation.

In my experience

document.getElementById(frmObj.id).focus();

is good on a browser running on a PC. But on mobile if you want the keyboard to show up so the user can input directly then you also need:

document.getElementById(frmObj.id).select();

alternatively you could use ctypes witch would look something like this

import ctypes

def f(a):
    a.value=2398 ## resign the value in a function

a = ctypes.c_int(0)
print("pre f", a)
f(a)
print("post f", a)

as a is a c int and not a python integer and apperently passed by reference. however you have to be carefull as strange things could happen and is therefor not advised

Simplest of all solutions for OFFICE 365:

from O365 import Message

html_template =     """ 
            <html>
            <head>
                <title></title>
            </head>
            <body>
                    {}
            </body>
            </html>
        """

final_html_data = html_template.format(df.to_html(index=False))

o365_auth = ('sender_username@company_email.com','Password')
m = Message(auth=o365_auth)
m.setRecipients('receiver_username@company_email.com')
m.setSubject('Weekly report')
m.setBodyHTML(final)
m.sendMessage()

here df is a dataframe converted to html Table, which is being injected to html_template

You can also use:

(Resolve-Path .\).Path

The part in brackets returns a PathInfo object.

(Available since PowerShell 2.0.)

Add overflow: auto to the container div. http://www.quirksmode.org/css/clearing.html This website shows a few options when having this issue.

Hi, this will throw an error:

foreach ($product->sku as $sku){ 
// Code Here
}

because you cannot loop a model with a specific column ($product->sku) from the table.
So you must loop on the whole model:

foreach ($product as $p) {
// code
}

Inside the loop you can retrieve whatever column you want just adding "->[column_name]"

foreach ($product as $p) {
echo $p->sku;
}

Have a great day

Your question is similar to "is there a typical Data Base implementation pattern"? The answer depends upon what do you want to achieve? If you want to implement a larger deterministic state machine you may use a model and a state machine generator. Examples can be viewed at www.StateSoft.org - SM Gallery. Janusz Dobrowolski

If you need to get current position in form's area(got experimentally), try:

Console.WriteLine("Current mouse position in form's area is " + 
    (Control.MousePosition.X - this.Location.X - 8).ToString() +
    "x" + 
    (Control.MousePosition.Y - this.Location.Y - 30).ToString()
);

Although, 8 and 30 integers were found by experimenting.

Would be awesome if someone could explain why exactly these numbers ^.

Also, there's another variant(considering code is in Form's CodeBehind):

Point cp = PointToClient(Cursor.Position); // Getting a cursor's position according form's area
Console.WriteLine("Cursor position: X = " + cp.X + ", Y = " + cp.Y);

Forgive the flippancy, but if you are doing REST over HTTP then RFC7231 describes exactly what behaviour is expected from GET, PUT, POST and DELETE.

Update (Jul 3 '14):
The HTTP spec intentionally does not define what is returned from POST or DELETE. The spec only defines what needs to be defined. The rest is left up to the implementer to choose.

use parseInt

   var total = parseInt(a) + parseInt(b);


    $('#total_price').val(total);

If you have the cursor on a method then CTRL+SHIFT+I will popup the method implementation. If the method is an interface method, then you can use up- and down- arrows to cycle through the implementations:

Map<String, Integer> m = ...
m.contains|Key("Wibble");

Where | is (for example) where your cursor is.

You could use moment.js with Postman to give you that timestamp format.

You can add this to the pre-request script:

const moment = require('moment');
pm.globals.set("today", moment().format("MM/DD/YYYY"));

Then reference {{today}} where ever you need it.

If you add this to the Collection Level Pre-request Script, it will be run for each request in the Collection. Rather than needing to add it to all the requests individually.

For more information about using moment in Postman, I wrote a short blog post: https://dannydainton.com/2018/05/21/hold-on-wait-a-moment/

The accepted answer here describes what ob_start() does - not why it is used (which was the question asked).

As stated elsewhere ob_start() creates a buffer which output is written to.

But nobody has mentioned that it is possible to stack multiple buffers within PHP. See ob_get_level().

As to the why....

1. Sending HTML to the browser in larger chunks gives a performance benefit from a reduced network overhead.

2. Passing the data out of PHP in larger chunks gives a performance and capacity benefit by reducing the number of context switches required

3. Passing larger chunks of data to mod_gzip/mod_deflate gives a performance benefit in that the compression can be more efficient.

4. buffering the output means that you can still manipulate the HTTP headers later in the code

5. explicitly flushing the buffer after outputting the [head]....[/head] can allow the browser to begin marshaling other resources for the page before HTML stream completes.

6. Capturing the output in a buffer means that it can redirected to other functions such as email, or copied to a file as a cached representation of the content

For me the easiest way to go is to use range.

import csv

with open('files/filename.csv') as I:
    reader = csv.reader(I)
    fulllist = list(reader)

# Starting with data skipping header
for item in range(1, len(fulllist)): 
    # Print each row using "item" as the index value
    print (fulllist[item])  

It is possible, if you're using a browser which supports the CSS :valid pseudo-class and the pattern validation attribute on inputs -- which includes most modern browsers except IE9.

For instance, to change the text of an input from black to green when the correct answer is entered:

input {_x000D_
  color: black;_x000D_
}_x000D_
input:valid {_x000D_
  color: green;_x000D_
}

<p>Which country has fifty states?</p>_x000D_
_x000D_
<input type="text" pattern="^United States$">

There is no way to do this in single query. You have to search the document in first query:

If document exists:

db.bar.update( {user_id : 123456 , "items.item_name" : "my_item_two" } , 
                {$inc : {"items.$.price" : 1} } , 
                false , 
                true);

Else

db.bar.update( {user_id : 123456 } , 
                {$addToSet : {"items" : {'item_name' : "my_item_two" , 'price' : 1 }} } ,
                false , 
                true);

No need to add condition {$ne : "my_item_two" }.

Also in multithreaded enviourment you have to be careful that only one thread can execute the second (insert case, if document did not found) at a time, otherwise duplicate embed documents will be inserted.

check the code below this will be helpful for you:

<script type="text/javascript">
  window.opener.location.href = '@Url.Action("Action", "EventstController")', window.close();
</script>

If you need a custom title for each option, ng-options is not applicable. Instead use ng-repeat with options:

<select ng-model="myVariable">
  <option ng-repeat="item in items"
          value="{{item.ID}}"
          title="Custom title: {{item.Title}} [{{item.ID}}]">
       {{item.Title}}
  </option>
</select>

EDIT: Updated for jQuery 1.8

Since jQuery 1.8 browser specific transformations will be added automatically. jsFiddle Demo

var rotation = 0;

jQuery.fn.rotate = function(degrees) {
    $(this).css({'transform' : 'rotate('+ degrees +'deg)'});
    return $(this);
};

$('.rotate').click(function() {
    rotation += 5;
    $(this).rotate(rotation);
});

EDIT: Added code to make it a jQuery function.

For those of you who don't want to read any further, here you go. For more details and examples, read on. jsFiddle Demo.

var rotation = 0;

jQuery.fn.rotate = function(degrees) {
    $(this).css({'-webkit-transform' : 'rotate('+ degrees +'deg)',
                 '-moz-transform' : 'rotate('+ degrees +'deg)',
                 '-ms-transform' : 'rotate('+ degrees +'deg)',
                 'transform' : 'rotate('+ degrees +'deg)'});
    return $(this);
};

$('.rotate').click(function() {
    rotation += 5;
    $(this).rotate(rotation);
});

EDIT: One of the comments on this post mentioned jQuery Multirotation. This plugin for jQuery essentially performs the above function with support for IE8. It may be worth using if you want maximum compatibility or more options. But for minimal overhead, I suggest the above function. It will work IE9+, Chrome, Firefox, Opera, and many others.

Bobby... This is for the people who actually want to do it in the javascript. This may be required for rotating on a javascript callback.

Here is a jsFiddle.

If you would like to rotate at custom intervals, you can use jQuery to manually set the css instead of adding a class. Like this! I have included both jQuery options at the bottom of the answer.

HTML

<div class="rotate">
    <h1>Rotatey text</h1>
</div>

CSS

/* Totally for style */
.rotate {
    background: #F02311;
    color: #FFF;
    width: 200px;
    height: 200px;
    text-align: center;
    font: normal 1em Arial;
    position: relative;
    top: 50px;
    left: 50px;
}

/* The real code */
.rotated {
    -webkit-transform: rotate(45deg);  /* Chrome, Safari 3.1+ */
    -moz-transform: rotate(45deg);  /* Firefox 3.5-15 */
    -ms-transform: rotate(45deg);  /* IE 9 */
    -o-transform: rotate(45deg);  /* Opera 10.50-12.00 */
    transform: rotate(45deg);  /* Firefox 16+, IE 10+, Opera 12.10+ */
}

jQuery

Make sure these are wrapped in $(document).ready

$('.rotate').click(function() {
    $(this).toggleClass('rotated');
});

Custom intervals

var rotation = 0;
$('.rotate').click(function() {
    rotation += 5;
    $(this).css({'-webkit-transform' : 'rotate('+ rotation +'deg)',
                 '-moz-transform' : 'rotate('+ rotation +'deg)',
                 '-ms-transform' : 'rotate('+ rotation +'deg)',
                 'transform' : 'rotate('+ rotation +'deg)'});
});

Yes. Strings can be seen as character arrays, and the way to access a position of an array is to use the [] operator. Usually there's no problem at all in using $str[0] (and I'm pretty sure is much faster than the substr() method).

There is only one caveat with both methods: they will get the first byte, rather than the first character. This is important if you're using multibyte encodings (such as UTF-8). If you want to support that, use mb_substr(). Arguably, you should always assume multibyte input these days, so this is the best option, but it will be slightly slower.

A very short & easy solution i'm using is this:

@ECHO OFF

SET /p NAME=- NAME ? 
ECHO "%NAME%"
CALL :TRIM %NAME% NAME
ECHO "%NAME%"
PAUSE

:TRIM
SET %2=%1
GOTO :EOF

Results in:

- NAME ?  my_name
" my_name "
"my_name"

I don't believe you can do it directly. One workaround would be to have a private internal implementation of method2 in the superclass, and call that. For example:

public class SuperClass
{
    public void method1()
    {
        System.out.println("superclass method1");
        this.internalMethod2();
    }

    public void method2()
    {
        this.internalMethod2(); 
    }
    private void internalMethod2()
    {
        System.out.println("superclass method2");
    }

}

The regular expression method should work. However what you can also do is lower case the string from the database, lower case the %variables% you have, and then locate the positions and lengths in the lower cased string from the database. Remember, positions in a string don't change just because its lower cased.

Then using a loop that goes in reverse (its easier, if you do not you will have to keep a running count of where later points move to) remove from your non-lower cased string from the database the %variables% by their position and length and insert the replacement values.

An alternative solution, which is portable and with higher precision, available since C++11, is to use std::chrono.

Here is an example:

#include <iostream>
#include <chrono>
typedef std::chrono::high_resolution_clock Clock;

int main()
{
    auto t1 = Clock::now();
    auto t2 = Clock::now();
    std::cout << "Delta t2-t1: " 
              << std::chrono::duration_cast<std::chrono::nanoseconds>(t2 - t1).count()
              << " nanoseconds" << std::endl;
}

Running this on ideone.com gave me:

Delta t2-t1: 282 nanoseconds

I think the python memcached API is the prevalent tool, but I haven't used it myself and am not sure whether it supports the features you need.

Toggle both modals

$('#modalOne').modal('toggle');
$('#modalTwo').modal('toggle');

If you want to do something like,User enter url "www.xxxxxx.com/views/root/" & default page is displayed then I guess you have to set the default/home/welcome page attribute in IIS. But if user just enters "www.xxxxxx.com" and you still want to forward to your url, then you have write a line of code in the default page to forward to your desired url. This default page should be in root directory of your application, so www.xxxxx.com will load www.xxxx.com/index.html which will redirect the user to your desired url

$date = strtotime("+1 day");
echo date('m-d-y',$date);

npm install --silent

Seems to suppress the funding issue.

You can still get it, from microsoft servers, see my answer on this question: Where is Visual Studio 2005 Express?

=IF(ISNA(INDEX(B:B,MATCH(C2,A:A,0))),"",INDEX(B:B,MATCH(C2,A:A,0)))

Will return the answer you want and also remove the #N/A result that would appear if you couldn't find a result due to it not appearing in your lookup list.

Ross

UPDATE: 2019-12-30

It seem that this tool is no longer working! [Request for update!]

UPDATE 2019-01-06: You can bypass X-Frame-Options in an <iframe> using my X-Frame-Bypass Web Component. It extends the IFrame element by using multiple CORS proxies and it was tested in the latest Firefox and Chrome.

You can use it as follows:

1. (Optional) Include the Custom Elements with Built-in Extends polyfill for Safari:

   <script src="https://unpkg.com/@ungap/custom-elements-builtin"></script>
   

2. Include the X-Frame-Bypass JS module:

   <script type="module" src="x-frame-bypass.js"></script>
   

3. Insert the X-Frame-Bypass Custom Element:

   <iframe is="x-frame-bypass" src="https://example.org/"></iframe>
   

HTML5 + spark-md5 and Q

Assuming your'e using a modern browser (that supports HTML5 File API), here's how you calculate the MD5 Hash of a large file (it will calculate the hash on variable chunks)

function calculateMD5Hash(file, bufferSize) {
  var def = Q.defer();

  var fileReader = new FileReader();
  var fileSlicer = File.prototype.slice || File.prototype.mozSlice || File.prototype.webkitSlice;
  var hashAlgorithm = new SparkMD5();
  var totalParts = Math.ceil(file.size / bufferSize);
  var currentPart = 0;
  var startTime = new Date().getTime();

  fileReader.onload = function(e) {
    currentPart += 1;

    def.notify({
      currentPart: currentPart,
      totalParts: totalParts
    });

    var buffer = e.target.result;
    hashAlgorithm.appendBinary(buffer);

    if (currentPart < totalParts) {
      processNextPart();
      return;
    }

    def.resolve({
      hashResult: hashAlgorithm.end(),
      duration: new Date().getTime() - startTime
    });
  };

  fileReader.onerror = function(e) {
    def.reject(e);
  };

  function processNextPart() {
    var start = currentPart * bufferSize;
    var end = Math.min(start + bufferSize, file.size);
    fileReader.readAsBinaryString(fileSlicer.call(file, start, end));
  }

  processNextPart();
  return def.promise;
}

function calculate() {

  var input = document.getElementById('file');
  if (!input.files.length) {
    return;
  }

  var file = input.files[0];
  var bufferSize = Math.pow(1024, 2) * 10; // 10MB

  calculateMD5Hash(file, bufferSize).then(
    function(result) {
      // Success
      console.log(result);
    },
    function(err) {
      // There was an error,
    },
    function(progress) {
      // We get notified of the progress as it is executed
      console.log(progress.currentPart, 'of', progress.totalParts, 'Total bytes:', progress.currentPart * bufferSize, 'of', progress.totalParts * bufferSize);
    });
}

<script src="https://cdnjs.cloudflare.com/ajax/libs/q.js/1.4.1/q.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/spark-md5/2.0.2/spark-md5.min.js"></script>

<div>
  <input type="file" id="file"/>
  <input type="button" onclick="calculate();" value="Calculate" class="btn primary" />
</div>

UPDATE:

You can register a handler for process.on('exit') and in any other case(SIGINT or unhandled exception) to call process.exit()

process.stdin.resume();//so the program will not close instantly

function exitHandler(options, exitCode) {
    if (options.cleanup) console.log('clean');
    if (exitCode || exitCode === 0) console.log(exitCode);
    if (options.exit) process.exit();
}

//do something when app is closing
process.on('exit', exitHandler.bind(null,{cleanup:true}));

//catches ctrl+c event
process.on('SIGINT', exitHandler.bind(null, {exit:true}));

// catches "kill pid" (for example: nodemon restart)
process.on('SIGUSR1', exitHandler.bind(null, {exit:true}));
process.on('SIGUSR2', exitHandler.bind(null, {exit:true}));

//catches uncaught exceptions
process.on('uncaughtException', exitHandler.bind(null, {exit:true}));

On Solaris, you can use pstack(1) No changes to the python code are necessary. eg.

# pstack 16000 | grep : | head
16000: /usr/bin/python2.6 /usr/lib/pkg.depotd --cfg svc:/application/pkg/serv
[ /usr/lib/python2.6/vendor-packages/cherrypy/process/wspbus.py:282 (_wait) ]
[ /usr/lib/python2.6/vendor-packages/cherrypy/process/wspbus.py:295 (wait) ]
[ /usr/lib/python2.6/vendor-packages/cherrypy/process/wspbus.py:242 (block) ]
[ /usr/lib/python2.6/vendor-packages/cherrypy/_init_.py:249 (quickstart) ]
[ /usr/lib/pkg.depotd:890 (<module>) ]
[ /usr/lib/python2.6/threading.py:256 (wait) ]
[ /usr/lib/python2.6/Queue.py:177 (get) ]
[ /usr/lib/python2.6/vendor-packages/pkg/server/depot.py:2142 (run) ]
[ /usr/lib/python2.6/threading.py:477 (run)
etc.

How host name verification should be done is defined in RFC 6125, which is quite recent and generalises the practice to all protocols, and replaces RFC 2818, which was specific to HTTPS. (I'm not even sure Java 7 uses RFC 6125, which might be too recent for this.)

From RFC 2818 (Section 3.1):

If a subjectAltName extension of type dNSName is present, that MUST be used as the identity. Otherwise, the (most specific) Common Name field in the Subject field of the certificate MUST be used. Although the use of the Common Name is existing practice, it is deprecated and Certification Authorities are encouraged to use the dNSName instead.

[...]

In some cases, the URI is specified as an IP address rather than a hostname. In this case, the iPAddress subjectAltName must be present in the certificate and must exactly match the IP in the URI.

Essentially, the specific problem you have comes from the fact that you're using IP addresses in your CN and not a host name. Some browsers might work because not all tools follow this specification strictly, in particular because "most specific" in RFC 2818 isn't clearly defined (see discussions in RFC 6215).

If you're using keytool, as of Java 7, keytool has an option to include a Subject Alternative Name (see the table in the documentation for -ext): you could use -ext san=dns:www.example.com or -ext san=ip:10.0.0.1.

EDIT:

You can request a SAN in OpenSSL by changing openssl.cnf (it will pick the copy in the current directory if you don't want to edit the global configuration, as far as I remember, or you can choose an explicit location using the OPENSSL_CONF environment variable).

Set the following options (find the appropriate sections within brackets first):

[req]
req_extensions = v3_req

[ v3_req ]
subjectAltName=IP:10.0.0.1
# or subjectAltName=DNS:www.example.com

There's also a nice trick to use an environment variable for this (rather in than fixing it in a configuration file) here: http://www.crsr.net/Notes/SSL.html

Seems like Middleware is the way to go.
Refer the official documentation and this issue on their repo

It's used to load modules. Let's use a simple example.

In file circle_object.js:

var Circle = function (radius) {
    this.radius = radius
}
Circle.PI = 3.14

Circle.prototype = {
    area: function () {
        return Circle.PI * this.radius * this.radius;
    }
}

We can use this via require, like:

node> require('circle_object')
{}
node> Circle
{ [Function] PI: 3.14 }
node> var c = new Circle(3)
{ radius: 3 }
node> c.area()

The require() method is used to load and cache JavaScript modules. So, if you want to load a local, relative JavaScript module into a Node.js application, you can simply use the require() method.

Example:

var yourModule = require( "your_module_name" ); //.js file extension is optional

There is an easy fix for this one:

When you want to disable the viewpager scrolling then:

mViewPager.setOnTouchListener(new OnTouchListener() {

   public boolean onTouch(View arg0, MotionEvent arg1) {
      return true;
   }
}); 

And when you want to re-enable it then:

mViewPager.setOnTouchListener(null);

That will do the trick.

The proper test is:

if (capital != null && capital.length < 1) {

This ensures that capital is always non null, when you perform the length check.

Also, as the comments suggest, capital is null because you never initialize it.

Same problem happened to me too. I tested my system on localhost then deployed to the server (which is located at different country) then when I try the system on production server I saw this error. I tried these to fix it:

1. https://www.google.com/settings/security/lesssecureapps Enabled it but it was not my solution
2. https://g.co/allowaccess I allowed access from outside for a limited time and this solved my problem.

Add the following line at the top of the file that gives the error:

declare var require: any

Here is a pure JavaScript example of picking an image file, displaying it, looping through the image properties, and then re-sizing the image from the canvas into an IMG tag and explicitly setting the re-sized image type to jpeg.

If you right click the top image, in the canvas tag, and choose Save File As, it will default to a PNG format. If you right click, and Save File as the lower image, it will default to a JPEG format. Any file over 400px in width is reduced to 400px in width, and a height proportional to the original file.

HTML

<form class='frmUpload'>
  <input name="picOneUpload" type="file" accept="image/*" onchange="picUpload(this.files[0])" >
</form>

<canvas id="cnvsForFormat" width="400" height="266" style="border:1px solid #c3c3c3"></canvas>
<div id='allImgProperties' style="display:inline"></div>

<div id='imgTwoForJPG'></div>

SCRIPT

<script>

window.picUpload = function(frmData) {
  console.log("picUpload ran: " + frmData);

var allObjtProperties = '';
for (objProprty in frmData) {
    console.log(objProprty + " : " + frmData[objProprty]);
    allObjtProperties = allObjtProperties + "<span>" + objProprty + ": " + frmData[objProprty] + ", </span>";
};

document.getElementById('allImgProperties').innerHTML = allObjtProperties;

var cnvs=document.getElementById("cnvsForFormat");
console.log("cnvs: " + cnvs);
var ctx=cnvs.getContext("2d");

var img = new Image;
img.src = URL.createObjectURL(frmData);

console.log('img: ' + img);

img.onload = function() {
  var picWidth = this.width;
  var picHeight = this.height;

  var wdthHghtRatio = picHeight/picWidth;
  console.log('wdthHghtRatio: ' + wdthHghtRatio);

  if (Number(picWidth) > 400) {
    var newHeight = Math.round(Number(400) * wdthHghtRatio);
  } else {
    return false;
  };

    document.getElementById('cnvsForFormat').height = newHeight;
    console.log('width: 400  h: ' + newHeight);
    //You must change the width and height settings in order to decrease the image size, but
    //it needs to be proportional to the original dimensions.
    console.log('This is BEFORE the DRAW IMAGE');
    ctx.drawImage(img,0,0, 400, newHeight);

    console.log('THIS IS AFTER THE DRAW IMAGE!');

    //Even if original image is jpeg, getting data out of the canvas will default to png if not specified
    var canvasToDtaUrl = cnvs.toDataURL("image/jpeg");
    //The type and size of the image in this new IMG tag will be JPEG, and possibly much smaller in size
    document.getElementById('imgTwoForJPG').innerHTML = "<img src='" + canvasToDtaUrl + "'>";
};
};

</script>

Here is a jsFiddle:

jsFiddle Pick, display, get properties, and Re-size an image file

In jsFiddle, right clicking the top image, which is a canvas, won't give you the same save options as right clicking the bottom image in an IMG tag.

abs function is definitely not what you need as it is not calculating the distance. Try abs (-25+15) to see that it's not working. A distance between the numbers is 40 but the output will be 10. Because it's doing the math and then removing "minus" in front. I am using this custom function:

def distance(a, b):
    if (a < 0) and (b < 0) or (a > 0) and (b > 0):
        return abs( abs(a) - abs(b) )
    if (a < 0) and (b > 0) or (a > 0) and (b < 0):
        return abs( abs(a) + abs(b) )

print distance(-25, -15)
print distance(25, -15)
print distance(-25, 15)
print distance(25, 15)

If all your columns are numeric, you can use boolean indexing:

In [1]: import pandas as pd

In [2]: df = pd.DataFrame({'a': [0, -1, 2], 'b': [-3, 2, 1]})

In [3]: df
Out[3]: 
   a  b
0  0 -3
1 -1  2
2  2  1

In [4]: df[df < 0] = 0

In [5]: df
Out[5]: 
   a  b
0  0  0
1  0  2
2  2  1

For the more general case, this answer shows the private method _get_numeric_data:

In [1]: import pandas as pd

In [2]: df = pd.DataFrame({'a': [0, -1, 2], 'b': [-3, 2, 1],
                           'c': ['foo', 'goo', 'bar']})

In [3]: df
Out[3]: 
   a  b    c
0  0 -3  foo
1 -1  2  goo
2  2  1  bar

In [4]: num = df._get_numeric_data()

In [5]: num[num < 0] = 0

In [6]: df
Out[6]: 
   a  b    c
0  0  0  foo
1  0  2  goo
2  2  1  bar

With timedelta type, boolean indexing seems to work on separate columns, but not on the whole dataframe. So you can do:

In [1]: import pandas as pd

In [2]: df = pd.DataFrame({'a': pd.to_timedelta([0, -1, 2], 'd'),
   ...:                    'b': pd.to_timedelta([-3, 2, 1], 'd')})

In [3]: df
Out[3]: 
        a       b
0  0 days -3 days
1 -1 days  2 days
2  2 days  1 days

In [4]: for k, v in df.iteritems():
   ...:     v[v < 0] = 0
   ...:     

In [5]: df
Out[5]: 
       a      b
0 0 days 0 days
1 0 days 2 days
2 2 days 1 days

Update: comparison with a pd.Timedelta works on the whole DataFrame:

In [1]: import pandas as pd

In [2]: df = pd.DataFrame({'a': pd.to_timedelta([0, -1, 2], 'd'),
   ...:                    'b': pd.to_timedelta([-3, 2, 1], 'd')})

In [3]: df[df < pd.Timedelta(0)] = 0

In [4]: df
Out[4]: 
       a      b
0 0 days 0 days
1 0 days 2 days
2 2 days 1 days

Replace (.*")\d+(")

With $1x$2

Where x is your "value inside scopes".

In the function context "this" its not referring to the select element, but to the page itself

• Change var ID = $(this).attr("id"); to var ID = $(obj).attr("id");

If obj is already a jQuery Object, just remove the $() around it.

Rephrasing Yuri, Fábio, and Frosts answers for the Django noob (i.e. me) - almost certainly a simplification, but a good starting point?

• render_to_response() is the "original", but requires you putting context_instance=RequestContext(request) in nearly all the time, a PITA.

• direct_to_template() is designed to be used just in urls.py without a view defined in views.py but it can be used in views.py to avoid having to type RequestContext

• render() is a shortcut for render_to_response() that automatically supplies context_instance=Request.... Its available in the django development version (1.2.1) but many have created their own shortcuts such as this one, this one or the one that threw me initially, Nathans basic.tools.shortcuts.py

Some people like to use the Paint, CellPainting or CellFormatting events, but note that changing a style in these events causes recursive calls. If you use DataBindingComplete it will execute only once. The argument for CellFormatting is that it is called only on visible cells, so you don't have to format non-visible cells, but you format them multiple times.

Sometimes you need to include mysql db port id in the server like so.

$serverName = "127.0.0.1:3307";

In your apache config file (../bin/apachex.y.z/cong/httpd.conf)

Just change

< Directory "c:/wamp/www/" > ...
...

"Require local" ===> "Require all granted"
< /Directory >

This allows other pc's to access (to read) your web folder.

The first answer was great, but I had to add try/catch to avoid Java compiler errors.
Also, I had troubles to figure how to read the HttpResponse with Java libraries.

Here is the more complete code :

/*
 * Create the POST request
 */
HttpClient httpClient = new DefaultHttpClient();
HttpPost httpPost = new HttpPost("http://example.com/");
// Request parameters and other properties.
List<NameValuePair> params = new ArrayList<NameValuePair>();
params.add(new BasicNameValuePair("user", "Bob"));
try {
    httpPost.setEntity(new UrlEncodedFormEntity(params, "UTF-8"));
} catch (UnsupportedEncodingException e) {
    // writing error to Log
    e.printStackTrace();
}
/*
 * Execute the HTTP Request
 */
try {
    HttpResponse response = httpClient.execute(httpPost);
    HttpEntity respEntity = response.getEntity();

    if (respEntity != null) {
        // EntityUtils to get the response content
        String content =  EntityUtils.toString(respEntity);
    }
} catch (ClientProtocolException e) {
    // writing exception to log
    e.printStackTrace();
} catch (IOException e) {
    // writing exception to log
    e.printStackTrace();
}

I will never understand why you need up to 50 reputation to leave a comment but I just had to say that @Curt answer is exactly what I was looking and hopefully someone else.

In my example, I have an ActionFilterAttribute that I was using to update the values of a json patch document. I didn't what the T model was for the patch document to I had to serialize & deserialize it to a plain JsonPatchDocument, modify it, then because I had the type, serialize & deserialize it back to the type again.

Type originalType = //someType that gets passed in to my constructor.

var objectAsString = JsonConvert.SerializeObject(myObjectWithAGenericType);
var plainPatchDocument = JsonConvert.DeserializeObject<JsonPatchDocument>(objectAsString);

var plainPatchDocumentAsString= JsonConvert.SerializeObject(plainPatchDocument);
var modifiedObjectWithGenericType = JsonConvert.DeserializeObject(plainPatchDocumentAsString, originalType );

Would this be an efficient approach? Converting to a string and finding the length property?

int num = 123  
string strNum = to_string(num); // 123 becomes "123"
int length = strNum.length(); // length = 3
char array[3]; // or whatever you want to do with the length

textBox1.Focus()
textBox1.SelectionStart = textBox1.Text.Length;
textBox1.ScrollToCaret();

didn't work for me (Windows 8.1, whatever the reason).
And since I'm still on .NET 2.0, I can't use ScrollToEnd.

But this works:

public class Utils
{
    [System.Runtime.InteropServices.DllImport("user32.dll", CharSet = System.Runtime.InteropServices.CharSet.Auto)]
    private static extern int SendMessage(System.IntPtr hWnd, int wMsg, System.IntPtr wParam, System.IntPtr lParam);

    private const int WM_VSCROLL = 0x115;
    private const int SB_BOTTOM = 7;

    /// <summary>
    /// Scrolls the vertical scroll bar of a multi-line text box to the bottom.
    /// </summary>
    /// <param name="tb">The text box to scroll</param>
    public static void ScrollToBottom(System.Windows.Forms.TextBox tb)
    {
        if(System.Environment.OSVersion.Platform != System.PlatformID.Unix)
             SendMessage(tb.Handle, WM_VSCROLL, new System.IntPtr(SB_BOTTOM), System.IntPtr.Zero);
    }


}

VB.NET:

Public Class Utils
    <System.Runtime.InteropServices.DllImport("user32.dll", CharSet := System.Runtime.InteropServices.CharSet.Auto)> _
    Private Shared Function SendMessage(hWnd As System.IntPtr, wMsg As Integer, wParam As System.IntPtr, lParam As System.IntPtr) As Integer
    End Function

    Private Const WM_VSCROLL As Integer = &H115
    Private Const SB_BOTTOM As Integer = 7

    ''' <summary>
    ''' Scrolls the vertical scroll bar of a multi-line text box to the bottom.
    ''' </summary>
    ''' <param name="tb">The text box to scroll</param>
    Public Shared Sub ScrollToBottom(tb As System.Windows.Forms.TextBox)
        If System.Environment.OSVersion.Platform <> System.PlatformID.Unix Then
            SendMessage(tb.Handle, WM_VSCROLL, New System.IntPtr(SB_BOTTOM), System.IntPtr.Zero)
        End If
    End Sub


End Class

Seems like you want to move around. Try this:

ActiveSheet.UsedRange.select

results in....

If you want to move that selection 3 rows up then try this

ActiveSheet.UsedRange.offset(-3).select

does this...

Well if you know the order of your words.. you can use:

SELECT `name` FROM `table` WHERE `name` REGEXP 'Stylus.+2100'

Also you can use:

SELECT `name` FROM `table` WHERE `name` LIKE '%Stylus%' AND `name` LIKE '%2100%'

Just simply use:

var update_pizza = function () {
     $("#pizza_kind").prop("disabled", !$('#pizza').prop('checked'));
};

update_pizza();
$("#pizza").change(update_pizza);

DEMO ?

You cannot use AppSettings static object for this. Try this

string appPath = System.IO.Path.GetDirectoryName(Reflection.Assembly.GetExecutingAssembly().Location);          
string configFile = System.IO.Path.Combine(appPath, "App.config");
ExeConfigurationFileMap configFileMap = new ExeConfigurationFileMap();         
configFileMap.ExeConfigFilename = configFile;          
System.Configuration.Configuration config = ConfigurationManager.OpenMappedExeConfiguration(configFileMap, ConfigurationUserLevel.None);

config.AppSettings.Settings["YourThing"].Value = "New Value"; 
config.Save(); 

I've created a couple of map tutorials that will cover what you need

Animating the map describes howto create polylines based on a set of LatLngs. Using Google APIs on your map : Directions and Places describes howto use the Directions API and animate a marker along the path.

Take a look at these 2 tutorials and the Github project containing the sample app.

It contains some tips to make your code cleaner and more efficient:

• Using Google HTTP Library for more efficient API access and easy JSON handling.
• Using google-map-utils library for maps-related functions (like decoding the polylines)
• Animating markers

Just my 2 cents. I would create a solution which records exactly what changed, very similar to transient's solution.

My ChangesTable would simple be:

DateTime | WhoChanged | TableName | Action | ID |FieldName | OldValue

1) When an entire row is changed in the main table, lots of entries will go into this table, BUT that is very unlikely, so not a big problem (people are usually only changing one thing) 2) OldVaue (and NewValue if you want) have to be some sort of epic "anytype" since it could be any data, there might be a way to do this with RAW types or just using JSON strings to convert in and out.

Minimum data usage, stores everything you need and can be used for all tables at once. I'm researching this myself right now, but this might end up being the way I go.

For Create and Delete, just the row ID, no fields needed. On delete a flag on the main table (active?) would be good.

@Override
public boolean onCreateOptionsMenu(Menu menu) {
    // Inflate the menu; this adds items to the action bar if it is present.
    // getMenuInflater().inflate(R.menu.home, menu);
    return false;
}

All of the answers seem to be missing the fact that you may need to complete some portion of work in coordinated fashion during graceful shutdown (for example, in an enterprise application).

@PreDestroy allows you to execute shutdown code in the individual beans. Something more sophisticated would look like this:

@Component
public class ApplicationShutdown implements ApplicationListener<ContextClosedEvent> {
     @Autowired ... //various components and services

     @Override
     public void onApplicationEvent(ContextClosedEvent event) {
         service1.changeHeartBeatMessage(); // allows loadbalancers & clusters to prepare for the impending shutdown
         service2.deregisterQueueListeners();
         service3.finishProcessingTasksAtHand();
         service2.reportFailedTasks();
         service4.gracefullyShutdownNativeSystemProcessesThatMayHaveBeenLaunched(); 
         service1.eventLogGracefulShutdownComplete();
     }
}

Android does not run X Windows, nor does it have many of the standard GNU libraries. So, since most native linux applications require one or both of these, most will not run.

In addition, even Java programs can be limited, because the version of Java that Android applications are written in is a subset of the standard Java library.

As of Swift 2.2, there is a special syntax for compiler-time checked selectors. It uses the syntax: #selector(methodName).

Swift 3 and later:

var b = UIBarButtonItem(
    title: "Continue",
    style: .plain,
    target: self,
    action: #selector(sayHello(sender:))
)

func sayHello(sender: UIBarButtonItem) {
}

If you are unsure what the method name should look like, there is a special version of the copy command that is very helpful. Put your cursor somewhere in the base method name (e.g. sayHello) and press Shift+Control+Option+C. That puts the ‘Symbol Name’ on your keyboard to be pasted. If you also hold Command it will copy the ‘Qualified Symbol Name’ which will include the type as well.

Swift 2.3:

var b = UIBarButtonItem(
    title: "Continue",
    style: .Plain,
    target: self,
    action: #selector(sayHello(_:))
)

func sayHello(sender: UIBarButtonItem) {
}

This is because the first parameter name is not required in Swift 2.3 when making a method call.

You can learn more about the syntax on swift.org here: https://swift.org/blog/swift-2-2-new-features/#compile-time-checked-selectors

Easy peasy:

var date = DateTime.Parse("14/11/2011"); // may need some Culture help here
Console.Write(date.ToString("yyyy-MM-dd"));

Take a look at DateTime.ToString() method, Custom Date and Time Format Strings and Standard Date and Time Format Strings

string customFormattedDateTimeString = DateTime.Now.ToString("yyyy-MM-dd");

I used below function to compare two strings and It is working good.

function CompareUserId (first, second)
{

   var regex = new RegExp('^' + first+ '$', 'i');
   if (regex.test(second)) 
   {
        return true;
   }
   else 
   {
        return false;
   }
   return false;
}

You can prefix the argument in orderBy with a '-' to have descending order instead of ascending. I would write it like this:

<div class="recent" 
   ng-repeat="reader in book.reader | orderBy: '-created_at' | limitTo: 1">
</div>

This is also stated in the documentation for the filter orderBy.

Shortest way :

Math.min.apply(null,array); //this will return min value from array
Math.max.apply(null,array); //this will return max value from array

otherway of getting min & max value from array

 function maxVal(givenArray):Number
    {
    var max = givenArray[0];
    for (var ma:int = 0; ma<givenArray.length; ma++)
    {
    if (givenArray[ma] > max)
    {
    max = givenArray[ma];
    }
    }
    return max;
    }

    function minVal(givenArray):Number
    {
    var min = givenArray[0];
    for (var mi:int = 0; mi<givenArray.length; mi++)
    {
    if (givenArray[mi] < min)
    {
    min = givenArray[mi];
    }
    }
    return min;
    }

As you can see, the code in both of these functions is very similar. The function sets a variable - max (or min) and then runs through the array with a loop, checking each next element. If the next element is higher than the current, set it to max (or min). In the end, return the number.

Your javascript is executed before the HTML is generated, so it doesn't "see" the ungenerated INPUT elements. For jQuery, you would either stick the Javascript at the end of the HTML or wrap it like this:

<script type="text/javascript">   $(function() { //jQuery trick to say after all the HTML is parsed.     $("input[type=radio]").click(function() {       var total = 0;       $("input[type=radio]:checked").each(function() {         total += parseFloat($(this).val());       });        $("#totalSum").val(total);     });   }); </script> 

EDIT: This code works for me

<!DOCTYPE html> <html> <head> <meta charset="utf-8"> </head> <body>   <strong>Choose a base package:</strong>   <input id="item_0" type="radio" name="pkg" value="1942" />Base Package 1 - $1942   <input id="item_1" type="radio" name="pkg" value="2313" />Base Package 2 - $2313   <input id="item_2" type="radio" name="pkg" value="2829" />Base Package 3 - $2829   <strong>Choose an add on:</strong>   <input id="item_10" type="radio" name="ext" value="0" />No add-on - +$0   <input id="item_12" type="radio" name="ext" value="2146" />Add-on 1 - (+$2146)   <input id="item_13" type="radio" name="ext" value="2455" />Add-on 2 - (+$2455)   <input id="item_14" type="radio" name="ext" value="2764" />Add-on 3 - (+$2764)   <input id="item_15" type="radio" name="ext" value="3073" />Add-on 4 - (+$3073)   <input id="item_16" type="radio" name="ext" value="3382" />Add-on 5 - (+$3382)   <input id="item_17" type="radio" name="ext" value="3691" />Add-on 6 - (+$3691)   <strong>Your total is:</strong>   <input id="totalSum" type="text" name="totalSum" readonly="readonly" size="5" value="" />   <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script>   <script type="text/javascript">       $("input[type=radio]").click(function() {         var total = 0;         $("input[type=radio]:checked").each(function() {           total += parseFloat($(this).val());         });          $("#totalSum").val(total);       });     </script> </body> </html> 

private bool NullTest<T>(T[] list, string attribute)

    {
        bool status = false;
        if (list != null)
        {
            int flag = 0;
            var property = GetProperty(list.FirstOrDefault(), attribute);
            foreach (T obj in list)
            {
                if (property.GetValue(obj, null) == null)
                    flag++;
            }
            status = flag == 0 ? true : false;
        }
        return status;
    }


public PropertyInfo GetProperty<T>(T obj, string str)

    {
        Expression<Func<T, string, PropertyInfo>> GetProperty = (TypeObj, Column) => TypeObj.GetType().GetProperty(TypeObj
            .GetType().GetProperties().ToList()
            .Find(property => property.Name
            .ToLower() == Column
            .ToLower()).Name.ToString());
        return GetProperty.Compile()(obj, str);
    }

I've tried this in Python 3.6.9

Convert Binary to Decimal

>>> 0b101111
47

>>> int('101111',2)
47

Convert Decimal to binary

>>> bin(47)
'0b101111'

Place a 0 as the second parameter python assumes it as decimal.

>>> int('101111',0)
101111

For a production system, you can use this configuration :

--ACCESS DB
REVOKE CONNECT ON DATABASE nova FROM PUBLIC;
GRANT  CONNECT ON DATABASE nova  TO user;

--ACCESS SCHEMA
REVOKE ALL     ON SCHEMA public FROM PUBLIC;
GRANT  USAGE   ON SCHEMA public  TO user;

--ACCESS TABLES
REVOKE ALL ON ALL TABLES IN SCHEMA public FROM PUBLIC ;
GRANT SELECT                         ON ALL TABLES IN SCHEMA public TO read_only ;
GRANT SELECT, INSERT, UPDATE, DELETE ON ALL TABLES IN SCHEMA public TO read_write ;
GRANT ALL                            ON ALL TABLES IN SCHEMA public TO admin ;

for anyone still looking for this , i just installed ohmyz https://ohmyz.sh/#install and the branches it's showing

There are many ways to get a path. See CurrentDirrectory mentioned. Also, you can get the full file name of your application by using Assembly.GetExecutingAssembly().Location and then use Path class to get a directory name.

Encode each value in the list to a string:

[x.encode('UTF8') for x in EmployeeList]

You need to pick a valid encoding; don't use str() as that'll use the system default (for Python 2 that's ASCII) which will not encode all possible codepoints in a Unicode value.

UTF-8 is capable of encoding all of the Unicode standard, but any codepoint outside the ASCII range will lead to multiple bytes per character.

However, if all you want to do is test for a specific string, test for a unicode string and Python won't have to auto-encode all values when testing for that:

u'1001' in EmployeeList.values()

While the others answers are correct in so far as they show what a mere + usually does (namely, leave the number as it is, if it is one), they are incomplete in so far as they don't explain what happens.

To be exact, +x evaluates to x.__pos__() and ++x to x.__pos__().__pos__().

I could imagine a VERY weird class structure (Children, don't do this at home!) like this:

class ValueKeeper(object):
    def __init__(self, value): self.value = value
    def __str__(self): return str(self.value)

class A(ValueKeeper):
    def __pos__(self):
        print 'called A.__pos__'
        return B(self.value - 3)

class B(ValueKeeper):
    def __pos__(self):
        print 'called B.__pos__'
        return A(self.value + 19)

x = A(430)
print x, type(x)
print +x, type(+x)
print ++x, type(++x)
print +++x, type(+++x)

Yes - according to the pandas.read_csv documentation:

Note: A fast-path exists for iso8601-formatted dates.

So if your csv has a column named datetime and the dates looks like 2013-01-01T01:01 for example, running this will make pandas (I'm on v0.19.2) pick up the date and time automatically:

df = pd.read_csv('test.csv', parse_dates=['datetime'])

Note that you need to explicitly pass parse_dates, it doesn't work without.

Verify with:

df.dtypes

You should see the datatype of the column is datetime64[ns]

Hey It's very simple see this

@OLD_GUEST_NAME = d.GUEST_NAME from deleted d;

this variable will store your old deleted value and then you can insert it where you want.

for example-

Create trigger testupdate on test for update, delete
  as
declare @tableid varchar(50);
declare @testid varchar(50);
declare @newdata varchar(50);
declare @olddata varchar(50);


select @tableid = count(*)+1 from audit_test
select @testid=d.tableid from inserted d;
select @olddata = d.data from deleted d;
select @newdata = i.data from inserted i;

insert into audit_test (tableid, testid, olddata, newdata) values (@tableid, @testid, @olddata, @newdata)

go

What about this?

<style type="text/css">
div {border: 1px solid red; color: black; background-color: #9999DD;
width: 20em; height: 40em;}
</style>

<script type="text/javascript">
function sayLoc(e) {
e = e || window.event;
var tgt = e.target || e.srcElement;

// Get top lef co-ords of div
var divX = findPosX(tgt);
var divY = findPosY(tgt);

// Workout if page has been scrolled
var pXo = getPXoffset();
var pYo = getPYoffset();

// Subtract div co-ords from event co-ords
var clickX = e.clientX - divX + pXo;
var clickY = e.clientY - divY + pYo;

alert('Co-ords within div (x, y): '
+ clickX + ', ' + clickY);
}

function findPosX(obj) {
var curleft = 0;
if (obj.offsetParent) {
while (obj.offsetParent) {
curleft += obj.offsetLeft
obj = obj.offsetParent;
}
} else if (obj.x) {
curleft += obj.x;
}
return curleft;
}

function findPosY(obj) {
var curtop = 0;
if (obj.offsetParent) {
while (obj.offsetParent) {
curtop += obj.offsetTop
obj = obj.offsetParent;
}
} else if (obj.y) {
curtop += obj.y;
}
return curtop;
}

function getPXoffset(){
if (self.pageXOffset) { // all except Explorer
return self.pageXOffset;
} else if (document.documentElement
&& document.documentElement.scrollTop) {// Explorer 6 Strict
return document.documentElement.scrollLeft;
} else if (document.body) { // all other Explorers
return document.body.scrollLeft;
}
}

function getPYoffset(){
if (self.pageYOffset) { // all except Explorer
return self.pageYOffset;
} else if (document.documentElement
&& document.documentElement.scrollTop) {// Explorer 6 Strict
return document.documentElement.scrollTop;
} else if (document.body) { // all other Explorers
return document.body.scrollTop;
}
}
</script>

<div onclick="sayLoc(event);"></div>

(from http://bytes.com/topic/javascript/answers/151689-detect-click-inside-div-mozilla, using the Google.)

Alternative (Insert tooltip to user):

<style>
    a.tooltips {
        position: relative;
        display: inline;
    }
    a.tooltips span {
        position: absolute;
        width: 240px;
        color: #FFFFFF;
        background: #000000;
        height: 30px;
        line-height: 30px;
        text-align: center;
        visibility: hidden;
        border-radius: 6px;
    }
    a.tooltips span:after {
        content: '';
        position: absolute;
        top: 100%;
        left: 50%;
        margin-left: -8px;
        width: 0;
        height: 0;
        border-top: 8px solid #000000;
        border-right: 8px solid transparent;
        border-left: 8px solid transparent;
    }
    a:hover.tooltips span {
        visibility: visible;
        opacity: 0.8;
        bottom: 30px;
        left: 50%;
        margin-left: -76px;
        z-index: 999;
    }
</style>
<a class="tooltips" href="#">\\server\share\docs<span>Copy link and open in Explorer</span></a>

Transactional Annotations should be placed around all operations that are inseparable.

For example, your call is "change password". That consists of two operations

1. Change the password.
2. Audit the change.
3. Email the client that the password has changed.

So in the above, if the audit fails, then should the password change also fail? If so, then the transaction should be around 1 and 2 (so at the service layer). If the email fails (probably should have some kind of fail safe on this so it won't fail) then should it roll back the change password and the audit?

These are the kind of questions you need to be asking when deciding where to put the @Transactional.

\ does the job. @Guillaume's answer and @George's comment clearly answer this question. Here I explains why The backslash has to be the very last character before the end of line character. Consider this command:

   mysql -uroot \
   -hlocalhost      

If there is a space after \, the line continuation will not work. The reason is that \ removes the special meaning for the next character which is a space not the invisible line feed character. The line feed character is after the space not \ in this example.

Functions are first class objects that can be:

• Defined within your function
• Created just like any other variable or object at any point in your function
• Returned from your function (which may seem obvious after the two above, but still)

To build on the example given by Kenny:

   function a(x) {
      var w = function b(y) {
        return x + y;
      }
      return w;
   };

   var returnedFunction = a(3);
   alert(returnedFunction(2));

Would alert you with 5.

spring.data.mongodb.host and spring.data.mongodb.port are not supported if you’re using the Mongo 3.0 Java driver. In such cases, spring.data.mongodb.uri should be used to provide all of the configuration, like this:

spring.data.mongodb.uri=mongodb://user:[email protected]:12345

Turn the axes off with:

plt.axis('off')

And gridlines with:

plt.grid(b=None)

Ignoring the fact that base is a reserved word you cannot do inheritance of enum.

The best thing you could do is something like that:

public enum Baseenum
{
   x, y, z
}

public enum Consume
{
   x = Baseenum.x,
   y = Baseenum.y,
   z = Baseenum.z
}

public void Test()
{
   Baseenum a = Baseenum.x;
   Consume newA = (Consume) a;

   if ((Int32) a == (Int32) newA)
   {
   MessageBox.Show(newA.ToString());
   }
}

Since they're all the same base type (ie: int) you could assign the value from an instance of one type to the other which a cast. Not ideal but it work.

You can also use this, I hope you can serve them.

$(function(){_x000D_
  $('#elements input[type="checkbox"]').prop("checked", true).trigger("change");_x000D_
});

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/2.2.4/jquery.min.js"></script>_x000D_
_x000D_
<div id="elements">_x000D_
  <input type="checkbox" id="item-1" value="1"> Item 1 <br />_x000D_
  <input type="checkbox" id="item-2" value="2" disabled> Item 2 <br /> _x000D_
  <input type="checkbox" id="item-3" value="3" disabled> Item 3 <br />_x000D_
  <input type="checkbox" id="item-4" value="4" disabled> Item 4 <br />_x000D_
  <input type="checkbox" id="item-5" value="5"> Item 5_x000D_
</div>

Updating the path as listed above in ~/.bashrc makes other bash commands stop working altogether.

the easiest way I found is to use what eaykin did but link it your /bin.

sudo ln -s /android/platform-tools/adb /bin/adb

No restart is required just type following command :

adb devices

To make sure it's working.

Someone please shoot me down if I'm wrong here

I understand that the mkdir operation is atomic, so you could create a lock directory

#!/bin/sh
lockdir=/tmp/AXgqg0lsoeykp9L9NZjIuaqvu7ANILL4foeqzpJcTs3YkwtiJ0
mkdir $lockdir  || {
    echo "lock directory exists. exiting"
    exit 1
}
# take pains to remove lock directory when script terminates
trap "rmdir $lockdir" EXIT INT KILL TERM

# rest of script here

The problem with a LEFT JOIN is that if there are no appointments, it will still return one row with a null, which when aggregated by COUNT will become 1, and it will appear that the person has one appointment when actually they have none. I think this will give the correct results:

SELECT person.person_id,
(SELECT COUNT(*) FROM appointment WHERE person.person_id = appointment.person_id) AS 'Appointments'
FROM person;

$date = strtotime("2017-12-11");
$newDate = date("Y-m-d", strtotime("+1 month", $date));

If you want to increment by days you can also do it

$date = strtotime("2017-12-11");
$newDate = date("Y-m-d", strtotime("+5 day", $date));

Try creating a shell script like the one below:

#!/bin/bash

mysql --user=[username] --password=[password] --database=[db name] --execute="DELETE FROM tbl_message WHERE DATEDIFF( NOW( ) ,  timestamp ) >=7"

You can then add this to the cron

One other work-around is to use jupyter notebooks and use the markdown mode in cells to render equations.

Basic stuff seems to work perfectly, like centered equations

\begin{equation}
...
\end{equation}

or inline equations

$ \sum_{\forall i}{x_i^{2}} $

Although, one of the functions that I really wanted did not render at all in github was \mbox{}, which was a bummer. But, all in all this has been the most successful way of rendering equations on github.

The problem in your code is that you want to apply the operation on every row. The way you've written it though takes the whole 'bar' and 'foo' columns, converts them to strings and gives you back one big string. You can write it like:

df.apply(lambda x:'%s is %s' % (x['bar'],x['foo']),axis=1)

It's longer than the other answer but is more generic (can be used with values that are not strings).

As replacing "\n" with "" doesn't give you the result that you want, that means that what you should replace is actually not "\n", but some other character combination.

One possibility is that what you should replace is the "\r\n" character combination, which is the newline code in a Windows system. If you replace only the "\n" (line feed) character it will leave the "\r" (carriage return) character, which still may be interpreted as a line break, depending on how you display the string.

If the source of the string is system specific you should use that specific string, otherwise you should use Environment.NewLine to get the newline character combination for the current system.

string temp = mystring.Replace("\r\n", string.Empty);

or:

string temp = mystring.Replace(Environment.NewLine, string.Empty);

With Android Studio 2.1 you can enable "Dex In Process" for faster app builds.

You can get more info about it here: https://medium.com/google-developers/faster-android-studio-builds-with-dex-in-process-5988ed8aa37e#.vijksflyn

<embed src="your.pdf" type="application/pdf#view=FitH" width="actual-width.px" height="actual-height.px"></embed>

Check this link for all PDF Parameters: https://www.adobe.com/content/dam/acom/en/devnet/acrobat/pdfs/pdf_open_parameters.pdf#page=7

Chrome has its own PDF reader & all parameter don't work on chrome. Mozilla is worst for handling PDFs.

I faced the same issue. I think @Rishit answer helped me. This issue is related to 32 bit/ 64 bit version of driver. I was trying to read .xlsx files to SQL Server tables using SSIS

• My machine was pre-installed with Office 2016 64 bit on Win 10 machine along with MS Access
• I was able to read excel 97-2003 (.xls) files using ssis, but unable to connect .xlsx files
• My requirement was to read .xlsx files
• Installed AccessDatabaseEngine_X64 to read xlsx, that given me the following error:

• I uninstalled the AccessDatabaseEngine_X64 and installed AccessDatabaseEngine 32 bit, that resolved the issue

The instantclient works only by defining the folder in the windows PATH environment variable. But you can "install" manually to create some keys in the Windows registry. How?

1) Download instantclient (http://www.oracle.com/technetwork/topics/winsoft-085727.html)

2) Unzip the ZIP file (eg c:\oracle\instantclient).

3) Include the above path in the PATH.

4) Create the registry key:

• Windows 32bit: [HKEY_LOCAL_MACHINE\SOFTWARE\ORACLE]
• Windows 64bit: [HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\ORACLE]

5) In the above registry key, create a sub-key starts with "KEY_" followed by the name of the installation you want:

• Windows 32bit: [HKEY_LOCAL_MACHINE\SOFTWARE\ORACLE\KEY_INSTANTCLIENT]
• Windows 64bit: [HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\ORACLE\KEY_INSTANTCLIENT]

6) Now create at least three string values ??in the above key:

• NLS_LANG = BRAZILIAN PORTUGUESE_BRAZIL.WE8MSWIN1252 (complete list here: http://docs.oracle.com/cd/B19306_01/install.102/b14317/gblsupp.htm)
• ORACLE_HOME = c:\oracle\instantclient (the same folder in PATH)
• ORACLE_HOME_NAME = MY_INSTANTCLIENT (choose any name)

For those who use Quest SQL Navigator or Quest Toad for Oracle will see that it works. Displays the message "Home is valid.":

The registry keys are now displayed for selecting the oracle client:

Or with Prototype:

Event.observe(this, 'load', function() { new Ajax.Request(... ) );

Or better, define the function elsewhere rather than inline, then:

Event.observe(this, 'load', functionName );

You don't have to use jQuery or Prototype specifically, but I hope you're using some kind of library. Either library is going to handle the event handling in a more consistent manner than onload, and of course is going to make it much easier to process the Ajax call. If you must use the body onload attribute, then you should just be able to call the same function as referenced in these examples (onload="javascript:functionName();").

However, if your database update doesn't depend on the rendering on the page, why wait until it's fully loaded? You could just include a call to the Ajax-calling function at the end of the JavaScript on the page, which should give nearly the same effect.

PHP will work only on the .php file extension.

If you are on Apache you can also set, in your httpd.conf file, the extensions for PHP. You'll have to find the line:

AddType application/x-httpd-php .php .html
                                     ^^^^^

and add how many extensions, that should be read with the PHP interpreter, as you want.

Perhaps this complementary example of "match" would be helpful.

Having two datasets:

first_dataset <- data.frame(name = c("John", "Luke", "Simon", "Gregory", "Mary"),
                            role = c("Audit", "HR", "Accountant", "Mechanic", "Engineer"))

second_dataset <- data.frame(name = c("Mary", "Gregory", "Luke", "Simon"))

If the name column contains only unique across collection values (across whole collection) then you can access row in other dataset by value of index returned by match

name_mapping <- match(second_dataset$name, first_dataset$name)

match returns proper row indexes of names in first_dataset from given names from second: 5 4 2 1 example here - accesing roles from first dataset by row index (by given name value)

for(i in 1:length(name_mapping)) {
    role <- as.character(first_dataset$role[name_mapping[i]])   
    second_dataset$role[i] = role
}

===

second dataset with new column:
     name       role
1    Mary   Engineer
2 Gregory   Mechanic
3    Luke Supervisor
4   Simon Accountant

r

no need for the padding or the corners.

here's a sample:

<shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="oval" >
    <gradient android:startColor="#FFFF0000" android:endColor="#80FF00FF"
        android:angle="270"/>
</shape>

based on :

https://stackoverflow.com/a/10104037/878126

I agree with the answers, a simple way if you want to find an object by id and remove it is simply like below code.

   var obj = JSON.parse(data);
   var newObj = obj.filter(item=>item.Id!=88);
       

How to debug SQL queries when you stuck

Print you query and run it directly in mysql or phpMyAdmin

$date = "2012-08-06";
$query= "INSERT INTO data_table (title, date_of_event) 
             VALUES('". $_POST['post_title'] ."',
                    '". $date ."')";
echo $query;
mysql_query($query) or die(mysql_error()); 

that way you can make sure that the problem is not in your PHP-script, but in your SQL-query

How to submit questions on SQ-queries

Make sure that you provided enough closure

• Table schema
• Query
• Error message is any

It's somewhat weird, but it seems that Webkit, at least in newest stable version of Chrome, supports Microsoft's zoom property. The good news is that its behaviour is closer to what you want.

Unfortunately DOM clientWidth and similar properties still return the original values as if the image was not resized.

// hack: wait a moment for img to load_x000D_
setTimeout(function() {_x000D_
   var img = document.getElementsByTagName("img")[0];_x000D_
   document.getElementById("c").innerHTML = "clientWidth, clientHeight = " + img.clientWidth + ", " +_x000D_
      img.clientHeight;_x000D_
}, 1000);

img {_x000D_
  zoom: 50%;_x000D_
}_x000D_
/* -- not important below -- */_x000D_
#t {_x000D_
  width: 400px;_x000D_
  height: 300px;_x000D_
  background-color: #F88;_x000D_
}_x000D_
#s {_x000D_
  width: 200px;_x000D_
  height: 150px;_x000D_
  background-color: #8F8;_x000D_
}

<img 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ci8a21mqeiXwyVrZkdb7any6Dfgn5X1Fj2cd74uHjVZag0Hm/vBym83pRm7lfXsP7AENt2kzd8lPHtMznyWyWS9e/e23E5XV1eXlJQwXxMSErosefPq5bM/lQWMizDv4dy4cSMvL4/ZZKR1nF32znMYx2r3H1i6Vdhck7aAYLGCu2+99VZwcLDldjonJ4ctWJmZmYaUPHu0VGK4YBl2OFVVVczZrT5aaiWPXGtYTZPDOFa7/8AigmXLTZolWGbaI+tv6xRFGX6wlIl/YMst2tb3H9hBk7ajPCy1hY0PvQIPm8ZZX5OwI8GiKDUEC4IFIFg2Y/2WxobzleUXqsrpNWI3jyEhYUNDzJMmRxF6z67ygkJZr7hef147W29IcJiXr59Xt7NbLbr/+jhfefJCZTlzUH19hw4NHsNxLMoLivNVJ6/XnzewPAccJu3rO1Ts5iF29zD5zLbdvVNztJRpJ/RpCpgwSejgaF6bqxobzleWaxyF2M2jr+/QoSFhYndPq20SD6pJ21EM68jOHd+se097vcjRKXzmbMn4yMdejOteh/++03v94oXTh/fXHpOfPry/8epl7k2dXd0DJkwaPi5y3MzZfQcPeVDNM/+DlbXH5LU/yXX+LhkXKRkfOXJylPLi+dpj8uO7v9aZf+jeb8Ck2HkjJ0eN+N8DpuPffVP7k/yn3d/otIN2eX1cv3jhp91f//qTvOZo6e3mRkOOid7n8JmzhwSFdlmYqb9i73c6C4Q++dTwcZFDg8PoM8ttqNi3P9D3R7RBTh/a/9+aMxz703fwEMn4ybTNu98qHo4mTX5+xTx5WGlzos8cvvc8rrKy0tJPCePj49muk4EluQmLeWbu++tp4+5KT921frVRezVj8XK6jd5ubvw+86P9n35yR9Vi7KE5il2iXlvE0dYNYX5/oSHGIQiiqqoqJCSE/jxs7IRzJ46a8TTFLPzLxOde+Dbjg/Kibw0sL3tPd3b1mcMlP3z6iYH16OSRiY9GvbYo/Knn9BUo3LD2P5kfmXDK9Grl+Elv7zqgsfI/WevlBV9w65TOe6r0lYXBUdNGdCPJwKabNAOPIiizLA9Bn7G86Nt3pKFl33xFEdRwgxMgGIaNnUgR1A+fffLO1NDvP04zrenfUbV8/3FaSlTYr8fLevhcmFetCIIo2rLh3SfHGa4yRVs2rH126n9/rdY4nNz3lqXNie6OWhEEcfbIoawFsu2rkrXN9d9fqz+cFbVz3btmVCuCIGqPlRasXcn8y+nD+1OiwvLXvGWsWhEE0Xrnj6ItG9LmRO/KSDW5Vdh0k2YWs8Wwho+PZDysDz/8kDtxlDs5SKFQZGRkcBSorq428aYnkTzxxBOhofd6B01NTcePH2eyTgiCuKtq+deKRGc39/OVJ42tvK782JnSA/u2bdL+SSqVBgYG+vn5ubm5afxUUVGhkQdLEMRvZ35eP3fGy+syJz73gjVLvEwmCw8PZw6qvr5eLpdrHIuGHSIjI319ffWVrz1W+q9li/6av0cgcqDXbJo/61Txd0aZtL6+vqGhgZ0AybB32yblRcWSz3cya678evZfyxbVHtMcIp6QkMC0E/o0ZWVlGa9Zcvr6KsxYs+uj1foapMZRNDU1KRSKffv21dbWanpJH62+UFW+aGsuYx8jdkZPB9a2mjSZc7nVLG23urRk/ZwYQ7vGBvdTulkb0yWUyWTz58+PjtYxNEGpVGZmZqampjJrPAcM8vaTVJd23cNl7+ojkY+dlf+ocVKXL18eGhrq5eXVRfBVpSotLU1LS2OfZgexy+r95X2M7//HDRB1x9T6NmEXTk9Pnzdvns7jqqqq+vDDDzXEIiUlZf78+X5+foaUj5jzUtyGHIIgPp4/69T94aSUlJTIyMhJkyaJxWJDTFFWVnb06NHk5GT2yicWLJG9v57+vO5PUrZa0adMZ/30OVqyZAmtIxytgiTJzhZ4uTXv3b9qXPMSiWT58uVTp07VaRB2y6yoqPj88881jCkZPyl5xx5jNWv9nBjbbdLsLiFhluWRSdInF/7FOh2B7Ozs3NxcnWpFEISXl9fq1auLioqYNQ2XL5nS6WCdWolEkp+fv3///ujo6C5PLUEQYrE4Ojp6//792dnZbHcvd1WSCefCokgkkrq6uqSkJH3HFRwcnJubm56ezpSXy+WrV6/Wd3FqlCcIoiz/i4Nf5ezesJatVjKZrLKycvXq1dHR0QaqFUEQERERSUlJdXV1MpmMWblv26YT3+2kCGLH+8vZapWenl5YWKivfvoclZeXs6vqksKMNRpqlZ2dXV5eHhcXx61WdMuMjo7Ozc2trKyUSqVsP/Sfr8/tgVZhPU2aWcwmWBRBxL6b9sTCvwgdnaxKrYqKiuLi4rosFh0dnZ+fz+opVHfnkt6zZ09sbKwJ28bFxbGl89Te7/Z8st56BEsmk5WXl3d5pREEkZSUJJPJaFNEREQYUp497PHn/Xv2ZK1n/292drbJT3L8/Pyys7PZQrP/s0/OlJbs3bKBrVZJSUldSqFYLNaoiptvWXFuiURSWVkZFxdnuOAyml5YWMi2z6m93323YW2PtYoH3qSZhdxqpi4hm/MVx1tuXG+7e6ejra2jo4Ne+eni+Sb0U4aGjZv66iKNAp4DB6+fJTWkNpVKZVTjiIqK0g7BGOg/M8jlckMuUQ5WrVrFdFEHBIx478ApozZ/3TJdQoVCQV/8Bu6GseWVSqW3t7fOcElhYaGxF7nO/fH392e+Rj7/inzHvxhBzM3NNbwqlUp17do1fYfG7hJqXPOGW0MniYmJ7FDaO8XHBhuQrkGTMSfmrJFdQutp0gwWmdPdN2QsQRCUWk1QFPW/dFm2YBmxf0LRmJmzDWkQ+u6HRv3dG2+8wREzNtAH4Ti1SqXy6tWrBEH4+/tz7NuKFSt27NhBx0ou15w591OZf3gE8aAx9mIztryXl1dKSgo7mEizfPny7qsVvT/p6elMPItRK4Ig3nrrLaOqEovFxh5dQUFBN9WKIIh169ax49lHv8n1GRVq6fNuVU3anF3CTueTJAmSJPl8UiDgCYR8oYgvFJloLZKkN2cvPIHQQudmypQp3azh8ccf13uLy8jw9vYOCQkJCQlxcXHJycnhuB6WL1/OjllYTwzLogQFBWk7JvqCj4xHkJOTk5iYmJiYuGrVquLiYo7CEyZM0F6ZkJBg0bRBOm7F8RcqlaqgoIA+hIyMjKqqKo6GwRb0g//ecv3iBUu3Cmto0sxiA0NzenIPDYkmchMeHq7vutJ4VkU/voyLi1MoFC0tLQRB1NTUNDc3EwRRX1//66+/MiX9x0XayQiqgIAAjTXPP/88R3mdicFFRUX6NE6npzBz5swu+6oHDx5sbm4ODAw0oWckkUg4Yl4KhWLatGkaGQzZ2dn6Aq8REREymYx+bth254/qw/snvRhn0ZNiVU3aLgQrJydn+/btJSUlUqk0NTWVu80lJCSYkHHTJf7+/lKpVKO/GR8f32UivtDBceiYCVZ1mnJyctLS0mpraxMSEtatW9dlf62goGDz5s0lJSUJCQlJSUkcPSNtN0Qul2dkZLi5ubm6utJyxpRRKBQ6rSeXyzmcMuZqZ2DnW2lTXFwcExPD3jw7O9uoLurChQv1lVepVAsWLNDOt4qPjw8PD9fnlM2fP585hHM/ySMNEyzqoWjSNvBewm7uIfsmXFJSUlJSYtGRQ/SNRadLXFhYWFlZWV1dXVFRoTOtUXcvZs5LlJqieFakVow9s7Kybty4wR2uLigomDNnDlN+37595eXlhl/w9CnTqTtKpVKnO8MkpupEO6WZw61WKpVstSIIIi8vr3fv3tyZz4b0Q2lKS0v1xUx/+OEHfa2UrbBnD++39CVsVU3aIjEs83ahu1ObSqXS1vvjx49b7uwePXqUoxsfERERFxeXmZmZm5tLUVRLS0tlZWV+fn56erpEItHeZPzsl55+6wPrSWtQKpUa9szLy6OfBupj8+bN7K+1tbWlpaXd35O8vDz2pS6VStPT0+VyeU1NjSFZLGyHmuPXgwcPaq/MysriPmRD+qE0p0+f1vfT999/zxG4YNKymq5duV6vsGirsIYmbTMxrG7auq6uTntlRUWF5XZ4y5YtHF0A7fMdHBxM30iTkpKqqqq2bt3K7pAe+/qLgaNCHnst0UpOk07T6bsD0wKn7UFcumRoXq6bd/+ma1f0BYboUVaBgYEhISFmeYyozc8//8x8HhI67kLFT/TnkydPGvjIj53wqc2zzz7LEdLmIDAwkDHs9XpFb18/O2nSD7mHZVFnSie1tbXr1q0zbdvg4ODMzEy5XM6+NZVs3XD7VpOVeFiGaw0N/cDbZDTUSiKR0G7UtWvXampqMjMz4+LiIiIiLKRWBEE0NDQwn/3GRTKf6UCygcrC8aufn1+wfjg2ZPcKL1aVW7RhWEOT7sx0V1NEzywmq5UZa+sZUlNTuQdvd9mD2LNnD3OCGy9f+uGT9B4wtTUjlUqLiopqamqSkpIiIiK6/zDXBETOYus0jpqiLN0qHniTZpaH3MPqSfxZL2pNTk6eO3duWVmZaVX5+fmtWbOG+frLvu/sJA9LJ8wQP0NClmVlZQUFBYZXfuPGDY5fPT075/xU3Wyw0rAJpbZQq7CeJm2RsYR2LlgEQfSTjGBHhSMjIwMCAjIyMgoKCowK0xIEERsby9yRrtaeaVJesU/BkkqlXQZQFAoFnXjp4uISGRmpM1KuD+4HW+xE1sOff8J81peapI3JUyEZcYGoKcs1DCtp0qyg+8Oe1tBj1B09rLP/z06uS0hI8PPz8/HxCQgI6DK14vnnn2fSmuuOyUc/NZuwP1JTUznUqqysLCUlpZujqRQKhb4I+pQpUyQSiUaelEwmMzwthnvf2CPsTMZ3zASDrhHqYWjSD/lTQmtDIyU1JSVlxYoV+i5Idj7RjXqFfb7ShiMnoKysLDIyUns9dyKoNhyP/Ly8vDZt2sTMgUV7fB98YNxsv1VVVfquZO2hSMbi5R/gO2YiZTdNGkNzzAz9uF3jyqEfFWlfXfTdZvXqrmfats93cHEnSW3fvl3nesP7azQ7d+7kmDglOjr68OHD9NCcQYMGGRJK0+D48eP6BItj7Co9pWeXgy6mrVhD8HiU3TRpgfVPx25DE8ZzjGIjCII9VQCDu7u7vvL19fWdxQYNpgi8NvA+dLpFJkyblZeXx/HqdtrPMm0qKJq0tDSZTKbT6fDy8ioqKtJIpidYA4CYlHpmdN6VK1cuXbrEpO9erq4KfGKGIW3DtPZjbU2aR5nrLRRdLabLlRlrszByOde02QsXLmTPq0l7EAsXLtRZWKVS7dixQyNOYVlTWx/cj/DmzZvHTsuUSqVyudyoNHeGDz/80HJHUVtbyxHaj46OrqysTElJYUtVbm6uhsAxGVsa8sHjCwiSZ7lWYSVNmlms/SmhbT0IS01N5Xh0IhaLk5KS6LELlZWV165dy8zM1Nfbz8vLY+ImfYYMc+nbzw6fEubl5alUKg7HZ//+/XV1dbQx9+/fb/Ikc3l5eUblGRn7gCw+Pp5jk+Dg4NWrV1MURVFUbm4ut+YWFxezR0cNGT+JIEnLtQoradJIa7AUK1eu5C7AjF3gyH5UKBRpaWnM11HTZ9FxCjtMa+hyPC3tepiWShr52mLmc3JysoGalZGRceDAAWP/a8GCBRzia7hQLlmypFOyhwf6hI23dMOwhiYNwbLgBdadnGCCIJRK5cqVK5l7kYfPkIj4JQSPb5+ClZaWZqw7U1xczDGNH/sZ4h/N971mPTk5edWqVTongWBOzapVq7SjNoZQUlISHx/fHc2qqqpiz5wldHSKfmttD7QKa2jSLMGy8hgWYXthmuTk5MTERI52z32xTZ48me1WhDwjEzg4GhineMhiWHQAaNq0aQZqlkqlysnJiYmJ4ZgFYerUqczn8q+/1O4BeXt7Z2RklJWVMeKiVCrLysro2TWNTZuKYDlxeXl5YWFhJiSL08cVEhLCzgib+Gqi75iJhl/CNt2kbSaGZUMe1uCwzmmPsrKytNs99y2ooKAgKioqJiaG3ShHzXhuwiuL+A6OBsYpHsqhObW1tf7+/jk5Ody+T05OTlhYGB3fSU5O1lfYz8+PO1uC3jwyMtLFxYUkSZIkvb29IyMjTXOspq9a/8gTT7GPJTIycu7cucXFxYZc//QE0MxxMYycPmvCy28KnJwN71jZdJPufGtO6oW7PdPssmOl9ceNfvfso28ue2LFGnPVZlEefXNZ/ckj9T/pmOxJ32tyOd7xSxCE/+SoZ9Z+4tLHS+DoZPh7N6zTOCYwaPS4S6d+0lgpk8mGDx/Ozj/U+Z5ho6Bf8kzPnGPgZLMcUxgT978khb6+vlrw3Nl9et9frZ3pyr0zYbGvTP3LO2LPPkY1jAMb1pRsSLXRJs3Qc4mjg8dGmHAV+YzVncVrbG19/CSDRoef2vmV5Q7QZ+zEx5amFL616NQ3X2rHL4y6ogQODmNffH3i/AQnz948kQN9L7K0qY2ij5/kd0WtUZt4SUYqa08bIVih43zCxh/59GONeIrZjyU0NJRRHzrviX4TTEtLS3V1tc4JfzlyU9l+k9vAwfSJe2HbN6Wb0/f+/e1uNgy3AT6Rry8NjH7G2d2TcVIMbRXhkbbbpBn4j/05pWcEyy9Ser7sx6bLFw3fZMKri8c8/5rOd+QYVZvnYL8n3/77uJfeuHjiiIGb9BsRMnrWvIsnjxi1qwIHp8Ann+nlPeDuraam/140wUqOru6PPP5U1LLUkTGznNw9BQ5OJI9HEGQPmJrH5zdduWS4PXsPHVZ/7LDh9U98bfGVM5Wq3w2KgwwYFfan9OxHnpjpHTDy97paA7ciCMK138C7LbeMMtfTTz8dFhbGXiMWi729vX18fMLCwlxdXffu3avhXLBfAKNBZWXlp59+Sn8eMn5S0MznmbtIQNQMkZP4anWlur3d2Ibh2m9g0Mw5M97fMDAk3MnNgy9yIHnGzTHs4TOU5PEuHD1oi026U7Cm/CWlx8JYo2Nf6Wi9SxBk0+XfOPbJ+5FRw6dET4j/85i5cQJHJ31PEwypzfuRoOFTpz3z0ba+wwOFTuLQ5+d3tN4lCIJ7E4l0+tMfbvaf8uSQCVNc+w2gCKpZz8vrde5q/6Cw0bNflkinuw/04QmFt29c72jt4m214j5ePmETRs6YPTXpvREznvPw9XNwdRM4OBI8nmldfRNMPeaFeHV7m+H29IuM8h03uZd3fwPt4zl0WPjLb3Zt/8CggKgZz6zfJnQSk3xBn+GBY+e93surv0Mv14YL59Qdui91J3ePwWMjR86Y/eQ7ae4DfcWevVtbWu7cauL4iyunT92LAYeEsCPxGgQHBzc1NTEzQUql0m3btnl4eOgrX1BQwAjc6Ode9gmPZE6Ki3d//ylPBs18vo9/gINLL1XD9bbbXQSD+g4P9J/8+Nh5rz+2dJX/o0869+4jcunFEwhNywnwHf+ob/gkw0+ZVTXpezGsVed7KIZ1XxxdrVa3t7W33lW3tVGUWkcMgOTxRSK+UMQXCImu+rpctZEkjy/gC0V8kYjH49+riqLU6g51W1t7612qo0NjE5LkkXy+QOTAEwrvbUJRHe1tHW2tHa2tFKW+74kL967Sf9TefkNR23DhXEP9+T8ab1Bq9b1/pAiHXq6u/Qd5BwaLPfvQOykQOfBFIpLHN/b+aUZTm2BP4+xDUWp1R0dra0dbq7qjXeMJFknyeEKhQOTAEwjvMwJFqdUdl8qPNZyvvXFBQXW0U5Saoqi+w0e4D/L1GOzHF4oEDg4CB0d63yiKUtN71dZGqTs0/qLp8m9bnxrPaND+/fu7DCFfvXrVxcWFe2ZklUrl4uLCfH0ld5/vhEd1nRWKoih1R/sNRc0Nxbkrv1SoO9rvNQyKIAiir2QEyeMNGj1OJHbhixz4QqGmzbvbLGy1SZMpigcgWPYIRdHnlVKrKbWaGfhJkiTJ45E8HknySB7PPM3xoTYjQRBqdQfV0cGYkTYgj74kDDbgholDbv1vCubuv4qdJiMjg3mY2D8o7OXte0XiXoY0DLW6g24YnVcmj0fSbyMmeSRJWmPDeBBNWoABtT0ESRJ8PknwOc4ezoVBZiQIki8g+YJuGjDoT/PKNn9Ef05JSSksLOzm3PDFxcXs1IchEVJSIKQMaxg8Pp+wuYbxIJo0f3JPBd0BsCqc3DwqcrPpz+fPn6ffwCwSiUxWK/akC94jQmJSPxY6i83VtQcQLGDXuHj15/EF9Ud+pL/+8ssvCoVCIpF4e3sbVY9SqdyyZcvLL7/c2W1xcJy29hPPIcP4Igf08c3s1b1VhxgWsF++Xvjcrz/cl9Ipk8kef/zx8PBwf39/jk6iQqH49ddf5XK5xmAdgchhYsLfxsxb6NDLjaer3wq6JVh/g2AB++YbLc3S0C+Nt9vrS+Om1WrCG8tGz13g5O7BF4rgXplfsFZAsIDdU7J2+fGcjd2spM/wwEl/Thk4JtLRzV2AzqCFBGs5BAsAgqiXl9Qd2HNq+9b2u3eM3bZ/SPjgCY8Gxb7q5OEpcnaBb2VBwVp2DoIFAEEQ9xKLzpf+cOmnQ5dOlF2v+blV/ygfD19/T/8A71FhA0aP8/QLEDqLhU5ic+Z2Ap2C9ddzd2AFAO6TLYqi1B0dbW3q9rarP5ffaWygM9HptNW+AUGO7h48voAUCPgCAU8g4AmEPL4Aeb89IVjJECwAOPWLIAhKraYIitYyOu/cehPQH2qQ6Q4A9z2dJAiC4N/L52brE66dByFYsDoAAB4WAABAsKyLu82Nl0+W/fe4XHm6XPtXr5FhA8MjB4yJcHB1N7DCjrt3/ntCrvyl/E5TI7tOR1cPr1Ghbj5DB4RPEvftZ/IOW7p+S3P55JHLJ0o7Wu/+98R9s6q6+QylF69RYW6D/azWPrZu/wfcQV9ci6C76Vz4cc+Bdxe3dDVRp0v/QVPf/3jIY9M4yjRfunBuzzeXT5adL/m+y//1HD5iqHTGqOfjXAcNMXBXLV2/pTmd/+nlE/JzRTvb7/zRZWGxV/9h054bMCZiWMwsK7GPrdvfWgQrEYJlKjXf5v747uK22y2GFHbpP2ju7hM6/ay7zY3l29KrvvingVUxCJ1dgl96M2xBMrf7Zun6LU35tvSzu75q+PWMCdsOHDc5aN6b3LIF+9uSYCVAsEziZt3ZgucmGdUEZ2zZOWTqdI2VdUU7Sz9c3mLYZOr6pPCx9z/21eO+Wbp+Sxv5x3cXX/7pcDfrCZm/eNLbHz0Q+9i0/a1RsBZBsEwIQ7TeLZw//QorhpKfnx8QEKDDC6upmTNnDv05dEHyxGUfsH+Vr11W+fnH2lvRL55ydXVl10m/xKW+vn7Hjh0ag2+Fzi5T3v9Y8sxcjXosXb9Fqf0296AuB5aeTYHQenXNlStXLl26VF9fL5fLtV/oMiTqqen//LqH7WPT9rdSwXqzBoJlNHvenH2hpHN8f1FRUXR0tM6SVVVVISEh9OdBE6fO/HwPuzVX/eu+1ky/jmXSpEldTn1ZXFyclpbGviyFzi6Pvv+x5Om5PVa/RblacfS7155iq5VEIlm+fPnMmTO9vLy63FyhUOzatUvj1acBf5on/Xs27G/bgvUGBMtIDvwtvub/Ol/Tlp6enpSUpK8wW7AGTnhs5r+K7l1RxTv3LnmBXTI/Pz82NtaoPSkoKGDcN7pNz9l9otegIT1Qv6Ud2J2zJ92o+Zlt5IULFxo7hbFCoVi5ciX7VYaTVm0Y9eIbsL/t0nOvqn84FvnaZWy1SkhI4FArDSiKYuo5mfUh23eoq6sztjUTBBEbG1tUVMR8bbvdIv9wec/Ub9Hl0HuL2WpVVFSUlJRkwoTrfn5+2dnZMpmMWXM6dyvsb9MLBMuIpbYw92eWky+TydatW2d4+2ME61R2OvuC3LNnD/fLoziIjo5mt+kLPxRW539q6fotauRLRw7UfPNv5h+zs7P1dbcNQSwWb9y4USKR3Ivi/3qmB+xj0/a38oUflvgOenmGcK3iaMnSl9RtrcxtMz8/n+OFmve2unZt8+bN9OdeAwZL/vQyQRCHVyXeabjOXJBRUVHd2bFhw4ap1epDhw7RX1tbmq9VHLNo/fRRWIjTX21WnjrGOLDvvNPd9ikWi52dnQsLC+mvIjf33w7thf1tNYYVfxYxrK5prDtbkvRSA+u2WVdXZ8htkx3D6h8+ecYX+87mf1q6ahGjeuXl5dydnaqqKoIggoODOcoolUqdr06wUP0hry+7dlJ+9WQZxyb9xkR4j4kMT+qc77y1ubEyO517w16Dhvzx+zUmNbSyspJjx4qLi+VyeUNDg5+f37x58ziC8ez9d/bqf1t5xabt/+zOI31GhCKGhUXvUvre4ob7oyomOPl0VVfLO5Mhli9fztGai4uLAwICQkJCQkJCoqKiFAqFvpJeXl7p6ena6y1Uf+XWj7jViiCIqyfLKrd+tPOZ8KsVRymCuPjjnm+eGdvlhrcuXWDUSiaTcVzGOTk5MTExqampWVlZycnJkydP5t5/qVRKf2bUynbtf75oJ2JYWPQu+xbNvnr8sFmiKhRBXC7rfFY9c+ZMjptqTEwMk49TUlIybdo0lUqlr/yECRO0V1q6/i5pqPm57L3Fd5sb5e8vVhmZPDlr1iyOnY+Pj2evqa2t3bVrF0dtgYGBPW8fC9V/9aTcjgWLIrBwLMfWLrvISrlKT0+Pi4sz2aG9ea6aucNLpVKOXsyXX36psaa2tpb9hF4D7TetW7p+wzXr6Nq/qoxP9d65c2dGRkZBQUFVVZXGlbx7927t8hweik5s1/7XTpa137ljn9cjPCyu5cyXn5z+932PBRcuXKizPRl4tVxlJcfPmDGDo+T33+sYIrt9+3aOTRISEthfLVq/XC6nOMnO7kzRPLer8+LMz8/n2OratWvME728vLzk5OQ5c+aEhIS4uLgEBAQkJibm5OQUFxf/8MMPOpMYOHZ+3759Gmts2v5262QJKMybqAdFYe6xD5LYN8zs7GydIYmCgoLm5uYuo1oUQfzx+1Xmq5ubm76SKpWKyXIWOItJktemukV3HFQqlb6wSGjofYFYi9b/6quvHj58mMODiIuL2759u8YQmYSEBO50pD//+c/6XvlXW1ur7yc6vD1v3jyOwLb2tjZt/99/Odk/QoqgO5Z7S2Pd2SPvL2FfD9u2bdPZkoqLi9npyNxcY3lYGkPh2NTV1TGf3YeN8Bw5WudPGgwaNIj91aL119bWrl69mvtgly9frqEpq1at4iifk5PD0SfiQCaT7dmzh0M9t27dqr3Spu1/67fz9uphwcHSoqP17pF3E9tZA9k+++wznQ6UQqFYsmSJUUF3o28pAgFJ8g0p2b9/f6IH68/KygoNDeWI6EVHRyckJGRlZdFf16xZw6EpVVVV7Di6b/SsR15KuFld2Xzh3I0z5Y21p2kfhA094Lxfv37cowuLi4uZfSAeFvvf+u28fV658LB0DQ1ZOk95stMVKioq0hlyViqV06ZN4+in6IhAs2aY9Pf311fs+PHjzOc+oyf0HhXGfK2pqdG3lYuLC/urpesnCCI+Pp47ePf6668b0hlUqVRLly7t/COfoWPfWu85aszwuQvH/G3d45/uee6g4tl9Zx/dsN1dMoopNmbMmODg4C7VKiYmhvkqFLs8HPa/23QTaQ1YCIogyt5ecOnAfY8FdSYxqFQqjoCLPveq9VYT89XAwXF8Ryeha2c+fXNzs76SGj6gpeunWbBgAcfD+ODg4JSUlC47g+vWrWNHu0bGJfOcnEm+gODxCL6A5+DId3YRD/T1eeLZxtpfDIyyq1SqVatWsdWKIIg2VcvDYf+bZyvtNugOOin/+zLFLoPGNq9YscK0gIvRWPrNd92rv6SkZMuWLRwjwBMTE4OCgjj8oOLi4tTUzoR4/+fmD4yayXdyJng8qhu7KhaLY2Ji3N3dNSaZeWjsb59XLvKwOpfa7ZvP/juTHcrVN7Y5IyOjO2ERY1s0Zd31Jycnl5XpzV/38vLi6AwqlUp2ELBP8LiRC/8mcO5F8gQUQWqfI6OIiIhISkqqq6tj0twfJvsjD8uul5ZLF05lpLAfaW3cuFFfEoNpN23lcZOm+uVZ+A5vav1e4ZOZz6+++qpSqTShEna3mu/gOCrxHZG7JylyoEhS+xzd+q0zXma4Bvn5+RUWFpquWdZqf8Sw7Ho5V5DDPBaUSCT6HpMblcRgFigLO/8m1z96eRrz2ZAsB2008hiGv/im+4gwnqMT3RnUJVjnmcL0UBulUllVVUWPH+buHm7btu0hsz8Ey66X6+WdnZpNmzaZJYnh4cZ9xOjQtztH5GZlZeXk5Bi+uUYeg3fE48PnJQjELgSPr+8ciX2GMuX37dsXFRXl7e1NDx4mSZL73/38/HSOT7ZdkIdl1/zOEiyOsc0FBQU61/frp/vNl/7+/pWVlcxXZqoZ+orVNxuBq6sr87m1qUno4mqgBGh8tVz9nsHhFEUMe2HRzdMVF76995giPj5+6tSphsxjoZHH4DzAN2zlPwS93EmBiCJIgiJam27ePFN+83RFa/PNm2cq2ppv3jxzil2DduI7LX8ceWEa45MfAvvbIXhKaAQmTCkjFou5pzrSCftlKjfPniJ5nYmFHPnTPVk/T+hAt5zW5kZ24E87V0ufWdg9bnXrHVIk4jk4UiRZl7u5bse25nOmvIUwPj6e4y0Vw4YNe/jsb2+gS2jxIIU+DEwRbGMpAjdXrlzpsfqdB/pSBFHzacZlVs4ady67Bh980PnGszu/X/tl0/sEyTuXu7nig6WGq5Vjby/PoHCXwZ0pmgcPHtT7lOD+fXsI7I88LNBz/Pbbb4a4co1nq/gOTuw+pr6tLl261GP1iwf63jxz6ueMlcyaLgc2a+9Dfn4+8wTj4u7tnsHhih1coXGpVBoYGBgaGsoMq75zQzkqaW3Lb4qzm9fSZTgSLx8y+9vnlYsY1gODPT5DG/YovI67nZNwcuRPV1RU9Fj9ro+EVP/zA3Zn0Kj3cdDExsayd6MmJ/2Pq5eYCp944gnmbaMuLi4a/XEmM/768UMGxoA0MvJt3f72eeWSz/78B7SDIIhdQZ13OcpibYG8P625paVFXwPVGARHw/1uO1IrZ9py9UteX1G7tVOh5HK5aTP8KZXKyZMna49wkkgkHF0qhUKhzxPhmAaePb++rdt/+uFLIvfeiGEhhtWjlJaW6vspOjqa/UI9+vY7ffp0feV15ppbqH73EaFstUpJSeFQq6qqKn2PVum40po1a7TX19bWFhcXc3SpNGbLYw6B4xGHtstju/bnOTkjhmXXeIZFNPwvs6HLRERt9E1yolKpOGY42r17N0cKRXZ2dnh4OJ1V3+Wrj48ePdpj9bf/cZvtCq1YsYKjF7Z06dJLly5Nnz5dX+UaHUMDdz4pKWnfvn1s10wikbAD+dpoz+dpo/Z3Dwon+HZ65ZIzq9AlJAiCqN6Yci5nvcmbZ2dn68wA0u6GGN6FMapjpfM1Uw+8/pycHDo9Sp99GF0LCwvT7hhyV65Sqf7zn//QjwWnTJnCoYn6umA2av8JW7/vM+4xksdDl9B+lz4THsyEs0uXLuWYnsVAMjM7x2y7jQgdOENmufo1ZJrjamTnsqelpXHshlgs/uyzz4w1jlgsjo2NzczMzMzMjI2N5VArlUrFHqLQL+oZ27W/24hQ91FjCF1jLTE0x46W3uOnShal9IxIDXmxM/5CT8/Sndo0pmfpF/UM+4Ixe/0MUqlUIwqj3Rlkx6S4dyMiIiIlRdP+JSUlJjx81N6T+Ph49hDr/jGzbdf+/aKeIYW6B4fbxavqh7+5Ev3Be2GssZM9wyKcBw0leTynfj6O3gMc+/Z39Orv6DVA33Lnf+/sevrpp8PCwrTrZL+q3jVwdD/pzCEvLBo8O44nEjWcuBeR3bt3r6ur68SJE01rzeyejueYyEf+ssZl2AiSz284fsjs9bPZtWuXj4+Pvg2/+OKLjRs3stfs3bt30aJFHH7QuHHjvv766xs3brBXHjp0SK1Wjxs3TiQSmaxW7CHWvnPfGPzcqzwHR0vYx9L2p+vnOzsTdtkfJAiCnFZ5G1KlCUVRHe3q9jaqo4NSq/WVuvDlx+f+l69oSAzLY/TEsZ/sIvl8nkBI8gXH4mMaTnROOCOTyTZu3Gh4prhKpcrLy2OPH+Y5OI7N+j/3oHC+gxNBksfios1cv1CkbmvlPl7uyF1KSgr3pA76NpRKpf/4xz+MDQZVVVUtXbqUPZepR8iE0eu/FHn04QlF5rePpe1/f/32eWmiS6hrIUlCIOQ5OvPFvQS93PQtPAdH424OfAFf3Ivn6EwIhBRJjli50SMskvk1Ly/P29s7IyODYzI8GoVCkZOTExYWdl9rFjn4x6/oNTyIFIro/oLZ62fUSiaTcUfQ2Z1Bp4G+zOfU1FTuJ7DBwcHsFxqyO1YhISGJiYnFxcVdhoRUKlVxcXFiYmJISAhbrdyDwoPWbBO4uJICoSXsY2n7a9RvnwsZDQ/LVBpPHTn2SpTh5f1e++vwP9/nX6gUZ0+nLr5ZLtcunJCQ4Ofnx363XVNTk0Kh0HiWz7Tmoa/91Sc2XujqzhOKmNuvees//1m6+u4dY6008t1PlAd2Xz+0xwQLez02Q/nj9zodLnqMjsb6ioqK6upqjZch3otVB4UHpW516NufT88Wb4P2167fHruET0KwusGR2HG3WK9F4CZ009d9p+jIDPzlnQWXd39l8j449vfxW/h238nRwl7uPJGDdms2V/3nc9Zf3P6JUdsO/NP84Uvev3W28uSbTxv7vy7DRkws+Emx9e91/1zTzdM0YOYLfgtWiDy9+M5iksfXMJGt2F9f/XYF3+8NBN1Nx0US1HzmZOuNrmcHHvxiwsBZr5ICoQ4/Qvq0Y9/+7S3Nd65cNK4pew/0jokNfOsfroGhAhc3nlB3azZX/X0nT7t5/OCdK78ZuLn76AmPrFgvdPVw9pWQPN7NE4cM/2tn3+GSZR85DRriGT7FIzSC5PFu1VSZcII8x08d8spfBsXGC9378J2ctdXKhuyvr3778rAePwUPq7uc27SqsVzeeOqIDkUbPqpX4GjP8Cl9pswQOIt1CtY9KKq5uvxa0deNFWVNP3ONm3Xs5+M6Msx15Ji+U2cKerkJnMQ8Ryedl6Il6j+3aVVjRVljhd5ADN/ZpVdAkOuIsb4vLxG4uvMcnOgUx4ZjBxqOljRWyBtPHeW+B7iOGOOfkCLo5cYTOTLpkbd/U1wr/rqxXN5UeaxdxTUlA99J7DJsZK/A0X0fnS72f4Tv3Ivv6EQKRV1kWtqI/e1dsKIgWGaBoih1h7qtlWprozrameHTJEkSJI8nFJJCEU8g7LrNURSl7ui4rbp54tDti3VtjTcI9b0nlXxxL8d+g3pJgoQefUihiC9yJEUinlBkXFM2S/0URVFqqq1N3dZKdbRrP0gleTxSIOAJHUiBgD07Hb2tur2NamtVt7URlFp7nDlJkiRfQAqFOv6a/t/29tsXam//VnfrTMW9f6fujQcV+49wHDDYaeBQnsiBJ3LgCYSkUEQKBCTJM9RENmF/exYsKQTLahWQou615v9d2LT8kTweweMZcRE+kPp7wj5qqqODUKspSs3SOx7B45F8vrXbx9bt/4DAfFjWey8hSJLg80g+/UWrwRPdnGXC0vX3gH34pICvc+dtwT62bv8HJViwAQAAggUAABAsAIDdChYUCwAADwsAACBYAAAIFgAAWLtgQbEAAPCwAAAAggUAsFN4MAEAAB4WAACYXbAQdQcAwMMCAAAIFgAAggUAANYuWFAsAAA8LAAAgGABACBYAABg3SDTHQBgQx4WXCwAALqEAAAAwQIAQLAAAMDaBQuKBQCAhwUAAOYFaQ0AAHhYAAAAwQIA2LFgQbEAAPCwAAAAggUAsFPwlBAAAA8LAADML1hQLAAAPCwAADC7YEGyAAC2AYLuAAB0CQEAwPyCBcUCAMDDAgAA84IYFgAAHhYAAECwAAB2LFhQLACAjYAYFgAAXUIAAIBgAQAgWAAAYO0ghgUAsCEPCy4WAABdQgAAQJcQAAAPCwAAIFgAAIAuIQDA3jwsuFgAAHQJAQAAXUIAADwsAACAYAEAALqEAAB787DgYgEA4GEBAIC5PSzYAAAAwQIAAHQJAQD262HBxwIAwMMCAAAze1hwsAAAttMlBAAAdAkBAAAeFgAAHhYAAMDDAgAAeFgAADvzsOBiAQDgYQEAgLk9LNgAAAAPCwAA4GEBAOBhAQAAPCwAAICHBQCwNw8LLhYAAB4WAACY28OCDQAANsL/DwAPm8TOXgqx/AAAAABJRU5ErkJggg==" />_x000D_
<div id="s">div with explicit size for comparison 200px by 150px</div>_x000D_
<div id="t">div with explicit size for comparison 400px by 300px</div>_x000D_
<div id="c"></div>

I started getting this error (different stack trace though) after making a trivial update to my GraphQL API application that is operated inside a docker container. For whatever reason, the container was having difficulty resolving a back-end service being used by the API.

After poking around to see if some change had been made in the docker base image I was building from (node:13-alpine, incidentally), I decided to try the oldest computer science trick of rebooting... I stopped and started the docker container and all went back to normal.

Clearly, this isn't a meaningful solution to the underlying problem - I am merely posting this since it did clear up the issue for me without going too deep down rabbit holes.

I make it simple, if the layout is same i just put the intent it.

My code like this:

public class RegistrationMenuActivity extends AppCompatActivity implements View.OnClickListener {


    private Button btnCertificate, btnSeminarKit;

    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_registration_menu);

        initClick();
    }

    private void initClick() {
        btnCertificate = (Button) findViewById(R.id.btn_Certificate);
        btnCertificate.setOnClickListener(this);

        btnSeminarKit = (Button) findViewById(R.id.btn_SeminarKit);
        btnSeminarKit.setOnClickListener(this);
    }

    @Override
    public void onClick(View view) {
        switch (view.getId()) {
            case R.id.btn_Certificate:
                break;
            case R.id.btn_SeminarKit:
                break;
        }
        Intent intent = new Intent(RegistrationMenuActivity.this, ScanQRCodeActivity.class);
        startActivity(intent);
    }
}

You will see the same error if you are trying to install an apk that was built using

compileSdkVersion "android-L"

Even for devices running the final version of Android 5.0. Simply change this to

compileSdkVersion 21

Change the checkboxes so that the name includes the index inside the brackets:

<input type="checkbox" class="checkbox_veh" id="checkbox_addveh<?php echo $i; ?>" <?php if ($vehicle_feature[$i]->check) echo "checked"; ?> name="feature[<?php echo $i; ?>]" value="<?php echo $vehicle_feature[$i]->id; ?>"> 

The checkboxes that aren't checked are never submitted. The boxes that are checked get submitted, but they get numbered consecutively from 0, and won't have the same indexes as the other corresponding input fields.

    NSError *error;
    [[NSFileManager defaultManager] removeItemAtPath:new_file_path_str error:&error];
    if (error){
        NSLog(@"%@", error);
    }

Rsync is better since it will only copy only the updated parts of the updated file, instead of the whole file. It also uses compression and encryption if you want. Check out this tutorial.

your folder name is scripts..

and you are Referencing it like ../script/login.js

Also make sure that script folder is in your project directory

Thanks

Try this:

CSS

.style1{
    background-color:red;
    color:white;
    font-size:44px;
}

HTML

<div id="foo">hello world!</div>
<img src="zoom.png" onclick="myFunction()" />

Javascript

function myFunction()
{
    document.getElementById('foo').setAttribute("class", "style1");
}

You can access the array index directly:

var csv = 'zero,one,two,three'; csv.split(',')[0]; //result: zero csv.split(',')[3]; //result: three

This query should be written before the query which create or update data in the database, this query looks like :

mysql_query("set names 'utf8'");

Note that you should write the encode which you are using in the header for example if you are using utf-8 you add it like this in the header or it will couse a problem with Internet Explorer

so your page looks like this

<html>
    <head>
        <title>page title</title>
        <meta charset="UTF-8" />   
    </head>
    <body>
    <?php
            mysql_query("set names 'utf8'");   
            $sql = "INSERT * FROM ..... ";  
            mysql_query($sql);
    ?>    

    </body>
</html>

Need to install texinfo. configure will still have the cache of its results so it will still think makeinfo is missing. Blow away your source and unpack it again from the tarball. run configure then make.

Here's an example (sorry for any typos)

var itemsToRemove = new ArrayList();  // should use generic List if you can

foreach (var item in originalArrayList) {
  if (...) {
    itemsToRemove.Add(item);
  }
}

foreach (var item in itemsToRemove) {
  originalArrayList.Remove(item);
}

OR if you're using 3.5, Linq makes the first bit easier:

itemsToRemove = originalArrayList
  .Where(item => ...)
  .ToArray();

foreach (var item in itemsToRemove) {
  originalArrayList.Remove(item);
}

Replace "..." with your condition that determines if item should be removed.

If you own the HTML code then it might be wise to assign an id to this href. Then your code would look like this:

<a id="sign_up" class="sign_new">Sign up</a>

And jQuery:

$(document).ready(function(){
    $('#sign_up').click(function(){
        alert('Sign new href executed.');
    });
});

If you do not own the HTML then you'd need to change $('#sign_up') to $('a.sign_new'). You might also fire event.stopPropagation() if you have a href in anchor and do not want it handled (AFAIR return false might work as well).

$(document).ready(function(){
    $('#sign_up').click(function(event){
        alert('Sign new href executed.');
        event.stopPropagation();
    });
});

1) What is the difference between awk and sed ?

Both are tools that transform text. BUT awk can do more things besides just manipulating text. Its a programming language by itself with most of the things you learn in programming, like arrays, loops, if/else flow control etc You can "program" in sed as well, but you won't want to maintain the code written in it.

2) What kind of application are best use cases for sed and awk tools ?

Conclusion: Use sed for very simple text parsing. Anything beyond that, awk is better. In fact, you can ditch sed altogether and just use awk. Since their functions overlap and awk can do more, just use awk. You will reduce your learning curve as well.

You could use a ArrayList instead of array. So that you can add n number of elements

 List<Integer> myVar = new ArrayList<Integer>();

You shouldn't be setting the value of the input through refs.

Take a look at the documentation for controlled form components here - https://facebook.github.io/react/docs/forms.html#controlled-components

In a nutshell

<input value={this.state.value} onChange={(e) => this.setState({value: e.target.value})} />

Then you will be able to control the disabled state by using disabled={!this.state.value}

The Javadoc for String reveals that String.split() is what you're looking for in regard to explode.

Java does not include a "implode" of "join" equivalent. Rather than including a giant external dependency for a simple function as the other answers suggest, you may just want to write a couple lines of code. There's a number of ways to accomplish that; using a StringBuilder is one:

String foo = "This,that,other";
String[] split = foo.split(",");
StringBuilder sb = new StringBuilder();
for (int i = 0; i < split.length; i++) {
    sb.append(split[i]);
    if (i != split.length - 1) {
        sb.append(" ");
    }
}
String joined = sb.toString();

We can use identifierForVendor for ios7,

-(NSString*)uniqueIDForDevice
{
    NSString* uniqueIdentifier = nil;
    if( [UIDevice instancesRespondToSelector:@selector(identifierForVendor)] ) { // >=iOS 7
        uniqueIdentifier = [[[UIDevice currentDevice] identifierForVendor] UUIDString];
    } else { //<=iOS6, Use UDID of Device       
            CFUUIDRef uuid = CFUUIDCreate(NULL);
            //uniqueIdentifier = ( NSString*)CFUUIDCreateString(NULL, uuid);- for non- ARC
            uniqueIdentifier = ( NSString*)CFBridgingRelease(CFUUIDCreateString(NULL, uuid));// for ARC
            CFRelease(uuid);
         }
    }
return uniqueIdentifier;
}

--Important Note ---

UDID and identifierForVendor are different:---

1.) On uninstalling  and reinstalling the app identifierForVendor will change.

2.) The value of identifierForVendor remains the same for all the apps installed from the same vendor on the device.

3.) The value of identifierForVendor also changes for all the apps if any of the app (from same vendor) is reinstalled.

You're correct in that, semantically, ref provides both "in" and "out" functionality, whereas out only provides "out" functionality. There are some things to consider:

1. out requires that the method accepting the parameter MUST, at some point before returning, assign a value to the variable. You find this pattern in some of the key/value data storage classes like Dictionary<K,V>, where you have functions like TryGetValue. This function takes an out parameter that holds what the value will be if retrieved. It wouldn't make sense for the caller to pass a value into this function, so out is used to guarantee that some value will be in the variable after the call, even if it isn't "real" data (in the case of TryGetValue where the key isn't present).
2. out and ref parameters are marshaled differently when dealing with interop code

Also, as an aside, it's important to note that while reference types and value types differ in the nature of their value, every variable in your application points to a location of memory that holds a value, even for reference types. It just happens that, with reference types, the value contained in that location of memory is another memory location. When you pass values to a function (or do any other variable assignment), the value of that variable is copied into the other variable. For value types, that means that the entire content of the type is copied. For reference types, that means that the memory location is copied. Either way, it does create a copy of the data contained in the variable. The only real relevance that this holds deals with assignment semantics; when assigning a variable or passing by value (the default), when a new assignment is made to the original (or new) variable, it does not affect the other variable. In the case of reference types, yes, changes made to the instance are available on both sides, but that's because the actual variable is just a pointer to another memory location; the content of the variable--the memory location--didn't actually change.

Passing with the ref keyword says that both the original variable and the function parameter will actually point to the same memory location. This, again, affects only assignment semantics. If a new value is assigned to one of the variables, then because the other points to the same memory location the new value will be reflected on the other side.

You can write your query like so:

SELECT * FROM MyTable WHERE (A LIKE '%text1%' OR A LIKE '%text2%')

The % is a wildcard, meaning that it searches for all rows where column A contains either text1 or text2

Because 1 is numeric, but not integer (i.e. it's a floating point number), and 1:6000 is numeric and integer.

> print(class(1))
[1] "numeric"
> print(class(1:60000))
[1] "integer"

60000 squared is 3.6 billion, which is NOT representable in signed 32-bit integer, hence you get an overflow error:

> as.integer(60000)*as.integer(60000)
[1] NA
Warning message:
In as.integer(60000) * as.integer(60000) : NAs produced by integer overflow

3.6 billion is easily representable in floating point, however:

> as.single(60000)*as.single(60000)
[1] 3.6e+09

To fix your for code, convert to a floating point representation:

function (N)
{
    for(i in as.single(1:N)) {
        y <- i*i
    }
}

Try this "one-liner" from Delta's Blog, String To MemoryStream (C#).

MemoryStream stringInMemoryStream =
   new MemoryStream(ASCIIEncoding.Default.GetBytes("Your string here"));

The string will be loaded into the MemoryStream, and you can read from it. See Encoding.GetBytes(...), which has also been implemented for a few other encodings.

Additional to the jQuery thing treated in the other answers there is another meaning in JavaScript - as prefix for the RegExp properties representing matches, for example:

"test".match( /t(e)st/ );
alert( RegExp.$1 );

will alert "e"

But also here it's not "magic" but simply part of the properties name

The Address property of a cell can get this for you:

MsgBox Cells(1, 1).Address(RowAbsolute:=False, ColumnAbsolute:=False)

returns A1.

The other way around can be done with the Row and Column property of Range:

MsgBox Range("A1").Row & ", " & Range("A1").Column

returns 1,1.

Documentation: C.2.3.1 <jee:jndi-lookup/> (simple)

Example:

<jee:jndi-lookup id="dataSource" jndi-name="jdbc/MyDataSource"/>

You just need to find out what JNDI name your appserver has bound the datasource to. This is entirely server-specific, consult the docs on your server to find out how.

Remember to declare the jee namespace at the top of your beans file, as described in C.2.3 The jee schema.

telnet ServerName 80

GET /index.html?
?

? means 'return', you need to hit return twice

I get very different results on my system, but this is not using the defaults. You are likely bottlenecked on innodb-log-file-size, which is 5M by default. At innodb-log-file-size=100M I get results like this (all numbers are in seconds):

                             MyISAM     InnoDB
create table                  0.001      0.276
create 1024000 rows           2.441      2.228
insert test data             13.717     21.577
select 1023751 rows           2.958      2.394
fetch 1023751 batches         0.043      0.038
drop table                    0.132      0.305

Increasing the innodb-log-file-size will speed this up by a few seconds. Dropping the durability guarantees by setting innodb-flush-log-at-trx-commit=2 or 0 will improve the insert numbers somewhat as well.

I'd like to add that TypeGuards only work on strings or numbers, if you want to compare an object use instanceof

if(task.id instanceof UUID) {
  //foo
}

I had the same issue.

I forgotten selinux conf, not all is ok:

setsebool -P httpd_can_connect_zabbix on

If you're using NotificationCompat.Builder (a part of android.support.v4) then simply call its object's method setAutoCancel

NotificationCompat.Builder builder = new NotificationCompat.Builder(context);
builder.setAutoCancel(true);

Some guys were reporting that setAutoCancel() did not work for them, so you may try this way as well

builder.getNotification().flags |= Notification.FLAG_AUTO_CANCEL;

Note that the method getNotification() has been deprecated!!!

__git_ps1 for bash is now found in git-prompt.sh in /usr/local/etc/bash_completion.d on my brew installed git version 1.8.1.5

To do this in Windows CLI environment, the best way I can find is to use the mode command and parse the output.

function getTerminalSizeOnWindows() {
  $output = array();
  $size = array('width'=>0,'height'=>0);
  exec('mode',$output);
  foreach($output as $line) {
    $matches = array();
    $w = preg_match('/^\s*columns\:?\s*(\d+)\s*$/i',$line,$matches);
    if($w) {
      $size['width'] = intval($matches[1]);
    } else {
      $h = preg_match('/^\s*lines\:?\s*(\d+)\s*$/i',$line,$matches);
      if($h) {
        $size['height'] = intval($matches[1]);
      }
    }
    if($size['width'] AND $size['height']) {
      break;
    }
  }
  return $size;
}

I hope it's useful!

NOTE: The height returned is the number of lines in the buffer, it is not the number of lines that are visible within the window. Any better options out there?

>>> my_list = ['A', '', '', 'D', 'E',]
>>> ",".join([str(i) for i in my_list if i])
'A,D,E'

my_list may contain any type of variables. This avoid the result 'A,,,D,E'.

CSS supports text input for colors (i.e. "black" = #000000 "white" = #ffffff) So I think the helpful solution we are looking for here is how can one have PHP take the output from an HTML form text input box and have it tell CSS to use this line of text for background color.

So that when a a user types "blue" into the text field titled "what is your favorite color", they are returned a page with a blue background, or whatever color they happen to type in so long as it is recognized by CSS.

I believe Dan is on the right track, but may need to elaborate for use PHP newbies, when I try this I am returned a green screen no matter what is typed in (I even set this up as an elseif to display a white background if no data is entered in the text field, still green?

This is more likely to get you what you want:

Scanner input = new Scanner(System.in);
String s = input.next();
System.out.println(s);

You said it yourself, check that it's empty:

if (empty($_GET)) {
    // no data passed by get
}

See, PHP is so straightforward. You may simply write, what you think ;)

This method is quite secure. !$_GET could give you an undefined variable E_NOTICE if $_GET was unset (not probable, but possible).

The thing is that you are using the option -t when running your container.

Could you check if enabling the tty option (see reference) in your docker-compose.yml file the container keeps running?

version: '2'
services:
  ubuntu:
        build: .
        container_name: ubuntu
        volumes:
            - ~/sph/laravel52:/www/laravel
        ports:
          - "80:80"
        tty: true

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

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

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

If you need to support other formats as well or just need good performance, you can use this WebAssembly library

it's promised based, it uses WebWorkers for threading and API is actually simple ES module

I used a simpler solution found partly here:
How to sort details with Date and time in sql server ?
I used this query to get my results:

SELECT TOP (5) * FROM My_Table_Name WHERE id=WhateverValueINeed ORDER BY DateTimeColumnName DESC

This is more straight forward and worked for me.

Notice: the column of the Date has the "datetime" type

With guava you can use

MoreObjects.firstNonNull(possiblyNullString, defaultValue);

If you use Sass, there are Bootstrap variables are defined with !default, among which you'll find font families. You can just set the variables in your own .scss file before including the Bootstrap Sass file and !default will not overwrite yours. Here's a good explanation of how !default works: https://thoughtbot.com/blog/sass-default.

Here's an untested example using Bootstrap 4, npm, Gulp, gulp-sass and gulp-cssmin to give you an idea how you could hook this up together.

package.json

{
  "devDependencies": {
    "bootstrap": "4.0.0-alpha.6",
    "gulp": "3.9.1",
    "gulp-sass": "3.1.0",
    "gulp-cssmin": "0.2.0"
  }
}

mysite.scss

@import "./myvariables";

// Bootstrap
@import "bootstrap/scss/variables";
// ... need to include other bootstrap files here.  Check node_modules\bootstrap\scss\bootstrap.scss for a list

_myvariables.scss

// For a list of Bootstrap variables you can override, look at node_modules\bootstrap\scss\_variables.scss

// These are the defaults, but you can override any values
$font-family-sans-serif: -apple-system, system-ui, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif !default;
$font-family-serif:      Georgia, "Times New Roman", Times, serif !default;
$font-family-monospace:  Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace !default;
$font-family-base:       $font-family-sans-serif !default;

gulpfile.js

var gulp = require("gulp"),
    sass = require("gulp-sass"),
    cssmin = require("gulp-cssmin");

gulp.task("transpile:sass", function() {
    return gulp.src("./mysite.scss")
        .pipe(sass({ includePaths: "./node_modules" }).on("error", sass.logError))
        .pipe(cssmin())
        .pipe(gulp.dest("./css/"));
});

index.html

<html>
    <head>
        <link rel="stylesheet" type="text/css" href="mysite.css" />
    </head>
    <body>
        ...
    </body>
</html>

It looks to me as though the basic problem is that you have one wait() call rather than a loop that waits until there are no more children. You also only wait if the last fork() is successful rather than if at least one fork() is successful.

You should only use _exit() if you don't want normal cleanup operations - such as flushing open file streams including stdout. There are occasions to use _exit(); this is not one of them. (In this example, you could also, of course, simply have the children return instead of calling exit() directly because returning from main() is equivalent to exiting with the returned status. However, most often you would be doing the forking and so on in a function other than main(), and then exit() is often appropriate.)

Hacked, simplified version of your code that gives the diagnostics I'd want. Note that your for loop skipped the first element of the array (mine doesn't).

#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <sys/wait.h>

int main(void)
{
    pid_t child_pid, wpid;
    int status = 0;
    int i;
    int a[3] = {1, 2, 1};

    printf("parent_pid = %d\n", getpid());
    for (i = 0; i < 3; i++)
    {
        printf("i = %d\n", i);
        if ((child_pid = fork()) == 0)
        {
            printf("In child process (pid = %d)\n", getpid());
            if (a[i] < 2)
            {
                printf("Should be accept\n");
                exit(1);
            }
            else
            {
                printf("Should be reject\n");
                exit(0);
            }
            /*NOTREACHED*/
        }
    }

    while ((wpid = wait(&status)) > 0)
    {
        printf("Exit status of %d was %d (%s)\n", (int)wpid, status,
               (status > 0) ? "accept" : "reject");
    }
    return 0;
}

Example output (MacOS X 10.6.3):

parent_pid = 15820
i = 0
i = 1
In child process (pid = 15821)
Should be accept
i = 2
In child process (pid = 15822)
Should be reject
In child process (pid = 15823)
Should be accept
Exit status of 15823 was 256 (accept)
Exit status of 15822 was 0 (reject)
Exit status of 15821 was 256 (accept)

Try curl -v http://localhost:8080/ instead of 127.0.0.1

Here's the lowdown on Mac IDE's for PHP

NetBeans Free! Plus, the best functionality of all offerings. Includes inline database connections, code completion, syntax checking, color coding, split views etc. Downside: It's a memory hog on the Mac. Be prepared to allow half a gig of memory then you'll need to shut down and restart.

Komodo A step above a Text Editor. Does not support database connections or split views. Color coding and syntax checking are there to an extent. The project control on Komodo is very unwieldy and strange compared to the other IDEs.

Aptana The perfect solution. Eclipsed based and uses the Aptana PHP plug in. Real time syntax checking, word wrap, drag and drop split views, database connections and a slew of other excellent features. Downside: Not a supported product any more. Aptana Studio 2.0+ uses PDT which is a watered down, under-developed (at present) php plug in.

Zend Studio - Almost identical to Aptana, except no word wrap and you can't change alot of the php configuration on the MAC apparently due to bugs.

Coda Created by Panic, Coda has nice integration with source control and their popular FTP client, transmit. They also have a collaboration feature which is cool for pair-programming.

PhpEd with Parallels or Wine. The best IDE for Windows has all the feature you could need and is worth the effort to pass it through either Parallels or Wine.

Dreamweaver Good for Javascript/HTML/CSS, but only marginal for PHP. There is some color coding, but no syntax checking or code completion native to the package. Database connections are supported, and so are split views.

I'm using NetBeans, which is free, and feature rich. I can deal with the memory issues for a while, but it could be slow coming to the MAC.

Cheers! Korky Kathman Senior Partner Entropy Dynamics, LLC

I was using Postman and I was doing the same mistake.. passing the value as json object instead of string

{
    "value": "test"
}

Clearly the above one is wrong when the api parameter is of type string.

So, just pass the string in double quotes in the api body:

"test"

If you need to increase MySQL Connections without MySQL restart do like below

mysql> show variables like 'max_connections';
+-----------------+-------+
| Variable_name   | Value |
+-----------------+-------+
| max_connections | 100   |
+-----------------+-------+
1 row in set (0.00 sec)

mysql> SET GLOBAL max_connections = 150;
Query OK, 0 rows affected (0.00 sec)

mysql> show variables like 'max_connections';
+-----------------+-------+
| Variable_name   | Value |
+-----------------+-------+
| max_connections | 150   |
+-----------------+-------+
1 row in set (0.00 sec)

These settings will change at MySQL Restart.

For permanent changes add below line in my.cnf and restart MySQL

max_connections = 150

In C and in C++ single quotes identify a single character, while double quotes create a string literal. 'a' is a single a character literal, while "a" is a string literal containing an 'a' and a null terminator (that is a 2 char array).

In C++ the type of a character literal is char, but note that in C, the type of a character literal is int, that is sizeof 'a' is 4 in an architecture where ints are 32bit (and CHAR_BIT is 8), while sizeof(char) is 1 everywhere.

If you don't intend to have any telephone numbers on your page, then <meta name="format-detection" content="telephone=no"> will work just fine. But rhetorically speaking, what if you intend to use a mix of phone and non-phone numbers?

Assuming you're just hard-coding numbers into your HTML, the "insert stuff in the middle of your digits" hacks will work. But they are of little to no use for dynamic pages, such as using PHP to output numerical data from a query.

As an example, I was generating a list of city populations. Some of the populations were large enough to cause Mobile Safari to turn them into phone number links. Fortunately, all I had to do was use PHP number_format() around the array output to insert "thousands" commas:

<?php echo number_format($row["population"]) ?>

This formatting was enough to convince Mobile Safari that there was a somewhat more specific purpose for the number, so it didn't default my larger numbers into telephone links anymore. The same would hold true for the suggestion by @davidcondrey of using <a href="tel:18001234567">1-800-123-4567</a> to specify a purpose to the number.

Bottom line is that Safari Mobile apparently does pay attention to semantics. Given that HTML5 is built around semantic markup, and search engines are relying on semantic markup, I intend to use it as much as I can.

Section 6.5.8.6 of the C standard says:

Each of the operators < (less than), > (greater than), <= (less than or equal to), and >= (greater than or equal to) shall yield 1 if the specified relation is true and 0 if it is false.) The result has type int.

For reference, here's complete code for how to send json from a Python client:

import requests
res = requests.post('http://localhost:5000/api/add_message/1234', json={"mytext":"lalala"})
if res.ok:
    print res.json()

The "json=" input will automatically set the content-type, as discussed here: Post JSON using Python Requests

And the above client will work with this server-side code:

from flask import Flask, request, jsonify
app = Flask(__name__)

@app.route('/api/add_message/<uuid>', methods=['GET', 'POST'])
def add_message(uuid):
    content = request.json
    print content['mytext']
    return jsonify({"uuid":uuid})

if __name__ == '__main__':
    app.run(host= '0.0.0.0',debug=True)

You cannot use the Directory directive in .htaccess. However if you create a .htaccess file in the /system directory and place the following in it, you will get the same result

#place this in /system/.htaccess as you had before
deny from all

Hungarian is bad because it takes precious characters away from variable names in exchange for what, some type information?

First of all, in a strongly typed language, the compiler will warn you if you do any truly stupid.

Second, if you believe in good modularized code and don't do too much work in any 1 function, you're variables are probable declared just above the code they are used in anyway (so you have the type right there).

Third, if you prefix every pointer with p and every class with C, your really screwing up your nice modern IDE's ability to do intellisense (you know that feature where it guesses as you type what class name your typing and as soon as it gets it right you can hit enter and it completes it for you? well, if you prefix every class with C, you always have at least 1 extra letter to type)...

Using LINQ, ofcourse. The below code would give you dictionary of item as string, and the count of each item in your sourc list.

var item2ItemCount = list.GroupBy(item => item).ToDictionary(x=>x.Key,x=>x.Count());

I assume you want to remove rows that are all NAs. Then, you can do the following :

data <- rbind(c(1,2,3), c(1, NA, 4), c(4,6,7), c(NA, NA, NA), c(4, 8, NA)) # sample data
data
     [,1] [,2] [,3]
[1,]    1    2    3
[2,]    1   NA    4
[3,]    4    6    7
[4,]   NA   NA   NA
[5,]    4    8   NA

data[rowSums(is.na(data)) != ncol(data),]
     [,1] [,2] [,3]
[1,]    1    2    3
[2,]    1   NA    4
[3,]    4    6    7
[4,]    4    8   NA

If you want to remove rows that have at least one NA, just change the condition :

data[rowSums(is.na(data)) == 0,]
     [,1] [,2] [,3]
[1,]    1    2    3
[2,]    4    6    7

I'm having the same warnings. I'm not sure it's a matter of 32 vs 64 bits. Just loaded the new symbols and some problems were solved, but the ones regarding OpenCV still persist. This is an extract of the output with solved vs unsolved issue:

'OpenCV_helloworld.exe': Loaded 'C:\OpenCV2.2\bin\opencv_imgproc220d.dll', Cannot find or open the PDB file

'OpenCV_helloworld.exe': Loaded 'C:\WINDOWS\system32\imm32.dll', Symbols loaded (source information stripped).

The code is exiting 0 in case someone will ask.

The program '[4424] OpenCV_helloworld.exe: Native' has exited with code 0 (0x0).

I've faced the same issue. Though the mongodb service is not running, the log showed address already in use message.

 $netstat -tulpn | grep :27017 

returns nothing

On further analysis found that the issue was due to lock file. The service is running fine, after deleting the lock file and restarting it.

$grep "dbpath" /etc/mongodb.conf

dbpath =/var/lib/mongodb

$ls /var/lib/mongodb/mongod.lock

$service mongod start

While you can use a virtualenv, you don't need to. The trick is passing the PEP370 --user argument to the setup.py script. With the latest version of pip, one way to do it is:

pip install --user mercurial

This should result in the hg script being installed in $HOME/.local/bin/hg and the rest of the hg package in $HOME/.local/lib/pythonx.y/site-packages/.

Note, that the above is true for Python 2.6. There has been a bit of controversy among the Python core developers about what is the appropriate directory location on Mac OS X for PEP370-style user installations. In Python 2.7 and 3.2, the location on Mac OS X was changed from $HOME/.local to $HOME/Library/Python. This might change in a future release. But, for now, on 2.7 (and 3.2, if hg were supported on Python 3), the above locations will be $HOME/Library/Python/x.y/bin/hg and $HOME/Library/Python/x.y/lib/python/site-packages.

$('#scheduleDate').datepicker({ dateFormat : 'dd, MM, yy'});

var dateFormat = $('#scheduleDate').datepicker('option', 'dd, MM, yy');

$('#scheduleDate').datepicker('option', 'dateFormat', 'dd, MM, yy');

var result = $('#scheduleDate').val();

alert('result: ' + result);

result: 20, April, 2012

Use View mode returns a map with no markers or directions.

The example below uses the optional maptype parameter to display a satellite view of the map.

https://www.google.com/maps/embed/v1/view
  ?key=YOUR_API_KEY
  &center=-33.8569,151.2152
  &zoom=18
  &maptype=satellite

I think this is an update. I was unable to install rJava (on Windows) until I installed the JDK, as per Javac is not found and javac not working in windows command prompt. The message I was getting was

'javac' is not recognized as an internal or external command, operable program or batch file.

The JDK includes the JRE, and according to https://cran.r-project.org/web/packages/rJava/index.html the current version (0.9-7 published 2015-Jul-29) of rJava

SystemRequirements:     Java JDK 1.2 or higher (for JRI/REngine JDK 1.4 or higher), GNU make

So there you are: if rJava won't install because it can't find javac, and you have the JRE installed, then try the JDK. Also, make sure that JAVA_HOME points to the JDK and not the JRE.

1. If you want to integrate Retrofit (all steps defined here):

Goto my blog : retrofit with kotlin

2. Please use android-async-http library.

the link below explains everything step by step.

http://loopj.com/android-async-http/

Here are sample apps:

1. http://www.techrepublic.com/blog/software-engineer/calling-restful-services-from-your-android-app/

2. http://blog.strikeiron.com/bid/73189/Integrate-a-REST-API-into-Android-Application-in-less-than-15-minutes

Create a class :

public class HttpUtils {
  private static final String BASE_URL = "http://api.twitter.com/1/";
 
  private static AsyncHttpClient client = new AsyncHttpClient();

  public static void get(String url, RequestParams params, AsyncHttpResponseHandler responseHandler) {
      client.get(getAbsoluteUrl(url), params, responseHandler);
  }

  public static void post(String url, RequestParams params, AsyncHttpResponseHandler responseHandler) {
      client.post(getAbsoluteUrl(url), params, responseHandler);
  }
      
  public static void getByUrl(String url, RequestParams params, AsyncHttpResponseHandler responseHandler) {
      client.get(url, params, responseHandler);
  }

  public static void postByUrl(String url, RequestParams params, AsyncHttpResponseHandler responseHandler) {
      client.post(url, params, responseHandler);
  }

  private static String getAbsoluteUrl(String relativeUrl) {
      return BASE_URL + relativeUrl;
  }
}

Call Method :

    RequestParams rp = new RequestParams();
    rp.add("username", "aaa"); rp.add("password", "aaa@123");
                    
    HttpUtils.post(AppConstant.URL_FEED, rp, new JsonHttpResponseHandler() {
        @Override
        public void onSuccess(int statusCode, Header[] headers, JSONObject response) {
            // If the response is JSONObject instead of expected JSONArray
            Log.d("asd", "---------------- this is response : " + response);
            try {
                JSONObject serverResp = new JSONObject(response.toString());                                                
            } catch (JSONException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }                   
        }
            
        @Override
        public void onSuccess(int statusCode, Header[] headers, JSONArray timeline) {
            // Pull out the first event on the public timeline
                    
        }
    });

Please grant internet permission in your manifest file.

 <uses-permission android:name="android.permission.INTERNET" />

you can add compile 'com.loopj.android:android-async-http:1.4.9' for Header[] and compile 'org.json:json:20160212' for JSONObject in build.gradle file if required.

FYI, [ChildActionOnly] is not available in ASP.NET MVC Core. see some info here

This would get you the index of the clicked row, starting with one:

$('#thetable').find('tr').click( function(){_x000D_
alert('You clicked row '+ ($(this).index()+1) );_x000D_
});

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>_x000D_
<table id="thetable">_x000D_
   <tr>_x000D_
      <td>1</td><td>1</td><td>1</td>_x000D_
   </tr>_x000D_
   <tr>_x000D_
      <td>2</td><td>2</td><td>2</td>_x000D_
   </tr>_x000D_
   <tr>_x000D_
      <td>3</td><td>3</td><td>3</td>_x000D_
   </tr>_x000D_
</table>

If you want to return the number stored in that first cell of each row:

$('#thetable').find('tr').click( function(){
  var row = $(this).find('td:first').text();
  alert('You clicked ' + row);
});

I use background images for buttons, but it only shows the image the same size as the text, even if I set width and height. Instead, I pad out my text with   characters (non-breaking spaces). I slap in as many as needed, basically, until all the button background appears. So I might have code like this:

In the style sheet:

#v2menu-home {
    background-image:url(../v2-siteimages/button.png);
    background-repeat:no-repeat;
}

In the HTML document:

<div id="v2menu">
    <a id="v2menu-home" href="/index.php">home&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</a>
</div><!-- v2menu -->

Maybe the most concise way:

$ awk '{$(NF+1)=$1;$1=""}sub(FS,"")' infile
United Arab Emirates AE
Antigua & Barbuda AG
Netherlands Antilles AN
American Samoa AS
Bosnia and Herzegovina BA
Burkina Faso BF
Brunei Darussalam BN

Explanation:

$(NF+1)=$1: Generator of a "new" last field.

$1="": Set the original first field to null

sub(FS,""): After the first two actions {$(NF+1)=$1;$1=""} get rid of the first field separator by using sub. The final print is implicit.

The input in the markup is missing "type", the input (text I assume) has the attribute name="name" and ID="cname", the provided code by Ayo calls the input named "cname"* where it should be "name".

Use ViewBag

ViewBag.MyString = "some string";
return View();

In your View

<h1>@ViewBag.MyString</h1>

I know this does not answer your question (it has already been answered), but the title of your question is very vast and can bring any person on this page who is searching for a query for passing a simple string to View from Controller.

In my build.gradle I have the following task, which uses the usual linux proxy settings, HTTP_PROXY and HTTPS_PROXY, from the shell env:

task setHttpProxyFromEnv {
    def map = ['HTTP_PROXY': 'http', 'HTTPS_PROXY': 'https']
    for (e in System.getenv()) {
        def key = e.key.toUpperCase()
        if (key in map) {
            def base = map[key]
            def url = e.value.toURL()
            println " - systemProp.${base}.proxy=${url.host}:${url.port}"
            System.setProperty("${base}.proxyHost", url.host.toString())
            System.setProperty("${base}.proxyPort", url.port.toString())
        }
    }
}

build.dependsOn setHttpProxyFromEnv