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“Variable” variables in Javascript?
...ider that). It is possible to access some global variables dynamically via window, but that doesn't work for variables local to a function. Global variables that do not become a property of window are variables defined with let and const, and classes.
There is almost always a better solution than u...
Stop/Close webcam which is opened by navigator.getUserMedia
...ces.getUserMedia({audio:true,video:true})
.then(stream => {
window.localStream = stream;
})
.catch( (err) =>{
console.log(err);
});
// later you can do below
// stop both video and audio
localStream.getTracks().forEach( (track) => {
track.stop();
});
// stop ...
Redirecting Output from within Batch file
...le
some_command ^| TEE.BAT [ -a ] filename
@ECHO OFF
:: Check Windows version
IF NOT "%OS%"=="Windows_NT" GOTO Syntax
:: Keep variables local
SETLOCAL
:: Check command line arguments
SET Append=0
IF /I [%1]==[-a] (
SET Append=1
SHIFT
)
IF [%1]==[] GOTO Syntax
IF NOT...
What are the ways to make an html link open a folder
...
Do you want to open a shared folder in Windows Explorer? You need to use a file: link, but there are caveats:
Internet Explorer will work if the link is a converted UNC path (file://server/share/folder/).
Firefox will work if the link is in its own mangled form ...
Can I read the hash portion of the URL on my server-side application (PHP, Ruby, Python, etc.)?
...d within the URL via javascript using, as an example:
<script>alert(window.location.hash);</script>
The parse_url() function in PHP can work if you already have the needed URL string including the fragment (http://codepad.org/BDqjtXix):
<?
echo parse_url("http://foo?bar#fizzbuzz",...
How to turn on line numbers in IDLE?
...
Version 3.8 or newer:
To show line numbers in the current window, go to Options and click Show Line Numbers.
To show them automatically, go to Options > Configure IDLE > General and check the Show line numbers in new windows box.
Version 3.7 or older:
Unfortunately there is no...
What does WISC (stack) mean? [closed]
...
Or WISA:
Windows, IIS, SQL Server, ASP.net
I don't know why anyone would want to call it WISC, as these people are essentially saying "We will never ever use VB.NET, IronPython, IronRuby, F# or any other .NET Language". Also calling ...
How to modify the keyboard shortcuts in Eclipse IDE?
...
Window > Preferences > General > Keys
In particular, edit the "Run Ant Build" command.
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