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Allow Google Chrome to use XMLHttpRequest to load a URL from a local file
...
startup chrome with --disable-web-security
On Windows:
chrome.exe --disable-web-security
On Mac:
open /Applications/Google\ Chrome.app/ --args --disable-web-security
This will allow for cross-domain requests.
I'm not aware of if this also works for local files, but...
“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 ...
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 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",...
Reconnection of Client when server reboots in WebSocket
...w solution, reworked, I've made use of setInterval attaching the ID to the window object (that way it is available "everywhere"):
var timerID=0;
var socket;
/* Initiate what has to be done */
socket.onopen=function(event){
/* As what was before */
if(window.timerID){ /* a setInterval has been ...
How do I add an icon to a mingw-gcc compiled executable?
In Windows, using mingw's gcc, is there anyway to specify that the output exe file is to take an icon file, so that the exe file shows with that icon in explorer?
...
Preserve line endings
I run sed to do some substitution on windows and I noticed that it automatically converts line endings to Unix (\n). Is there an option to tell sed to use Windows line endings (\r\n) or even better to preserve the line endings from the file?
...
Installing older version of R package
...l, repos=NULL, type="source")
If this doesn't work for you and you're on Windows, the reason is probably the lack of an appropriate tool chain for building/compiling packages. Normally you would install a pre-compiled binary from CRAN but they only archive package sources, not binaries.[1] This me...