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How do I find out which DOM element has the focus?
...will return document.body if no element is focused — even if the browser window doesn't have focus.
The following code will work around this issue and fall back to querySelector giving a little better support.
var focused = document.activeElement;
if (!focused || focused == document.body)
fo...
What is the scope of variables in JavaScript?
...xt are added as properties to the global object:
var x = 1
console.log(window.hasOwnProperty('x')) // true
let and const in the global context do not add properties to the global object, but still have global scope:
let x = 1
console.log(window.hasOwnProperty('x')) // false
Funct...
How to tell PowerShell to wait for each command to end before starting the next?
... before starting the next command. One exception to this rule is external Windows subsystem based EXE. The first trick is to pipeline to Out-Null like so:
Notepad.exe | Out-Null
PowerShell will wait until the Notepad.exe process has been exited before continuing. That is nifty but kind of subt...
How to make vim paste from (and copy to) system's clipboard?
... different things. For instance, on systems that don't use X11 like OSX or Windows, the "* register is used to read and write to the system clipboard. On X11 systems both registers can be used. See :help x11-selection for more details, but basically the "* is analogous to X11's _PRIMARY_ selection (...
How to save an image to localStorage and display it on the next page?
...>
Then get the dimensions of your file into the input boxes
var _URL = window.URL || window.webkitURL;
$("#file-input").change(function(e) {
var file, img;
if ((file = this.files[0])) {
img = new Image();
img.onload = function() {
$("#file-h").val(this.height)...
git update-index --assume-unchanged on directory
...Edit: incorporated input from @MatthewScharley regarding git ls-files -z.
Windows Commands
Note: If you're on windows, use Git Bash to run these commands
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WebView and HTML5
...ideo to play inside the WebView frame, instead of opening the Media Player window, but this is for me a secondary issue.
I hope it helps somebody, and I would also thank any comment or suggestion.
Saludos, terrícolas.
sha...
Extreme wait-time when taking a SQL Server database offline
...
In my case I was the rogue with a query analyzer window open
– dellyjm
Jun 16 '15 at 14:03
1
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How do SO_REUSEADDR and SO_REUSEPORT differ?
...l, thus everything that applies to Linux should apply to Android as well.
Windows
Windows only knows the SO_REUSEADDR option, there is no SO_REUSEPORT. Setting SO_REUSEADDR on a socket in Windows behaves like setting SO_REUSEPORT and SO_REUSEADDR on a socket in BSD, with one exception: A socket wi...
Make a div fill the height of the remaining screen space
...nd set the element's height, you need to attach event handlers to both the window onload and onresize so that you can fire your resize function.
Also, assuming your content could be larger than the viewport, you will need to set overflow-y to scroll.
...