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How to find first element of array matching a boolean condition in JavaScript?
...n whether the condition was met once, not by which element (or at what index) it was met. So we have to amend it a little:
function find(arr, test, ctx) {
var result = null;
arr.some(function(el, i) {
return test.call(ctx, el, i, arr) ? ((result = el), true) : false;
});
retu...
Fastest way to check a string contain another substring in JavaScript?
...
You have two possibilites:
Regular expression:
(new RegExp('word')).test(str)
// or
/word/.test(str)
indexOf:
str.indexOf('word') !== -1
Regular expressions seem to be faster (at least in Chrome 10).
Performance test - short haystack
Performance test - l...
Git Push Error: insufficient permission for adding an object to repository database
...
Repair Permissions
After you have identified and fixed the underlying cause (see below), you'll want to repair the permissions:
cd /path/to/repo.git
sudo chgrp -R groupname .
sudo chmod -R g+rwX .
find . -type d -exec chmod g+s '{}' +
Note if you want everyone to be able t...
Is there a printf converter to print in binary format?
I can print with printf as a hex or octal number. Is there a format tag to print as binary, or arbitrary base?
52 Answer...
Incrementing a date in JavaScript
...;
snippet.log("Last day of 2015: " + lastDayOf2015.toISOString());
var nextDay = new Date(+lastDayOf2015);
var dateValue = nextDay.getDate() + 1;
snippet.log("Setting the 'date' part to " + dateValue);
nextDay.setDate(dateValue);
snippet.log("Resulting date: " + nextDay.toISOString());
<!-...
How to convert a negative number to positive?
...
There's also max(n, -n) (just another alternative :)
– tzot
Nov 2 '10 at 18:18
8
...
Handler “ExtensionlessUrlHandler-Integrated-4.0” has a bad module “ManagedPipelineHandler” in its mo
...ervices (IIS) application. You can employ SimpleWorkerRequest directly or extend it.
Also, if you look at the MSDN documentation for the System.Web.Hosting namespace (SimpleWorkerRequest is in this namespace), you will also see something similar to the above (again, emphasis is mine):
The Sys...
Should I use px or rem value units in my CSS? [closed]
...
TL;DR: use px.
The Facts
First, it's extremely important to know that per spec, the CSS px unit does not equal one physical display pixel. This has always been true – even in the 1996 CSS 1 spec.
CSS defines the reference pixel, w...
Git Clone: Just the files, please?
... the first level:
git archive --remote=<repository URL> | tar -t --exclude="*/*"
To list only first-level folders of a remote repo:
git archive --remote=<repository URL> | tar -t --exclude="*/*" | grep "/"
Note: that does not work for GitHub (not supported)
So you would need to cl...
How to identify server IP address in PHP
...No. On some shared hosts this returns ::1
– TheRealChx101
Aug 2 '14 at 6:18
3
This could be incor...