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Count the number of occurrences of a character in a string in Javascript
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I have updated this answer. I like the idea of using a match better, but it is slower:
console.log(("str1,str2,str3,str4".match(/,/g) || []).length); //logs 3
console.log(("str1,str2,str3,str4".match(new RegExp("str", "g")) || []).length); //logs 4
jsfiddle
Use a regular expression literal if...
Getting realtime output using subprocess
I am trying to write a wrapper script for a command line program (svnadmin verify) that will display a nice progress indicator for the operation. This requires me to be able to see each line of output from the wrapped program as soon as it is output.
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How do you serve a file for download with AngularJS or Javascript?
...ontent ], { type : 'text/plain' });
$scope.url = (window.URL || window.webkitURL).createObjectURL( blob );
in order to enable the URL:
app = angular.module(...);
app.config(['$compileProvider',
function ($compileProvider) {
$compileProvider.aHrefSanitizationWhitelist(/^\s*(https?|ftp|...
jQuery disable a link
Anyone know how to disable a link in jquery WITHOUT using return false; ?
17 Answers
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force client disconnect from server with socket.io and nodejs
Is there any way to disconnect a client with SocketIO, and literally close the connection? So if someone is connected to my server, and I want to close the connection between them and my server, how would I go about doing that?
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Adjust UILabel height to text
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I've just put this in a playground and it works for me.
Updated for Swift 4.0
import UIKit
func heightForView(text:String, font:UIFont, width:CGFloat) -> CGFloat{
let label:UILabel = UILabel(frame: CGRectMake(0, 0, width, CGFloat.greatestFiniteMagnitud...
Constructor overloading in Java - best practice
There are a few topics similar to this, but I couldn't find one with a sufficient answer.
6 Answers
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Simple way to calculate median with MySQL
...t's the simplest (and hopefully not too slow) way to calculate the median with MySQL? I've used AVG(x) for finding the mean, but I'm having a hard time finding a simple way of calculating the median. For now, I'm returning all the rows to PHP, doing a sort, and then picking the middle row, but sur...
How to run a function when the page is loaded?
... want to run a function when the page is loaded, but I don’t want to use it in the <body> tag.
8 Answers
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How to do relative imports in Python?
...ve imports use a module's __name__ attribute to determine that module's position in the package hierarchy. If the module's name does not contain any package information (e.g. it is set to '__main__') then relative imports are resolved as if the module were a top level module, regardless of where the...