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Count the number of occurrences of a character in a string in Javascript
...a regular expression literal if you know what you are searching for beforehand, if not you can use the RegExp constructor, and pass in the g flag as an argument.
match returns null with no results thus the || []
The original answer I made in 2009 is below. It creates an array unnecessarily, but us...
Batch file to delete files older than N days
...ll files older than 7 days in a batch file. I've searched around the web, and found some examples with hundreds of lines of code, and others that required installing extra command line utilities to accomplish the task.
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What is the purpose of the word 'self'?
What is the purpose of the self word in Python? I understand it refers to the specific object created from that class, but I can't see why it explicitly needs to be added to every function as a parameter. To illustrate, in Ruby I can do this:
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jquery save json data object in cookie
...ta(JSON.parse($.cookie("basket-data")));
This relies on JSON.stringify() and JSON.parse() to serialize/deserialize your data object, for older browsers (IE<8) include json2.js to get the JSON functionality. This example uses the jQuery cookie plugin
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Build a simple HTTP server in C [closed]
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Or use inetd and skip the networking part.
– jrockway
Dec 30 '09 at 7:21
22
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PHP: Storing 'objects' inside the $_SESSION
I just figured out that I can actually store objects in the $_SESSION and I find it quite cool because when I jump to another page I still have my object. Now before I start using this approach I would like to find out if it is really such a good idea or if there are potential pitfalls involved....
Best way to detect that HTML5 is not supported
The standard way to deal with situations where the browser does not support the HTML5 <canvas> tag is to embed some fallback content like:
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How to get certain commit from GitHub project
... Next, change into the newly cloned repository:
cd facebook-ios-sdk
... and use git checkout <COMMIT> to change to the right commit:
git checkout 91f25642453
That will give you a warning, since you're no longer on a branch, and have switched directly to a particular version. (This is kn...
How to stop /#/ in browser with react-router?
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For the versions 1, 2 and 3 of react-router, the correct way to set the route to URL mapping scheme is by passing a history implementation into the history parameter of <Router>. From the histories documentation:
In a nutshell, a history...
How to search a string in multiple files and return the names of files in Powershell?
I have started learning powershell a couple of days ago, and I couldn't find anything on google that does what I need so please bear with my question.
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