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Javascript and regex: split string and keep the separator
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@PaulJones the content was moved in the intervening time. Thanks for letting me know, I fixed the link.
– Jon
Apr 15 at 16:11
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How to change the order of DataFrame columns?
I have the following DataFrame ( df ):
34 Answers
34
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How costly is .NET reflection?
...) and its performance "penalty" is not a problem, since the operation is something I do during startup of the application.
However, if you're reflecting inside a series of nested loops with reflection calls on each, I'd say you should revisit your code :)
For "a couple of time" operations, reflect...
Multiple Indexes vs Multi-Column Indexes
I've just been adding an Index to a table in SQL Server 2005 and it got me thinking. What is the difference between creating 1 index and defining multiple columns over having 1 index per column you want to index.
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Difference between and ?
Every time I have to add a handler or module for ASP.NET with IIS7, the instructions always tell me to incorporate it into two sections: system.web and system.webserver .
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Difference between id and name attributes in HTML
What is the difference between the id and name attributes? They both seem to serve the same purpose of providing an identifier.
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What is InputStream & Output Stream? Why and when do we use them?
Someone explain to me what InputStream and OutputStream are?
8 Answers
8
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Remove element by id
When removing an element with standard JavaScript, you must go to its parent first:
18 Answers
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Convert php array to Javascript
... be necessary any longer for you
If you don't have PHP 5.2 you can use something like this:
function js_str($s)
{
return '"' . addcslashes($s, "\0..\37\"\\") . '"';
}
function js_array($array)
{
$temp = array_map('js_str', $array);
return '[' . implode(',', $temp) . ']';
}
echo 'var...
Node.js create folder or use existing
I already have read the documentation of Node.js and, unless if I missed something, it does not tell what the parameters contain in certain operations, in particular fs.mkdir() . As you can see in the documentation, it's not very much.
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