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How do I implement a callback in PHP?
How are callbacks written in PHP?
9 Answers
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SVN repository backup strategies
...aremon: I suggest you read the replies to the posts you linked to, specifically the one that mentions svnadmin dump doesn't include the repo's control files.
– Powerlord
Oct 20 '09 at 15:00
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How do I calculate tables size in Oracle
Being used to (and potentially spoiled by) MSSQL, I'm wondering how I can get at tables size in Oracle 10g.
I have googled it so I'm now aware that I may not have as easy an option as sp_spaceused. Still the potential answers I got are most of the time outdated or don't work. Probably because I'm no...
How to get MD5 sum of a string using python?
In the Flickr API docs , you need to find the MD5 sum of a string to generate the [api_sig] value.
6 Answers
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What is the difference between char * const and const char *?
... C-only, sorry for the C++ code link, I got here from a C++ question) It's all about the C declaration syntax, with a ("pure") type part followed by a declarator. In "int const *foo, *volatile bar" the type part is int const (stops before the *) and the declarators are *foo (the expression *foo will...
NSURLRequest setting the HTTP header
I need to set the HTTP header for a request. In the documentation for the NSURLRequest class I didn't find anything regarding the HTTP header. How can I set the HTTP header to contain custom data?
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SQL - using alias in Group By
...ceptions though: MySQL and Postgres seem to have additional smartness that allows it.
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Listen for key press in .NET console app
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Use Console.KeyAvailable so that you only call ReadKey when you know it won't block:
Console.WriteLine("Press ESC to stop");
do {
while (! Console.KeyAvailable) {
// Do something
}
} while (Console.ReadKey(true).Key != ConsoleKey.Escape);
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Split array into chunks
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Nope, the last chunk should just be smaller than the others.
– Blazemonger
Jul 22 '14 at 23:27
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From an array of objects, extract value of a property as array
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Check out Lodash's _.pluck() function or Underscore's _.pluck() function. Both do exactly what you want in a single function call!
var result = _.pluck(objArray, 'foo');
Update: _.pluck() has been removed as of Lodash v4.0.0, in favour of _...