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recursion versus iteration
Is it correct to say that everywhere recursion is used a for loop could be used? And if recursion is usually slower what is the technical reason for ever using it over for loop iteration?
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How do I expire a PHP session after 30 minutes?
I need to keep a session alive for 30 minutes and then destroy it.
15 Answers
15
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What is the difference between Numpy's array() and asarray() functions?
...you use one rather than the other? They seem to generate identical output for all the inputs I can think of.
6 Answers
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Why do x86-64 instructions on 32-bit registers zero the upper part of the full 64-bit register?
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I'm not AMD or speaking for them, but I would have done it the same way. Because zeroing the high half doesn't create a dependency on the previous value, that the CPU would have to wait on. The register renaming mechanism would essential...
SVN Repository Search [closed]
...here any good software that will allow me to search through my SVN respository for code snippets? I found 'FishEye' but the cost is 1,200 and well outside my budget.
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difference between throw and throw new Exception()
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throw; rethrows the original exception and preserves its original stack trace.
throw ex; throws the original exception but resets the stack trace, destroying all stack trace information until your catch block.
NEVER write throw ex;
throw new E...
How do I make and use a Queue in Objective-C?
...ctAtIndex:0];
if (headObject != nil) {
[[headObject retain] autorelease]; // so it isn't dealloc'ed on remove
[self removeObjectAtIndex:0];
}
return headObject;
}
// Add to the tail of the queue (no one likes it when people cut in line!)
- (void) enqueue:(id)anObject {
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How to use relative/absolute paths in css URLs?
I have a production and development server.
The problem is the directory structure.
3 Answers
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How do I add a simple jQuery script to WordPress?
I read the Codex and a few blog posts about using jQuery in WordPress, and its very frustrating. I've got as far as loading jQuery in functions.php file, but all of the guides out there are crappy because they assume you already have a ton of WordPress experience. For instance, they say that now t...
Display current date and time without punctuation
For example, I want to display current date and time as the following format:
5 Answers
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