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Is PHP's count() function O(1) or O(n) for arrays?
Does count() really count the all the elements of a PHP array, or is this value cached somewhere and just gets retrieved?
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Is onload equal to readyState==4 in XMLHttpRequest?
I am confuse about the xhr return event, as I can tell, there are not so much different between onreadystatechange --> readyState == 4 and onload, is it true?
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Is there a difference between foo(void) and foo() in C++ or C?
Consider these two function definitions:
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How does the MapReduce sort algorithm work?
One of the main examples that is used in demonstrating the power of MapReduce is the Terasort benchmark . I'm having trouble understanding the basics of the sorting algorithm used in the MapReduce environment.
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Using a remote repository with non-standard port
I am setting up my local git project for a remote repository. The remote repository is being served on a non-standard port (4019).
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How do you commit code as a different user?
I want to be able to do this for a script. I'm essentially re-creating the entire version history of some code in Git - it currently uses a different version control system. I need the script to be able to add in the commits to Git while preserving the commit's original author (and date).
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How to find out which JavaScript events fired?
I have a select list:
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How do you represent a JSON array of strings?
This is all you need for valid JSON, right?
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What does a script-Tag with src AND content mean?
Example from Googles +1 button:
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Min/Max-value validators in asp.net mvc
Validation using attributes in asp.net mvc is really nice. I have been using the [Range(min, max)] validator this far for checking values, like e.g.:
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