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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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Web Config Transformation to add a child element

I've got the following configuration in web.config: 2 Answers 2 ...
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What is the maximum possible length of a query string?

Is it browser dependent? Also, do different web stacks have different limits on how much data they can get from the request? ...
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Why can't I use an alias in a DELETE statement?

In SQL Server Compact Edition in Visual Studio 2010 (maybe SQL Server and SQL in general, I don't know), this command works: ...
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HTML table with 100% width, with vertical scroll inside tbody [duplicate]

How can I set for <table> 100% width and put only inside <tbody> vertical scroll for some height? 13 Answer...
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How do I determine the size of my array in C?

How do I determine the size of my array in C? 22 Answers 22 ...
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Append a Lists Contents to another List C#

I have the following: 6 Answers 6 ...
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iPhone Data Usage Tracking/Monitoring

I've searched over this topic but found very few details which were helpful. With these details I've tried to cook some code as follows. ...
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Learning Ant path style

Where can I find resources to learn Ant path style conventions? I've gone to the Ant site itself, but couldn't find any information on path styles. ...
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Custom toast on Android: a simple example

I'm new to Android programming. What is a simple example showing a custom toast notification on Android? 17 Answers ...