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Check if PHP session has already started
I have a PHP file that is sometimes called from a page that has started a session and sometimes from a page that doesn't have session started. Therefore when I have session_start() on this script I sometimes get the error message for "session already started". For that I've put these lines:
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Best practices/guidance for maintaining assembly version numbers
...ferent assembly version numbers for a .NET assembly. The Product version is the simplest, as this seems would normally be dictated by business. Then, the file version seems to be for versioning between deployments, where the actual assembly version is only used when shipping.
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Why not use Double or Float to represent currency?
...been told never to represent money with double or float types, and this time I pose the question to you: why?
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When to encode space to plus (+) or %20?
...he spaces get URL encoded to the + sign, some other times to %20 . What is the difference and why should this happen?
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UITableViewCell with UITextView height in iOS 7?
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First of all, it is very important to note, that there is a big difference between UITextView and UILabel when it comes to how text is rendered. Not only does UITextView have insets on all borders, but also the text layout inside it is slight...
What is bootstrapping?
I keep seeing "bootstrapping" mentioned in discussions of application development. It seems both widespread and important, but I've yet to come across even a poor explanation of what bootstrapping actually is; rather, it seems as though everyone is just supposed to know what it means. I don't, tho...
Creating an API for mobile applications - Authentication and Authorization
...s (iPhone, Android, Symbian, etc). I've been looking into different mechanisms for authentication and authorization for web-based APIs (by studying other implementations). I've got my head wrapped around most of the fundamental concepts but am still looking for guidance in a few areas. The last t...
What is Inversion of Control?
Inversion of Control (IoC) can be quite confusing when it is first encountered.
37 Answers
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What is the difference between attribute and property? [closed]
These seem to mean the same thing. But what term is more appropriate in what context?
11 Answers
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Finding three elements in an array whose sum is closest to a given number
...er S. Now we need to find three different integers in the array, whose sum is closest to the given integer S. If there exists more than one solution, any of them is ok.
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