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PHP function to generate v4 UUID
So I've been doing some digging around and I've been trying to piece together a function that generates a valid v4 UUID in PHP. This is the closest I've been able to come. My knowledge in hex, decimal, binary, PHP's bitwise operators and the like is nearly non existant. This function generates a val...
What is the difference between float and double?
I've read about the difference between double precision and single precision. However, in most cases, float and double seem to be interchangeable, i.e. using one or the other does not seem to affect the results. Is this really the case? When are floats and doubles interchangeable? What are the d...
What is the worst real-world macros/pre-processor abuse you've ever come across?
...: A convex mirror mounted above his monitor "For knowing who is watching", and an occasional sudden exit from his chair to do a quick ten pushups. He explained this last one as "Compiler found error in code. This is punishment".
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How to suppress Java warnings for specific directories or files such as generated code
... particular warnings in particular elements, but any annotations I add by hand will be lost when the parser generator runs again. Is there a way to configure Eclipse to suppress warnings for a particular file or directory?
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Git Remote: Error: fatal: protocol error: bad line length character: Unab
I set up a git server and want now to push initially my repo from the client.
I used git push origin master and get this error message:
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Remove all subviews?
...h thanks to cocoafan: This situation is muddled up by the fact that NSView and UIView handle things differently. For NSView (desktop Mac development only), you can simply use the following:
[someNSView setSubviews:[NSArray array]];
For UIView (iOS development only), you can safely use makeObjects...
Unit testing that events are raised in C# (in order)
I have some code that raises PropertyChanged events and I would like to be able to unit test that the events are being raised correctly.
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How can I change the table names when using ASP.NET Identity?
...sion (RTM, not RC) of Visual Studio 2013 (downloaded from MSDN 2013-10-18) and therefore the latest (RTM) version of AspNet.Identity. When I create a new web project, I select "Individual User Accounts" for authentication. This creates the following tables:
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How to find keys of a hash?
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As I understand this Object.prototype.keys will make keys available to all sub-classes of Object, therefore for all objects. Which probably you want to if you're trying to use OOP. Anyway this really depends on your requirements.
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Why is the minimalist, example Haskell quicksort not a “true” quicksort?
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The true quicksort has two beautiful aspects:
Divide and conquer: break the problem into two smaller problems.
Partition the elements in-place.
The short Haskell example demonstrates (1), but not (2). How (2) is done may not be obvious if you don't already know the technique!...