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How to test which port MySQL is running on and whether it can be connected to?
I have installed MySQL and even logged in there as a user.
13 Answers
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Why isn't there a Guid.IsNullOrEmpty() method
...why Guid in .NET does not have IsNullOrEmpty() method (where empty means all zeros)
6 Answers
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Service Reference Error: Failed to generate code for the service reference
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Have to uncheck the Reuse types in all referenced assemblies from Configure service reference option
Check this for details
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How to properly exit a C# application?
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From MSDN:
Application.Exit
Informs all message pumps that they must terminate, and then closes all application windows after the messages have been processed. This is the code to use if you are have called Application.Run (WinForms applications), this method s...
OO Design in Rails: Where to put stuff
I'm really enjoying Rails (even though I'm generally RESTless), and I enjoy Ruby being very OO. Still, the tendency to make huge ActiveRecord subclasses and huge controllers is quite natural (even if you do use a controller per resource). If you were to create deeper object worlds, where would you p...
Does git return specific return error codes?
...it, it returns non-zero - it doesn't explicitly say what is returned if it all works or if there was a merge conflict.
– Matt Curtis
Feb 7 '11 at 4:12
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Python logging not outputting anything
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@Ben where does it say that? All I can see is "The default level is WARNING, which means that only events of this level and above will be tracked, unless the logging package is configured to do otherwise."
– Omri Barel
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Understanding “randomness”
...iable or its multiplication, you should be aware that while Random() is usually uniformly distributed, Random() * Random() is not.
Example
This is a uniform random distribution sample simulated through a pseudo-random variable:
BarChart[BinCounts[RandomReal[{0, 1}, 50000], 0.01]]
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An algorithm for inflating/deflating (offsetting, buffering) polygons
...re written in Delphi, C++ and C#. It has a very unencumbered Boost license allowing it to be used in both freeware and commercial applications without charge.
Polygon offsetting can be performed using one of three offset styles - squared, round and mitered.
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Array.Copy vs Buffer.BlockCopy
...uffer from one or more severe technical flaws, including not moving memory allocations out of the test loops (which introduces severe GC artifacts), not testing variable vs. deterministic execution flows, JIT warmup, and not tracking intra-test variability. In addition, most answers did not test the...