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How do I change my Ruby version using RVM?
... answered Dec 29 '11 at 4:43
donalddonald
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Do copyright dates need to be updated? [closed]
...(almost) everyone else the Berne Convention makes copyright automatic (you don't need a copyright statement... but the claim may make establishing that claim easier).
– Richard
Mar 6 '10 at 15:25
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What is getattr() exactly and how do I use it?
...cases where getattr can be useful.
you can't write object.x, because you don't know in advance which attribute you want (it comes from a string). Very useful for meta-programming.
you want to provide a default value. object.y will raise an AttributeError if there's no y. But getattr(object, 'y', ...
A top-like utility for monitoring CUDA activity on a GPU
...ying to monitor a process that uses CUDA and MPI, is there any way I could do this, something like the command "top" but that monitors the GPU too?
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mysql - how many columns is too many?
...columns won't be needed every time the table is accessed. Then again, if I do this I'm left with having to use joins.
5 An...
Error: “Cannot modify the return value” c#
...warning you about it.
If you want to change just the X value, you need to do something like this:
Origin = new Point(10, Origin.Y);
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How do I create 7-Zip archives with .NET?
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Done and I added an open source project useful too.
– Patrick Desjardins
Oct 21 '08 at 14:17
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Should the hash code of null always be zero, in .NET
...his MSDN entry goes into more detail around the hash code. Poignantly, the documentation does not provide any coverage or discussion of null values at all - not even in the community content.
To address your issue with the enum, either re-implement the hash code to return non-zero, add a default "u...
C# - What does the Assert() method do? Is it still useful?
... and I realize the assert call? I thought it was only for unit tests. What does it do more than breakpoint? Since I can breakpoint, why should I use Assert?
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What is a NullReferenceException, and how do I fix it?
...r just as normal via a. Note that accessing it via a.Value throws an InvalidOperationException instead of a NullReferenceException if a is null - you should do the check beforehand, i.e. if you have another on-nullable variable int b; then you should do assignments like if (a.HasValue) { b = a.Value...