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Redefining NULL
...sting a 0 constant to a pointer value must result in a NULL pointer (§6.3.2.3/3), and evaluating the null pointer as a boolean must be false. This can be a bit awkward if you really do want a zero address, and NULL is not the zero address.
Nevertheless, with (heavy) modifications to the compiler a...
Can I change a private readonly field in C# using reflection?
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152
You can:
typeof(Foo)
.GetField("bar",BindingFlags.Instance|BindingFlags.NonPublic)
.SetVa...
Can table columns with a Foreign Key be NULL?
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251
Yes, you can enforce the constraint only when the value is not NULL. This can be easily tested...
What is the right way to override a setter method in Ruby on Rails?
I am using Ruby on Rails 3.2.2 and I would like to know if the following is a "proper"/"correct"/"sure" way to override a setter method for a my class attribute.
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How to center horizontally div inside parent div
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answered Dec 23 '09 at 11:39
Mark EmblingMark Embling
12k55 gold badges3636 silver badges5252 bronze badges
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Print commit message of a given commit in git
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edited Jul 28 '10 at 20:53
answered Jul 28 '10 at 20:47
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Cross compile Go on OSX?
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162
With Go 1.5 they seem to have improved the cross compilation process, meaning it is built in now...
How do I add files without dots in them (all extension-less files) to the gitignore file?
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121
You can try a combination similar to:
*
!/**/
!*.*
That gitignore exclusion rule (a negated ...
How do I create a custom Error in JavaScript?
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23 Answers
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Why is $$ returning the same id as the parent process?
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224
$$ is defined to return the process ID of the parent in a subshell; from the man page under "S...