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How to set an environment variable only for the duration of the script?
On Linux (Ubuntu 11.04) in bash, is it possible to temporarily set an environment variable that will only be different from the normal variable for the duration of the script? For example, in a shell script, making an app that saves to HOME portable by temporarily setting HOME to a folder in the pre...
How to copy part of an array to another array in C#?
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int[] b = new int[3];
Array.Copy(a, 1, b, 0, 3);
a = source array
1 = start index in source array
b = destination array
0 = start index in destination array
3 = elements to copy
sha...
Boolean vs boolean in Java
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edited Mar 2 '18 at 20:11
answered Sep 16 '10 at 16:23
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Magic number in boost::hash_combine
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141
The magic number is supposed to be 32 random bits, where each is equally likely to be 0 or 1, ...
Style child element when hover on parent
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edited Feb 16 '16 at 5:44
Adrien Be
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LEFT OUTER joins in Rails 3
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111
@posts = Post.joins("LEFT OUTER JOIN users ON users.id = posts.user_id").
joins(...
How to parse the AndroidManifest.xml file inside an .apk package
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16 Answers
16
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Are nested span tags OK in XHTML?
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143
Yes it will. You can help yourself by using the w3's validator direct input option:
<!DOCT...