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Please explain the exec() function and its family
...ich - the return code of fork() provides this information - the child gets 0, the parent gets the PID of the child (if the fork() fails, no child is created and the parent gets an error code).
That way, the parent knows the PID of the child and can communicate with it, kill it, wait for it and so on...
How to unescape HTML character entities in Java?
...ctual Unicode characters
corresponding to the escapes. Supports
HTML 4.0 entities.
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Can constructors throw exceptions in Java?
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answered Sep 3 '09 at 5:30
Jon SkeetJon Skeet
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What are the true benefits of ExpandoObject?
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Capitalize words in string [duplicate]
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disfateddisfated
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What is the difference between ? and Object in Java generics?
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answered Mar 24 '09 at 19:19
Johannes WeissJohannes Weiss
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Deleting all files in a directory with Python
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answered Jan 3 '10 at 16:02
mikumiku
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Easiest way to compare arrays in C#
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edited May 11 at 12:08
Martin Prikryl
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Check if the number is integer
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Another alternative is to check the fractional part:
x%%1==0
or, if you want to check within a certain tolerance:
min(abs(c(x%%1, x%%1-1))) < tol
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How can I get a list of Git branches, ordered by most recent commit?
...t=-committerdate option of git for-each-ref;
Also available since Git 2.7.0 for git branch:
Basic Usage:
git for-each-ref --sort=-committerdate refs/heads/
# Or using git branch (since version 2.7.0)
git branch --sort=-committerdate # DESC
git branch --sort=committerdate # ASC
Result:
Adv...