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How do I convert a byte array to Base64 in Java?
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How to specify the order of CSS classes?
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The order in which the attributes are overwritten is not determined by the order the classes ar...
Convert timedelta to total seconds
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Use timedelta.total_seconds().
>>> import datetime
>>> datetime.timedelta(s...
Java: int array initializes with nonzero elements
...ed with a situation where it is not. Such a behavior occurs first in JDK 7u4 and also occurs in all later updates (I use 64-bit implementation). The following code throws exception:
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Select 50 items from list at random to write to file
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jQuery: checking if the value of a field is null (empty)
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answered Nov 22 '10 at 10:47
GuffaGuffa
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grepping using the “|” alternative operator
The following is a sample of a large file named AT5G60410.gff:
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Use of ~ (tilde) in R programming Language
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SpacedmanSpacedman
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C# - Selectively suppress custom Obsolete warnings
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How to change a command line argument in Bash?
...to reset all arguments. To change e.g. $3:
$ set -- "${@:1:2}" "new" "${@:4}"
Basically you set all arguments to their current values, except for the one(s) that you want to change. set -- is also specified by POSIX 7.
The "${@:1:2}" notation is expanded to the two (hence the 2 in the notation) ...