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How can I tell if I'm running in 64-bit JVM or 32-bit JVM (from within a program)?
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Match everything except for specified strings
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This answer would be a lot more useful is you explained it a little. For example: What do "?" and "!" mean? Why do you need capture groups?
– Lii
Dec 23 '14 at 8:51
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Close iOS Keyboard by touching anywhere using Swift
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rsync: how can I configure it to create target directory on server?
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If you have more than the last leaf directory to be created, you can either run a separate ssh ... mkdir -p first, or use the --rsync-path trick as explained here :
rsync -a --rsync-path="mkdir -p /tmp/x/y/z/ && rsync" $source u...
Java String split removed empty values
...set to negative value like
String[] split = data.split("\\|", -1);
Little more details:
split(regex) internally returns result of split(regex, 0) and in documentation of this method you can find (emphasis mine)
The limit parameter controls the number of times the pattern is applied and therefore a...
When should I use the HashSet type?
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I think it's more correct to say that the order of the items in the HashSet is not defined, so don't rely on the iterator's order. If you iterate the set because you are doing something against the items in the set, that is not dangerous ...
Proper way to use **kwargs in Python
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PostgreSQL - how to quickly drop a user with existing privileges
...ivileges granted to the user.
See the postgres docs for DROP ROLE and the more detailed description of this.
Addition:
Apparently, trying to drop a user by using the commands mentioned here will only work if you are executing them while being connected to the same database that the original GRAN...
How to copy from current position to the end of line in vi
...,*,y,$
"*p select clipboard-register paste
",*,p
Check :h registers for more information.
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How to validate date with format “mm/dd/yyyy” in JavaScript?
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