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How do you tell if a string contains another string in POSIX sh?
...eter expansion, so it works in Bash, Dash, KornShell (ksh), Z shell (zsh), etc.
test "${string#*$word}" != "$string" && echo "$word found in $string"
A functionalized version with some examples:
# contains(string, substring)
#
# Returns 0 if the specified string contains the specified su...
Creating virtual directories in IIS express
...dering if I could point it to another file in the style of UserAppSettings etc.
– Ian Grainger
May 17 '13 at 13:50
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How do I call some blocking method with a timeout in Java?
...thods. For reading from the console use Scanner.hasNext() before blocking etc.
If your blocking call is not an IO, but your logic, then you can repeatedly check for Thread.isInterrupted() to check if it was interrupted externally, and have another thread call thread.interrupt() on the blocking thre...
On showing dialog i get “Can not perform this action after onSaveInstanceState”
... start new thread and hence all the lifecycle code i.e. onStart, onResume, etc. called before code runOnUiThread ever run. That mean the state already restore before runOnUiThread called.
– Pongpat
May 6 '15 at 14:48
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I can’t find the Android keytool
...ith the Java SDK. You should find it in the directory that contains javac, etc.
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Should I use int or Int32
...rive an enum from something else besides a intrinsic data type (int, byte, etc.) you will receive an error that looks like: Type byte, sbyte, short, ushort, int, uint, long, or ulong expected.
– raddevus
Dec 3 '10 at 21:17
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Useful GCC flags for C
...
Always use -O or above (-O1, -O2, -Os, etc.). At the default optimization level, gcc goes for compilation speed and doesn't do enough analysis to warn about things like unitialized variables.
Consider making -Werror policy, as warnings that don't stop the compila...
How to handle configuration in Go [closed]
...s setting activated?", "what does it do?", "what are valid values for it?" etc).
– Darian Moody
Jan 22 '15 at 2:04
7
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How to make sure that string is valid JSON using JSON.NET
...e
{
return false;
}
}
The reason to add checks for { or [ etc was based on the fact that JToken.Parse would parse the values such as "1234" or "'a string'" as a valid token. The other option could be to use both JObject.Parse and JArray.Parse in parsing and see if anyone of them suc...
Different bash prompt for different vi editing mode?
...the current editing mode.
So putting
set show-mode-in-prompt on
into /etc/inputrc or ~/.inputrc (thx stooj) should affect all your readline-enabled programs ;)
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