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How do I test for an empty string in a Bash case statement?
...
#!/usr/local/bin/bash
# testcase.sh
case "$1" in
abc)
echo "this $1 word was seen."
;;
"")
echo "no $1 word at all was seen."
;;
*)
echo "any $1 word was seen."
;;
esac
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Smart way to truncate long strings
...p;' : str;
};
If by 'more sophisticated' you mean truncating at the last word boundary of a string then you need an extra check.
First you clip the string to the desired length, next you clip the result of that to its last word boundary
function truncate( str, n, useWordBoundary ){
if (str.len...
How do I generate a random int number?
...des his choice, it can be favorite color , lucky color and so on. In other words some initial trigger which we term in RANDOM as SEED.This SEED is the beginning point, the trigger which instigates him to select the RANDOM value.
Now if a SEED is easy to guess then those kind of random numbers are te...
Difference between hard wrap and soft wrap?
...re-flowed into a nice paragraph if you come back later and edit/add/remove words later on. (You can do this manually in emacs with M-q.)
This is rather annoying, since obsessive compulsive people like me then go back and have to manually re-insert the hard breaks at the appropriate points.
On the...
What is the difference between Serialization and Marshaling?
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Is there a word that means serialize and deserialize at the same time? Need a name for an interface with those methods.
– raffian
Jul 20 '14 at 3:53
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Windows x64编程中寄存器的使用 - C/C++ - 清泛网 - 专注C/C++及内核技术
...xtFile(HWND hEdit, LPCTSTR szFileName)
{
HANDLE hFile;
DWORD dwFileSize;
DWORD dwFileSizeHigh;
LPTSTR lpFileText;
LPTSTR lpFileTextW;
WORD wSignature;
DWORD dwReadSize;
hFile = CreateFile(szFileName, GENERIC_READ, FILE_SHARE_...
Why are two different concepts both called “heap”?
...term "heap" in relation to priority queues is the traditional sense of the word.
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What is an OS kernel ? How does it differ from an operating system? [closed]
... Are compilers and text editors really part of the Operating System? Word is a glorified text editor - is that part of the OS?
– jon-hanson
Jan 6 '10 at 16:35
6
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Break or return from Java 8 stream forEach?
...th you, I wrote that I did not like the "Exception solution". However your wording "This is not possible with forEach" was technically incorrect. I also prefer your solution, however I can imagine use cases where the solution provided in my answer is preferable: when the loop should be ended because...
Get all non-unique values (i.e.: duplicate/more than one occurrence) in an array
... out.push(i);
}
return out;
}
Source:
http://dreaminginjavascript.wordpress.com/2008/08/22/eliminating-duplicates/
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