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git rebase fatal: Needed a single revision
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edited Jan 25 '11 at 23:05
answered Jan 25 '11 at 20:09
C...
What exactly is a Maven Snapshot and why do we need it?
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1044
A snapshot version in Maven is one that has not been released.
The idea is that before a 1.0 ...
Create a tar.xz in one command
...member to man tar :)
tar cfJ <archive.tar.xz> <files>
Edit 2015-08-10:
If you're passing the arguments to tar with dashes (ex: tar -cf as opposed to tar cf), then the -f option must come last, since it specifies the filename (thanks to @A-B-B for pointing that out!). In that case, th...
Left-pad printf with spaces
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If you want the word "Hello" to print in a column that's 40 characters wide, with spaces padding the left, use the following.
char *ptr = "Hello";
printf("%40s\n", ptr);
That will give you 35 spaces, then the word "Hello". This is how you format stuff when you know how wide you ...
Is it possible to assign numeric value to an enum in Java?
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public enum EXIT_CODE {
A(104), B(203);
private int numVal;
EXIT_CODE(int numVal) {
this.numVal = numVal;
}
public int getNumVal() {
return numVal;
}
}
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Are static fields open for garbage collection?
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Sergey Maksimenko
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answered Jan 17 '09 at 9:44
bruno condebruno conde
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Can an input field have two labels?
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160
I assume this question is about HTML forms. From the specification:
The LABEL element may be...
MySQL Select Query - Get only first 10 characters of a value
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Using the below line
SELECT LEFT(subject , 10) FROM tbl
MySQL Doc.
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How to check if std::map contains a key without doing insert?
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310
Use my_map.count( key ); it can only return 0 or 1, which is essentially the Boolean result you ...
Any difference between First Class Function and High Order Function
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answered Apr 13 '12 at 13:07
zoulzoul
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