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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 ...
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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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...
ModelState.IsValid == false, why?
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About "can it be that 0 errors and IsValid == false": here's MVC source code from https://github.com/Microsoft/referencesource/blob/master/System.Web/ModelBinding/ModelStateDictionary.cs#L37-L41
public bool IsValid {
get {
return Valu...
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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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...
How to tell which colorscheme a Vim session currently uses
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answered Mar 10 '10 at 19:00
DrAlDrAl
61.8k1010 gold badges9595 silver badges101101 bronze badges
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XPath query to get nth instance of an element
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answered Oct 24 '10 at 15:42
Dimitre NovatchevDimitre Novatchev
225k2626 gold badges273273 silver badges394394 bronze badges
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