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How do I get the file extension of a file in Java?
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Do you really need a "parser" for this?
String extension = "";
int i = fileName.lastIndexOf('.');
if (i > 0) {
extension = fileName.substring(i+1);
}
Assuming that you're dealing with simple Windows-like file names, not som...
How to format a string as a telephone number in C#
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Maybe this is what I need after all. may handle the extension better
– Brian G
Dec 30 '08 at 14:44
5
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How to create a table from select query result in SQL Server 2008 [duplicate]
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This doesn't really answer the question. Where is the SELECT query?
– quant
Jan 15 '14 at 6:05
7
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Can every recursion be converted into iteration?
...sive form. Unless there's a compelling reason, you probably shouldn't (manually) convert these functions to an explicitly iterative algorithm. Your computer will handle that job correctly.
I can see one compelling reason. Suppose you've a prototype system in a super-high level language like [donnin...
Useless use of cat?
...my rationale.
I had not meant to be defensive in responding to him. After all, in my younger years, I would have written the command as grep foo file.txt | cut ... | cut ... because whenever you do the frequent single greps you learn the placement of the file argument and it is ready knowledge that...
How many spaces will Java String.trim() remove?
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All of them.
Returns:
A copy of this string with leading and trailing white space removed, or this string if it has no leading or trailing white space.
~ Quoted from Java 1.5.0 docs
(But why didn't you ju...
How to run a single test from a rails test suite?
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I'm personally a fan of the regex form: -n "/good/". Shell escaping is always fun, so I tend to stick to simple regexes, but it's far easier than writing out the full test name all the time.
– Groxx
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Why use #ifndef CLASS_H and #define CLASS_H in .h file but not in .cpp?
...r various reasons. During compilation of your project, each .cpp file (usually) is compiled. In simple terms, this means the compiler will take your .cpp file, open any files #included by it, concatenate them all into one massive text file, and then perform syntax analysis and finally it will conv...
How to debug a referenced dll (having pdb)
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I actually was able to debug a (release-)assembly today that was added as a file reference. Good for me, but how did that happen? MSVC2010, C#, (ASP).NET 4.0, referenced assembly exists as debug+release (but only release-file added...
What is the difference between & and && in Java?
... @Michu93: One example would be if the second condition is a function call which has a side effect that you always need. Since side effects should usually be avoided, there will be only rare cases where you need that, and I can't think of a realistic example at the moment.
–...