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How do I create a unique ID in Java? [duplicate]
I'm looking for the best way to create a unique ID as a String in Java.
11 Answers
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Case insensitive comparison of strings in shell script
The == operator is used to compare two strings in shell script. However, I want to compare two strings ignoring case, how can it be done? Is there any standard command for this?
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Why is “while ( !feof (file) )” always wrong?
...fsize; (k = write(fd, p, n)) > 0; p += k, n -= k) {}
if (n != 0) { /* error, failed to write complete buffer */ }
The result we use here is k, the number of bytes written. The point here is that we can only know how many bytes were written after the write operation.
POSIX getline()
char *...
jQuery How to Get Element's Margin and Padding?
Just wondering - how using jQuery - I can get an elements formatted total padding and margin etc ? i.e. 30px 30px 30px 30px or 30px 5px 15px 30px etc
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How can I start an interactive console for Perl?
...n OSX 10.10 (Perl 5.18.2) nor on Ubuntu 14.04 (Perl 5.18.2): I get runtime errors complaining about missing modules; installed one, then gave up after another missing module was reported.
– mklement0
Jul 7 '15 at 16:31
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Why should casting be avoided? [closed]
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Casting errors are always reported as run-time errors in java. Using generics or templating turns these errors into compile-time errors, making it much easier to detect when you have made a mistake.
As I said above. This isn't to sa...
How do I save a String to a text file using Java?
In Java, I have text from a text field in a String variable called "text".
24 Answers
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Command to escape a string in bash
...blems with ~. There are also portable sed one-liners stackoverflow.com/a/20053121/1073695
– Jo So
Oct 22 '15 at 1:49
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Why would iterating over a List be faster than indexing through it?
Reading the Java documentation for the ADT List it says:
5 Answers
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