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Remote debugging a Java application
I have a java application running on linux machine. I run the java application using the following:
6 Answers
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How to check that a string is a palindrome using regular expressions?
...s the same words as the regular expression (in the real world, some regexp languages allow for arbitrary functions, these don't count).
It is impossible to build a finite state machine that accepts all palindromes. The proof relies on the facts that we can easily build a string that requires an arb...
Setting Short Value Java
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In Java, integer literals are of type int by default. For some other types, you may suffix the literal with a case-insensitive letter like L, D, F to specify a long, double, or float, respectively. Note it is common practice to ...
How to make “if not true condition”?
...swd) == 0 )) ; then ...`
which also gives you the benefit of using the c-lang based comparison operators, ==,<,>,>=,<=,% and maybe a few others.
In this case, per a comment by Orwellophile, the arithmetic evaluation can be pared down even further, like
if ! (( $(grep -c "sysa" /etc/...
What is this date format? 2011-08-12T20:17:46.384Z
...1-08-12T20:17:46.384Z . What format is this? I'm trying to parse it with Java 1.4 via DateFormat.getDateInstance().parse(dateStr) and I'm getting
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What is the equivalent of the C# 'var' keyword in Java?
...e use of the var keyword in C# is implicit type declaration. What is the Java equivalent syntax for var ?
15 Answers
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javac not working in windows command prompt
I'm trying to use javac with the windows command prompt, but it's not working.
17 Answers
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How can I tell if I'm running in 64-bit JVM or 32-bit JVM (from within a program)?
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"unknown" – Unknown JVM
As described in the HotSpot FAQ:
When writing Java code, how do I distinguish between 32 and 64-bit operation?
There's no public API that allows you to distinguish between 32 and 64-bit operation. Think of 64-bit as just another platform in the write once, run anywhere t...
A Java API to generate Java source files [closed]
I'm looking for a framework to generate Java source files.
15 Answers
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Is there a way to take a screenshot using Java and save it to some sort of image?
Simple as the title states: Can you use only Java commands to take a screenshot and save it? Or, do I need to use an OS specific program to take the screenshot and then grab it off the clipboard?
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