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How can I check if multiplying two numbers in Java will cause an overflow?
...ase where multiplying two numbers together causes an overflow. The code looks something like this:
14 Answers
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JavaScript: Object Rename Key
Is there a clever (i.e. optimized) way to rename a key in a javascript object?
23 Answers
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Why does ConcurrentHashMap prevent null keys and values?
...t nulls aren't allowed in ConcurrentMaps
(ConcurrentHashMaps, ConcurrentSkipListMaps) is that ambiguities that
may be just barely tolerable in non-concurrent maps can't be
accommodated. The main one is that if map.get(key) returns null, you
can't detect whether the key explicitly maps to nul...
How to reload a page using JavaScript
...
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UTF-8 all the way through
...n the past on existing servers and always seem to end up having to fall back to ISO-8859-1.
15 Answers
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Moving from CVS to Git: $Id$ equivalent?
I read through a bunch of questions asking about simple source code control tools and Git seemed like a reasonable choice. I have it up and running, and it works well so far. One aspect that I like about CVS is the automatic incrementation of a version number.
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throws Exception in finally blocks
...there an elegant way to handle exceptions that are thrown in finally block?
15 Answers
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Correct Bash and shell script variable capitalization
...tion avoids accidentally overriding environmental and internal variables.
Keeping to this convention, you can rest assured that you don't need to know every environment variable used by UNIX tools or shells in order to avoid overwriting them. If it's your variable, lowercase it. If you export it,...
See line breaks and carriage returns in editor
Does anyone know of a text editor on Linux that allows me to see line breaks and carriage returns? Does Vim support this feature?
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Why do people still use primitive types in Java?
...; i++) {
sum += i;
}
System.out.println(sum);
}
and it takes 43 seconds to run. Taking the Long into the primitive brings it down to 6.8 seconds... If that's any indication why we use primitives.
The lack of native value equality is also a concern (.equals() is fairly verbose comp...