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Which is faster: while(1) or while(2)?
This was an interview question asked by a senior manager.
23 Answers
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How does Java handle integer underflows and overflows and how would you check for it?
...back to the maximum value and continues from there.
You can check that beforehand as follows:
public static boolean willAdditionOverflow(int left, int right) {
if (right < 0 && right != Integer.MIN_VALUE) {
return willSubtractionOverflow(left, -right);
} else {
r...
Evaluate empty or null JSTL c tags
How can I validate if a String is null or empty using the c tags of JSTL ?
8 Answers
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Accessing class variables from a list comprehension in the class definition
...les from a list comprehension within the class definition? The following works in Python 2 but fails in Python 3:
5 Answer...
How is the AND/OR operator represented as in Regular Expressions?
I'm currently programming a vocabulary algorithm that checks if a user has typed in the word correctly. I have the following situation:
The correct solution for the word would be "part1, part2".
The user should be able to enter either "part1" (answer 1), "part2" (answer 2) or "part1, part2" (answer ...
Create request with POST, which response codes 200 or 201 and content
...code indicates that the request has been fulfilled and has resulted in one or more new resources being created. The primary resource created by the request is identified by either a Location header field in the response or, if no Location field is received, by the effective request URI.
This mean...
Best practices for circular shift (rotate) operations in C++
Left and right shift operators (>) are already available in C++.
However, I couldn't find out how I could perform circular shift or rotate operations.
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Why is the order in dictionaries and sets arbitrary?
I don't understand how looping over a dictionary or set in python is done by 'arbitrary' order.
6 Answers
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curl : (1) Protocol https not supported or disabled in libcurl
...command rvm install 1.9.2 --with-openssl-dir=/usr/local the following error is received:
12 Answers
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Test for non-zero length string in Bash: [ -n “$var” ] or [ “$var” ]
I've seen Bash scripts test for a non-zero length string in two different ways. Most scripts use the -n option:
6 Answers...