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How do I replace a character at a particular index in JavaScript?
I have a string, let's say Hello world and I need to replace the char at index 3. How can I replace a char by specifying a index?
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Why should hash functions use a prime number modulus?
...g the "component parts" of the input (characters in the case of a string), and multiplying them by the powers of some constant, and adding them together in some integer type. So for example a typical (although not especially good) hash of a string might be:
(first char) + k * (second char) + k^2 * ...
Hibernate, @SequenceGenerator and allocationSize
...nce by one , multiple this value by 50 (default allocationSize value) - and then uses this value as entity ID.
6 Answers...
Exception thrown in catch and finally clause
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Based on reading your answer and seeing how you likely came up with it, I believe you think an "exception-in-progress" has "precedence". Keep in mind:
When an new exception is thrown in a catch block or finally block that will propagate out of that blo...
How do you manage your gists on GitHub? [closed]
I love GitHub and their gist service, and that's why I'm keeping a lot of code snippets and even development notes as a gist on my GitHub account. It also makes it easy to share them with my colleagues.
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What exactly is nullptr?
We now have C++11 with many new features. An interesting and confusing one (at least for me) is the new nullptr .
14 Answe...
Are typedef and #define the same in c?
I wonder if typedef and #define are the same in c ?
10 Answers
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how to use sed, awk, or gawk to print only what is matched?
I see lots of examples and man pages on how to do things like search-and-replace using sed, awk, or gawk.
11 Answers
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The communication object, System.ServiceModel.Channels.ServiceChannel, cannot be used for communicat
What is this error all about, and how would I go about solving it?
14 Answers
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Why is f(i = -1, i = -1) undefined behavior?
I was reading about order of evaluation violations , and they give an example that puzzles me.
11 Answers
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