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What is a good regular expression to match a URL? [duplicate]
Currently I have an input box which will detect the URL and parse the data.
6 Answers
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A semantics for Bash scripts?
More than any other language I know, I've "learned" Bash by Googling every time I need some little thing. Consequently, I can patchwork together little scripts that appear to work. However, I don't really know what's going on, and I was hoping for a more formal introduction to Bash as a programmin...
Why doesn't Java offer operator overloading?
Coming from C++ to Java, the obvious unanswered question is why didn't Java include operator overloading?
16 Answers
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What exactly does big Ө notation represent?
I'm really confused about the differences between big O, big Omega, and big Theta notation.
6 Answers
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Change multiple files
The following command is correctly changing the contents of 2 files.
9 Answers
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How to find gaps in sequential numbering in mysql?
We have a database with a table whose values were imported from another system. There is an auto-increment column, and there are no duplicate values, but there are missing values. For example, running this query:
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Why is the asterisk before the variable name, rather than after the type?
Why do most C programmers name variables like this:
12 Answers
12
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JavaScript string encryption and decryption?
I'm interested in building a small app for personal use that will encrypt and decrypt information on the client side using JavaScript. The encrypted information will be stored in a database on a server, but never the decrypted version.
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Break a previous commit into multiple commits
Without creating a branch and doing a bunch of funky work on a new branch, is it possible to break a single commit into a few different commits after it's been committed to the local repository?
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How expensive is RTTI?
I understand that there is a resource hit from using RTTI, but how big is it? Everywhere I've looked just says that "RTTI is expensive," but none of them actually give any benchmarks or quantitative data reguarding memory, processor time, or speed.
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