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Regex empty string or email
I found a lot of Regex email validation in SO but I did not find any that will accept an empty string. Is this possible through Regex only? Accepting either empty string or email only? I want to have this on Regex only.
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How can I generate a unique ID in Python? [duplicate]
I need to generate a unique ID based on a random value.
8 Answers
8
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Is there a SASS.js? Something like LESS.js?
I have used LESS.js before. It's easy to use, something like
7 Answers
7
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How to get string objects instead of Unicode from JSON?
I'm using Python 2 to parse JSON from ASCII encoded text files.
21 Answers
21
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Should I return EXIT_SUCCESS or 0 from main()?
It's a simple question, but I keep seeing conflicting answers: should the main routine of a C++ program return 0 or EXIT_SUCCESS ?
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Regular Expression for alphanumeric and underscores
I would like to have a regular expression that checks if a string contains only upper and lowercase letters, numbers, and underscores.
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Getting a structural type with an anonymous class's methods from a macro
Suppose we want to write a macro that defines an anonymous class with some type members or methods, and then creates an instance of that class that's statically typed as a structural type with those methods, etc. This is possible with the macro system in 2.10.0, and the type member part is extremely...
Setting default values for columns in JPA
Is it possible to set a default value for columns in JPA, and if, how is it done using annotations?
18 Answers
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Writing a git post-receive hook to deal with a specific branch
Here's my current hook in a bare repo that lives in the company's server:
git push origin master
This hooks pushes to Assembla.
What i need is to push only one branch (master, ideally) when someone pushes changes to that branch on our server, and ignore pushes to other branches. Is it possible to...
Why is C so fast, and why aren't other languages as fast or faster? [closed]
In listening to the StackOverflow podcast, the jab keeps coming up that "real programmers" write in C, and that C is so much faster because it's "close to the machine." Leaving the former assertion for another post, what is special about C that allows it to be faster than other languages? Or put ano...