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Should a function have only one return statement?
Are there good reasons why it's a better practice to have only one return statement in a function?
50 Answers
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Git merge reports “Already up-to-date” though there is a difference
I have a git repository with 2 branches: master and test.
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Keyboard shortcuts in WPF
I know about using _ instead of & , but I'm looking at all the Ctrl + type shortcuts.
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Does Python have a package/module management system?
Does Python have a package/module management system, similar to how Ruby has rubygems where you can do gem install packagename ?
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Why would anyone use set instead of unordered_set?
C++0x is introducing unordered_set which is available in boost and many other places. What I understand is that unordered_set is hash table with O(1) lookup complexity. On the other hand, set is nothing but a tree with log(n) lookup complexity. Why on earth would anyone use set instead ...
How to set auto increment primary key in PostgreSQL?
I have a table in PostgreSQL with 22 columns, and I want to add an auto increment primary key.
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What's the difference between django OneToOneField and ForeignKey?
What's the difference between Django OneToOneField and ForeignKey ?
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How can you check for a #hash in a URL using JavaScript?
I have some jQuery/JavaScript code that I want to run only when there is a hash ( # ) anchor link in a URL. How can you check for this character using JavaScript? I need a simple catch-all test that would detect URLs like these:
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Recursive lambda functions in C++11
I am new to C++11. I am writing the following recursive lambda function, but it doesn't compile.
14 Answers
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Any reason not to use '+' to concatenate two strings?
A common antipattern in Python is to concatenate a sequence of strings using + in a loop. This is bad because the Python interpreter has to create a new string object for each iteration, and it ends up taking quadratic time. (Recent versions of CPython can apparently optimize this in some cases, b...
