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Regex to match only letters
How can I write a regex that matches only letters?
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How does the Brainfuck Hello World actually work?
Someone sent this to me and claimed it is a hello world in Brainfuck (and I hope so...)
6 Answers
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How can I create Min stl priority_queue?
The default stl priority queue is a Max one (Top function returns the largest element).
8 Answers
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Sublime Text 2 multiple line edit
I want to edit multiple lines and every "word" within that line. For example:
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Generate all permutations of a list without adjacent equal elements
When we sort a list, like
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Inline comments for Bash?
I'd like to be able to comment out a single flag in a one-line command. Bash only seems to have from # till end-of-line comments. I'm looking at tricks like:
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Most efficient conversion of ResultSet to JSON?
The following code converts a ResultSet to a JSON string using JSONArray and JSONObject .
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Grouping functions (tapply, by, aggregate) and the *apply family
Whenever I want to do something "map"py in R, I usually try to use a function in the apply family.
10 Answers
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How do exceptions work (behind the scenes) in c++
I keep seeing people say that exceptions are slow, but I never see any proof. So, instead of asking if they are, I will ask how do exceptions work behind the scenes, so I can make decisions of when to use them and whether they are slow.
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What do the result codes in SVN mean?
What do the result codes in SVN mean? I need a quick reference.
9 Answers
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