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sed command with -i option failing on Mac, but works on Linux
I've successfully used the following sed command to search/replace text in Linux:
12 Answers
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Regex using javascript to return just numbers
If I have a string like "something12" or "something102", how would I use a regex in javascript to return just the number parts?
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Make xargs handle filenames that contain spaces
... command fails because the file "Lemon Tree.mp3" contains spaces and so xargs thinks it's two files. Can I make find + xargs work with filenames like this?
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'this' vs $scope in AngularJS controllers
...on is called, this is the controller.
When a function defined on a $scope object is called, this is the "scope in effect when the function was called". This may (or may not!) be the $scope that the function is defined on. So, inside the function, this and $scope may not be the same.
$scope
Ever...
Is C++ context-free or context-sensitive?
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Below is my (current) favorite demonstration of why parsing C++ is (probably) Turing-complete, since it shows a program which is syntactically correct if and only if a given integer is prime.
So I assert that C++ is neither ...
Regex for quoted string with escaping quotes
How do I get the substring " It's big \"problem " using a regular expression?
16 Answers
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What does the regular expression /_/g mean?
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The regex matches the _ character.
The g means Global, and causes the replace call to replace all matches, not just the first one.
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Calling C++ class methods via a function pointer
How do I obtain a function pointer for a class member function, and later call that member function with a specific object? I’d like to write:
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Rotated elements in CSS that affect their parent's height correctly
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Assuming that you want to rotate 90 degrees, this is possible, even for non-text elements - but like many interesting things in CSS, it requires a little cunning. My solution also technically invokes undefined behaviour according to the CSS 2 spec - so while I've tested and confirme...
What is a monad?
Having briefly looked at Haskell recently, what would be a brief, succinct, practical explanation as to what a monad essentially is?
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