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What are best practices for validating email addresses on iOS 2.0
What is the cleanest way to validate an email address that a user enters on iOS 2.0?
13 Answers
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RegEx for Javascript to allow only alphanumeric
I need to find a reg ex that only allows alphanumeric. So far, everyone I try only works if the string is alphanumeric, meaning contains both a letter and a number. I just want one what would allow either and not require both.
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Generate a random point within a circle (uniformly)
I need to generate a uniformly random point within a circle of radius R .
21 Answers
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Check if a string contains a string in C++
I have a variable of type std::string . I want to check if it contains a certain std::string . How would I do that?
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Pandas: drop a level from a multi-level column index?
If I've got a multi-level column index:
7 Answers
7
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Remove an element from a Bash array
I need to remove an element from an array in bash shell.
Generally I'd simply do:
20 Answers
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What is the fastest integer division supporting division by zero no matter what the result is?
Summary:
4 Answers
4
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Calling a Method From a String With the Method's Name in Ruby
How can I do what they are talking about here , but in Ruby?
4 Answers
4
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Animation CSS3: display + opacity
I have got a problem with a CSS3 animation.
15 Answers
15
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Get a random boolean in python?
I am looking for the best way (fast and elegant) to get a random boolean in python (flip a coin).
8 Answers
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