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SVN+SSH, not having to do ssh-add every time? (Mac OS)

... Since macOS 10.12.2 you can use the UseKeychain option. Read more here or look into man ssh_config. UseKeychain On macOS, specifies whether the system should search for passphrases in the user's keychain when attempting to use a particular key. When the passphra...
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How to count TRUE values in a logical vector

...]) [1] 498 While sum(z) is nice and short, for me length(z[z==TRUE]) is more self explaining. Though, I think with a simple task like this it does not really make a difference... If it is a large vector, you probably should go with the fastest solution, which is sum(z). length(z[z==TRUE]) is abo...
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Is it possible to use 'else' in a list comprehension? [duplicate]

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How to redirect stderr to null in cmd.exe

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How to create a directory and give permission in single command

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mysql create user if not exists

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sed one-liner to convert all uppercase to lowercase?

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store and retrieve a class object in shared preference

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Difference between setTimeout with and without quotes and parentheses

...n) pass reference the function has i leaned is copied. and can you tall me more please about the eval please. – user1316123 Apr 25 '12 at 9:44 ...
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SQL Server: What is the difference between CROSS JOIN and FULL OUTER JOIN?

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