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How to create ENUM type in SQLite?

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Difference between Python datetime vs time modules

... the time module is principally for working with unix time stamps; expressed as a floating point number taken to be seconds since the unix epoch. the datetime module can support many of the same operations, but provides a more object oriented set of types, and al...
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Select something that has more/less than x character

...of characters of the specified string expression, excluding trailing blanks. Here's the link to the MSDN For oracle/plsql you can use Length(), mysql also uses Length. Here is the Oracle documentation: http://www.techonthenet.com/oracle/functions/length.php And here is the mySQL Documentatio...
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Adding a public key to ~/.ssh/authorized_keys does not log me in automatically

I added the public SSH key to the authorized_keys file. ssh localhost should log me in without asking for the password. ...
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Vertically align an image inside a div with responsive height

...me time: Vertical Alignment 1) In this approach, we create an inline-block (pseudo-)element as the first (or last) child of the parent, and set its height property to 100% to take all the height of its parent. 2) Also, adding vertical-align: middle keeps the inline(-block) elements at the middle ...
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Regex: Specify “space or start of string” and “space or end of string”

Imagine you are trying to pattern match "stackoverflow". 4 Answers 4 ...
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linux: kill background task

How do I kill the last spawned background task in linux? 8 Answers 8 ...
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python generator “send” function purpose?

...eful, one of the best use cases I've seen is Twisted's @defer.inlineCallbacks. Essentially it allows you to write a function like this: @defer.inlineCallbacks def doStuff(): result = yield takesTwoSeconds() nextResult = yield takesTenSeconds(result * 10) defer.returnValue(nextResult / 1...
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How does IPython's magic %paste work?

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How can I list (ls) the 5 last modified files in a directory?

I know ls -t will list all files by modified time. But how can I limit these results to only the last n files? 5 Answe...