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Creating a new column based on if-elif-else condition

... 140 To formalize some of the approaches laid out above: Create a function that operates on the ro...
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Keep only first n characters in a string?

... | edited Apr 12 '14 at 11:37 andrewb 4,80266 gold badges3030 silver badges5151 bronze badges an...
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How can I remove all objects but one from the workspace in R?

...names. – Spacedman May 31 '11 at 16:14 add a comment  |  ...
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How to create the branch from specific commit in different branch

... 148 If you are using this form of the branch command (with start point), it does not matter where ...
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What's a standard way to do a no-op in python?

...R. Bondy 302k110110 gold badges566566 silver badges614614 bronze badges 3 ...
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Python non-greedy regexes

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Nginx not picking up site in sites-enabled?

...ks! – Sander Versluys Nov 15 '13 at 14:11 4 ...
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Is it possible for intellij to organize imports the same way as in Eclipse?

... problem was... – Meo May 19 '15 at 14:07 6 ...
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MySQL: ignore errors when importing?

... answered Sep 10 '14 at 17:21 Craig BoobarCraig Boobar 2,93111 gold badge88 silver badges33 bronze badges ...
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PHP substring extraction. Get the string before the first '/' or the whole string

... | edited Dec 20 '09 at 14:21 answered Dec 20 '09 at 14:11 ...