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What's a quick way to test to see a file exists?
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193
Swift v3:
let fileExists = FileManager.default.fileExists(atPath: somePath)
Thanks to Nikolay ...
Check for array not empty: any?
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Marcel JackwerthMarcel Jackwerth
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How to create a unique index on a NULL column?
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willasaywhatwillasaywhat
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What is the theoretical maximum number of open TCP connections that a modern Linux box can have
Assuming infinite performance from hardware, can a Linux box support >65536 open TCP connections?
3 Answers
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Can I use an OR in regex without capturing what's enclosed?
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answered Jul 31 '10 at 15:45
GumboGumbo
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int to hex string
...Sebastian Paaske TørholmSebastian Paaske Tørholm
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git submodule tracking latest
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239
Update March 2013
Git 1.8.2 added the possibility to track branches.
"git submodule" star...
How to switch a user per task or set of tasks?
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answered Mar 30 '14 at 20:58
BrettBrett
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Importing from a relative path in Python
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EDIT Nov 2014 (3 years later):
Python 2.6 and 3.x supports proper relative imports, where you can avoid doing anything hacky. With this method, you know you are getting a relative import rather than an absolute import. The '..' means, go...