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How to extract numbers from a string in Python?
...neral and powerful tool (so you learn something very useful). Speed is somewhat irrelevant in log parsing (it's not some intensive numerical solver after all), the re module is in the standard Python library and it doesn't hurt to load it.
– Ioannis Filippidis
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Programmatically saving image to Django ImageField
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fml... what happens when that parameter is passed in on a linux machine?
– DMac the Destroyer
Dec 10 '11 at 20:46
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How can I grep for a string that begins with a dash/hyphen?
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Use:
grep -- -X
Related: What does a bare double dash mean? (thanks to nutty about natty).
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What is the purpose of the “final” keyword in C++11 for functions?
What is the purpose of the final keyword in C++11 for functions? I understand it prevents function overriding by derived classes, but if this is the case, then isn't it enough to declare as non-virtual your final functions? Is there another thing I'm missing here?
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Are strongly-typed functions as parameters possible in TypeScript?
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What is the point of n in this syntax? Wouldn't the input and output types alone be sufficient?
– Yuhuan Jiang
Mar 7 '17 at 6:25
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How to express a One-To-Many relationship in Django
... the model field types. I'm sure there's a way to do this, so I'm not sure what I'm missing. I essentially have something like this:
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Why use symbols as hash keys in Ruby?
...s a hash, Ruby always applies a hash-function to compute a "hash-key" from whatever key you use. You can imagine something like an MD5-hash. And then Ruby compares those "hashed keys" against each other.
Long answer:
https://web.archive.org/web/20180709094450/http://www.reactive.io/tips/2009/01/1...
Importing from a relative path in Python
...the above method is an easy hack. But anyways I've edited the answer with what I would do these days.
– Dave
Nov 27 '14 at 14:06
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When to use volatile with multi threading?
...cific platforms however do add additional functionality or restrictions to what volatile does. For example, in MSVC 2010 (at least) Acquire and Release semantics do apply to certain operations on volatile variables. From the MSDN:
When optimizing, the compiler must maintain ordering among refe...
Git, rewrite previous commit usernames and emails
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what if I didn't specify an old name or old email? git says "empty ident <> not allowed"
– Griffan
Apr 10 '15 at 21:06
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