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What is __future__ in Python used for and how/when to use it, and how it works
__future__ frequently appears in Python modules. I do not understand what __future__ is for and how/when to use it even after reading the Python's __future__ doc .
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Random number generator only generating one random number
..., max);
}
}
Edit (see comments): why do we need a lock here?
Basically, Next is going to change the internal state of the Random instance. If we do that at the same time from multiple threads, you could argue "we've just made the outcome even more random", but what we are actually doing is ...
How to create fixed space and flexible space bar button items programmatically?
I want to create UIBarButtonItems programmatically and place these fixed space items between buttons.
7 Answers
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How do I define a method which takes a lambda as a parameter in Java 8?
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Lambdas are purely a call-site construct: the recipient of the lambda does not need to know that a Lambda is involved, instead it accepts an Interface with the appropriate method.
In other words, you define or use a functional interface (i.e. an ...
Best practice for partial updates in a RESTful service
...system and I am trying to find the best practice for updating records partially. For example, I want the caller to be able to read the full record with a GET request. But for updating it only certain operations on the record are allowed, like change the status from ENABLED to DISABLED. (I have more ...
How do I activate a virtualenv inside PyCharm's terminal?
...with multiple projects, each which might have a different virtualenv, I'd call the ".pycharmrc" file something different, and perhaps put it into the env directory itself. ~/pycharmenv/bin/terminalactivate sounds like a good option.
– Chris Cogdon
Mar 10 '14 at...
How to insert element into arrays at specific position?
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The second array does have an order... All arrays have, as they're also double linked lists.
– Artefacto
Jul 28 '10 at 16:06
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Pass parameters in setInterval function
...=9, Opera>=11.60, Safari>=5.1 (Source: developer.mozilla.org/ca/docs/Web/JavaScript/Reference/…)
– Roger Veciana
Jun 15 '16 at 11:41
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Can I use git diff on untracked files?
...The upshot is that your "untracked" file now becomes a modification to add all the content to this zero-length file, and that shows up in the "git diff" output.
git diff
echo "this is a new file" > new.txt
git diff
git add -N new.txt
git diff
diff --git a/new.txt b/new.txt
index e69de29..3b2ae...
Identify if a string is a number
...ld use double.TryParse, since we want to know if it represents a number at all.
– John Gietzen
May 21 '09 at 18:31
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