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Delete element in a slice
...lly, when defining a function it puts all the arguments that you pass into one slice of that type. By doing that, you can pass as many arguments as you want (for example, fmt.Println can take as many arguments as you want).
Now, when calling a function, ... does the opposite: it unpacks a slice and...
ImportError: No module named matplotlib.pyplot
...
You have two pythons installed on your machine, one is the standard python that comes with Mac OSX and the second is the one you installed with ports (this is the one that has matplotlib installed in its library, the one that comes with macosx does not).
/usr/bin/python
...
ActiveRecord: size vs count
...f you're dealing with more complex queries is there any advantage to using one method over the other? How are they different?
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How do I calculate the date six months from the current date using the datetime Python module?
...am looking to calculate the date 6 months from the current date. Could someone give me a little help doing this?
43 Answers...
Should arrays be used in C++?
...ack C++11 support however. You will have to decide when it's better to use one rather than the other given the lack of std::array
– Nowayz
May 25 '12 at 9:59
4
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Is it possible to have different Git configuration for different projects?
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The .git/config file in a particular clone of a repository is local to that clone. Any settings placed there will only affect actions for that particular project.
(By default, git config modifies .git/config, not ~/.gitconfig - only with --global does it modify t...
What is the difference between “ is None ” and “ ==None ”
...ison any way it chooses, and it
can choose to make comparison against
None mean something (which actually
makes sense; if someone told you to
implement the None object from
scratch, how else would you get it to
compare True against itself?).
Practically-speaking, there is not much diff...
Why is transposing a matrix of 512x512 much slower than transposing a matrix of 513x513?
.... Invariably, transposing a matrix of size 2^n is slower than transposing one of size 2^n+1 . For small values of n , the difference is not major.
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Does use of final keyword in Java improve the performance?
...e it's almost never worth it; YMMV.)
EDIT: As final fields have been mentioned, it's worth bringing up that they are often a good idea anyway, in terms of clear design. They also change the guaranteed behaviour in terms of cross-thread visibility: after a constructor has completed, any final fields...
How to render a DateTime object in a Twig template
One of my fields in one of my entities is a "datetime" variable.
9 Answers
9
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