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How can I reverse a NSArray in Objective-C?
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edited May 24 '17 at 9:07
answered Feb 25 '09 at 15:30
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Unit testing private methods in C#
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274
Yes, don't Test private methods.... The idea of a unit test is to test the unit by its publi...
Is there a way to make git pull automatically update submodules?
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As of Git 2.14, you can use git pull --recurse-submodules (and alias it to whatever you like).
As of Git 2.15, you could set submodule.recurse to true to enable the desired behaviour.
You can do this globally by running:
git config ...
When & why to use delegates? [duplicate]
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286
I agree with everything that is said already, just trying to put some other words on it.
A de...
What is the difference between packaged_task and async
...~future blocks:
std::async(do_work1); // ~future blocks
std::async(do_work2); // ~future blocks
/* output: (assuming that do_work* log their progress)
do_work1() started;
do_work1() stopped;
do_work2() started;
do_work2() stopped;
*/
So if you want real asynchronous you need to k...
On localhost, how do I pick a free port number?
...figure out which port is available? I assume I cannot listen on port 80 or 21?
5 Answers
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Does pandas iterrows have performance issues?
...der of precedence for performance of various operations:
1) vectorization
2) using a custom cython routine
3) apply
a) reductions that can be performed in cython
b) iteration in python space
4) itertuples
5) iterrows
6) updating an empty frame (e.g. using loc one-row-at-a-time)
Using a cu...
In Python, how do you convert a `datetime` object to seconds?
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239
For the special date of January 1, 1970 there are multiple options.
For any other starting da...
How to get the ASCII value of a character
...t; chr(97)
'a'
>>> chr(ord('a') + 3)
'd'
>>>
In Python 2, there is also the unichr function, returning the Unicode character whose ordinal is the unichr argument:
>>> unichr(97)
u'a'
>>> unichr(1234)
u'\u04d2'
In Python 3 you can use chr instead of unichr.
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How to sum array of numbers in Ruby?
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edited Jul 26 '19 at 16:51
Fernando Briano
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