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Why are side-effects modeled as monads in Haskell?
...asically impossible. (Think of trying to copy the entire filesystem, for example. Where would you put it?) Therefore, our definition of IO encapsulates the states of the whole world as well.
Composition of "impure" functions
These impure functions are useless if we can't chain them together. Cons...
How to change the background color of the options menu?
...should be the accepted answer, easy and simple.
– Alex Ardavin
Nov 29 '16 at 20:41
4
But this rem...
Is there a literal notation for an array of symbols?
I like this literal expression for an array of strings:
2 Answers
2
...
How do android screen coordinates work?
...
This image presents both orientation(Landscape/Portrait)
To get MaxX and MaxY, read on.
For Android device screen coordinates, below concept will work.
Display mdisp = getWindowManager().getDefaultDisplay();
Point mdispSize = new Point();
mdisp.getSize(mdispSize);
int maxX = mdispSize.x;...
How do I measure request and response times at once using cURL?
...re provided. Times below are in seconds.
Create a new file, curl-format.txt, and paste in:
time_namelookup: %{time_namelookup}s\n
time_connect: %{time_connect}s\n
time_appconnect: %{time_appconnect}s\n
time_pretransfer: %{time_pretransfer}s\n
time_redirect: %{time_red...
Can you define aliases for imported modules in Python?
...
Hmm, when I try to do from name import X (after the alias definition) I get No module named name. Can we import modules from aliases?
– Amelio Vazquez-Reina
Jan 23 '13 at 21:07
...
How can I set the request header for curl?
...eral times:
curl -H "Accept-Charset: utf-8" -H "Content-Type: application/x-www-form-urlencoded" http://www.some-domain.com
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Breaking loop when “warnings()” appear in R
...ptions(warn=1) to restore the default setting.
– Alex Holcombe
May 15 '15 at 1:32
25
The default...
How to create major and minor gridlines with different linestyles in Python
...23, 456, 676, 89, 906, 34, 2345])
Out[9]: [<matplotlib.lines.Line2D at 0x6112f90>]
In [10]: yscale('log')
In [11]: grid(b=True, which='major', color='b', linestyle='-')
In [12]: grid(b=True, which='minor', color='r', linestyle='--')
The gotcha with minor grids is that you have to have min...
Using getopts to process long and short command line options
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