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Python argparse mutual em>x m>clusive group
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add_mutually_em>x m>clusive_group doesn't make an entire group mutually em>x m>clusive. It makes options within the group mutually em>x m>clusive.
What you're looking for is subcommands. Instead of prog [ -a m>x m>m>x m>m>x m>m>x m> | [-b yyy -c zzz]], you'd have:
prog
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Why does this assert throw a format em>x m>ception when comparing structures?
...quality of two System.Drawing.Size structures, and I'm getting a format em>x m>ception instead of the em>x m>pected assert failure.
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Python list directory, subdirectory, and files
...files in the directory and subdirectories matching some pattern (*.py for em>x m>ample):
import os
from fnmatch import fnmatch
root = '/some/directory'
pattern = "*.py"
for path, subdirs, files in os.walk(root):
for name in files:
if fnmatch(name, pattern):
print os.path.join(p...
How to create a Menubar application for Mac
...om/articles/mactech/Vol.22/22.02/Menulet - here's a sample code with some em>x m>planation.
– SteamTrout
Aug 5 '10 at 6:46
2
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Why are side-effects modeled as monads in Haskell?
...asically impossible. (Think of trying to copy the entire filesystem, for em>x m>ample. 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 center a subview of UIView
... yourView.frame.size.height / 2);
Swift
yourSubView.center = CGPoint(m>x m>: yourView.frame.size.width / 2,
y: yourView.frame.size.height / 2)
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How do you create a random string that's suitable for a session ID in PostgreSQL?
...ength:
Create or replace function random_string(length integer) returns tem>x m>t as
$$
declare
chars tem>x m>t[] := '{0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V,W,m>X m>,Y,Z,a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,m>x m>,y,z}';
result tem>x m>t := '';
i integer := 0;
begin
if length <...
Python: Select subset from list based on indem>x m> set
...t use from itertools import izip and use that instead of zip in the first em>x m>ample. That creates an iterator, same as Python 3.
– Chris B.
Jul 5 '10 at 20:34
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What does glLoadIdentity() do in OpenGL?
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The identity matrim>x m>, in terms of the projection and modelview matrices, essentially resets the matrim>x m> back to its default state.
As you hopefully know, glTranslate and glRotate are always relative to the matrim>x m>'s current state. So for instanc...
With bash, how can I pipe standard error into another process?
... the file as follows:
process1 2> >(process2)
Here is a concrete em>x m>ample that sends stderr to both the screen and appends to a logfile
sh myscript 2> >(tee -a errlog)
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