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Get exit code of a background process
...# simulate a long process that will have an identifiable exit code
(sleep 15 ; /bin/false) &
my_pid=$!
while ps | grep " $my_pid " # might also need | grep -v grep here
do
echo $my_pid is still in the ps output. Must still be running.
sleep 3
done
echo Oh, it looks like the pro...
Non-type template parameters
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answered Apr 16 '11 at 15:33
XeoXeo
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...
The differences between .build, .create, and .create! and when should they be used?
...nks.
– Tim Knight
Dec 31 '08 at 20:15
11
Minor clarification on 3 - build does a little more than...
How to RSYNC a single file?
...
159
You do it the same way as you would a directory, but you specify the full path to the filename ...
Understanding the Event Loop
... Peter LyonsPeter Lyons
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1
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What are “named tuples” in Python?
...nt as a tuple (x, y). This leads to code like the following:
pt1 = (1.0, 5.0)
pt2 = (2.5, 1.5)
from math import sqrt
line_length = sqrt((pt1[0]-pt2[0])**2 + (pt1[1]-pt2[1])**2)
Using a named tuple it becomes more readable:
from collections import namedtuple
Point = namedtuple('Point', 'x y')
p...
What does apply_filters(…) actually do in WordPress?
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edited Aug 27 '17 at 11:55
Ahmad Awais
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answere...
What is a provisioning profile used for when developing iPhone applications?
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edited Nov 15 '18 at 13:49
Community♦
111 silver badge
answered Jul 29 '10 at 13:02
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How to pull remote branch from somebody else's repo
...lp!!
– Colin O'Dell
May 4 '11 at 14:54
1
Nice answer in 3 minutes!
– Tieme
...
Declare a constant array
... can get is:
var letter_goodness = [...]float32 {.0817, .0149, .0278, .0425, .1270, .0223, .0202, .0609, .0697, .0015, .0077, .0402, .0241, .0675, .0751, .0193, .0009, .0599, .0633, .0906, .0276, .0098, .0236, .0015, .0197, .0007 }
Note the [...] instead of []: it ensures you get a (fixed size) a...