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Returning an array using C
...ely new to C and I need some help with methods dealing with arrays. Coming from Java programming, I am used to being able to say int [] method() in order to return an array. However, I have found out that with C you have to use pointers for arrays when you return them. Being a new programmer, I rea...
How can I convert tabs to spaces in every file of a directory?
... @DavidW. I would simply update this command to only replace tabs from the beginning of the line. find ./ -type f -exec sed -i 's/^\t/####/g' {} \;. But I wasn't aware of the expand command - very useful!
– Martin Konecny
May 7 '14 at 16:08
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How to make a Python script run like a service or daemon in Linux
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Here's a nice class that is taken from here:
#!/usr/bin/env python
import sys, os, time, atexit
from signal import SIGTERM
class Daemon:
"""
A generic daemon class.
Usage: subclass the Daemon class and override the run() method
...
DateTime to javascript date
From another answer on Stackoverflow is a conversion from Javascript date to .net DateTime:
10 Answers
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How do I export UIImage array as a movie?
...ay with several UIImage objects. What I now want to do, is create movie from those UIImages . But I don't have any idea how to do so.
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How to pass arguments and redirect stdin from a file to program run in gdb?
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Pass the arguments to the run command from within gdb.
$ gdb ./a.out
(gdb) r < t
Starting program: /dir/a.out < t
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How to sort my paws?
...nts where it did work to build up a training dataset (of ~2000 paw impacts from ~30 different dogs) to recognize which paw is which, and the problem reduces to a supervised classification (With some additional wrinkles... Image recognition is a bit harder than a "normal" supervised classification pr...
what does the __file__ variable mean/do?
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When a module is loaded from a file in Python, __file__ is set to its path. You can then use that with other functions to find the directory that the file is located in.
Taking your examples one at a time:
A = os.path.join(os.path.dirname(__file__...
How do I efficiently iterate over each entry in a Java Map?
...p.entrySet()) {
i += pair.getKey() + pair.getValue();
}
Using forEach from Java 8
final long[] i = {0};
map.forEach((k, v) -> i[0] += k + v);
Using keySet and foreach
long i = 0;
for (Integer key : map.keySet()) {
i += key + map.get(key);
}
Using keySet and iterator
long i = 0;
Iter...
Suppress Scientific Notation in Numpy When Creating Array From Nested List
... blasted in the face with a page full of numbers.
Full example Demo 1:
from pprint import pprint
import numpy as np
#chaotic python list of lists with very different numeric magnitudes
my_list = [[3.74, 5162, 13683628846.64, 12783387559.86, 1.81],
[9.55, 116, 189688622.37, 260332262.0...