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Run cron job only if it isn't already running
...-one
then add run-one before your crontab script
*/20 * * * * * run-one python /script/to/run/awesome.py
Check out this askubuntu SE answer. You can find link to a detailed information there as well.
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How to return 2 values from a Java method?
... which still stands "how to return 2 values from method just like we do in Python".
– Anum Sheraz
Jul 11 '18 at 17:12
4
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UIButton custom font vertical alignment
...r the Nth time, I thought I'd post the simplest solution I've found: using Python FontTools.
Install Python 3 if it's not available on your system.
Install FontTools
pip3 install fonttools
FontTools include a TTX tool which enables conversion to and from XML.
Convert your font to .ttx in the sam...
if/else in a list comprehension
How can I do the following in Python?
11 Answers
11
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Deleting queues in RabbitMQ
...s, you may need to install them first.
On Ubuntu:
$ sudo apt-get install python-pip git-core
On Debian:
$ sudo apt-get install python-setuptools git-core
$ sudo easy_install pip
On Windows: To install easy_install, run the MS Windows Installer for setuptools
> easy_install pip
> pip in...
Named string formatting in C#
...ues.
var Stuff = new Dictionary<string, object> {
{ "language", "Python" },
{ "#", 2 }
};
var Formatter = new DictionaryFormatProvider();
// Interpret {0:x} where {0}=IDictionary and "x" is hash key
Console.WriteLine string.Format(Formatter, "{0:language} has {0:#} quote types", Stuff)...
What are the rules for evaluation order in Java?
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Am I correct that C++ doesn't guarantee this? What about Python?
– Neil G
Jul 23 '11 at 21:05
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How do I get the path of a process in Unix / Linux
...ath /proc to get the folder you hopefully need.
Here's a short example in Python:
import os
print os.path.join('/proc', str(os.getpid()))
Here's the example in ANSI C as well:
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
int
main(in...
Subprocess changing directory
...g cd .. in a child shell process using subprocess won't change your parent Python script's working directory i.e., the code example in @glglgl's answer is wrong. cd is a shell builtin (not a separate executable), it can change the directory only in the same process.
...
Is there YAML syntax for sharing part of a list or map?
...<<", nor the phrase "key type". The << syntax does work in the Python yaml package though. Do you know where I can find out more about these sorts of extra features?
– Ben
Mar 2 '12 at 0:18
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