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Correct way to define Python source code encoding
...k the docs here:
"If a comment in the first or second line of the Python script matches the regular expression coding[=:]\s*([-\w.]+), this comment is processed as an encoding declaration"
"The recommended forms of this expression are
# -*- coding: <encoding-name> -*-
which is recognized...
Does ARC support dispatch queues?
...
And now for the long answer…
If your deployment target is lower than iOS 6.0 or Mac OS X 10.8
You need to use dispatch_retain and dispatch_release on your queue. ARC does not manage them.
If your deployment target is iOS 6.0 or Mac OS X 10.8 or later
ARC will manage your queue for you. Yo...
Can I have multiple Xcode versions installed?
...and back again when done. It's a ball-ache, but seems to work.
This shell script simplifies it a bit…
xcode-version.sh
cd /Applications
if [[ $1 = "-8" ]]
then
if [ -e Xcode_8.app ]
then
mv Xcode.app Xcode_7.app
mv Xcode_8.app Xcode.app
echo "Swit...
PHP parse/syntax errors; and how to solve them
...php,
or even .user.ini with FastCGI setups.
Enabling it within the broken script is too late because PHP can't even interpret/run the first line. A quick workaround is crafting a wrapper script, say test.php:
<?php
error_reporting(E_ALL);
ini_set("display_errors", 1);
include("./broken...
Error: could not find function … in R
...s for R, to be sure about shared libraries
It's good to periodically run a script that just loads every package needed and does some little test. This catches the package issue as early as possible in the workflow. This is akin to build testing or unit testing, except it's more like a smoke test t...
How to write multiple line string using Bash with variables?
...
I'm using Mac OS and to write multiple lines in a SH Script following code worked for me
#! /bin/bash
FILE_NAME="SomeRandomFile"
touch $FILE_NAME
echo """I wrote all
the
stuff
here.
And to access a variable we can use
$FILE_NAME
""" >> $FILE_NAME
cat $FILE_NAME
P...
List files by last edited date
...
Great code, it took the script approx. 5 seconds to sort and print out 13k photos in many different folders (through Cygwin on a quite slow computer).
– Magnus
Jan 21 '12 at 10:14
...
Iterating through directories with Python
...with a simple print statement you can see that each file is found:
import os
rootdir = 'C:/Users/sid/Desktop/test'
for subdir, dirs, files in os.walk(rootdir):
for file in files:
print os.path.join(subdir, file)
If you still get errors when running the above, please provide the error...
Get OS-level system information
...answer the question correctly. All that data reefers to JVM and not to the OS...
– Alvaro
Feb 19 '14 at 10:33
I know t...
how to clear the screen in python [duplicate]
....
I use both Windows and Linux and I use commands to clear the screen in those, but I don't know how to do it in Python.
1 ...
