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Rename all files in directory from $filename_h to $filename_half?
...
Just use bash, no need to call external commands.
for file in *_h.png
do
mv "$file" "${file/_h.png/_half.png}"
done
Do not add #!/bin/sh
For those that need that one-liner:
for file in *.png; do mv "$file" "${file/_h.png/_half.png}"; done
...
Proper way to use **kwargs in Python
...icular default value, why not use named arguments in the first place?
def __init__(self, val2="default value", **kwargs):
share
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Difference between Eclipse Europa, Helios, Galileo
...pse release name and it's corresponding version number go to this website.
http://en.wikipedia.org/wiki/Eclipse_%28software%29#Release
Release Date Platform version
Juno ?? June 2012 4.2?
Indigo 22 June 2011 3.7
Helios 23 June 2010 3.6
Galileo 24 June 2009...
Reset Entity-Framework Migrations
...able in your database (may be under system tables); Then
Run the following command in the Package Manager Console:
Enable-Migrations -EnableAutomaticMigrations -Force
Use with or without -EnableAutomaticMigrations
And finally, you can run:
Add-Migration Initial
...
Vim: Replacing a line with another one yanked before
...
Steps 1 and 2 can be combined using :ay [E.g. :20y] Followed by Vp should do the trick. You do not have to go to a line to yank it.
– Bharad
Aug 12 '13 at 9:23
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Commenting in a Bash script inside a multiline command
...utput MYSQLDUMP file
cat ${MYSQLDUMP} | \
# simplify the line
sed '/created_at/d' | \
# create some newlines
tr ",;" "\n" | \
# use some sed magic
sed -e 's/[asbi]:[0-9]*[:]*//g' -e '/^[{}]/d' -e 's/""//g' -e '/^"{/d' | \
# more magic
sed -n -e '/^"/p' -e '/^print_value$/,/^option_id$/p' | \
# even ...
How do I use PHP namespaces with autoload?
...in the global scope.
See below for a working example:
<?php
function __autoload($class)
{
$parts = explode('\\', $class);
require end($parts) . '.php';
}
use Person\Barnes\David as MyPerson;
$class = new MyPerson\Class1();
Edit (2009-12-14):
Just to clarify, my usage of "use ... a...
Objective-C: Property / instance variable in category
... So if you wanted to use this on multiple instances and have each instance compute a distinct value, it wouldn't work.
Fortunately, the Objective-C runtime has this thing called Associated Objects that can do exactly what you're wanting:
#import <objc/runtime.h>
static void *MyClassResultKe...
Comma in C/C++ macro
...ose the macro argument in parentheses:
FOO((std::map<int, int>), map_var);
The problem is then that the parameter remains parenthesized inside the macro expansion, which prevents it being read as a type in most contexts.
A nice trick to workaround this is that in C++, you can extract a typ...
Merge, update, and pull Git branches without using checkouts
...feature checked out:
git fetch upstream master:master
This use-case is so common, that you'll probably want to make an alias for it in your git configuration file, like this one:
[alias]
sync = !sh -c 'git checkout --quiet HEAD; git fetch upstream master:master; git checkout --quiet -'
What th...