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How to rename with prefix/suffix?
...If rename isn't available and you have to rename more than one file, shell scripting can really be short and simple for this. For example, to rename all *.jpg to prefix_*.jpg in the current directory:
for filename in *.jpg; do mv "$filename" "prefix_$filename"; done;
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How to change Rails 3 server default port in develoment?
... projects, and you will have a lot problems later...
In your project edit script/rails this way:
#!/usr/bin/env ruby
# This command will automatically be run when you run "rails" with Rails 3 gems installed from the root of your application.
APP_PATH = File.expand_path('../../config/application',...
Error when installing windows SDK 7.1
...nswered Oct 14 '13 at 21:47
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How do I use Ruby for shell scripting?
I have some simple shell scripting tasks that I want to do
13 Answers
13
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How can I time a code segment for testing performance with Pythons timeit?
I've a python script which works just as it should, but I need to write the execution time. I've googled that I should use timeit but I can't seem to get it to work.
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Drop all tables whose names begin with a certain string
...ALLOCATE cmds
This is cleaner than using a two-step approach of generate script plus run. But one advantage of the script generation is that it gives you the chance to review the entirety of what's going to be run before it's actually run.
I know that if I were going to do this against a product...
How to reference a file for variables using Bash?
...production="liveschool_joe"
playschool="playschool_joe"
echo $playschool
script.sh
#!/usr/bin/env bash
source config.sh
echo $production
Note that the output from sh ./script.sh in this example is:
~$ sh ./script.sh
playschool_joe
liveschool_joe
This is because the source command actually ...
How can I perform a str_replace in JavaScript, replacing text in JavaScript?
...o use str_replace or its similar alternative to replace some text in JavaScript.
21 Answers
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What's the difference between process.cwd() vs __dirname?
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__dirname returns the directory name of the directory containing the JavaScript source code file
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How to force link from iframe to be opened in the parent window
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With JavaScript:
window.parent.location.href= "http://www.google.com";
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