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How to call shell commands from Ruby
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This explanation is based on a commented Ruby script from a friend of mine. If you want to improve the script, feel free to update it at the link.
First, note that when Ruby calls out to a shell, it typically calls /bin/sh, not Bash. Some Bash syntax is not supported by...
How to save an image locally using Python whose URL address I already know?
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I wrote a script that does just this, and it is available on my github for your use.
I utilized BeautifulSoup to allow me to parse any website for images. If you will be doing much web scraping (or intend to use my tool) I suggest yo...
How do I make a batch file terminate upon encountering an error?
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+1 for the negative errorlevel check. Had a script silently fail because of a negative result.
– devstuff
Sep 16 '10 at 4:37
1
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Making git auto-commit
...in the right direction when I had this problem myself, so I wrote a little script. First this could only watch whole folders recursively (the opposite of Lester Buck's example), but then I also wanted to watch a file somewhere else, so I expanded it.
The result is a script currently called gitwatch...
Why {} + {} is NaN only on the client side? Why not in Node.js?
...h use V8.
Here is the basic pipe line of what happens when you eval a JavaScript command with Rhino in the Rhino shell.
The shell runs org.mozilla.javascript.tools.shell.main.
In turn, it calls this new IProxy(IProxy.EVAL_INLINE_SCRIPT); for example, if the code was passed directly with the inlin...
How to import load a .sql or .csv file into SQLite?
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If you are happy to use a (python) script then there is a python script that automates this at: https://github.com/rgrp/csv2sqlite
This will auto-create the table for you as well as do some basic type-guessing and data casting for you (so e.g. it will work ou...
How to define Gradle's home in IDEA?
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You can write a simple gradle script to print your GRADLE_HOME directory.
task getHomeDir {
doLast {
println gradle.gradleHomeDir
}
}
and name it build.gradle.
Then run it with:
gradle getHomeDir
If you installed with homebrew, use ...
Make $JAVA_HOME easily changable in Ubuntu [closed]
...ent, one should not place commands to set their values in particular shell script files in the user's home directory, but use:
~/.pam_environment - This file is specifically meant for setting a user's environment. It is not a script file, but rather consists of assignment expressions, one per l...
Mac zip compress without __MACOSX folder?
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I'm using this Automator Shell Script to fix it after.
It's showing up as contextual menu item (right clicking on any file showing up in Finder).
while read -r p; do
zip -d "$p" __MACOSX/\* || true
zip -d "$p" \*/.DS_Store || true
done
Create a new...
How to change the pop-up position of the jQuery DatePicker control
...ref="//code.jquery.com/ui/1.11.2/themes/smoothness/jquery-ui.css">
<script src="//code.jquery.com/jquery-1.10.2.js"></script>
<script src="//code.jquery.com/ui/1.11.2/jquery-ui.js"></script>
<form>
<input class="datepicker" name="date1" type="text">
<in...