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How to run `rails generate scaffold` when the model already exists?
...ld for your model, see scaffold_controller. Just for clarity, here's the description on that:
Stubs out a scaffolded controller and its views. Pass the model name,
either CamelCased or under_scored, and a list of views as arguments.
The controller name is retrieved as a pluralized ve...
Why are my PowerShell scripts not running?
I wrote a simple batch file as a PowerShell script, and I am getting errors when they run.
9 Answers
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Do browsers parse javascript on every page load?
Do browsers (IE and Firefox) parse linked javascript files every time the page refreshes?
6 Answers
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How can I share code between Node.js and the browser?
I am creating a small application with a JavaScript client (run in the browser) and a Node.js server, communicating using WebSocket.
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When to use IMG vs. CSS background-image?
...er {
background-image:url(image_2.jpg);
}
This saves any kind of JavaScript or jQuery animation to fade an <img/>'s src.
More information about transitions on MDN.
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How can I clear previous output in Terminal in Mac OS X?
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Command+K for newer keyboards
To clear the terminal from within a shell script;
/usr/bin/osascript -e 'tell application "System Events" to tell process "Terminal" to keystroke "k" using command down'
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Changing CSS Values with Javascript
It's easy to set inline CSS values with javascript. If I want to change the width and I have html like this:
9 Answers
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Syntax highlighting/colorizing cat
...ke use of terminal escape sequences to control the color.
Here's a sample script that will choose the colour based on the file type (you can use something like this instead of invoking cat directly):
#!/bin/bash
fileType="$(file "$1" | grep -o 'text')"
if [ "$fileType" == 'text' ]; then
echo -...
How to get a list of all files that changed between two Git commits?
...git ls-files --other --exclude-standard
If you're using this in a shell script, and you want to programmatically check if these commands returned anything, you'll be interested in git diff's --exit-code option.
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How do I know the script file name in a Bash script?
How can I determine the name of the Bash script file inside the script itself?
23 Answers
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