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Best way to add page specific JavaScript in a Rails 3 app?
Rails 3 has some unobtrusive JavaScript which is pretty cool.
10 Answers
10
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Play an audio file using jQuery when a button is clicked
...ick(function() {
audioElement.currentTime = 0;
});
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<body>
<h2>Sound Information</h2>
<div id="length">Duration:</div>
<div id="sou...
Using the RUN instruction in a Dockerfile with 'source' does not work
...
Eh? If you source a script inside a shell that only exists for the command, it's not able to have a lasting effect on any future commands run, assuming that the sum total of its action is setting environment variables. So why would you use sourc...
How to detect Adblock on my website?
...ds = true;
Then somewhere in my page:
<html>
<head>
<script src="/js/prebid-ads.js"></script>
</head>
<body>
<script>
if( window.canRunAds === undefined ){
// adblocker detected, show fallback
showFallbackImage();
}...
...
<!--[if !IE]><!--><script src="zepto.min.js"></script><!--<![endif]-->
<!--[if IE]><script src="jquery-1.7.2.min.js"></script><![endif]-->
Note: These conditional comments are
no longer supported fro...
Controlling the screenshot in the iOS 7 multitasking switcher
...ion, remove it from your views when entering the background. Also, dismiss alerts, temporary interfaces, and system view controllers that obscure your app’s content. The snapshot represents your app’s interface and should be recognizable to users. When your app returns to the foreground, you can...
Bash script to calculate time elapsed
I am writing a script in bash to calculate the time elapsed for the execution of my commands, consider:
10 Answers
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Is there a “goto” statement in bash?
...
If you are using it to skip part of a large script for debugging (see Karl Nicoll's comment), then if false could be a good option (not sure if "false" is always available, for me it is in /bin/false):
# ... Code I want to run here ...
if false; then
# ... Code I wa...
How do I get the full path of the current file's directory?
...
Python 3
For the directory of the script being run:
import pathlib
pathlib.Path(__file__).parent.absolute()
For the current working directory:
import pathlib
pathlib.Path().absolute()
Python 2 and 3
For the directory of the script being run:
import os...
How to install both Python 2.x and Python 3.x in Windows
...ble (to default on double click):
Name: PY_PYTHON
Value: 3
To launch a script in a particular interpreter, add the following shebang (beginning of script):
#! python2
To execute a script using a specific interpreter, use the following prompt command:
> py -2 MyScript.py
To launch a spec...