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Where should Rails 3 custom validators be stored?
I've seen docs/websites show that custom validators should go in a /lib or /lib/validators directory of a project. I've found (by reading an answer to another post) that they only seem to work in config/initializers . Does anyone know, or have a pointer to official documentation that shows wher...
How can I use jQuery in Greasemonkey scripts in Google Chrome?
...lement("script");
script.setAttribute("src", "//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js");
script.addEventListener('load', function() {
var script = document.createElement("script");
script.textContent = "window.jQ=jQuery.noConflict(true);(" + callback.toString() + ")();";
...
How to set selected value of jquery select2?
...ll_name || repo.text;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.10.1/jquery.min.js"></script>
<link rel="stylesheet" type="text/css" href="https://cdnjs.cloudflare.com/ajax/libs/select2/4.0.2-rc.1/css/select2.min.css">
<script type="text/javascript" src="...
include external .js file in node.js app
...
Short answer:
// lib.js
module.exports.your_function = function () {
// Something...
};
// app.js
require('./lib.js').your_function();
share
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...
How to automatically generate a stacktrace when my program crashes
...ux and I believe Mac OS X, if you're using gcc, or any compiler that uses glibc, you can use the backtrace() functions in execinfo.h to print a stacktrace and exit gracefully when you get a segmentation fault. Documentation can be found in the libc manual.
Here's an example program that installs a...
ImportError: No module named apiclient.discovery
...pt.py --upgrade google-api-python-client and it says Installed c:\python27\lib\site-packages\google_api_python_client-1.3.1-py2.7.egg and trying to install again google-api-python-client 1.3.1 is already the active version in easy-install.pth
– Edmund Sulzanok
...
Unable to create/open lock file: /data/mongod.lock errno:13 Permission denied
...t/AWS_NoSQL_MongoDB.pdf
Mongodb path in /etc/mongodb.conf was set to /var/lib/mongodb (primary install location and working). When I changed to /data/db (EBS volume) I was getting 'errno:13 Permission denied'.
First I ran sudo service mongodb stop.
Then I used ls -la to see what group & owner...
“unrecognized import path” with go get
...n OSX 10.11, and found I had to set GOROOT to:
/usr/local/Cellar/go/1.5.1/libexec
(Of course replace the version in this path with go version you have)
Brew uses symlinks, which were fooling the gotool. So follow the links home.
...
How to grep (search) committed code in the Git history
...g" error.
If you want to limit the search to some subtree (for instance, "lib/util"), you will need to pass that to the rev-list subcommand and grep as well:
git grep <regexp> $(git rev-list --all -- lib/util) -- lib/util
This will grep through all your commit text for regexp.
The reason ...
Ideal Ruby project structure
...
I think that is pretty much spot on. By default, Rubygems will add the lib directory to the loadpath, but you can push any directory you want onto that using the $: variable. i.e.
$:.push File.expand_path(File.dirname(__FILE__) + '/../surfcompstuff')
That means when you have say, surfer.rb in...