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What does inverse_of do? What SQL does it generate?
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After this pr (https://github.com/rails/rails/pull/9522) inverse_of is not required in most cases.
Active Record supports automatic identification for most associations with standard names. However, Active Record will not automatically ide...
Twitter Bootstrap alert message close and open again
...t;/div>
<a href="#" onclick="$('alert').show()">show</a>
http://jsfiddle.net/cQNFL/
This should however only be used if you are lazy (which is no good thing if you want an maintainable app).
The do-it-right method:
Create a new data attribute for hiding an element.
Javascript:
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How to identify unused css definitions
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Take a look at the Firefox extension Dust-Me at https://addons.mozilla.org/en-US/firefox/addon/dust-me-selectors/.
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How do I fix PyDev “Undefined variable from import” errors?
...ins so that PyDev spawns a shell for it to obtain runtime information (see http://pydev.org/manual_101_interpreter.html for details) -- i.e.: mostly, PyDev will import the module in a shell and do a dir(module) and dir on the classes found in the module to present completions and make code analysis....
How can I shift-select multiple checkboxes like GMail?
...;
}
lastChecked = this;
});
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<html>
<head>
</head>
<body>
<input type="checkbox" id="id_chk1" class="chkbox" value="1" />Check 1&l...
How to create a WPF UserControl with NAMED content
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<Window x:Class="user_Control_Name.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:test="clr-namespace:user_Control_Name"
xmlns:helper="clr-namespace:UI...
When maven says “resolution will not be reattempted until the update interval of MyRepo has elapsed”
... <repository>
<id>central</id>
<url>http://central</url>
<releases><enabled>true</enabled><updatePolicy>always</updatePolicy></releases>
<snapshots><enabled>true</enabled><updatePolicy&g...
How to split csv whose columns may contain ,
....FileIO;
string csv = "2,1016,7/31/2008 14:22,Geoff Dalgas,6/5/2011 22:21,http://stackoverflow.com,\"Corvallis, OR\",7679,351,81,b437f461b3fd27387c5d8ab47a293d35,34";
TextFieldParser parser = new TextFieldParser(new StringReader(csv));
// You can also read from a file
// TextFieldParser parser = ...
CSS transition shorthand with multiple properties?
...ty is now well above 94% globally.
If you still want to be sure, refer to http://caniuse.com/css-transitions
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Why do people use Heroku when AWS is present? What distinguishes Heroku from AWS? [closed]
... lines of the form dyno_type: command_to_run, so for example (cribbed from http://devcenter.heroku.com/articles/process-model):
web: bundle exec rails server
worker: bundle exec rake jobs:work
This, with a:
heroku scale web:2 worker:10
will result in you having 2 web dynos and 10 worker dyn...