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Best practices to handle routes for STI subclasses in rails

...rson < Contact def self.model_name Contact.model_name end end Now url_for @person will map to contact_path as expected. How it works: URL helpers rely on YourModel.model_name to reflect upon the model and generate (amongst many things) singular/plural route keys. Here Person is basical...
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How to listen for changes to a MongoDB collection?

... Replica Set, all of the MongoDB actions are logged to an operations log (known as the oplog). The oplog is basically just a running list of the modifications made to the data. Replicas Sets function by listening to changes on this oplog and then applying the changes locally. Does this sound famil...
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JavaScript: What are .extend and .prototype used for?

...otypeJS, copies all properties from the source to the destination object. Now about the prototype property, it is a member of function objects, it is part of the language core. Any function can be used as a constructor, to create new object instances. All functions have this prototype property. W...
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Eclipse IDE for Java - Full Dark Theme

... When Eclipse 3.0 shipped in 2004 it brought a new look to the workbench. Now, 10 years later, an entirely new Dark Theme is launching. The theme extends to more than just the Widgets. Syntax highlighting has also been improved to take advantage of the new look. The What's new page mentions:...
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What is a clean, pythonic way to have multiple constructors in Python?

I can't find a definitive answer for this. As far as I know, you can't have multiple __init__ functions in a Python class. So how do I solve this problem? ...
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Test a weekly cron job [closed]

...ne, e.g.: * * * * * crontest /command/to/be/tested --param1 --param2 So now cron will run your command every minute, but crontest will ensure that only one instance runs at a time. If the command takes time to run, you can do a "screen -x" to attach and watch it run. If the command is a scrip...
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“is” operator behaves unexpectedly with integers

... does anyone know how that range (-5, 256) was chosen? i wouldn't be too surprised if it were (0, 255) or even (-255, 255), but a range of 262 numbers starting at -5 seems surprisingly arbitrary. – Woodrow Barlow ...
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What does the CSS rule “clear: both” do?

... so this is how block level elements behave when floated left or right, so now why is clear: both; required and why? So if you note in the layout demo - in case you forgot, here it is.. I am using a class called .clear and it holds a property called clear with a value of both. So lets see why it n...
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Twitter Bootstrap 3.0 how do I “badge badge-important” now

...g: 1px 9px 2px; font-size: 12.025px; font-weight: bold; white-space: nowrap; color: #ffffff; background-color: #999999; -webkit-border-radius: 9px; -moz-border-radius: 9px; border-radius: 9px; } .badge:hover { color: #ffffff; text-decoration: none; cursor: pointer; } .badge-err...
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Codeigniter - no input file specified

...s inside my public_html folder back to original .htaccess content. So it's now as follows (which is originally it was): DirectoryIndex index.php RewriteEngine on RewriteCond $1 !^(index\.php|images|css|js|robots\.txt|favicon\.ico) RewriteCond %{REQUEST_FILENAME} !-f RewriteCond %{REQUEST_FILENAME} !...