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How can I rename a database column in a Ruby on Rails migration?
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rename_column :table, :old_column, :new_column
You'll probably want to create a separate migra...
What do the &,
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198
The & marks an alias for the node (in your example &default aliases the development no...
Changing MongoDB data store directory
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dbpath = /usr/local/var/mongodb
The official 10gen Linux packages (Ubuntu/Debian or CentOS/Fedora) ship with a basic configuration file which is placed in /etc/mongodb.conf, and the MongoDB service reads this when it starts up. You could make your change here.
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The type or namespace name 'Objects' does not exist in the namespace 'System.Data'
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answered Aug 13 '09 at 22:49
Joshua BeldenJoshua Belden
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Git error on git pull (unable to update local ref)
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18 Answers
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Inheritance and Overriding __init__ in python
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158
The book is a bit dated with respect to subclass-superclass calling. It's also a little dated...
std::auto_ptr to std::unique_ptr
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221
You cannot do a global find/replace because you can copy an auto_ptr (with known consequences), ...
Timertask or Handler
Let's say that I want to perform some action every 10 seconds and it doesn't necessarily need to update the view.
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How to force a web browser NOT to cache images
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SQL, Postgres OIDs, What are they and why are they useful?
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OIDs basically give you a built-in id for every row, contained in a system column (as opposed ...