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Many-to-many relationship with the same model in rails?
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If anyone had issues getting the excellent answer to work, such as:
(Object doesn't support #inspect)
=>
or
NoMethodError: undefined method `split' for :Mission:Symbol
Then the solution is to replace :PostConnection with "PostConnection", ...
java.sql.SQLException: - ORA-01000: maximum open cursors exceeded
...g rather than building your own
Static Code Analysis: Use a tool like the excellent Findbugs to perform a static code analysis. This picks up many places where the close() has not been correctly handled. Findbugs has a plugin for Eclipse, but it also runs standalone for one-offs, has integrations i...
OO Design in Rails: Where to put stuff
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Here's an excellent blog post about refactoring the fat models that seem to arise from the "thin controller" philosphy:
http://blog.codeclimate.com/blog/2012/10/17/7-ways-to-decompose-fat-activerecord-models/
Basic message is "Don’...
What is 'Pattern Matching' in functional languages?
...y are variables; it's the mutable variety that's mislabeled. Nevertheless, excellent answer!
– Doval
Oct 31 '13 at 17:27
3
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Multiple github accounts on the same computer?
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I upvoted your excellent and detailed answer as its clearly the correct way to do it. My issue with it is that its complex, and after a few years of using some accounts, I get a new one, then cannot recall how to do it "the right way". My w...
A gentle tutorial to Emacs/Swank/Paredit for Clojure
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There is one more excelent tutorial:
http://www.braveclojure.com/basic-emacs/ (1st part)
http://www.braveclojure.com/using-emacs-with-clojure/ (2nd part)
In 30 to 45 minutes one can have everything setup from scratch.
The tutorial does no...
Hibernate vs JPA vs JDO - pros and cons of each? [closed]
... An important note that should be added: While JPA and JDO both have excellent support for RDBMSes JDO is 'datastore' agnostic and so is not limited to the RDBMS world. With the ground swell of NoSQL at the moment a person would be wise to consider using a persistence standard that avoids lock...
How do I detect a click outside an element?
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Excellent answer. This is the way to go when you have multiple items which you wish to close.
– John
May 8 '13 at 15:23
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How do I migrate a model out of one django app and into a new one?
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Here's one more fix to Potr's excellent solution. Add the following to specific/0003_create_cat
depends_on = (
('common', '0002_create_cat'),
)
Unless this dependency is set South will not guarantee that the common_cat table exists at the time when...
How do Mockito matchers work?
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Just a small addition to Jeff Bowman's excellent answer, as I found this question when searching for a solution to one of my own problems:
If a call to a method matches more than one mock's when trained calls, the order of the when calls is important, and should ...