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How to drop columns using Rails migration
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edited Mar 9 '17 at 15:03
Darpan Chhatravala
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Finding Key associated with max Value in a Java Map
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Determine function name from within that function (without using traceback)
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Rails 3.1: Engine vs. Mountable App
...nd the differences between a Rails Engine and a Mountable app? In Rails 3.1, you can create either one with the "rails new plugin ___ " command.
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How can I add the sqlite3 module to Python?
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You don't need to install sqlite3 module. It is included in the standard library (since Python...
How can I maximize the editor pane in IntelliJ IDEA?
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How do you generate dynamic (parameterized) unit tests in python?
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This is called "parametrization".
There are several tools that support this approach. E.g.:
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Exception 'open failed: EACCES (Permission denied)' on Android
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What are the Ruby Gotchas a newbie should be warned about? [closed]
...s strict: 0, "" and [] are all evaluated to true. In C, the expression 0 ? 1 : 0 evaluates to 0 (i.e. false). In Ruby, however, it yields 1, as all numbers evaluate to true; only nil and false evaluate to false. A corollary to this rule is that Ruby methods by convention — for example, regular-exp...