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Devise - How do I forbid certain users from signing in?
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shell init issue when click tab, what's wrong with getcwd?
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This usually occurs when your current directory does not exist anymore. Most likely, from another terminal you remove that directory (from within a script or whatever). To get rid of this, in case your current directory was recreated in the meantime, just cd to another (existing) directory ...
How can foreign key constraints be temporarily disabled using T-SQL?
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Any reason to prefer getClass() over instanceof when generating .equals()?
...ted nicely that implementations of equals() using getClass() are generally more robust than those implementations using instanceof .
The instanceof test is correct only for final classes or if at least method equals() is final in a superclass. The latter essentially implies that no subclass must ext...
Python argparse command line flags without arguments
...the end, this method just shouldn't be done. Real arg parsers are just far more robust...
– timthelion
Nov 25 '16 at 16:32
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ExecJS::RuntimeError on Windows trying to follow rubytutorial
...our system is supposed to work, why not make it work instead of installing more software? According to the ExecJS creator, the runtime already built into Windows is in fact supported...
ExecJS lets you run JavaScript code from Ruby. It automatically picks the best runtime available to evaluate you...
How to select an element by classname using jqLite?
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Fork and synchronize Google Code Subversion repository into GitHub
... they'd be at the same point as [master].
The rebase approach is slightly more evil - you'd have to push with --force as your push would not be a fast-forward merge (you'd pull the features branch from under someone who had cloned it). It's not really considered OK to do this, but nobody can stop y...
How much faster is Redis than mongoDB?
...t is able to fit in memory. Though ram is cheap, if you need to use/store more than 12-16GB of data, I'd see what your server options look like.
– Tracker1
Jul 25 '12 at 21:46
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How to check if a given directory exists in Ruby
...ll return true only if the file exists and is a directory.
As an aside, a more idiomatic way to write the method would be to take advantage of the fact that Ruby automatically returns the result of the last expression inside the method. Thus, you could write it like this:
def directory_exists?(dir...