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Devise - How do I forbid certain users from signing in?
... determine "active" state using
#our own "is_active" column
super and self.is_active?
end
end
UPDATE
As Matt Huggins notes, the method is now called active_for_authentication? (Documentation)
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How to write a caption under an image?
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Figure and Figcaption tags:
<figure>
<img src='image.jpg' alt='missing' />
<figcaption>Caption goes here</figcaption>
</figure>
Gotta love HTML5.
See sample
#container {
text-ali...
Daemon Threads Explanation
...tion, or whatever. These are only useful when the main program is running, and it's okay to kill them off once the other, non-daemon, threads have exited.
Without daemon threads, you'd have to keep track of them, and tell them to exit, before your program can completely quit. By setting them as dae...
Unicode (UTF-8) reading and writing to files in Python
I'm having some brain failure in understanding reading and writing text to a file (Python 2.4).
14 Answers
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Using DNS to redirect to another URL with a path [closed]
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No, what you ask is not possible. DNS is name resolution system and knows nothing about HTTP.
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How to revert initial git commit?
I commit to a git repository for the first time; I then regret the commit and want to revert it. I try
9 Answers
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Anatomy of a “Memory Leak”
...Basically, in .NET a memory leak occurs when referenced objects are rooted and thus cannot be garbage collected. This occurs accidentally when you hold on to references beyond the intended scope.
You'll know that you have leaks when you start getting OutOfMemoryExceptions or your memory usage goes ...
Clear terminal in Python [duplicate]
Does any standard "comes with batteries" method exist to clear the terminal screen from a Python script, or do I have to go curses (the libraries, not the words)?
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Which Eclipse files belong under version control?
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[eclipse-workspace]\.metadata\.plugins\org.eclipse.debug.core\.launches
And they should be copied into your project directory: When your project is refreshed, those configurations will be displayed in the "Run configuration" dialog.
That way, those launch parameter files can be also managed into...
Where and why do I have to put the “template” and “typename” keywords?
In templates, where and why do I have to put typename and template on dependent names?
What exactly are dependent names anyway?
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