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How to Test a Concern in Rails
...test your concerns against the actual classes that use them (e.g., models) and you'll be able to test them everywhere they're used. And you only have to write the tests once and then just include them in any model spec that uses your concern. In your case, this might look something like this:
# app...
How do I get a Cron like scheduler in Python? [closed]
I'm looking for a library in Python which will provide at and cron like functionality.
9 Answers
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Python subprocess/Popen with a modified environment
I believe that running an external command with a slightly modified environment is a very common case. That's how I tend to do it:
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How do I count the number of occurrences of a char in a String?
... Although i will not downvote this, it is (a) requiring 3rd party libs and (b) expensive.
– javadba
Jan 23 '14 at 21:24
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error: default argument given for parameter 1
... to see. If you had to repeat them at the definition it would be redundant and more hassle to maintain. (This is also why I disagree with Yacoby about commenting out the default parameters in the implementation. IME, in real projects such comments will be out of sync with the declaration sooner or l...
RegEx - Match Numbers of Variable Length
... support the following expression:
\{\d+:\d+\}
The \d is actually shorthand for [0-9], but the important part is the addition of + which means "one or more".
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Why do enum permissions often have 0, 1, 2, 4 values?
Why are people always using enum values like 0, 1, 2, 4, 8 and not 0, 1, 2, 3, 4 ?
7 Answers
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Using Caps Lock as Esc in Mac OS X
...he System Preferences, choose Keyboard, then the Keyboard Tab (first tab), and click Modifier Keys:
In the popup dialog set Caps Lock Key to No Action:
2) Now, click here to download Seil and install it:
3) After the installation you will have a new Application installed ( Mountain Lion an...
Sass calculate percent minus px
... No argument there, but count the browsers! More support calc() than not, and even more will support it in the near future!
– chrisgonzalez
Feb 13 '13 at 17:20
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Remove directory which is not empty
... Strange, I've never seen behavior like that. I'd suggest searching for and/or filing a bug. github.com/isaacs/rimraf/issues
– Morgan ARR Allen
May 2 '18 at 5:13
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