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How do I run a Ruby file in a Rails environment?
...nvironment', __FILE__)
You can control the environment used (development/test/production) by setting the RAILS_ENV environment variable when running the script.
RAILS_ENV=production ruby script/test.rb
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Difference between return and exit in Bash functions
...o "We are still here"
exitfunc
echo "We will never see this"
Output
$ ./test.sh
this is retfunc()
We are still here
this is exitfunc()
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follo...
What does the `forall` keyword in Haskell/GHC do?
...ust contain two of the same type? Let's tell it they don't have to be"
-- test.hs
liftTup :: (x -> f x) -> (a, b) -> (f a, f b)
liftTup liftFunc (t, v) = (liftFunc t, liftFunc v)
ghci> :l test.hs
Couldnt match expected type 'x' against inferred type 'b'
...
Hmm. so here GHC d...
How do I retrieve an HTML element's actual width and height?
...ready been answered. Just some helpful information and yes all the main latest version browsers do agree on these values - which is a good thing.
– Graham
Mar 14 '16 at 11:13
3
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Pretty git branch graphs
...
or with metro template:
or with commit messages, authors, and tags:
Test it with JSFiddle.
Generate it with Git Grapher by @bsara.
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Normalizing mousewheel speed across browsers
...120; // IE/Safari/Chrome TODO: /3 for Chrome OS X
};
You can test out this code on your own browser here: http://phrogz.net/JS/wheeldelta.html
Suggestions for detecting and improving the behavior on Firefox and Chrome on OS X are welcome.
Edit: One suggestion from @Tom is to simply c...
jQuery .live() vs .on() method for adding a click event after loading dynamic html
...his answer. You can register for the mouseenter and mouseleave events and test inside the handler which one was triggered. jQuery's pseudo "hover" event is not available with delegation.
– jfriend00
Jan 29 '16 at 21:04
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How to use GROUP BY to concatenate strings in MySQL?
...)
OR
mysql> SELECT student_name,
-> GROUP_CONCAT(DISTINCT test_score
-> ORDER BY test_score DESC SEPARATOR ' ')
-> FROM student
-> GROUP BY student_name;
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Is there a ceiling equivalent of // operator in Python?
...
In quick tests, #1 is the fastest here, even compared to -(-a // b) o_O
– endolith
Feb 4 at 5:00
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How to find all serial devices (ttyS, ttyUSB, ..) on Linux without opening them?
...udev finds out about the "built-in" ttyS* serial ports, they'll have to be tested with ioctl or similar as in the other answers.
– Reed Hedges
Mar 3 '16 at 20:38
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