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How can I shuffle an array? [duplicate]
... Why isn't there a test of i !== j? That should save a bit of time
– Regnoult
Feb 25 '18 at 14:27
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Various ways to remove local Git changes
...files, but keep staged and unstaged changes to already tracked files. Most times, I would probably end up making an ignore-rule instead of repeatedly cleaning - e.g. for the bin/obj folders in a C# project, which you would usually want to exclude from your repo to save space, or something like that....
git revert back to certain commit [duplicate]
...back to where you want to be. There may be other references ahead of that time that you would need to remove if you don't want anything to point to the history you just deleted.
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Undo scaffolding in Rails
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for first time, you can check you database migration if you have generate scaffold.
you must destroy them to clean up your database
rake db:rollback
then
rails d scaffold
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What's the difference between RSpec and Cucumber? [closed]
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This is an excellent answer. Thank you so much for your time and advice. There are a lot of books on rails Ive read, but so far haven't found one that makes these kinds of distinctions and explains which is which. Thanks again
– banditKing
Au...
npm not working after clearing cache
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This answer may have been correct at the time, when npm was at version 1.3.8 as mentioned in the question. However, in npm 2.8.3 and npm 3.3.0, "clear" is a silent alias for "clean", so it would do the same thing.
– Mark Stosberg
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sass --watch with automatic minify?
... to have sass create both a non-minified and minified css file at the same time sass --watch sass/style.scss:css/style.css --watch css/style.css:css/style.min.css --style compressed --scss
– Alex Wright
Jun 18 '17 at 20:45
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Bootstrap 3 Collapse show state with Chevron icon
Using the core example taken from the Bootstrap 3 Javascript examples page for Collapse ,
I have been able to show the state of collapse using chevron icons.
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How do you calculate the average of a set of circular data? [closed]
... which is also much the same as the algorithm I posted at the same time as you. You would need to use atan2 rather than a plain atan, though, since otherwise you can't tell which quadrant the answer is in.
– Alnitak
Jan 29 '09 at 15:06
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Are arrays in PHP copied as value or as reference to new variables, and when passed to functions?
...ome :
array
0 => int 10
1 => int 20
2 => int 30
As, this time, the array has been passed "by reference".
Don't hesitate to read the References Explained section of the manual : it should answer some of your questions ;-)
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