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What is the best way to uninstall gems from a rails3 project?
I installed all of my gems using bundler via the Gemfile. I thought (mistakenly) that if I deleted a gem from my Gemfile and ran 'bundle install' that the deleted gems would be uninstalled. I've looked at the bundler help file and, so far as I can tell, it does not have a way to uninstall gems.
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How do I delete/remove a shell function?
...ke realiases, refunctions, resetopts, reenv, etc to "re-source" respective files, if you've separated/grouped them as such.)
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Bash/sh - difference between && and ;
...computer:
root# pwd
/
root# cd /tnp/test; rm -rf *
cd: /tnp/test: No such file or directory
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... and after a while ...
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^C
but not helped... ;)
cd /tnp/test && rm -rf * is safe... ;)
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JQuery to check for duplicate ids in a DOM
... to traditional ASP.NET you're a lot more responsible for creating all the ids in your generated page. ASP.NET would give you nasty, but unique ids.
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Can I run javascript before the whole page is loaded?
...TML parsing is done. (If your module code is inline rather than in its own file, it is also deferred until HTML parsing is complete.)
This wasn't available when I first wrote this answer in 2010, but here in 2020, all major modern browsers support modules natively, and if you need to support older ...
Stretch and scale a CSS image in the background - with CSS only
...remove escaping back-slashes, adjust paths and place this code in your CSS file.
html{
background: url(images/homeBg.jpg) no-repeat center center fixed;
-webkit-background-size: cover;
-moz-background-size: cover;
-o-background-size: cover;
background-size: cover;
filter: pr...
Javascript Thousand Separator / string format [duplicate]
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I don't think so, adding a new file requirement with almost 800 lines , it is like kill an ant with a granade
– Emiliano
Dec 18 '19 at 14:48
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AngularJs event to call after content is loaded
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Works ok in main app.js file too.
– Loubot
Nov 9 '16 at 16:30
That ...
Why does the MongoDB Java driver use a random number generator in a conditional?
... removed this piece of code, and just logged these
messages to a different file, so they were all present, but not clobbering the general logfile.
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Get Android Phone Model programmatically
...anks Jared. I needed this today but for Xamarin.Android so translated your file to C#. If somebody else needs it, you can find it here. gist.github.com/mohibsheth/5e1b361ae49c257b8caf
– Mohib Sheth
Jan 21 '15 at 13:03
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