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Sass - Converting Hex to RGBa for background opacity

... this would work just fine: @mixin background-opacity($color, $opacity: 0.3) { background: $color; /* The Fallback */ background: rgba($color, $opacity); } element { @include background-opacity(#333, 0.5); } If you ever need to break the hex color into RGB components, though, you ca...
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How do I make the scrollbar on a div only visible when necessary?

... 320 Use overflow: auto. Scrollbars will only appear when needed. (Sidenote, you can also specify ...
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From an array of objects, extract value of a property as array

... | edited Apr 19 at 13:50 Arsen Khachaturyan 5,90933 gold badges3232 silver badges3434 bronze badges ...
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Python Flask Intentional Empty Response

... answered Jun 18 '14 at 21:53 Martijn Pieters♦Martijn Pieters 839k212212 gold badges32203220 silver badges28102810 bronze badges ...
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mailto link multiple body lines

... | edited May 23 '17 at 12:02 Community♦ 111 silver badge answered Apr 27 '12 at 19:04 ...
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Haskell export current module with additional imported module

... 139 There is a simple solution, just export the module from the module: module Test ( module T...
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How to create a shared library with cmake?

...cify the minimum required version of cmake cmake_minimum_required(VERSION 3.9) You should declare a project. cmake says it is mandatory and it will define convenient variables PROJECT_NAME, PROJECT_VERSION and PROJECT_DESCRIPTION (this latter variable necessitate cmake 3.9): project(mylib VERSIO...
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Using CSS how to change only the 2nd column of a table

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Install Gem from Github Branch?

...m 'rails', :git => "git://github.com/rails/rails.git", :branch => "2-3-stable" gem 'rails', :git => "git://github.com/rails/rails.git", :tag => "v2.3.5" Then you run bundle install or the short form is just bundle. Read more about it here: http://bundler.io/man/gemfile.5.html#GIT Upd...
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Setting Django up to use MySQL

... 324 MySQL support is simple to add. In your DATABASES dictionary, you will have an entry like this...