Sass Lecture 1_html/css_WEB-ITnose

I started to get in touch with sass today. I will post the things I learn every day, the problems I encounter, and the solutions to my blog. Friends who want to learn can use it as a reference to avoid detours.

Step one: Install ruby ​​and run

Because sass depends on the ruby ​​environment, make sure ruby ​​is installed before installing sass. Download ruby ​​from the Pioneer official website

When installing, please check the Add Ruby executables to your PATH option and add environment variables, otherwise when you use the compiled software in the future, you will be prompted that the ruby ​​environment cannot be found

After installing ruby, in the start menu, find the ruby ​​we just installed, open Start Command Prompt with Ruby

and then directly in the command Type gem install sass in the line and press Enter to confirm. Wait for a while and

will prompt you that sass is successfully installed. Recently, because of the strong wall, if you have not successfully installed it, please refer to the Taobao RubyGems image below to install sass. If it is successful, ignore it.

Upgrade the command behavior of the sass version

gem update sass

View the command behavior of the sass version

sass -v

You also You can run the help command line to see the commands you need

sass -h

Taobao RubyGems mirror installation sass

Due to domestic network reasons (you know ), causing intermittent connection failures to rubygems.org's resource files stored on Amazon S3. At this time, we can configure the source through the gem sources command. First remove the default https://rubygems.org source, then add the Taobao source https://ruby.taobao.org/, and then check the currently used source. Which, if it is from Taobao, it means that you can enter the sass installation command gem install sass

The command to delete the source is:

gem sources -r url address

The command to add sources is:

gem sources -a url address

The command to view the current source is:

gem sources

-------------------------------The following commands are reproduced in Ruby study notes---------- ----------------------------------

gem -v #gem version

gem source #gem resource

gem sources -a url ｜gem sources -r url #gemAdd or delete configuration source

gem update #Update all packages

gem update --system #Update RubyGems software

gem install rake #Install rake, from local or remote server

gem install rake --remote #Install rake, from remote server

gem install watir -v (or --version) 1.6.2 #Specify the installation version

gem uninstall rake #Uninstall the rake package

gem list d #List local files starting with d Package

gem query -n ''[0-9]'' --local #Find local packages containing numbers

gem search log --both #From local and remote servers Search for packages containing log strings

gem search log --remoter #Only search for packages containing log strings on the remote server

gem search -r log #Only search on the remote server Packages containing log strings

gem help #Reminder help

gem help install #List install command help

gem help examples #List some gem commands to use Example

gem build rake.gemspec #Compile rake.gemspec into rake.gem

gem check -v pkg/rake-0.4.0.gem #Check whether rake is valid

gem cleanup #Clear old versions of all packages and keep the latest versions

gem contents rake #Display files included in the rake package

gem dependency rails -v 0.10.1 #List and Rails interdependent packages

gem environment #View gem environment

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