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Configure Git to use a proxy

In Brief

You may need to configure a proxy server if you're having trouble cloning or fetching from a remote repository or getting an error like unable to access '...' Couldn't resolve host '...'.

Consider something like:

分辨需要设置的代理

HTTP 形式：

git clone https://github.com/owner/git.git
SSH 形式：

git clone [email protected]:owner/git.git

一、HTTP 形式

走 HTTP 代理

If you're writing web applications with Ruby there comes a time when you might need something a lot simpler, or even faster, than Ruby on Rails or the Sinatra micro-framework. Enter Rack.

Rack describes itself as follows:

Rack provides a minimal interface between webservers supporting Ruby and Ruby frameworks.

Before Rack came along Ruby web frameworks all implemented their own interfaces, which made it incredibly difficult to write web servers for them, or to share code between two different frameworks. Now almost all Ruby web frameworks implement Rack, including Rails and Sinatra, meaning that these applications can now behave in a similar fashion to one another.

At it's core Rack provides a great set of tools to allow you to build the most simple web application or interface you can. Rack applications can be written in a single line of code. But we're getting ahead of ourselves a bit.

	#!/usr/bin/env ruby
	# untitled.rb

	# Created by Paolo Bosetti on 2011-04-22.
	# Copyright (c) 2011 University of Trento. All rights reserved.

	require "rubygems"
	require 'ffi'

	module Shared

	# 1. Clear retry set

	Sidekiq::RetrySet.new.clear

	# 2. Clear scheduled jobs

	Sidekiq::ScheduledSet.new.clear

	# 3. Clear 'Processed' and 'Failed' jobs

	# First the end result of what we want:

	class Foo
	before_hook :whoa
	before_hook :amazing

	def test
	puts "This is kinda cool!"
	end

	from lxml import etree
	get error:
	ImportError: dlopen(/etc/locale/lib/python3.6/site-packages/lxml/etree.cpython-36m-darwin.so, 2): Symbol not found: __PyErr_FormatFromCause


	solution:
	pip uninstall lxml
	python3 -mvenv /tmp/lxml
	source /tmp/lxml/bin/activate
	pip install lxml --no-binary :all:

	class DirtyPipeline::Action
	module WrappedCall
	def call
	Events.publish! Event.generate(self)
	super
	end
	end

	class << self
	attr_accessor :attempted_event_klass, :pipeline, :timeout

	class Saga
	class << self
	def with_redis; raise NotImplementedError; end
	attr_accessor :cleanup_delay, :queue, :last_txid

	def queue
	Thread.current[:saga_queue] \|\|= []
	end

	def last_txid