paperclip gem

Redis-stat is a monitoring Redis program written in Ruby that gets information based on the info command, rather than through the monitor. First, install Ruby Copy Code code as follows: Yum install-y Ruby Ruby-devel RubyGems Apt-get install RubyGems Ruby. The intermittent connection to the resource file rubygems.org stored on Amazon S3 failed due to domestic network reasons. So you will encounter with gem install rack or b

download and install rails from a remote server.Open command Line window (cmd), enter execute command gem install rails--remote or gem install rails--include-dependencies.Note: After you install Ruby, RubyGems is installed by default, and you can view it with the following commands, such as:Download RubyGemshttps://rubygems.org/pages/download/Installing RubyGems1. Unzip the downloaded installation package

What I learned about today:1. Cocoapods Installation and use1.1>. Cocoapods is the most commonly used third-party library management tool in iOS, and most of the well-known open source libraries support cocoapods. Because it is implemented using Ruby, we first need to configure the Ruby environment ourselves.1.1.1>> How to install the Ruby environment in your Mac.Rvm:ruby Version ManagerGem: A standard package for managing Ruby libraries and programs, finding, installing, upgrading, and uninstal

Cocoapods Installation and useCocoapods test Installation Environment (Xcode 7.2.1 OSX 10.11.3)iOS app third-party framework management artifact Cocoapods. With the update of Xcode and OSX systems, the installation and use of cocoapods is slightly different, summarized as follows:Replacement Source:Gem Sources--remove https://rubygems.org/Gem Sources-a https://ruby.taobao.org/Gem Sources–lNote:

The following steps are based on WINXP SP3 platform. 1 install instantrails2.0 2 update rails as following: C:/InstantRails-2.0/Ruby> gem update -- System C:/InstantRails-2.0/Ruby> gem update rails -- include-dependencies -- SourceHttp://gems.rubyonrails.org/ Note that you need to specify the source, or else, the update will timeout always. By default, the rails version is 2.0.2, If you update rails succe

People who have worked on Ruby projects may feel the same way. rubygems.org's access to China is too slow. Every time we install bundle, we have to wait for a long time, but when we download the corresponding gems file through a browser, the speed is refreshing... Why is this happening? Clearly, what we write in Gemfile is: source"http://rubygems.org" Now that bundle install is slow, I will download the gem file and run it: geminstall/path

on # service Redis Start 6. Change the gem source (if default cannot connect) A. Display the currently used sources # Gem sources B. Delete default source # Gem Sources-r http://rubygems.org/ C. Add a source # Gem Sources-a http://ruby.taobao.org

Build a rails environment under Ubuntu10.04 under the virtual machine 1: ruby installation 1) installation: sudoapt-getinstallrubybuild-essentiallibopenssl-rubyruby1.8-devirbrdoclibssl-devlibreadline5-devzlib1g-dev2) test installation successful: ruby-v display version number, Setting up the rails environment of Ubuntu 10.04 under a virtual machine 1: ruby Installation 1) Installation: Sudo apt-get install ruby build-essential libopenssl-ruby ruby1.8-dev irb rdoc libssl-dev libreadline5-dev zlib

is customary. In general, the number of weights or total share capital is classified as standard.Large, currently divided into four categories, Shanghai market Plate, Shenzhen market plate, SME board, Gem. Among the Shanghai plate, the first-line stock is more, that is, we often say that the first-line blue-chip, and Shenzhen market with growth stocks for the majority.Stock, there are constituent stocks, growth stocks, theme stocks, restructuring sha

the source management work is moved from the main project to the Pods project. The PODS project is eventually compiled into a file called LIBPODS.A, and the main project only needs to rely on this. a file.Third, the installation of CocoapodsThe cocoapods can be easily installed via the rubygems of the Mac itself.Open terminal, and then type the following command:$ sudo gem install CocoapodsExecute this sentence if the following error is reported:Erro

To install Ruby:$sudoApt-getInstallruby- FullReading Package List ... Completing the dependency tree that is analyzing the package is reading state information ... Completion will install the following additional packages: Libruby1.9.1Libruby1.9.1-dbg libtcltk-ruby1.9.1libyaml-0-2Ri1.9.1ruby1.9.1Ruby1.9.1-dev ruby1.9.1-examples ruby1.9.1-Full recommended packages for installation: Graphviz Ruby-switch the following "new" packages will be installed: Libruby1.9.1Libruby1.9.1-dbg libtcltk-ruby1.9.1

The main topic: there are 30,000 islands from left to right, give you a n a d,n for n a gem, the next n lines indicate which island each gem is on, and D for the first time you jump from 0 to the position, and then each time you can jump from your position l-1,l,l+1 distance.Problem-solving ideas, in fact, had done a similar, he jumped the number of steps is actually very small, the solution set each jump s

1. Install Ruby I will not talk nonsense about this. The installation is very simple and there are a lot of online materials. After installation, add D: Ruby \ bin to the environment variable path (depending on your installation path) After the installation is complete, enter ruby-V in the command line. The version number is displayed, indicating that the installation is successful. My version number is 1.8.6. 2. Install railsI suggest you go to the official website to download the rails-2.3.2.

ExploitationRuby-VCheck whether Ruby is installed.Gem -- versionCheck whether rubygems is installed. Download Ruby installation in http://rubyinstaller.rubyforge.orgProgramWhen installing, check all the components, so that rubygems is the same as fashion. After installing Ruby, run the following command:Gem install rails -- include-dependenciesTo install rails. I use MySQL to install the database myself. Finally, we installed netbeans for Ruby. [Problems Encountered] y

│ └── redis.conf├── 7003│ ├── appendonly.aof│ ├── dump.rdb│ ├── nodes.conf│ └── redis.conf├── 7004│ ├── appendonly.aof│ ├── dump.rdb│ ├── nodes.conf│ └── redis.conf├── 7005│ ├── appendonly.aof│ ├── dump.rdb│ ├── nodes.conf│ └── redis.conf├── redis-cli└── redis-server2.1.2 create a cluster using redis-trib After all Redis instances run, you also need a redis-trib.rb tool to create the cluster, redis-trib.rb binaries in the src directory under the Redis package home direc

Redis cluster deployment and some pitfalls Before starting the deployment, check the first 6th items. 1. Download and compile the redis installation package from the official website $ wget http://download.redis.io/releases/redis-3.2.5.tar.gz $ tar xzf redis-3.2.5.tar.gz $ cd redis-3.2.5 $ make 2. Configure redis port 7000 cluster-enabled yes cluster-config-file nodes.conf cluster-node-timeout 5000 appendonly yes If you do not want persistence, appendonly yes-> appendonly no Suppose we

A few days ago to reinstall the company's computer cocoapods, a variety of problems, do not remember how the first time to fix, deliberately record the installation steps, under the terminal: # First update gem $ sudo gem update--system # then replace the mirror site $ gem sources--remove https://rubygems.org/$ gem s

The following error extconf. rb: 2: in 'require is prompted when installing mysql2 using gem. The following error extconf. rb: 2: in 'require is prompted when installing mysql2 using gem. 1. When installing mysql2 using gem, the following error extconf. rb: 2: in 'require ': no such file to load -- mkmf (LoadError) from extconf. rb: 2 is prompted. Building n

version: Apache/2.2.17 (Ubuntu) Server built: Feb 22 2011 18:34:09 II. Install ruby 1.9 (including gem) 1. Install the dependency package: root @ cloudsoft :~ # Sudo apt-get install gcc g ++ build-essential libssl-dev libreadline-dev zlib1g-dev linux-headers-generic libyaml-dev 2. download the latest stable version of ruby 1.9 root @ cloudsoft: ~ # Wget http://ftp.ruby-lang.org/pub/ruby/ruby-1.9-stable.tar.gzroot@cloudsoft :~ # Tar-zxf./ruby-1.9-stab

Problems encountered during cocoapods installation and installation, cocoapods Process 1. $ ruby-v // check the current ruby version. My version is ruby 2.0.0p648 and earlier than 2.2. Therefore, problems may occur when installing cocoapods below. 2. $ gem sources-l // view the current ruby source, the default is https://rubygems.org/because of firewall problems we need to replace into a domestic Image 3. $ gem