paperclip gem

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Ruby on rails gem install pg cannot be installed, rubyrails

Ruby on rails gem install pg cannot be installed, rubyrails gem install pg -v '0.18.2'Building native extensions. This could take a while...ERROR: Error installing pg: ERROR: Failed to build gem native extension. current directory: /Users/bevan/.rvm/gems/ruby-2.3.0/gems/pg-0.18.2/ext/Users/bevan/.rvm/rubies/ruby-2.3.0/bin/ruby -r ./siteconf20160226-49308-

[Android Development] example 4-guess the box in which the gem is stored, android4-

[Android Development] example 4-guess the box in which the gem is stored, android4-A mini game that implements "Guess which box the gem is placed in": There are three boxes in the main interface. clicking any box will open the box and show whether there are any gems in it, in addition, the box that has not been clicked is set to semi-transparent. The box that has been clicked is displayed normally, and the

Photoshop map gem style logo Design Tutorial

As shown in the following figure. 1. Document creation First, create a new file in Photoshop. I use a small size for 300x300 pixels, the default resolution (72), which may be a good idea if you want to make a larger icon after resizing. You may want to add a nice, simple background. Now, just use the light gradient background. 2. Enable grid/Create graphics Now, let's start the gem shape. First, you need to make the grid (

PS Simple Beautiful transparent textured gem text making tutorial

Very beautiful transparent texture gem text effect, only need to use the layer style, just set the parameter changes, can make a lot of effect. Effect Chart: 1. Create a new document, width 600, height 340. 2. Create an adjustment layer, select the gradient, and make the following changes, and create the way your background is displayed: 3. Now use Photoshop's Text tool to create your text, white color. This is the word '

Error:failed to build gem native extension

The Ruby on Rails Web site says that running gem install rails after installing Ruby is good. But the whole process took me a couple of hours. First of all, OpenSUSE 13.1 comes with Ruby 2.0.0p-247, and I offload Ruby because I intend to use rbenv to manage Ruby: $ sudo zypper rm Ruby As a result, Konsole is gone, YAST is gone, and it seems that the KDE desktop has been unloaded. Then you will have to use the system itself. But the

Illustrator design beautifully textured flat gem icon making tutorial

Give you illustrator software users to detailed analysis to share the design of the beautiful texture of the flat gem icon production tutorials. Tutorial Sharing: Let's take a look at the final effect chart: Use the line tool to draw two straight lines perpendicular to each other, so that they intersect exactly at the center of the square. Then use the Split function in the path lookup panel to cut the square into f

' Block in Replace_gem ': Install the MYSQL2 adapter: ' Gem install Activerecord-mysql2-adapter '

Label:"' Block in Replace_gem ' when executing rails s: Install the MYSQL2 adapter: ' Gem install Activerecord-mysql2-adapter '" Error: [Email protected]:/var/www/ashelf$ Rails S=booting Webrick= Rails3.2.22.1Application startinginchDevelopment on http://0.0.0.0:3000= = Call with-D to detach= CtrlC to shutdown server Exiting/home/diudiugirl/.rvm/gems/ruby-2.3.0/gems/bundler-1.11.2/LIB/BUNDLER/RUBYGEMS_INTEGRATION.RB:314:inch' BlockinchReplace_gem': Pl

Prompt error:while executing gem when installing pod ... (errno::eperm) Operation not permitted-/usr/bin/pod

Environment: OSX EI 10.11.1After switching to the gem source yesterday, there was no problem with the pod installation, or it could be used$ gem Sources--add https://ruby.taobao.org/--remove https://rubygems.org/$ sudo gem install CocoapodsToday when the use of the time, under a project to execute pod install half a day or so no response, but the CTRL + C forced

Analysis of internal operating mechanism of Activesupport::concern and Gem ' Name_of_person ' (300?)

Understanding Activerecord::concern:Reference: The difference between include and extend:Https://www.cnblogs.com/chentianwei/p/9408963.htmlThe traditional module looks like this:Module M def self.included (Base) Base (a Class) extends a module "Classmethods", and the base class method contains the methods in the "Classmethods" module. base.extendclassmethods Base added a: Disabled method. Base.class_eval do, {where (disabled:true)} end end module Classmethods ... EndEndU

Could not find a valid gem ' cocoapods ' (>= 0)

Error:could not find a valid gem ' cocoapods ' (>= 0), here are why:unable to download data from HTTPS://RUBYG ems.org/-errno::econnreset:connection Reset by Peer-ssl_connect (https://rubygems.org/latest_specs.4.8.gz) Two eyes, one stare! Can't download??? What the hell is this? Maybe the wall is too thick?? So, for another source use Bai. Gem Sources--add http://ruby.taobao.org/ Actually Error fetching Ht

Illustrator create a fine shiny long projection gem making tutorial

To give you illustrator software users to detailed analysis to share the creation of exquisite shiny long projection gem of the production tutorial. Tutorial Sharing: The network naturally has many can automatically grow the projection tool, but the tool can only serve as a kind of medium, the real study president projection, and the flexible application always starts from the practice beginning. In addition, we will use i

Gem install reports an error or is too slow.

The following error is always reported when you install the gem. WARNING: RubyGems 1.2 + index not found: RubyGems will revert to legacy indexes degrading performance. Or the gem install is too slow or cannot be connected to timeout. You can install gem locally. First go to the gem official website http://rubygems.org/

Methods for detecting gem installation in Ruby _ruby topics

Recently participated in the seven-cow demo contest, decided to use Ruby development. So I ran into some questions and then solved them, and here's a record. In Ruby, Gem is a very common thing, it is the equivalent of Plug-ins, Ruby has a lot of great gems, to avoid the repetition of our wheels, my demo need to install gem, but in order to achieve better, first detect whether the

Ruby-1.9.3 Gem MYSQL2 successfully installed on Windows

Tags: mysql gem ruby xampp windowsYou may need to generate LIBMYSQLCLIENT.A from Libmysql.dll before: sourceCD C:\xampp-1.8.3\mysql\libC:\DevKit-tdm-32-4.5.2-20111229-1559-sfx\devkitvars.batPexports.exe Libmysql.dll > Libmysql.defSource: C:\strawberry\c\bin\pexports. EXE Fortunately installed Perl, or do not know where to find this pexports tool under theDlltool--input-def libmysql.def--dllname libmysql.dll--output-lib libmysqlclient.a-kC:\redmine-2.6

An error occurred while installing Starling with Gem install: http://gems.rubyforge.org/does not appear to be a rep

Starling is an open-source Message Queue Server written in Ruby. For more information, see: Http://www.ooso.net/archives/506 The following exception occurred when installing Starling for the server today. Briefly describe the solution. When you execute gem install memcache-client Starling, the following error occurs: Error: http://gems.rubyforge.org/does not appear to be a rep The reason is that the great GFW shielded http://gems.rubyforge

Problems with deploying old systems Gem::installerror:net-ssh requires Ruby version >= 2.0

GEM::INSTALLERROR:NET-SSH requires Ruby version >= 2.0Modify Gemfile, change versionGem'Unicorn'group:test,:d evelopment do gem"rspec-rails",">= 2.5.0"Gem'Factory_girl','2.6.4'Gem'factory_girl_rails','1.7.0'Gem'Faker','1.1.2'Gem'Forgery','0.5.0'Gem'magic_encoding','0.0.2'Gem'Email_spec','1.4.0'Gem'Net-ssh','~> 2.0'Gem'Capistrano','~> 2.15.7'Gem'capistrano-rbenv','1.0.5'Gem'Rb-readline','0.4.2'End Problems w

Some Problems about Gem, problemsgem

Some Problems about Gem, problemsgem Advanced Software Engineering When I was doing advanced software engineering jobs today, I encountered some problems: After the new git clone a ruby rails projectBundle InstallSystem Error Prompt"Gem install pg-v '0. 18.3'", After the prompt is installed, the following error is still reported: Again according to the error message, we can see that because of less depen

Gem install Selenium-webdriver installation Error Resolution

Guaranteed Ruby and Gem without problemsRubyinstaller-1.9.2-p180.exe two radio boxes are selected when the installation is installed with an administrator openC:\Documents and Settings\administrator>rubyRuby 1.9.2p180 (2011-02-18) [i386-mingw32]ruby-vUpdate Rubygem gem Update--systemC:\Documents and Settings\administrator>gem-v1.5.2Gem Install/list/uninstall sele

Soul gem bzoj 2663, bzoj2663

Soul gem bzoj 2663, bzoj2663 Soul gem (1 s 128 MB) soulgem [Problem description] "As the soul of your body, in order to better use magic, you have been given a small and safe shape ······" We know that the life of a magic girl is stored in a device called Soul Gem. Sometimes, when the soul gem is far away from the body

Ruby Gem proxy settings

May be the cause of the national firewall package, the installation of Railsinstaller after the execution always error, Bundle InstallDL is deprecated, fiddleFetching gem metadata from https://rubygems.org/.....Resolving dependencies ... Gem::remotefetcher::fetcherror:ssl_connect returned=1 errno=0 State=sslv3 ReadServer certificate b:certificate verify failed (https://rubygems.org/gems/rake-1

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