There are many Ruby-based development frameworks. Next we will introduce the Ruby Rmagick installation skills in detail, and hope to help you.
Ruby naming rules
Basic Syntax of common Ruby Libraries
Using pp () to output two-dimensional arrays
Today, the system is reinstalled and the running environment of rails is re-built. Therefore, the following commands are based on the latest situation. Install Ruby one-click Installer
Note: Try not to install those new versions. Ruby and rails are
We have been using Redmine for project management and system defect tracking. recently, the center developed a platform and introduced the telephone system, all of which are from SQLSERVER. To integrate with the two systems, the Redmine was changed
I decided to introduce redmine in the project to manage the development tasks and plans, as for the advantages of Redmine, please give a mother or brain repair.Internet to search for. It's basically the old version number. 1.2.1 The most, I want a
Deploy the redmine Project Management System Based on Windows
Last time I wrote an article titled deploying redmine Project Management System Based on centosBut it is not easy to maintain. Because my own lab machine is not in Linux, it can only be
We have been using Redmine to manage project and system defect tracking. Recently, the center developed a micro-platform and introduced a telephony system, both SQL Server, in order to integrate with the two systems, calculate the redmine into SQL
ImageMagick Introduction:Imagemagick®is a software suite to create, edit, compose, or convert bitmap images. It can read and write images in a variety of formats (over) including DPX, EXR, GIF, JPEG, JPEG-2000, PDF, PNG, POSTSC Ript, SVG, and TIFF.
Cocould not find gem 'sqlite3 (> = 0) 'in any of the gem sources listed in you r Gemfile, sqlite3gemfileSolution: sudo gem install sqlite3-rubyERROR: cocould not find a valid gem 'rdiscount' (> = 0) in any repository
This problem happened to me for
Currently, the two most popular Image Upload extensions on rails are fleximage and paperclip. If you only process images in one breath, it is fleximage, of course, but if you still need other MP3, FLV, and other attachments for multi-State
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