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The first two sections of this series have already covered how to configure the Ruby on Rails development environment, and now it's time to get to the point!Part1. Pre-development Preparation The main task of this time is to develop the first rails program. In particular, this time I chose a (PAAs development platform), which is the Cloud 9 platform described in the
Based on dropdown. js, two levels of navigation menus with beautiful atmosphere are available: dropdown. js This article describes two levels of navigation menus Based on dropdown. js. Share it with you for your reference. The details are as follows: 1. Blue navigation menu The running effect is as follows: The Online Demo address is as follows: Http://demo.jb51
First to show you the effect of the picture, like friends can download the source OH effect demo source download The above is a small series to introduce the JQuery custom dropdown box (DropDown) with the source code download, I hope to help you, if you have any questions please give me a message, small series will promptly reply to everyone. Here also thank you very much for the cloud Habit
that username _ has been prepended. finally, we're going to link this username to the database. select username_rails and username_first from the dropdowns and make sure the 'all' checkbox below them is checked, then click the 'Add user to db' button. Now you shoshould repeat this step, with 'firstdev' as the database name, and linking username_rails to it. Now we're re going to edit the database. yml file. Open ~ /Rails/first/config/database. yml in
Brief introduction Today's applications need to interoperate not only with browser-based clients, but with other applications as well. For interoperability, Web applications typically provide a Web service API. The Web services API provides remote access to applications through a network, such as the Internet. Until recently, the Web services API had also been integrated with heavy, complex, SOAP-based Web services, which had little merit and would take a long time to implement. The
When pry is used, you will feel that the previously used debugger method is so complicated and troublesome that it brings up the troubles of rails S and takes time to enhance IRB's functions, By default, the pry configuration is enough, so that the rails console can also rest. Installation: Add in gemfile gem ‘pry‘, :group =gt; :development Then execute bundle install You can.Usage: Replace the IRB method w
$ Rails _ 3.0.5 _ new depotRubygems. RB: 244: In 'bin _ path': Can't Find gem railties (["3.0.5"]) with executable rails (GEM: gemnotfoundexception)ErrorAfter you reinstall rails sudo gem install rails -- version 3.0.5$ Rails _ 3.0.5 _ new depotDependency. RB: 247: In 'to _
Ruby on Rails Session 1: How to Build a Ruby on Rails on the Ubuntu., railsubuntuAbout Ruby on Rails Ruby on Rails is an application stack that provides developers with a framework to quickly create a variety of web applications. ruby on Rails does take a little while to ins
How can we improve the performance of RailS Applications ?, Improve rails Is rails slow? 「 Railway is slow 」. You may have heard of this joke. What about our Rails framework?If Rails is slow, how to improve the performance of Rails
1. What is internationalization (i18n )? I18n (International): According to Wikipedia, internationalization refers to the process of software design and decoupling from specific languages and regions. When the software is transplanted to different languages and regions, the software itself does not need to be changed or corrected in internal engineering. Of course, the official definition is always very tall. In fact, what we have to do today is not that complicated. The task is to provide multi
1. Why write Tests Rails makes it easy for us to write tests. When we created model and controller, rails helped us create the skeleton code for the test. By simply running your test code, you can make sure that your code still satisfies the requirements after refactoring. The rails test simulates the browser request so that you can test the application's resp
About Ruby on Rails Ruby on Rails is an application stack that provides developers with a framework to quickly create a variety of Web applications. ruby on Rails does take a little while to install on a virtual server, but luckily there are a lot of helpful tools to make this process as easy as possible. you can run this tutorial on your droplet as a user with S
I have always been very interested in Ruby on Rails. I want to see something that has been praised by many people, but I have been working on windows development, it is still a headache to build the development environment of Ruby on Rails, Which is why Ruby on rails has not been studied. I just saw InstantRails In javaeye, an All-In-One suite, which can help you
The previous 30 articles are based on the contents of the book written, rarely have their own understanding, from this beginning to understand some of the internal rails mechanism, so understand more things, less code, this time we look at the Rails directory structure. About the directory structure of rails, we should have some understanding of the previous exe
When Ruby and rails were red and red, Java fans were not idle, and groovy was developed as a response to Ruby. Now, the response to rails is also coming ~~~~~~~~~~~~~~~ Groovy on rails (grails) 0.1 (0.1 is not 1.0) released Thanks to the mature and powerful Java virtual machines, database drivers, and third-party class libraries, grails does not need to implem
References: Http://www.turnkeylinux.org/forum/support/20110826/how-upgrade-turnkey-rails-rails-301 Https://rvm.beginrescueend.com/rvm/install/ The procedure is as follows: 1. Select root for Installation 2. Install curl # Install curl. It's needed to install rvm the easy way. Ignore the error about the java. So:Apt-Get install curl3. Install rvm # Install rvm: (here Bash is followed by a sp
Introduction: Ruby on Rails is just one aspect of making Ruby very powerful, just as EJB is part of the Java Enterprise platform. Andrew Glover reveals what Java developers can do with Ruby. Before I begin this article, I need to clarify a few things. First, it's not an article about Ruby on Rails. If you want to learn about Rails, there are articles and blogs t
After reading this article, you should be familiar with the following: All the obvious countermeasures. The concept of a session in rails, where the content is stored, common means of attack. A large number of allocation issues in rails. There are a few things that you have to focus on when providing a management interface. How to manage Users: Login, exit, attack methods at all levels. Common method
Key points for creating Rails Applications in China (in windows 7, Rails 4.2.0) and rails4.2.0 1. the application created using the rails new command will not succeed when the bundle install is automatically executed. Based on the error prompt, it is determined that the cause may be the security problem of the wall and https certificate. as a development envir
Install and use jquery-file-upload step by step1. Install gem Add the gem of jquery-fileupload-rails and paperclip to gemfile: gem "jquery-fileupload-rails"gem 'paperclip'2. Add in APP/assets/application. js //= require jquery-fileupload3. Add in APP/assets/stylesheets/application.css *= require jquery.fileupload-ui4. Create a picture data table rails g mo
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