rails flash

The requirement is that after the form is submitted, go to another existing page and display a conspicuous message in the blank area at the top of the page, and only display once (this message should not appear again after refresh ). Very unfamiliar with web development, pair said this requirement is similar to the Flash message in ror and asked if there is any in Java. we used springmvc + velocity to read the document and asked the person who was

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

be able to display the total number of articles in the title of the article List display page, add the code at the end of Index.html.erb as shown in Listing 6.Listing 6. View index reads the total number of articles In the header of the layout source file, add the yield method, as shown in Listing 7. This Listing 7. Display by layout source file Figure 5. The final display effect of the total number of articles The above examples are quite special, but they are

information to the view because the execution of the view is before the introduction of the layout or the effect.Data between viewsThere is often a need to pass data between views, and Rails is well-designed for this. It not only provides a unique flash shortcut mechanism, but also supports the traditional Session and Cookie functions. It should be noted that this section describes the data passing process

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

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

$ 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

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

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