rails toolbox

additional arguments are required in parentheses + while(Result.next ()) - //When the result set is not empty +System.out.println ("School Number:" + result.getint ("id") + "name:" A+ result.getstring ("name")); at } - Catch(Exception e) - { - e.printstacktrace (); - } - finally in { - Try to { + //close each of the above objects individually, because if you do not close it, it will affect performance and consume

Reprint, original link http://linux.cn/portal.php?mod=viewaid=170 using Ubuntu to build a Ruby on Rails Local development environment Want to develop a Ruby on Rails app? Although there are already some (beginner) Ruby on Rails tutorials, there seems to be some uncertainty about how to build a clean and updated local development environment.This tuto

Using Ruby On Rails on Bluehost: This is intended to be a brief introduction to developing ruby on rails applications on a bluehost account. at the bottom of this article you will find a number of resources to help you learn more about ruby on rails and related information, as well as links to some rails tutorials that

Build RubyMine + Ruby On Rails + MySQL development environment in Windows I recently took over a mobile phone project. Some problems have been encountered during the environment setup process. We have recorded the problems in the following article and offered our solutions. Development Environment: Windows 2003; JetBrains RubyMine6.3.3 1. download the latest version of ruby(rubyinstaller-2.0.0-p598.exe, the latest version) Official Website: http://rub

The debate On Ruby On Rails in the Java Community is already fierce and there will be no signs of stopping in the future. Rails Supporters praised it for its amazing efficiency, which is about compared with Java development. As a Java programmer, your subconscious reaction is that you do not trust the high efficiency of any publicity, because you may have heard of this before, but you are very disappointed.

In the Rails project, due to late demand changes, you need to add a field in the products database to meet the classification of multi-country commodities:rails g migration add_locale_to_products locale:stringAfter that, normal web app operations are normal, but an exception occurred at the end of the test:rake testPrint out a big lump of error:(, no new fields are seen in the Test.sqlite3 database. The following command is used to force the database

There is a chance to try rails again, only the original contact is 2, now has become 4, it seems that the installation is now faster than the original. Rails 4 Installation Aimed at installing the RVM Copy Code code as follows: Gem Install Rails If not, it should be: Copy Code code as follows: sudo gem install

This article details how to configure Ruby on Rails development environment in Windows, and hopefully it will help ror beginners. First, download and install Ruby The best choice to install Ruby under Windows is Rubyinstaller (one-click installation package).Download Address: http://rubyforge.org/frs/?group_id=167.We are here to download the newer Rubyinstaller-1.9.3-p0.exe one-button installation package. This installation package contains a number

Before you start About this tutorial Ruby on Rails (rails) is a full-stack WEB application framework written in Ruby, and Ruby is a rich, free, extensible, portable, object-oriented scripting language. Rails is very popular among WEB application developers. With it, you can quickly and efficiently develop Web applications and deploy them to any web con

At first, I saw a lot of attractive applications about Ruby on Rails. Like many more eager programmers, I learned Ruby syntax and plunged into the beautiful palace of Rails, experience the sense of accomplishment of rapid Web application development, but I have to always be confused by lack of in-depth understanding of the Ruby language: Why does this class have nothing to do? Why does it work? What does th

Recently because of an aurora push friend, I started about three or four days of the Rails learning path, the final level is to be able to make most of the functions more easily, and then self-feeling can freely follow the design of rails to think. Because of the growing popularity of programming, I have met more and more non-computer students to start writing code for hobbies, but most of them may be using

How to Improve Ruby On Rails Performance 1 Introduction to Introduction It is always said that Rails is so slow that it has become a common issue in the Ruby and Rails communities. However, this statement is not true. As long as you use Rails correctly, it is not difficult to increase the running speed of your applicat

Preface Rails 3 has many new terms, such as railtie, engine, and application, which are closely related to the rails Startup Process and gem development, try to analyze the Startup Process of rails 3 and give yourself an explanation. Enter: Rails s Start. First, let's see what rai