ruby on rails tutorial learn web development with rails

More and more companies are starting to choose rails as a framework for Web applications. Rails used to be primarily a choice for light companies, but today some "heavy" companies (such as insurance, finance and other industries) are starting to take rails into account within their internal applications and even outsid

The most troubling thing about rails development is environmental issues. With its own ideas and the help of a great defense project, the configuration of each environment takes a long time to solve, and there are many inconveniences in collaborating with others. So I've been trying to do a development environment that can be reused at any time. 1. Install Docke

Ajax|rails A brief history of AjaxIn just a few months, Ajax has become the hottest thing from a very obscure and rare technique. This article will introduce the extremely Easy-to-use AJAX support-implemented as part of the Ruby on Rails Web application framework. This article is not a detailed

Ajax|rails 　　 A brief history of Ajax In just a few months, Ajax has become the hottest thing from a very obscure and rare technique. This article will introduce the extremely Easy-to-use AJAX support-implemented as part of the Ruby on Rails Web application framework. This article is not a detai

Recently, organization leaders deployed a task to develop the user self-service system. This task was completed independently by only one of me-Haha, a wonderful job. It happened that the landlord was recently confused by the wonderful features of Ruby, so he put it into the arms of Ruby on Rails without hesitation. However, in the process of system

V. Installing the RAILS Environment Rails environment uses mongrel erection.1. Install RubyTAR-ZXVF ruby-1.8.6.tar.gzCD ruby-1.8.6./configure–prefix=/usr/local/rubyMakeMake install Add Ruby to PathVi/etc/profileRuby_home=/usr/local/rubyPath= "${ruby_home}"/bin: "${java_hom

I want to quickly do the project, please recommend a useful, vibrant, easy to learn, have the potential of the web framework. Reply content: I want to quickly do the project, please recommend a useful, vibrant, easy to learn, have the potential of the web framework. Look, you're familiar with that language, fla

1, the first is the installation of RVM,$ gpg--keyserver hkp://keys.gnupg.net--recv-keys 409b6b1796c275462a1703113804bb82d39dc0e3$ Curl-ssl Https://get.rvm.io | Bash-s Stable$ Source ~/.RVM/SCRIPTS/RVMecho "Ruby_url=https://cache.ruby-china.org/pub/ruby" > ~/.rvm/user/dbThere should be no problem, test RVM, command line input: rvm-v If the version number is returned correctly, OK.Use environment check: RVM requirements, here encountered the issue of t

objects in sessions. When necessary, the session can store numbers or strings, and then retrieve data from the database based on the session content when processing a single request. (The new session mechanism in rails 2.0 solves this problem) Avoid handling response requests with a large amount of information ). When you encounter a request to process a large amount of information, you can mark the change record as pending, and then use a Cron tran

Testdouble testdouble-jasmine --devExplain:Use Yarn Package Manager to manage the standalone JS. Use yarn to load these modules. The --dev command adds these modules to the separate section in Package.json. (that is, these modules are used only in development environments, and are used for testing) tags are "devdependencies""Devdependencies": {" Jasmine": "^3.1.0", libraries that write code" Jasmine-core": "^3.1.0", libraries that write code"

prevent these vulnerabilities. Of course, the vulnerability is also changing, on the line after the deployment of a trend of the antivirus wall more insurance. = = As a rails developer, talk about the top ten web security vulnerabilities and how to guard against these vulnerabilities in rails development. A1-cross

Common commands Rails new New_app cd New_app rake db:create Rails server rails generate controller Blog action1 action2 Rails Generate model Comment commenter:string body:text post:references Rake db:migrate rake db:rollback Rails t

The Rails Actionview::helpers::texthepler module provides a number of practical methods that are useful for forum class applications, such as Auto_link, which automatically detects URLs in incoming strings. and automatically converts it to HTML hyperlink format, which is good for displaying the content of a post. But in the development of JavaEye3.0, but found that auto_link have bugs, once the post URL fo

-Right: 10px; padding: 0;}/* use these classes to set how wide a column shocould be. */. span-1 {width: 30px ;}. span-2 {width: 70px ;}. span-3 {width: 110px ;}. span-4 {width: 150px ;}.... span-8 {width: 310px ;}. span-9 {width: 350px ;}. span-10 {width: 390px ;}.... span-23 {width: 910px ;}. span-24 {width: 950px; margin: 0 ;}. span-25 {width: 200px;}/* Custom class, but violates the original blueprint Calculation formula */. span-26 {width: 1150px; margin: 0;}/* Custom class for wide screen.

. ... I have seen many people ask "what language should I learn?" (although I am Programming ruby with interest and entertainment options, I may also recommend ruby ,) I just want you to spend a little time studying this. it's better to use a variety of languages for a short time. then Let your language be your choice. If a language does not affect your view

In the process of dealing with some of the more progressive junior programmers, we summed up some of the experience to help qualified programmers as soon as possible, in general, more learning, more practice does not suffer. This article comes from an excerpt from the Java Web Lightweight Development Interview tutorial.1 which knowledge points can be postponed to

　　 Help the Home (www.Bkjia.com) NewsThis article is not a big battle between Ruby and PHP. It's just that the problem with Ruby in this article is that the lack of library support, the ease of expansion, the ease of crashing, and so on, are all things that the Web programming language needs to improve. This article is from Killerphp.com's webmaster Stefan Misc

understand the depth, you can go to the direction of Linux and other development. four sections Here's a rough list of the four-part points of knowledge that you need to master when you're learning web development. The basics of web frameworks, such as

"annual Salary"From EMP ORDER by 3 DESC;SELECT ename,job,sal from emp ORDER by Job,sal DESC;SELECT ename,job,sal from emp ORDER by Empno;Modify Default display widthSET line[size] {80|n}SET Line 100L display the SQL statement in the buffer you just enteredN Text modified section of error'/' (run) commandSAVEGET@ or Start command when the specified script file contents are loaded into the SQL buffer to runSpool commandSELECT * from EMP;SELECT * from Tab;DESC EMP;DESC Dept;This article from "ZQSL

0 reply content :--- Update: Add a meteor react translation address. --- I feel that the difference will become very small after a framework is used. You don't have to talk about writing native. For example, PHP's Laravel and Rails are not very different. I am working on Laravel, but I have been familiar with Rail and I have written a little bit of Rails gadgets. After using it, I think it's almost the sa