This article is not an article about NodeJS and Ruby on Rails. It only describes the reasons behind the thinking and decision-making in our decision-making process. The two frameworks are both excellent and both of them are well designed. This is why some of our modules are still running on NodeJS.
I am a big fan of NodeJs. I think this is a very exciting technology and I believe it will become more and mor
Statement: This article is not an article about nodejs and Ruby on Rails. It only describes the reasons behind the thinking and decision-making in our decision-making process. The two frameworks are both excellent and both of them are well designed. This is why some of our modules are still running on nodejs.
I am a big fan of nodejs. I think this is a very exciting technology and I believe it will become m
Installation configuration IBM DB2 9 PureXML
This series of articles describes how to use XForms, IBM DB2 PureXML, and Ruby to simplify the development of WEB applications, divided into four parts, this is the first part. This series of articles will develop a fictional application to manage outpatient information for a small hospital. You'll see the power of each technology, and you'll see how to combine it. The first part will explain how XForms, D
Ruby on rails gem install pg cannot be installed, rubyrails
gem install pg -v '0.18.2'Building native extensions. This could take a while...ERROR: Error installing pg: ERROR: Failed to build gem native extension. current directory: /Users/bevan/.rvm/gems/ruby-2.3.0/gems/pg-0.18.2/ext/Users/bevan/.rvm/rubies/ruby
In Ruby on Rails(http://www.maiziedu.com/course/ruby-px/) , many rails Programmers often forget to consider performance issues, which can lead to slow website speeds, a spike in memory usage,and frequent reboots ofApache , so you'll need to optimize rails performance. The s
According to "Ruby on Rails" and I learned the route map, we know that can be accessed GET /posts/ :id (. :format ) to display specific objects.1. Modify the actionModify the APP/CONTROLLERS/POSTS_CONTROLLER.RB show this action. Here's a puzzle, what if I get the parameters inside the URL?can be accessed via the params built-in variable! As follows: def show @post = Post.find (Params[:id]) end2. Modify
inheriting the virtual class, and then connect different databases. This is achieved by distributing the models to a different database.
In this project, there are two abstract Class model corresponding to the application database, and the log library respectively. These two abstract Class model are:
Ruby Code
-Speciesschemamodel
-Loggingmodel
and their corresponding databases can be found in the definition of DATABASE.YML, respectively
Java co
://ftp.ruby-lang.org/pub/ruby/1.9/ruby-1.9.3-p0.tar.gz
Tar xzvf ruby-1.9.3-p0.tar.gz
CD ruby-1.9.3-p0
./configure--prefix=/usr/local--enable-shared--disable-install-doc--with-opt-dir=/usr/local/lib
Make
Make install
Vi. Upgrading the Gem and installing Rai
Configure Ruby on Rails in CentOS and deploy RedmineGitMake sure that the dependent packages are installed:[Plain] view plaincopy
Yuminstallcurl
Yuminstallcurl-devel
Yuminstallzlib-devel
Yuminstallopenssl-devel
Yuminstallperl
Yuminstallcpio
Yuminstallexpat-devel
Yuminstallgettext-devel
Download the git package and compile and install it:
[Plain] view plaincopy
Wgethttp: // www.codemonkey.org. u
Recently, many people have emailed me all the vim packages. Download is provided below. You just need to download them. You don't have to send me any more emails. Of course, you are welcome to leave a message on my blog.
Now vim-Ruby is installed. Of course, you need to install it yourself. A simple command is provided below Ubuntu:Sudo apt-Get install vim-RubyHowever, it seems that if your vim version is 7.0, Ru
This article is where I read Hugh wrote "Build Ruby on Rails development environment on Mac OS X", followed his steps and sorted it out. The content is basically consistent, adding some graphs. If you want to see the original content, look at the Hugh blog here.
To install Ruby on Rails on a Mac, you first have to inst
Rails has a built-in Log function, or, more accurately, Rails exposes the Logger object, which can be used in all Rails programs.
Logger is a simple Log framework transplanted from ruby (you can type ri Logger in the ruby command line to view the documentation of the stand
Writing a database management system with Ruby on Rails is very fast. Ruby on Rails has such a high productivity, not only is Ruby's syntax flexible, but it's all a big program thanks to activity records (active record). So what is an activity record? If you explain it in one sentence, it's a framework that maps data t
1. Nginx Installationsudo apt-get install Nginx2. Ruby Installationsudo apt-get install RubyView version Ruby-v3. Rails Installationsudo apt-get install RailsView version Rails-v4. MYSQL InstallationSUDP apt-get Install Mysql-server myusql-clientLog in to MySQLMysql-uroot-pCheck the port occupied by the MySQL serverNET
Tutorial Requirements
The following techniques and resources are required to learn this tutorial:
Database server
NetBeans IDE 6.0 with Ruby support
To create a sample database
This tutorial builds the relationship between the Rails model based on another tutorial. If you have completed that tutorial, you can start with the project that was generated when you completed the tutorial and go directly to t
D:ror directory (the directory is built by me, the reader can freely )Install MySQL for Ruby driver, command line type: Gem install Mysql-2.8.1.gem6. Go to http://download.csdn.net/detail/luoyeyilin/3614807 download Instantrails-2.0-win.zip extract, search under mysql.so,80k size file Copy the mysql.so to the C:\RUBY\LIB\RUBY\SITE_RUBY\1.8\I386-MSVCRT.You can th
Development Environment:
OS: Windows XP
RUBY: ruby1.9.1
Rails: rails2.3.5
IDE: rubymine2.0.1
Flash builder: Flash builder4
Background:
In ruby-Flex practice-using swfobject to load SWF in a ruby project describes how to reference SWF on the rails interface. This example des
For Mac occasions:Which Ruby-"/usr/bin/ruby-" This is the Ruby that comes with Mac, and we want to be able to manage the Ruby version.Installing RVMCurl-l https://~/.profileCheck install ruby conditionRVM RequirementsStatus 1 is wrong." $ (curl-fssl https://raw.githubusercon
Tags: railsThere are 11 chapters in total, a simple Weibo system.The development is driven by testing, so there are a lot of test code in the book. At the beginning, I felt very uncomfortable. After a while, I still don't like this development method. Finally, I chose to organize the knowledge points in the book in my own way. That is to say, I separate the development part from the test part. After thinking about it, I think the knowledge points can be divided into the following four points.1.
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