ruby on rails salary

)FROM empsalary; depname | empno | salary | rank -----------+-------+--------+------ develop | 6 | 6000 | 1 develop | 7 | 4500 | 2 develop | 5 | 4200 | 3 personnel | 2 | 3900 | 1 personnel | 4 | 3500 | 2 sales | 1 | 5000 | 1 sales | 3 | 4800 | 2 4 times of acceleration is impressive, and sometimes you get more, to 20 times. From my own experience, let's take an example. I have a three-dimensional OLAP multi-dimensional dataset with 600 k dat

window function to do the same work over 4 times times in 1.1 seconds. SELECT Depname, empno, salary, rank () over (PARTITION by depname order by salary DESC) from empsalary; Depname | Empno | Salary | Rank -----------+-------+--------+------ Develop | 6 | 6000 | 1 Develop | 7 | 4500 | 2 Develop | 5 | 4200 | 3 Personnel | 2 | 3900

languages, you also need to prepare other files ): [1] En. yml (English version) [2] zh-CN.yml (Simplified Chinese)2.3 Step 3: edit the config/locales folder (1) For example, in this folder, we can see that there is only one file: En. yml. Open it and find that there are only two lines of code: en: hello: "Hello world" This is a yml file template. Now we need to replace it with the above en. yml Click "EN. yml" to open the file, copy and paste the webpage content, and overwrite the original e

about REST, SOAP, Rails Active Resource, and how to improve interoperability between multiple applications. Ruby on Rails Ruby on Rails (also known as rails or RoR) is an open source Web application framework written in

Several solutions to improve Ruby on Rails performance: rubyrails Introduction The Ruby On Rails framework has received wide attention since it was proposed. Under the guidance of ideas such as "do not repeat yourself" and "convention is better than configuration, rails brin

Installing Ruby with Upgrade RubyGemstip: If you are prompted for permission issues during the installation process in the Ubuntu environment, you can use sudo make and sudo makes install. 1.Ruby Installation wget http://ftp.ruby-lang.org/pub/ruby/1.9/ruby-1.9.3-p125.tar.gz \ TAR-XZVF

This chapter launches the introduction of model: including check and delete operation. And then the above section, [Ruby on Rails] and I learned the HelloWorldCreating models using commands to create modelsCreate a table post, default comes with two field title:string, Content:text, use the singular post instead of the plural in the model by convention postsCD Blograils G model post title:string Content:tex

Brief introduction The Ruby on Rails framework has been widely watched since its inception and, guided by ideas like "Don't repeat Yourself" and "contract is superior to configuration", rails gives Web developers a very high level of development efficiency. ActiveRecord's flexibility allows you to use a very easy-to-use Hibernate without cumbersome configuration

Several programming skills for accelerating Ruby on Rails, rubyrails Ruby is often praised for its flexibility. As Dick Sites says, you can "Program for programming ". Ruby on Rails extends the core Ruby language, but

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 Ra