ruby web server example

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 Rails tutorial, which has automatically made our environment configuration work,

presentation layer is rendered by the browser The logical layer manipulates the data from the server side and goes to the presentation layer The data layer is responsible for storing the data. 6-tier architectureIf you divide it further, you get a 6-tier architecture, such as The presentation layer is divided into the client layer and the presentation logic layer The client layer is responsible for rendering the display page

The presentation layer is rendered by the browser The logical layer manipulates the data from the server side and goes to the presentation layer The data layer is responsible for storing the data. 6-tier architectureAssuming a further cut, you get a 6-tier architecture, such as The presentation layer is divided into the client layer and the presentation logic layer The client layer is responsible for rendering the display

language in the world, without ruby, you may feel like you are the only one that keeps up with the world's trends. (Change Shen Wen's answer) php will think that php is the best language in the world, and python will feel full of pressure, ruby will think that he is the 23333 way of thinking that keeps up with the world's trends. He is a real guy, But now popular languages are more or less integrated, for

1, Aliyun a key to install the Web-wide environment Download one-click to install Web full-environment Sh.zip compression packUpload to the server, decompression, execute the script, detailed steps described here $ mv sh.zip/home/tmp/ cd/home/tmp $ unzip sh.zip $ chmod-r 777 Sh cd SH # arbitrary selection of a method to execute a script # method One $./

as follows:Development:Adapter: sqlserverHost: mydb.netDatabase: myapp_developmentUsername: saPassword: secret How many methods does ruby connect to the database? How can I connect to SQLServer? For example, how does ruby connect to SQL SERVER in windows and linux. YesJAVA programming to access the SQL

With the page cache, Rails can no longer intervene. In a way, that's a good thing, because you can really get good performance. Rails simply creates an HTML page, puts it in a directory, and after that, it can be placed behind your head. From then on, the application server manages the pages and the pages go into the application server without any loops. From a performance perspective, page caching is a god

1. Write CGI A simple CGI program is as follows: #! /Usr/bin/ENV RubyPrint "HTTP/1.0 200 okrn"Print "Content-Type: text/htmlrnrn"Print "Hello world! RN" We can use Ruby to process submitted parameters, fill templates, generate HTML, and so on, but it is a little troublesome. We can use the CGI Module. 2. Use CGI. Rb CGI. Rb is used to write CGI scripts. It can operate form, cookies, environment variables, and maintain sessions. You should know where t

Rails help documents and API documentation: Rake Doc:guides Rake doc:rails When the command is complete, the document is generated to the doc directory. Create a custom command in Railswhen you develop a WEB application, you will inevitably encounter a command script that needs to be written at the end of the execution. For example, to import data from a very large text. It's fairly straight

and Nginx. WEB Application The WEB server accepts Http Request, returns Response, many times Response is not a static file, therefore need an application to generate corresponding Response according to request. The applications here are mainly used to process the related business logic, read or update the database, and return the corresponding Response accordi

accepts Http Request, returns Response, and many times Response is not a static file, so an application is required to generate the corresponding Response based on the request. The application is mainly used to process the related business logic, read or update the database, and return the corresponding Response according to different Request. Note that this is not the WEB server itself to do this, it is o

Unable to start debugging on the Web server. The web server cocould not find the requested resource That is, the web server cannot be started. The Web

server types independently of each other. Now you can really match the WEB server with the framework and then choose your favorite pair. For example, you can use Django,Flask or Pyramid, with Gunicorn,nginx/uwsgi , or waitress to combine. Thanks to WSGI's support for both the serv