rake server

Rake Introduction Rake means Ruby make, a code-building tool developed with Ruby. But why does Ruby need rake? It's supposed to be that Ruby code doesn't need to be compiled, so it doesn't have to be rake. It turns out, rake has another magical effect, that is,

Rails does come handy, a rails generate scaffold command to generate all the files for view, controller, and model, and then execute rake db:migrate You can generate the corresponding database table structure. And this simple rake db:migrate has an unexpected problem: Let's start with the background: rails When you create a project, the SQLite database is used by default. In order to get started quickly, I

Problem description: rake aborted occurs when the rails project executes rake DB: migrate data migration, Solution: Check the prompt and run bunlde exec rake DB: migrate. The migration is successful! Knowledge added: difference in using bundle exec rake DB: migrate (derived from: http://www.iteye.com/problems/731

Rake is a program written in Ruby and we use rake to read the rakefile. And Rakefile contains defined tasks, each with a name, and some of the tasks it relies on, and a set of actions to perform. Now let's take a look at the rake in Rails. When you create a project using rails ' generate scripts, you automatically generate a Rakefile file in the root directory of

I do not know if you have to transfer data to the migration file experience, I believe that both the veteran and novice have done it. In fact, doing this is not going to work, but this practice will slowly introduce you to some unnecessary problems. It is generally thought that the contents of the Db/migrate folder are about the evolution of your database schema, and each new development or online environment will build the available databases through these migration. But if it's loaded here, r

Ruby You don't need to talk about this.Rvm It is used to help you install the ruby environment, help you manage multiple Ruby environments, and help you manage the ruby environment on which the ruby application you develop uses the machine. The ruby environment is not only Ruby itself, but also a third-party Ruby plug-in on which it depends. All are managed by rvm.Rails Needless to say, this is a well-known development framework. Look at http://zh.wikipedia.org/wiki/Ruby_on_Rails in detailRubyge

Ruby That's not much to say. RVM Used to help you install a ruby environment, help you manage multiple ruby environments, and help you manage which Ruby environment you use on your computer for each ruby application you develop. The ruby environment is not just Ruby itself, it also includes dependent Third-party Ruby Plug-ins. are managed by RVM. Rails This also needless to say, the famous development framework. See Http://zh.wikipedia.org/wiki/Ruby_on_Rails in detail RubyGems RubyGems is

its properties. And a lot of beginners are accustomed to using some framework to manipulate the data table, in fact, you can use the functions provided by rails itself can operate the data table. This function is the migrations function. Most rails developers use the basic functionality of migrations migration to create and manage databases. The Data Migration feature allows you to manage your database solution using Ruby language, and you can take advantage of some ruby-specific tools, such a

Transferred from: http://henter.me/post/ruby-rvm-gem-rake-bundle-rails.htmlRubyThat's not going to be a lot.RVMTo help you install the Ruby environment, help you manage multiple ruby environments, and help you manage which Ruby environment is used on the machine for each Ruby app you develop. The ruby environment is not just Ruby itself, but also a dependent third-party ruby plugin. are managed by RVM.RailsThis also needless to say, well-known develop

Ruby You don't need to talk about this. RVM It is used to help you install the Ruby environment, help you manage multiple Ruby environments, and help you manage the Ruby environment on which the Ruby application you develop uses the machine. The Ruby environment is not only Ruby itself, but also a third-party Ruby plug-in on which it depends. All are managed by RVM. Rails Needless to say, this is a well-known development framework. Look at http://zh.wikipedia.org/wiki/Ruby_on_Rails in detail Rub

Problems with installing plug-ins redmine_release_notes1, redmine_release_notes:https://github.com/hdgarrood/redmine_release_notes2. Installation Environment: Local redmine2.3.43. Problems occurred: Follow the installation steps on the installation: do the migrations. rake redmine:plugins:migrate Load the default formats (optional, recommended). If you've been using earlier versions, this would read your

ArticleDirectory 1. Create a model named blog During website development, databases often change, and repeated input of some test data is very troublesome. In this case, you can use rake DB: seed to initialize some data, which will call dB/seeds. RB file, instance description. 1. Create a model named blog Run rails G model Blog content: string created: datetime title: Text A new app/models/blog. RB will be created with the following

Using Rake in Rails to manage MySQL databases as an excellent programmer, in addition to writing a large number of programs, it is inevitable to create a large number of databases. In the past few years, I have created and managed a large number of MySQL databases. in this process, I have used various tools for management, so that the process is simpler, for example, the preferred graphical management tool PHPMyAdmin and command line-based MySQL clent

Today, I opened the RSS feed from delicious and saw many people collect the latest Fowler's recommendation for rake. ArticleAfter reading this article, I feel that it is really good and can replace ant. Ant's XML method has been unpleasant. XML is designed for machines. It has never been a chance to use ant in large quantities. The source code of rake is also good for learning Ruby. Its original protot

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The IIS Server Load balancer ARR routes requests to the ARR server and the processing server. The Server Load balancer arr . Net web uses the iis arr (Application Request Route) technology to achieve high web performance, high reliability, scalability, and load balancing. For more information about how to use ARR, seeI

git-h bundle exec Rake Gitlab:env:info rails_env=production Install Nginx Yum-y Install NginxTo modify a configuration file:Vim/etc/nginx/nginx.conf User root git;Worker_processes 2;Pid/var/run/nginx.pid; Events {Worker_connections 1024;} HTTP {Include/etc/nginx/mime.types;Default_type Application/octet-stream; Log_format Main ' $remote _addr-$remote _user [$time _local] ' $request '' $status $body _bytes_sent ' $http _referer '' $http _user_ag

Label:How to deploy Rstudio server on a Linux server, configure ODBC after you remotely access SQL Server through the RODBC package background: before writing an article that mentions the recent deployment of Rstudio server (building the analytics environment for the data Analysis Team), it took one weeks to set it up.

PHP is a scripting language that requires the PHP interpreter to parse and run PHP files. When PHP is used as a CGI service Web request, it needs to be embedded in some kind of Web server, most commonly integrated into Apache or IIS, that is, before using PHP, you need to install Apache or IIS, and correctly configure them and PHP integrated parameters. Although this configuration is already very prescriptive and the documentation is very rich, we oft

Project background: Read more than write, about 4:1 of the proportion bar, the user is more than million, concurrent 4000 or so (can be high can be low, high to 10K, low 1K) the performance of several servers is similar, and load balancing can be evenly divided to each server I'm letting them face the user directly from one to the other through load balancing (that is, ABCD can be accessed directly). or let them do their own thing. (