1. Design background With the development of IT industry, the products become more and more complex, and the business and processes at the web end become more complicated. At present, UI testing is only for a single page, with a large amount of operations. In order to meet the needs of multi-page functions and processes ..
What is WEB Front End? Is everything the browser of the user’s computer does. Let’s look at what the browser has done when users visit the website: Enter web address-> resolve domain name-> request page-> resolve page and send resource request in page-> render resource-> output page-> monitor user action-> re-render. From the above path, ..
Round Robin is commonly known as Hash Modulus Method, which is a very common data slicing method in practice. Assuming there are k physical machines, data fragmentation can be realized through the following hash functions:H(key)=hash(key)mod KNumber the physical machines from 0 to K-1. According to the above hash function, for a record with key as ..
Negotiation process The negotiation process is easy to understand. First of all, when the browser requests some content from the Web server, the Web server needs to tell the browser which content can be cached. Once the browser knows that a certain content can be cached, the next time the browser needs to request this ..
canvas_x No need for any third-party dependence, light tool library.Canvas draws posters and generates two-dimensional codes with logo. Can also generate editing interface, user-defined input, one-button generation, etc. By default, cross-domain images are turned on, but the images on the server side also need corresponding cross-domain settings on the back end. Project address https://github.com/sayll/canvas_x Use ..
Can mongodb replica set be easily expanded to be fragmented without downtime? The method of fragmentation uses a little more machines. Can you use one replica set, and then establish multiple replica sets when fragmentation is needed to improve performance, and then use routing to control the servers to form a fragmented cluster? Sure。 Official ..
Nginx is a mirror image on doc, and blog.conf under conf.d is configured as follows However, the browser still displays the words 8080 port when accessing You need to add one proxy_set_header X-Forwarded-H..
How to configure Nginx’s reverse proxy to proxy multiple ports to different directories on the same port? I have applications A, B and C, which run on ports 8001, 8002 and 8003 respectively.The server does not have a domain name configured, so the access address isip:8001、ip:8002Andip:8003.Now I want to use Nginx to implement, only open ..
I have taught myself rails, and everyone is studying like me. We can learn and discuss from each other!Thank you https://ruby-china…
Userails g controller admin::articles index new editTo create a controller, userails g model articleThe model created. Route is namespace :admin do resources :articles end /app/controllers/admin/articles_controller.rb class Admin::ArticlesController < ApplicationController def index @articles = Article.all end def new @article = Article.new end def edit @article = Article.find(params[:id]) end /app/models/article.rb class Article < ActiveRecord::Base attr_accessible :content, :tag, ..
In general, how many ways can html and flash be designed interactively? Which is better Flash can output js to the page, call js in html, or be called back by js in html. Js can modify the params of flash to control flash.That is, flash controls DOM through js to interact with html, and ..
Do you want to know whether the large domestic company go web dev uses off-the-shelf web frameworks such as bee,echo gin, or native net/http+httprouter?Is there a big bull in a big company? I feel that if I don’t need a frame, many wheels will have to be built by myself. The frame is a tool, ..