Category : web

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 ..

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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 ..

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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 ..

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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 ..

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