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🛴 preface stay The previous two articles In, we explained the introduction of webpack. However, after the introduction knowledge is understood, it must be applied to specific cases. Therefore, in the following article, we will lead you to learn about some actual case configurations of webpack, including the packaging configuration of t ...

Array grouping in JavaScript: array groupBy()Original text: https://dmitripavlutin.com/ja...Due to the rich library of standard utilities, many developers prefer the Ruby programming language. For example, Arrays in Ruby There are a lot of ways.JavaScript has also gradually enriched its standard library of strings and arrays. For example, in th ...

preface With the product iteration, there are more and more bullet frames in the project, and there are more bullet frames shared by business modules. In the initial stage, it may not be a common business pop-up box. We only put it in the current business module. With the iterative upgrade, some modules will become common bullets. In short, a ...

notes Single line comment ctrl + / (VSCode) // Multiline comment Shift + alt + a(VSCode) /**/ There are keyboard shortcut settings in the lower right corner of VSCode - > Enter default shortcut - > double click to change JS input / output statement methodexplainascriptionalert(msg)Browser pop-up alert boxbrowserconsole.log ...

catalog: 1,Adaptive ellipse rendering 2,Drawing of parallelogram 3,Corner cutting effect 4,Trapezoidal tab 1. Adaptive ellipse renderingProblem Description: we know that as long as we set a fixed value or percentage for border radius, we can achieve the effect of fillet, but how to achieve ellipse?In fact, we can use border radius to separatel ...

Modular development There is an environment compatibility problem with ESModules Too many module files and frequent network requests All front-end resources need to be modular Requirements, compile all ES6 codes into ES5 or better compatible codes, package the converted codes into a file, and support different types of resource modules; T ...

HttpServletResponse object In the Servlet API, a GttpServletResponse interface is defined, which inherits the word ServletResponse and is used to encapsulate HTTP response messages. Method for transmitting status code When the Servlet sends back the response message to the client, it is necessary to set the status code in the response me ...

prefaceReprinted from Sohu - front end Engineering - building enterprise general scaffoldWith the concept of front-end engineering getting deeper and deeper into FEer's heart, the standardization and standardization of technology selection, code specification, construction and release processes in the front-end development process need tools to ...

click One click subscription to the column of "cloud recommended coffee" , get the official recommended high-quality content and don't get lost in learning technology!Readable code can greatly improve development efficiency. In the process of development, I spend a lot of time reading code. Readable code, easy to understand and easy t ...

Configuring cross domain Cors with SpringBoot 01. Homology strategy The same origin policy is a security function of the browser. Client scripts from different sources cannot read or write to each other's resources without explicit authorization. Homology policy is the cornerstone of browser security. What is the source The source [origin] ...