Programmer Think

I wrote an article a long time ago that the front-end vue uses blob objects to download files. Some people believe me privately. If the back-end return flow fails, how can I get the json object given? How can the stream obtained by the front end obtain the original file name? In fact, after that article, I have optimized these two problems, so ...

title: [native javascript project] Flex Panel 05date: 2021-11-17 20:10:40tags: native javascript projectcategories: 30 native javascript projectsintroductionThis paper introduces a dynamic screening web page. The knowledge points mainly involve flex container and element click events.Effect website: https://janice143.github.io/f...text1, html p ...

Chapter IV object oriented programming 1 object oriented and process oriented Both of them are a kind of thought, and object-oriented is relative to process oriented. Process oriented emphasizes the functional behavior, taking the function as the smallest object and considering how to do it. Object oriented, encapsulating functions into obje ...

preface The full name of SSDT is System Services Descriptor Table. This table is a link between the Win32 API of Ring3 and the kernel API of Ring0. SSDT not only contains a huge address index table, but also contains some other useful information, such as the base address of the address index, the number of service functions and so on. By modi ...

When we are reptiles, we often these situations: The website is complex and will encounter many repeated requests. Sometimes the crawler is interrupted unexpectedly, but we don't save the crawling state. If we run again, we need to crawl again. There are such problems. So how to solve these repeated crawling problems? You probably think of ...

Feature Selection refers to the process of selecting those "excellent" features from the feature vector to form a new and more "streamlined" feature vector. It is very commonly used in high-dimensional data analysis. It can eliminate the characteristics of "redundancy" and "irrelevant" and improve the per ...

After version 3.5, TypeScript added an omit < T, k > type. Omit < T, k > types can exclude some attributes from inherited object attributes. type User = { id: string; name: string; email: string; }; type UserWithoutEmail = Omit<User, "email">; // Equivalent to type UserWithoutEmail = { id: string; name: string; }; ...

SpringMVC ssm:mybatis+spring+springmvc mvc three-tier architecture: pattern (Dao, Service), view (Jsp..) Controller (Servlet) 1, Introduction 1. What is spring MVC Spring MVC is a part of Spring FrameWork. It is a lightweight Web framework based on java to implement MVC Spring MVC features: Lightweight and easy to learn Efficient, request re ...

Catalogue of series articles preface 🌲 1, Lua operator An operator is a special symbol that tells the interpreter to perform a specific mathematical or logical operation. Lua provides the following operator types:Arithmetic operatorRelational operatorLogical operatorOther Operators 🌲 1. Arithmetic operator 1. Grammar The ...

1.WHY?. gitignore file just state in this file that you don't want to add those files to git, so when you use git add These files are automatically ignored2. Principle of ignoring documentsIgnore the files automatically generated by the operating system, such as thumbnails;Ignore the intermediate files and executable files generated by compilat ...