Programmer Group

catalogue 1, Hardware principle 2, CUBEMX configuration 3, Programming 4, Observation phenomenon 1, Hardware principle The difference between the keys on the expansion board and those on the foundation board: Basic board: four keys are independent keys, and each key corresponds to an IO port; Expansion board: the eight keys are like in ...

Focus on official account dry cargo WeChat public: K brother crawler, keep sharing crawler advance, JS/ Android reverse technology dry goods! statement All contents in this article are for learning and communication only. The packet capturing content, sensitive website and data interface have been desensitized. It is strictly prohibite ...

1, BackgroundWhen writing unit tests, we occasionally need to obtain the contents of the logger output of the tested object for assertion or troubleshooting through unit tests.For example: (1) You need to Assert that a log has been output (you can't just change the output object to Console to view the content, you also need to Assert through A ...

Foreword: require parsing in webpack First, make it clear that the requirements used in the project configuration files such as webpack.config.js belong to the category of nodejs, and after entering index.js, the requirements in the loaded components belong to the category of webpack parsing. Usage of require in webpack: let url = "@/assets/im ...

prefaceThe official documents of TypeScript have already been updated, but the Chinese documents I can find are still in the older version. Therefore, some newly added and revised chapters are translated and sorted out.This article is compiled from "TypeScript Handbook" Typeof Type Operator "Chapter.This article is not translated ...

It is said that the roommate static member variable does not know its role, and it is also said that the roommate const is not very good. I wrote this study note with my backhand. The data members in a class not only have int s and char s, but also describe many complex situations. The data members in a class may need to be shared among multipl ...

catalogue Write before: Preface - array defects What is a linked list node Chain header Create a new node Play - inserting nodes Traversal of linked list Lookup (search) of linked list Delete Linked List Clearing of linked list summary Write it at the back reference material Write before: This article is suitable for beginners ...

catalogue 1, Concept of transaction 2, Operating transaction commands in MySQL database   2.1. Write the test SQL script as follows: 2.1. Start transaction 2.2. Commit 2.3. Rollback 3, Using transactions in JDBC 3.1. JDBC transaction example   3.2. Set transaction rollback point 4, Four characteristics of transaction (ACID) ...

Thesis title: interpreting task specific knowledge from Bert into simple neural networks Paper link: https://arxiv.org/pdf/1903.12136.pdfabstractIn the literature of natural language processing, neural networks become more and more deep and complex. The first sign of this trend is the deep language representation model, including BERT, ELMo an ...

The project requirements are as follows: it is required to realize the "expression + text effect" similar to wechat chat 😀😀😀” Three schemes of expression package The implementation of expression package can be divided into the following three cases: Expression package: click expression - directly send a big expression (this ...