Programmer Think

About the author: daemon Wu, Linux kernel performance optimization engineer, works in a micro mobile phone factory, engaged in mobile phone performance optimization. Motto: unity of knowledge and practice.Original creation: all kinds of community original good articles delivered by taixiao readers.Copyright notice: This article was first publis ...

contentwebsiteJavaScript personal learning notes Summary - quick starthttps://blog.csdn.net/weixin_50594210/article/details/115112096?spm=1001.2014.3001.5501JavaScript personal learning notes Summary - functionhttps://blog.csdn.net/weixin_50594210/article/details/115113081?spm=1001.2014.3001.5501JavaScript personal learning notes Summary - ...

Several commonly used design patterns (I): design principle, strategy pattern and observer pattern Core: reuse - resist change Object oriented design principles: 1. Dependency Inversion Principle (DIP) High level modules (stable) should not rely on low-level modules (change), but both should rely on abstraction (stable). Abstract (st ...

1, Bitwise logical operator 1. Binary inversion or bitwise inversion:~ Unary operator ~ changes 1 to 0 and 0 to 1. example: ~(10011010) // expression 01100101 // result newval = ~val; // The value of Val will not change, and val will be inversely assigned to newval 2. Bitwise AND:& Binary operator &, which compares an operand ...

1, Introduction to xpath xpath is an XML path language, which can be used to determine the location of elements in XML documents and find elements through element paths. HTML is an implementation of XML, so xpath is a very powerful positioning method. 1. Formula: / / tag name [@ attribute = 'value of attribute'] //*[@ id="kw"] -- r ...

1, Experimental principle Analysis: the clock is 84Mhz, the frequency is 84, the ARR is set to 500, the clock obtained by the counter is 84M/84=1 Mhz, and the counting time is 0.5ms In the main function, the modification time I set is 2ms once. As shown in the figure, set PWM1 mode, and the output polarity low level is valid. That is, when t ...

  introduction Some time ago, a young lady downloaded an encrypted compressed package resource, which is the latest movie in release, so she found me and asked me to help her crack it. The blogger thought it was not easy, so he went to the Internet to find a compressed package password cracking software, but when using it, he found that he c ...

node.js link database 1. Premise The computer has node installed. You can use the win+R key, enter cmd, and then enter node -v to check the version; Then enter npm -V to check the installed version of npm After all the above, create an empty folder named projects, which creates three empty folders: JQ, HTML and API In the jq folder, impo ...

json Purpose: Encodes Python objects into JSON strings and decodes JSON strings into Python objects. The JSON module provides an API to convert Python objects in memory into JSON sequences. JSON has the advantage of being implemented in multiple languages, especially JavaScript. It is widely used in the communication between Web server and c ...

Rasa course, rasa training and rasa actual financial banking robot micro service call word slot Explain function Rasa 2.x Financial services example robot: This is an example chat robot that shows how to build AI assistants for financial services and banking. This starter kit can be used as a basis for your own development or as a reference g ...