OpenCV Development Notes: red fat man 8 minutes to take you to understand the moment of the image (illustrated + easy to understand + program source code)

If the article is original, it cannot be reproduced without permission Original blog address: https://blog.csdn.net/qq21497936 Original blogger blog navigation: https://blog.csdn.net/qq21497936/article/details/102478062 Blog address: https://blog.csdn.net/qq21497936/article/details/106257036 Dear readers, knowledge is infinite and manpower i ...

Posted on Thu, 21 May 2020 11:01:25 -0400 by njdirt

[2020Python cultivation] Bootstrap, a front-end framework for front-end development

1, Introduction The framework has written many page styles for you. If you need to use it, you only need to download its corresponding file, and then directly copy cv When using Bootstrap, all page styles need to be adjusted by class v3 is recommended for version selection: https://v3.bootcss.com/ [note] The js code of bootstrap depends ...

Posted on Thu, 21 May 2020 08:09:12 -0400 by 3dron

Android Development - access Tencent cloud streaming SDK in Android to realize live streaming function

preface Nowadays, with the development of mobile Internet in China for several years, mobile development technology is relatively mature, and live broadcasting is indispensable in the mobile App we use everyday. Whether it's entertainment, game, sports or education apps, live broadcasting is indispensable in some commercial or non-commercial ...

Posted on Wed, 20 May 2020 08:01:27 -0400 by CaptainStarbuck

Is exception handling still disabled by your c + + team?

There are many disputes about c + + exception handling on the Internet. This article will introduce the use of c + + exception handling, should we use exception handling, and what should be paid attention to when using exception handling. What is exception handling Exception handling, of course, refers to the handling of exceptions. Exceptions ...

Posted on Wed, 20 May 2020 03:33:25 -0400 by johnnyblotter

An in-depth analysis of TekTon, an open source CI/CD framework

brief introduction Tekton is a powerful and flexible Kubernetes native open source framework for creating continuous integration and delivery (CI/CD) systems. As for Tekton, there are many introduction documents available on the Internet. This paper mainly describes my understanding of Tekton's implementation principle and the technical logic ...

Posted on Tue, 19 May 2020 03:14:24 -0400 by verbalkint81

Back end development: spring boot implements registration and login functions

This implementation of the registration and login function requires the basic operation of the database, and is the front and back-end separation development. Generally speaking, it is to design the database first, then write the API interface of the server according to the database, then come to the client or the mobile terminal to design the ...

Posted on Mon, 18 May 2020 21:08:01 -0400 by shlumph

js-Flexible and Splittable Responsibility Chain Model

Refer to JavaScript Design Patterns and Development Practices, which has been explored and strongly recommended. Definition Avoid coupling requests between sender and receiver so that multiple objects may receive requests, join them into a chain, and pass requests along that chain until an object processes it. The above figure is t ...

Posted on Sun, 17 May 2020 20:22:04 -0400 by WeAnswer.IT

Deep parsing: how to replace the ifelse in the code

When we write code, we need to deal with different business logic according to different situations. The most commonly used ones are if and else. But if there are too many cases, there will be a lot of "if else", which is why in many legacy systems, a function may appear thousands of lines of code. Of course, you say that it can be ...

Posted on Sat, 16 May 2020 05:51:40 -0400 by mooshuligan

9. Mybatis Table Association - Many-to-Many

Many-to-many mybatis3.0 adds associations and collection s tags specifically for cascading queries on multiple related entity class data, but does not support cascading saves and deletes on multiple related entity class data.Therefore, when designing many-to-many mapping tables for entity classes, it is necessary to est ...

Posted on Fri, 15 May 2020 12:38:54 -0400 by pkellum

Parse C++ exception handling

​ Author: Conscience Stills Reporting Authorization and Outlook: Welcome to add WeChat: Allen-Iverson-me-LYN executive summary There are often problems encountered during the running of a program, such as array subscripts crossing bounds, dividing by zero, etc. If these errors are not found and handled, our code is likely to cause the program t ...

Posted on Thu, 14 May 2020 23:59:30 -0400 by tlenker09