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As a patient with obsessive-compulsive disorder, he has always been obsessed with automatic deployment. Personally, I think the most important thing of automatic deployment is stability and reliability. After research and testing, GitHub and Tencent cloud The two platforms have successfully completed the practice of fully automatic deployment o ...

Abstract: This paper introduces the practice of Flink CDC using Kafka for CDC multi-source merger and downstream synchronous update. The contents include:prefaceenvironmentView documentCreate a DataStream project for FlinkCDCCustom serialization classBus kafkaDinky development and submission jobView resultssummary1, ForewordThis paper mainly ai ...

1, NoSQL 1.1 overview Relational database: a database created based on a relational model. The so-called relationship model is "one to one, one to many, many to many". NoSQL = Not Only SQL, meaning: not just SQL; Generally refers to non relational database. Non relational database: A column of data is stored in the model. The rela ...

Python generates character video 1, Foreword The video output of the Caton command line is not very good, but the effect of using the Caton command line is not good. So I intend to directly generate an mp4 character video. The general idea is the same as before: Python 20 lines of code to realize video character. Let's take a look at an eff ...

1. Structure byte alignment 1.1 try #include <stdio.h> struct S1{ char c1; char c2; int n; }; struct S2{ char c1; int n; char c2; }; struct S3{ int n; char c1; char c2; }; int main(){ printf("sizeof(struct S1) = %ld\n",sizeof(struct S1)); printf("sizeof(struct S2) = %ld\n",sizeof(struct S2)); prin ...

1, Bubble sorting 1. Algorithm idea: Compare adjacent elements. If the first is larger than the second, exchange the two elements.Start from the first element and then compare the two adjacent elements successively until the last one is compared, so that the last element is the largest element.Again, start from the first element and compare t ...

About cam_lidar_calibration (2021) installation and use I brief introduction Among the many open source programs calibrated by lidar and camera, cam has a relatively good effect_ lidar_ Calibration. The calibration process of other open source packages is complex or the error is too large. The open source package has been revised. The followi ...

Author Li QiujianAI technology baseIntroduction: with the development of video action recognition technology in the field of computer vision, sports action recognition research is more and more widely used in statistical sports action characteristics, kinematics research, physical education teaching display and so on. For various ball games, ac ...

Redis data type Redis supports five data types: string, hash, list, set and Zset. String (string) As like as two peas, string is the most basic type of redis. You can understand it as a type that is exactly the same as Memcached, and a key corresponds to a value. The string type is binary safe. This means that the redis string can con ...

Intersection of two unidirectional linked lists Problem Description: There are two one-way linked lists. They may or may not intersect. If it intersects, it returns the intersecting node; if it does not intersect, it returns null. There are only three cases when two one-way linked lists intersect. The problem of linked list intersection is ...