Programmer Think

Source code download address: https://download.csdn.net/download/bynn_csdn/81350948 I preparation Prepare a domain name (the legal links shared by wechat are all attached under the domain name, but the ip name of the server is not available). It is also OK to use the intranet penetration method (I used the intranet penetration method i ...

preface Hello! buddy! First of all, thank you very much for reading Haihong's article. If there are mistakes in the article, you are welcome to point out ~ Ha ha, introduce yourself Nickname: Haihong Label: program ape a C + + player student Introduction: I got acquainted with programming in C language and then transferred to computer major ...

Set 96: In a given program, the function of function fun is: n × N matrix, rotate the peripheral elements of the matrix clockwise. The operation sequence is as follows: first, store the values of the elements in the first row into the temporary array r, then make the first column the first row, the last row the first column, the last col ...

1. Write in front    a lot of preparatory work has been done in the previous article. The next thing is to carry out actual docking and use. The goal is to carry out real-time speech recognition for both sides of the call through the unimrcp module, carry out real-time intelligent analysis of the recognized content, and do real-t ...

1. Use Redis to store verification code The verification code needs frequent access and refresh, which requires high performance.The verification code does not need to be saved permanently, and it usually becomes invalid after a short time.During distributed deployment, there is a problem of Session sharing. 2. Use Redis to store login creden ...

python concurrent crawler - multithreaded, thread pool implementation A web crawler usually consists of sending requests, getting responses, parsing pages, saving locally, and so on. Of course, the most difficult and detailed part is the page parsing link. For different pages, the parsing difficulty will inevitably vary. Even some websites ...

1, Convert to JavaScript timestamp 1.Date.now() Use date Now() can get the current timestamp Date.now(); //1645099205343 new Date().getTime() 1645099205343 2.Date.parse() converts a string or time object directly to a timestamp However, this method is not recommended. The value at the millisecond level is converted to 000 Date.parse() ...

Use ros1 under ros2_ Bridge and ros1 custom message bridge Sample environment Operating system: ubuntu 20.04 amd64 ros version: noetic ros2 version: foxy ros1 sample code Create workspace catkin for ros1_ WS, function pack custom_msgs and create an MSG file testnoetic msg TestNoetic. The contents of the MSG file are as follows: string te ...

1 bubble sort 1. The data to be sorted can be in array or linked list 2. Exchange only when strictly unequal, that is, when equal, do not exchange, which shows that the algorithm is stable Pseudo code void Bubble_Sort(ElementType A[], int N) { for (p = N - 1; p > 0; p--) { flag = 0; for (i = 0; i < p; i++) { if (A[i] &gt ...

catalog: 1, People's Bank of China 2, China's multi-level capital market 3, Securities Investor 4, Business of securities companies 5, Refinancing of securities finance companies 6, Self regulatory organization 7, Significance, objectives and principles of securities market supervision 8, Definition, characteristics and classification o ...