PTA L2-016 May all the loved ones in the world be brothers and sisters who have been lost for many years (25 points)

Title Description: Ha-ha. Everyone knows that no intermarriage is allowed within five clothes, that is, if the two people's closest common ancestors are within five generations (i.e. themselves, parents, grandparents, great-grandparents and high ...

Added by webbyboy on Sat, 17 Aug 2019 14:34:44 +0300

ACL Access Control and Log Analysis of Squid Proxy Service

For the deployment of Squid services, you can refer to the blog: Installation and deployment of Squid proxy serverFor Squid Service Configuration Proxy Server, you can refer to the blog: Using Squid to Construct Traditional Agent and Transparent Agent ACL Access Control of Squid Service Squid provides a powerful proxy control mechanism. By set ...

Added by Hi I Am Timbo on Sat, 17 Aug 2019 12:21:27 +0300

Thread pool and Simulation Implementation

Thread pool A thread usage pattern. Too many threads can lead to scheduling overhead, which will affect cache locality and overall performance. Thread pools maintain multiple threads, waiting for supervisors to assign concurrent tasks. This avoi ...

Added by 9902468 on Sat, 17 Aug 2019 11:12:26 +0300

Introduction to Basic Knowledge of CSS-CSS typesetting

1. Design upper, middle and lower formats <!DOCTYPE html> <html> <head> <title>CSS</title> <style type="text/css"> body{font-family: "Song style";font-size: 12px;} .big{width: 800px;margin: 0 auto 0 auto;} ...

Added by OriginalSixRules on Fri, 16 Aug 2019 15:43:07 +0300

How to change shopping cart logic with python style

There was a blog post written about the business logic of shopping cart, which used cookie s and redis to store the data of shopping cart of the unregistered and logged-in users. Although the business logic has been well completed, the redundancy of modern codes is very serious, and they are not Python-specific enough. Today let me use python-s ...

Added by djopie on Fri, 16 Aug 2019 12:50:53 +0300

Debugging process of NB module based on removing BC26 and removing BL620

NB Module Connecting Network Sequence Shiko NBL260 Module NB Card: Unicom default baud rate 115200 // UDP link mode: AT// Judging whether the module is powered on successfully AT+CIMI//Read IMSI to determine whether SIM card initialization i ...

Added by bubblewrapped on Fri, 16 Aug 2019 12:21:31 +0300

Common Shell scripts

1. Creating linux System Account and Password through Location Variables$1 is the first parameter to execute the script, and $2 is the second parameter to execute the script. 1 #!/bin/bash 2 # Author: Peter zh 3 # Blog: https://home.cnblogs.com/zhangwduoduoj/ 4 # Time: 2019-08-17 19:19:45 5 # Name: userad.sh 6 # Version: v1.0 7 # Descr ...

Added by twistedmando on Thu, 15 Aug 2019 15:44:33 +0300

beats components of elastic are used

1.Filebeat Filebeat is mainly used for forwarding and centralizing log data. Filebeat is installed on the server as a proxy to monitor the log files or locations you specify, collect log events, and forward them to Elastic Search or Logstash for ind ...

Added by sguy on Thu, 15 Aug 2019 11:17:23 +0300

Introduction to Nginx web Foundation

Catalog Introduction to Nginx web Foundation How to upgrade nginx or add functionality Managing nginx with system D nginx-related configuration files nginx configuration file details Log format game Logging Actual Warfare Log Cutting Handwritten Virtual Host ...

Added by Nate on Thu, 15 Aug 2019 10:43:47 +0300

Image Source Analysis of Flutter

This article has authorized the exclusive release of Wechat Public No. Jingdong Technology. Image Source Analysis of Flutter With the rapid development of the hardware level of mobile devices, users are increasingly demanding for the display of pi ...

Added by kind on Wed, 14 Aug 2019 10:02:37 +0300