Programmer Think

1. Preface Mail forwarding function and SMS alert function are basically the same, they are triggered after judging the alert, which may be slightly different. Mail forwarding needs to rely on the Internet, and can send a large amount of data without the limitation of 60 characters of SMS (of course, SMS can split multiple sending, but it costs ...

An earthquake takes place in Southeast Asia. The ACM (Asia Cooperated Medical team) have set up a wireless network with the lap computers, but an unexpected aftershock attacked, all computers in the network were all broken. The computers are repaired one by one, and the network gradually began to work again. Because of the hard ...

1. Project introduction This project uses the program provided by Python + the use of selectors in the graph (quite easy to use) to realize crawling the picture of the girl graph (welfare graph). I have learned that the paw (2, 10) of a certain durian is right! 2. Knowledge points used ① Python Programming (I use version 3.7 ...

Problem Description: There are N network nodes marked 1 to N. Given a list of times, it indicates the time of signal passing through the directed edge times[i] = (u, v, w), where u is the source node, v is the target node, and W is the time when a signal passes from the source node to the target node. Now, we send a signal to ...

Ali P7 Mobile Internet Architect Advanced Video (Updated Daily) Free Learning Click: https://space.bilibili.com/474380680This article will illustrate the selection of the picture loading framework through Universal-Image-Loader parsing: 1. [Introduction and use of Universal-Image-Loader parsing] Basic Introduction I believe that when you normal ...

1. Sticky 1.1 sticking phenomenon Let's start by making a program that executes commands remotely based on tcp (commands ls-l; l l l l l; pwd) When multiple commands are executed at the same time, it is likely that only part of the result will be obtained, and when other commands are executed, another part of the result will be received, which ...

Recently, we are using Grafana to show the data of elastic search. Next, I will use elastic search as the data source in Grafana to draw the IO diagram of the network and the IO diagram of the disk System: centos7.x, ip: A Installing grafana $ yum install https://s3-us-west-2.amazonaws.com/grafana-releases/release/grafana-4.6.3-1.x86_64.rpm ...

This article is mainly about the exploration process of the blogger's using the Haikang SDK for the statistics of human flow. Here is a brief record. There are about two ways to query documents and realize traffic statistics: alarm or monitor, I chose the monitoring mode here. Net? DVR? Startlisten? V30 is the interface to start monitoring. It ...

background Yes, the title is correct, not Spring Bean's circular dependency, but the circular dependency between static variables. Recent projects are simple Maven projects, deployed on the Ali Cloud through K8S, with configuration file reading rules as follows: (1) Priority is given to reading the configuration files in the same directory of t ...

premise In the development of vue, it is unavoidable to encounter a variety of form checks, here sorted out some checking methods used on the network and in their usual high frequencies.If you are wrong, you are welcome to add updates later. 1. Is it a legal IP address export function validateIP(rule, value,callback) { if(value==''||value==un ...