Programming VIP

Review lessonsFirst addressPart II addressPart III addressStep by step talk back to the packageTo get straight to the point, the third article has mentioned how to receive packets back. At present, network programming is all about Tcp, and the protocol request mode itself will determine the characteristics. Let's talk about the order of contrac ...

1, Cache conceptual knowledge 1. What cache is it The word Cache is often heard in daily life. What is Cache? In fact, Cache is the buffer of data exchange (called Cache), which is the place where data (frequently used data) is temporarily stored. When users query data, they first look for it in the Cache. If they find it, they will execu ...

prefaceIn the previous section, we learned how to set styles for custom components. At that time, we set the styles of custom labels in the main DOM:<style> my-card { display: block; margin: 20px; width: 200px; height: 200px; border: 3px solid #000; } </style> <my-card></my-ca ...

Map collection Features of Map interface Used to store any key value pairKey: no repetition, no subscriptValue: unordered, no subscript, duplicate allowed Common methods of Map interface V get(Object key): returns the value corresponding to the specified key object in the Map set. V indicates the data type of the valueV put(K key, V va ...

1. Adopt standard wav header and use code to read and write PCM WAV files. The wave module in Python standard library is a convenient interface for audio wav format. The functions in this module can write audio data in the original format to files such as objects, and read the attributes of WAV files. The wave module provides a convenient ...

Links 1. Database design of student achievement management system - MySQL Database design of student achievement management system - MySQL 2. Medical information management system database – MySQL Medical information management system database – MySQL 3. Mail management database design – MySQL Mail management databas ...

The installation method of Nightingale has been discussed before, and then it will enter the stage of use.textArticle environmentNightingale V5 threenode_exporter 1.3.1telegraf 1.21.3CentOS 7.9Node exporter sectionNode exporter is the official collector of promethues, and its installation method is very simple.Download the node exporter package ...

The previous article has preliminarily explained that telegraf monitors network devices through snmp plugins. In the actual monitoring work, the monitoring of network devices is relatively complex, especially for large frame devices, which are prone to thousands of monitoring items. If it is written one by one, it must be impractical, Therefore ...

1.1 function overview Functions are organized snippets of code that implement a single function or associated functions. We can think of a function as a piece of code with a name, which can be called in the form of "function name ()" where necessary. Advantages of function: Using function to program can make the program modul ...

This paper realizes high availability through the native HA function of Zabbix (we won't discuss the high availability of database and front-end for the time being, which will be discussed in the next issue). This paper is demonstrated in the LAMP environment, and other environments can refer to the previous articles.Zabbix essay: installation ...