Session technology - cookie&&session

Conversation Technology Session: a session contains multiple requests and responses One session: the browser sends a request to the server resource for the first time, and the session is established until one party is disconnected Shared data: data is shared among multiple requests within the scope of a session Client session Technology: cooki ...

Posted by tsapat on Tue, 19 Oct 2021 18:13:52 -0700

Apache Web server software

1, What is Apache Apache HTTP server, referred to as Apache, is the most widely used web server software. It can be used in almost all widely used computer platforms. It is simple, fast, stable performance, and can be used as a proxy server. Its support for linux is perfect. Apache is a process based architecture. Processes consume more ...

Posted by GregArtemides on Thu, 14 Oct 2021 22:06:34 -0700

Request method of Ajax encapsulation based on promise

1.Ajax requests obtain more information from the server asynchronously, which means that users can update the latest data of the server without refreshing the web page as long as they trigger an event. 2. Using Ajax, you must call the open() method, which accepts three parameters: the type of request to send (get, post), the URL of the request, ...

Posted by Devil_Banner on Wed, 13 Oct 2021 05:35:06 -0700

How to request a third-party interface to obtain data

HTTP is a common network method for exchanging data and media in modern applications. Efficient use of HTTP can make resource loading faster and save bandwidth. OkHttpClient is an efficient HTTP client, which can generally be used to request third-party interfaces. Its request / response API is designed using constructor pattern builders and su ...

Posted by Janjan on Mon, 11 Oct 2021 12:31:08 -0700

Nginx supports https access (change the web address from http to https access, and add ssl certificate support)

Nginx supports https access (change the web address from http to https access) Note: after the development of the applet phase I is completed, when it is about to go online, the wechat applet prompts that you can only use https to complete online access, and then you need to modify your nginx configuration. https certificate is required first ...

Posted by zalath on Sun, 10 Oct 2021 19:10:21 -0700

Modification of zabbix user and group permissions and admin password

zabbix user and group permissions summary All users in zabbix access the zabbix application through the Web front end. Each user is assigned a unique login name and password. All user passwords are encrypted and stored in the zabbix database.Users cannot use their user name and password to log in directly to the UNIX server unless they are a ...

Posted by andy1398 on Sun, 10 Oct 2021 10:44:37 -0700

Basic JavaWeb Theory

Basic Theory Software Framework Classification 1.B/S: browser/server, thin client 2.C/S: client/server, fat client Http Protocol (Hypertext Transfer Protocol) Agreements: Rules to be complied with by both parties Hypertext transfer protocol: Hypertext transfer protocol Why is it important: The protocol used by the B/S architecture: Char ...

Posted by nrg_alpha on Sat, 09 Oct 2021 11:53:45 -0700

2021-09-16 docker + nginx reverse proxy http and tcp

Note: considering the strong portability of docker, this running environment is based on docker. If your nginx is directly installed in the host, the path is different from that inside the container, and you can only refer to the content of the configuration file Test environment: Operating system: centos 7.9 (GUI desktop version and min ...

Posted by brockie99 on Sat, 25 Sep 2021 17:03:13 -0700

Internet of things training notes_ Network programming

Internet of things training notes_ Network programming Basic concepts of network programming: 1. Computer network A computer network is a collection of interconnected independent computers, The simplest form of network consists of two computers. 2. Network communication IP address: 1. Each host in the IP network must have a unique IP a ...

Posted by kid_drew on Fri, 24 Sep 2021 16:46:28 -0700

Solutions to cross domain and cross domain problems

Cross domain What is cross domain? Cross domain, that is, non homologous policy requests. This means that the browser cannot execute scripts from other websites. It is caused by the browser's homology policy and is a security restriction imposed by the browser. The so-called homology means that the domain name, protocol and port are the same ...

Posted by aragon1337 on Mon, 20 Sep 2021 21:49:55 -0700