PHP (2), a detailed domain name query program without a database ). File 2: error. tmlb the DOMAIN name you query [DOMAIN]. [EXT] produces the following error: bbrB [ERROR_MSG] Bbrclearallbrclearallb query rule: bULLIb first you need to enter the
Xml
When we are ready to build a Web site, we must apply to the domain name registration authority for an Internet domain name, so we usually want to know whether the domain name we are ready to use has been registered, then you can access the NIC
File Two: error.tml
the domain name you queried [>domainext
[>error_msg
Query rule:
First you need to enter the domain name and domain suffix of the query.
Do not add "www." Before the domain name, "www." is the hostname,
Some people often ask what. com means? This should begin with domain name classification. The highest domain names to be divided by institutions originally had seven: com (representing commercial institutions), net (representing network service
The regular_domain function of PHP to extract top-level domain names is used to convert the domain name into a standard & #26684; format. top_domain is used to extract top-level domain names. The test results are good. Functionregular_domain ($
Vro is the main node device on the Internet. The router determines data forwarding through routing. A forwarding rule is called routing, which is also the origin of the router name (router, forwarder ). As a hub connecting different networks, the
1. Introduce yourself
2. Project Introduction
3. CSS
1) Introduce CSS box model
The box model basically becomes the question which the interview must ask, has the box model of the common-system and the box model under IE browser, the box model
Part1 CSS Related
1 inline elements (inline-element) and block elements (blocks element) are respectively
Common inline elements (inline elements) have a, B, span, I, EM, input, select, IMG, etc.Common block elements have Div, UL, Li, H1~h6, Talbe,
HTTP (Hypertext Transfer Protocol) is a non-stateful, application-level protocol based on request and response patterns, often based on TCP connection, The mature version is a continuous connection mechanism in the HTTP1.0 and 1.1,http1.1 versions,
1.1 OSI Reference Model1. Physical LayerTransmission media, such as twisted pair and coaxial cable.2. Data Link LayerResponsible for error-free transmission of data in frames at two adjacent nodes. This layer is responsible for establishing,
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