gmt time

Browser cache, it is completely not the case, the cache content is stored in the browser local, and the content is generated by the Web server, neither party can complete the system process independently, so there must be a communication mechanism

Date () is a commonly used date-time function, let me summarize the date () function of the various forms of usage, there is a need to learn the friend can refer to. Formatted dateThe first parameter of the date () function specifies how the date/

php datetime function date () 1, year-month-day echo Date (' y-m-j '); 2007-02-6 echo Date (' y-n-j '); 07-2-6 Uppercase Y represents the year four digits, while lowercase y represents the two digits of the year; Lowercase m represents the number

Detailed website optimization steps and meta tags1. title 2. keywords 3. description 4. Website content optimization 5. Internal link structure 6. External link 7. Website map and so on.There is also a major meta:Meta is used to simulate HTTP

PHP datetime function Date () 1, year-month-day echo Date (' y-m-j '); 2007-02-6 echo Date (' y-n-j '); 07-2-6 Uppercase Y represents the year four digits, while lowercase y represents the two digits of the year; Lowercase m represents the

Many people ignore the powerful functions of HTML tag META. A good META tag design can greatly improve the possibility of your personal website being searched. Are you interested, who should I get to know the META tag again!The META tag is an

Ngx_http_autoindex_module This module is used to automatically generate a list of directories, Ngx_http_autoindex_module only make requests when the Ngx_http_index_module module does not find an index file. Nginx default is not allowed to list the

META Tags:The META tag has two properties, each of which is the Http-equiv property and the Name property.Name property: To illustrate the Build tool (such as Microsoft FrontPage 4.0); to the search engine to explain the keywords of your page; Tell

To learn the Date object dates, first to clarify some knowledge.How many days are there in one months? How many days are there in a year? What is common year and leap year? What is the difference between common year and leap years? When does the

1. Specify the character set:http-equiv= "Content-type" Content= "text/html; Charset=utf-8" />2, the search engine to explain the keywords of your page:name= "keywords" content= "keyword"/>3, tell the search engine the main content of your

Html meta summary and htmlmeta SummaryIntroduction In my previous blog, I had an introduction to meta, such as the http://www.haorooms.com/post/liulanq_think_ie browser security thinking article, which introduced some attributes of IE under meta to

Meta http-equiv attribute details, metahttp-equivMeta http-equiv attribute details (reference link: http://www.w3school.com.cn/tags/tag_meta.asp) http-equiv, as the name suggests, is equivalent to the role of an http File Header, it can return some

The principle of configuring permissions is to grant the minimum permission to the website to ensure its normal operation.Nginx directory permission configuration:1. The nginx process user is the default user wwwboy. (it is unknown that the nginx

Meta is the response header message used to simulate an HTTP protocol in an HTML document.Meta tags are used for Web pages, and meta tags are useful. There are two types of meta attributes: Name and HTTP-EQUIV. The name attribute is primarily used

The HTTP response message consists of three parts: Response line, response header, and response body.First, Response Line: protocol version + status code + descriptionCommon Status Codes:100-199: Indicates a successful receive request that requires

Type description of the timeTimeTimeTime ：日历时间。1970年1月1日0点到此时的秒数。Time acquisition functiontime_t time (time_t *t);Function Description: This function returns the number of seconds that have elapsed since January 1, 1970 00:00 00 seconds. If time_t

I. SummaryThe date type in ECMAScript is built on the basis of the Java.until.Date class of Java earlier. The date type is used from UTC (Coordinated uiniversal time, international coordination Hour) Midnight January 1, 1970 ( 0 o'clock) Start by

How to get time in C language? How accurate?1 using time_t time (time_t * timer) accurate to seconds2 using clock_t clock () to get the CPU time accurate to 1/clocks_per_sec seconds3 calculation time difference using double difftime (time_t timer1,

FTP (file Transfer Protocol) is a transport protocol for file transfer between a server and a client. This is an introduction to the VSFTPD software experience FTP service.By default, the FTP server is divided into three different identities

JSP page cache and Clear cache I. Overview The idea of caching can be applied at all levels of software layering. It is an internal mechanism that is not perceptible to the outside world. The database itself is cached, and persistent layers can be