Two days ago was asked how Ajax cross-domain how to solve, and really was asked to live, the light know what jsonp, vaguely did not say up. Holding a problem must be resolved attitude, I read a lot of information, so ...Why do you always know Jsonp, but have been vaguely confused? --The information on the Internet is too complex to write about!I can be as simple as how simple, and strive to let you read 10 minutes!1. Same-origin strategyThe reason why
Issue: Cross-domain is not allowed by default in modern browsers.Approach: cross-domain through JSONPin JS, it is not possible for us to request data from different domains directly with XMLHttpRequest. However, it is possible to introduce JS script files on different domains on the page, and JSONP is using this feature to achieve this. There are two sites: 1. The site to get the data: Http://localhost:1326
PHP get domain name and domain name IP method
Recently in a project to use to obtain the domain name and IP functions, roughly the following methods.
The method of acquiring the domain name IP can be obtained using the built-in function gethostbyname, for example:
Echo gethostbyname ("www.jbxue.com");
The above will
IDC Review Network (idcps.com) November 13: According to the latest data released by Ntldstats.com, until November 12, 2015 17 o'clock, ". Company" domain name registration total reached 48,794, the top 15 strong domain name quotient, China occupies 14 seats. Among them, the new network continues to be king, with 12,380 ". Company" domain name total ahead. The ra
IDC Commentary Network (idcps.com) July 28 reported: According to Registrarstats published real-time data show, as of July 25, 2015, the global domain name registration in the top 15 rankings, China occupies 2 seats, is still the 9th China million and 14th new network. In addition, from the monthly change, only 5 domain name registrations in the top 15 to achieve net growth. Below, please look at IDC review
If you use file_get_contents to retrieve the domain name on the local machine on PHPcentos, false is returned. For example, the domain name www. jitapu. me is bound to a centos server. If you get www. jitapu. me content in php, false is returned. For example, {code ...} other Internet domain names can be obtained again .... in PHP centos, if file_get_contents is
This article with you to share the server server version of the network building, there is a system image to provide free download (install the same as the WIN10 version of the installation, there will be 4 versions of the installation process to provide a choice, be sure to select the fourth version) "Content many please follow the steps"The image download link is at the bottom.Creating a domain environment must first meet 6 prerequisites1. Must be l
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Before starting all operations, we need to have an overall understanding of the information of the existing domain, so that we can better understand the subsequent content, shows the Domain Name Information and DNS information of the old domain;
1. The original domain name information is as follows:
IDC Commentary Network (idcps.com) September 02 reported: According to Registrarstats published real-time data show, in the 4th Week of August (2015-08-24 to 2015-08-30), the global number of new registrations on the 15 top list, China occupies 4 seats, respectively, China million network , Nano-network technology, business China, Western Digital. Among them, China million new registered volume of 20,708, won the runner-up, last week's ranking rose 2. Next, please follow the IDC Review network t
IDC Commentary Network (idcps.com) March 13 reported: According to Webhosting.info latest data show, as of March 02, 2015, the total number of Western Digital domain names increased to 475,952. During February (2015-02-03 to 2015-03-02), the domain name growth process was tortuous, with a total increase of 4,101, with a domestic share rising to 5.0907.650) this.width=650; "src=" Http://www.idcps.com/uploadf
View the deleted and expired domain names (mandatory for domain names) to view the list of international domain names to be deleted:
Two foreign websites
Http://www.pool.com/viewlist.aspx
Http://www.deleteddomains.com/today_deletions.php
Overseas sites are slow
Query of expired domestic and international domain
In fact, it is relatively easy to implement multi-level second-level domain names using cookies or sessions in php at the same time. let's take a look at an example below. the company website has several second-level domain names. the boss requires that no matter which domain name the member goes to, the primary domain
IDC Commentary Network (idcps.com) January 20 reported: According to the domain name statistics agency Webhosting.info data, as of December 29, 2014, the total number of Western Digital domain has increased to 461,000, the annual net increase of 121,364, and last year, the annual growth of 75, 696, with an increase of about 60% on the chain. Next, take a look at the detailed statistical report of the IDC Re
(HELP, urgent) Red Hat Enterprise 5.6postfix external domain email rejected to the Company domain-Linux Enterprise Application-Linux server application information, the following is read details. The boss asked me to create an email server yesterday to implement basic functions.
[Root @ spriteapp1 ~] # Postconf-n
Alias_maps = hash:/etc/aliases
Command_directory =/usr/sbin
Config_directory =/etc/postfix
D
Cross-domain understanding of the same-origin policy: the so-called "homologous" refers to the "three Same".
Same protocol
Same domain name
Same port
Resolving cross-domain
Jsonp disadvantage: Only get request, need to modify the code of site B
The disadvantage of cors is that IE6 7 is not compatible (but not necessarily compati
Introduction
Cross-Domain is a question that I often ask in everyday interviews, the word's frequency is not low in the front-end world, mainly because of security restrictions (homology policy, that is, JavaScript or cookies can only access the content under the same domain), because we will inevitably need to do cross-domain operations in our daily project dev
Recently, many webmaster reaction, after the transaction, in the conversion agent, found that they do not have the control of the domain name. The problem is more serious and more prominent. Here today to do a comprehensive domain name detection activities.
Domain name of the Chinese registrar: Please check your domain
IDC Commentary Network (idcps.com) August 25 reported: According to Registrarstats published real-time data display, as of August 22, 2015, the global domain name registration of 15 strong ranking situation, the chain of the last period, no change. Among them, China million net monthly net increase of 109,444, rose in the top 15 ranked 2nd, strong momentum, the number of domain names rose to 3,347,138. Belo
IDC Commentary Network (idcps.com) August 06 reported: According to Dailychanges published real-time data show, as of August 4, 2015, the global domain name resolution of the top 20, China accounted for only 3 seats, respectively, the 3rd China million network, 7th Dnspod, 16th place in the new net. 51DNS, however, missed the top 20 and fell to 21st place. Below, please see IDC comments on the specific data of the network collation.650) this.width=650
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