cissp summary

Iconv function Knowledge Summary in PHP, Phpiconv function Summary Today, when revising the paper online, I met the Iconv function. Learn a bit Header (' Content-type:application/vnd.ms-excel;charset=utf-8 '); $name =iconv (' utf-8 ', ' gb2312 ', $data [' Year ']. ' The first $data [' Period ']. ' (' Content-disposition:attachment;filename= '. $name. '. xls '); header (' cache-control:max-age=0 '); The mea

PHP 9 Large Cache Technology Summary, PHP large Cache summary 1. Full page static cache That is, the page is all generated HTML static page, the user accesses the static page directly, but not to go to the PHP server parsing process. This way, in the CMS system is more common, such as dedecms; A more common way to implement this is with output caching: Ob_start () The code to run ******* $content = Ob_get_

PHP generate random Password method summary, PHP generation Summary Using PHP to develop applications, especially Web applications, often requires the generation of random passwords, such as user registration to generate random passwords, user reset password also need to generate a random password. Random password is a string of fixed length, here I collected several methods to generate random strings, for

For a summary of some strings in PHP, PHP string Summary PHP comes with a truncated string function, can only handle English, the number can not intercept the Chinese mixed, oh, there is a need for friends to refer to, the latter is more useful, the first is mainly for beginners to learn to use. PHP//construct string $str = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"; echo "Original string:". $str. ""; Interception by va

PHP to remove the string hollow characters of common methods Summary, PHP string Hollow Summary This paper summarizes the common methods of PHP to remove the characters of the string. Share to everyone for your reference. The specific analysis is as follows: PHP contains four functions that can be used to remove a string space: Trim () – Remove null characters at both ends of the stringLTrim () – Remove nu

PHP Network operation function Summary, PHP function summary checkdnsrr-DNS traffic checks for the specified host (domain name) or IP addresscloselog-Turn off System log linksdefine_syslog_variables-Initialize all syslog-related variablesDNS_CHECK_RECORD-CHECKDNSRR aliasesDNS_GET_MX-GETMXRR aliasesdns_get_record-obtaining DNS records for a specified hostfsockopen-open a network connection or a UNIX socket

Php language summary, php Summary Php language summary: basic syntax type constant operator flow control function class and object namespace super global variable garbage collection mechanism 1. Basic syntax * Php tag Echo "Hello world "; //... More code Echo "Last statement "; // The script ends now and no PHP end mark is displayed. Note: If the file content i

Summary and analysis of JavaScript Array methods, Summary of javascript Array Since freecodecamp has recently been used for code refreshing and many JavaScript Array methods, I have made a summary of the JavaScript tutorial. The specific content is as follows: I. Common Methods 1. join () concatenates array elements and returns them as strings.Parameter: (optiona

PHP installation, configuration and expansion summary, php configuration expansion Summary Copyright Disclaimer: This article is an original article by the blogger and cannot be reproduced without the permission of the blogger. PHP installation, configuration, and expansion summary: This article mainly summarizes the installation, configuration, and addition and

Summary of JSON and JSONP, and summary of JSONJSONP 1. What is json JSON (JavaScript Object Notation) is a lightweight data exchange format. Easy to read and write. It is also easy to parse and generate machines. It is based on a subset of JavaScript Programming Language, Standard ECMA-262 3rd Edition-December 1999. JSON uses a completely language-independent text format, but it also uses a habit similar to

Summary of ultra-comprehensive use of vue. js and summary of vue. js I. Vue. js Components Use vue. js build Components Vue.component('componentName',{ /*component*/ })； Note that the component must be registered before use, that is: Vue.component('mine',{ template:'#mineTpl', props:['name','title','city','content'] }); var v=new Vue({ el:'#vueInstance', data:{ name:'zhang', title:'this is title', city

Web Front-end development Summary (unfinished) and web Front-end development Summary Because I am not familiar with front-end development, I will do some homework myself. So I have summarized the knowledge that the front-end can use, but the summary is not comprehensive, it will be improved in the future! Mobile front-end development BASICS (conclusion-to be impr

PHP implementation of the method to get the domain name summary, PHP get the domain name summary This paper summarizes the method of getting the domain name by PHP implementation. Share to everyone for your reference. The implementation method is as follows: Method one (with system variables)The copy Code code is as follows://disadvantage does not use the passed-over address and host that does not support

PHP Several predefined variables $_server usage Summary, _server Summary This paper summarizes the usage of several predefined variables $_server in PHP. Share to everyone for your reference. Specific as follows: Copy the Code code as follows: Echo ' DocumentRoot: '. $_server[' Document_root ']. ''; The root directory, defined in the Apache configuration file: httpd.conf For example: DocumentRoot "D:/work/

Summary of common mathematical functions in PHP, summary of mathematical functions This paper summarizes and analyzes the common mathematical functions of PHP. Share to everyone for your reference. The specific analysis is as follows: ABS () function definition and usage: Returns the absolute value of a number. Syntax: ABS (x), the code is as follows:Copy the Code code as follows: $abs =abs (-3.2); $abs =3

Chrome Web App Development Summary, Chromewebapp Summary Objective This article focuses on the problems and processes that you encounter in developing web apps, and some of the pits that have been (how) filled. If you want to "how to develop Web App" or "30 minutes to learn to develop Web app," Please visit the Official Development Manual (documentation). (with links below). Background It feels like everyo

Summary of problems in installation, configuration and use of Mantis, Mantis summary Development needs, installation Mantis (Mantis Bug Tracker, defect tracking system defect management platform), under the latest version, the official address is http://www.mantisbt.org/download.php. installation. It is not smooth sailing, but rather bumpy. Now summarize, convenient for later use. (PS: Latest version manti

Thinkphp summary, thinkphp summary. Thinkphp summary turns out that thinkphp has done several projects with ThinkPHP. it feels like this framework is quite good and suitable for your own logic habits. it is also quick to develop, summarized thinkphp summary, thinkphp summary

ZendStudio error summary, zendstudio summary. ZendStudio error Summary: zendstudio conclusion 1. after wampserver is upgraded, zendstudio is used to find errors in many places. in this case, project-clean is required first, then, go to the run and Zend Studio error summary, zendstudio

PHP simulates the summary of post data submission methods, and phppost submits the summary. PHP simulates post submission data method summary, phppost submission summary uses php to simulate post transfer. although not many values are used in daily life, they are often used in some occasions. The following PHP simulate