Network-related FIREWALLD and netfilter netfilter5 table 5 Chain Introduction iptables syntax

10.11 Linux Network relatedIf you use a terminal to connect to the server, do not directly close the network card, so that the terminal cannot connect to the server, can be executed with shutdown and startSet the virtual NIC ens33:0vi edit, DNS and

How JSP pages pass Chinese characters through URLs

Beginner Java Web Development, the first question is how the JSP page pass the Chinese characters through the URL?First index.jsp page&sex=bb" > Fix Chinese garbled Second hellorword.jsp pageThe value of the name parameter is: The value of the sex

submenu tiling (with background bar) for Web navigation menus

-There was a problem with a small repository management site that was previously made to the company, where the process of resolving is documented.The company's art requirements home navigation menu to their company's website style to keep

Urldecoder:illegal hex characters in Escape (%) pattern-for input string

Reason: Backstage Post article, content inside % , cause background URLDecoder.decode() transcoding when error. Read the java.net.URLDecoder decode() source code, the original is transcoding error.Post part of the code, meaning to take % the

JS get screen size jump different website according to size

JS get screen size jump different website according to size

Micro-mvc Framework supports MVC layers of business code hot deployment

The MICRO-MVC framework, which can be integrated with SPRINGMVC and Springcloud, enables all controller, Servicebean, DAO, and SQL business logic code to support hot deployment for easy developer tuning and production deployment.Source and demo

How jquery Inserts a node

Method Describe Example Append () Append content to each matching element HTML code: I want to say:jquery Code:$ ("P"). Append (" Hello ")Results: I want to say: Hello AppendTo () Appends all

JS Object-oriented

I. Composition of the Object/* Features of object-oriented programming Abstract: Seize the core issue encapsulation: Only through the object to access the method inheritance: from the existing objects to inherit the new object polymorphism: The

PHP algorithm calculates the distance between map coordinates of Baidu star small stack

/** calculate the distance between two coordinates (m) * @param float $fP 1Lat starting point (latitude) * @param float $fP 1Lon Start (longitude) * @param float $fP 2Lat end point (latitude) * @param Float $fP 2Lon end point (longitude) * @return

Linux Firewall (SElinux, netfilter) firewall Tools iptables

Linux FirewallSELinux Firewall SELinux is a Linux system-specific security mechanism, usually installed after the system will be manually shut it; Query statusGetenforce Enforcing: For open state, Permissive: for temporary off

HTML5 using Localstorage to save login information

1 //Save Cache2 function Savestorage () {3 varName= document.getElementById ("name"). Value;4Localstorage.setitem ("name", name);5 varPassword = document.getElementById ("Password"). Value;6Localstorage.setitem ("Password", password);7 8

PHP data types, operators, and process controls

Data type Partitioning1. Scalar type: int float string bool2. Composite type: Array Object3. Special type: null resourceInteger type: (int integer)Three kinds of binary notation:1. Decimal: 1232. Eight binary: 01233.16 Binary: 0x123Binary conversion:

Xue Lu Xiao ExtJS (ii): Create Admin-dashboard official Template project

First, the initial knowledge ExtJSThis is a front-end frame, but as a back-end person. To complete the pre-and post-complete development, you also need to master some of the front-end knowledge. This tutorial is based on the 6.2 version of ExtJS.The

JS Trim removes string wrapping specified character

String.prototype.trim = function (char, type) {if (char) {if (type = = ' Left ') {Return This.replace (New RegExp (' ^\\ ' +char+ ' + ', ' g '), ');} else if (type = = ' right ') {Return This.replace (new RegExp (' \ \ ' +char+ ' +$ ', ' g '),

thinkphp Simple Knowledge Point (ii)

1. Describe the principles of MVC and the benefits of single-entry mode?  Benefits of Single entry mode:safe and flexible. Centralized security processing, access to statistics and other unified control. 2. Why should the PHP version be judged in

FINEUIMVC-based code generator (traditional three layer) v1.0-2

The first blog is just a rough explanation, in fact, this tool really use words may we have to look at, I today (overnight) to write an example, cut a few diagrams, do a custom template tutorial, because the code generation itself is a tool,

CSS3 the third day

Vi. backgroundBackground in the CSS3 also get a great degree of enhancement, such as background image size, background cutting area, background positioning reference points, multiple backgrounds.1, Background-size set the size of the background

JS Learning Practice Summary-Basic concepts

Unknowingly do the front end has been more than five years, whether from the original jquery or now hot angular,vue,react such as the front-end framework, and even the rise of Nodejs and other services, in the final analysis, I always feel that all

JS Date Format function

Date.prototype.format = function (FMT) {//author:meizz var o = { "m+": This.getmonth () + 1,//month "d+": this. GetDate (),//day "H +": this.gethours (),//hour "m+": this.getminutes (),//min "s+":

JSP Web page showing server address and refresh time

Run this JSP Web page in the server segment to display the server address and refresh Time:@ Page Language="Java"Import="java.util.*"pageencoding="gb2312"%>Prevent garbled generationHTML> Head>Metahttp-equiv= "content-type"content= "text/html;

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