Layui implement file or picture upload record

The first is Layui's own official website about image/File Upload Help document: https://www.layui.com/doc/modules/upload.htmlNext is my own usage record:1. First define a global variable in JSvar uploadlistins;2. Assign a valueMultiple file List

Grunt, Gulp difference webpack, Requirejs difference

1. How to WriteGrunt use the idea of configuration to write packaging scripts, everything is configured, so there will be more configuration items, such as option,src,dest and so on. and different plug-ins may have their own extension fields,

IIS configuration file Upload size limit

2018-08-28IIS configuration file upload size limitProblem: Upload file too large to upload, directly in the Webconfig to do the following configuration will cause a program error, this needs to be configured in IIS "20480" targetframework=" 4

JS function 04

DOCTYPE HTML>HTML> Head> MetaCharSet= "Utf-8"> title>title> Head> Body> Scripttype= "Text/javascript"> //the difference between a global variable and a local variable/*function Test () {var x=1;

Django-urls (routing)

The Django routing entry is the urlpatterns parameter of the urls.py .Distribute requests to individual view functions or classes by locating the corresponding relationships in urlpatterns .First, distribute the request to the function1. You should

Lazy loading using the. NET core self-signed DI framework

In some cases, we want to delay the initialization of a dependency. If you are using AUTOFAC, we can inject the lazyWe made a simple makeover of an example offered on AUTOFAC GitHub and ran to see.Link to the original example

Learn Hibernate notebooks

Hibernate's role is to control the repository1, first to get into the relevant jar package in Webroot->webinf->lib2, Configuration Good Hibernate.cfg.xmlConfiguration steps: 1 Library name, 2 library code, 3 drive, 4 library url,5 dialect, 6 need to

JS get url parameter, and Chinese garbled problem

// two methods of acquisitionfunctiongetquerystring (parameter) {varReg =NewRegExp ("(^|&)" + parameter + "= ([^&]*) (&|$)"); varr = Window.location.search.substr (1). Match (REG); if(r! =NULL) { if(parameter = = "Deid") { $("#deId"

The difference between prop () and attr () in jquery

1. The difference between prop () and attr () in jqueryProp () is only available after the jQuery1.6 version, and has been used attr () before,Prop () fixed some minor bugs in attr ().2. Recommended Usage:Prop (): With prop () in HTML element

How HTML adds a pentagram/star pattern-github-octicons

Bootstrap-4 removed glyphicons/glyphicons-migrationIs there any other way to add a pentagram/star pattern?Using GitHub octicons:NPM Install Octicons

The load () method in Ajax implements the specified area to load or refresh HTML and JSP

Combing the knowledge method, the author still has a few, do not idle chatter.first, the Ajax in jqueryjquery encapsulates Ajax operations in jquery:The bottom is $.ajsx (),The second layer is load (), $.get (), $.post ()The third layer is $.getjson

PHP Certificate encryption and certificate decryption methods

Certificate encryption needs to pass the parameter string certificate address certificate Password!function sign ($data, $pfxpath, $pfxpwd) {$certs = Array ();Openssl_pkcs12_read (file_get_contents ($pfxpath), $certs, $pfxpwd); Where password is

Aspxgridview Changing column colors

protected void Aspxgridview1_htmldatacellprepared (object sender, Aspxgridviewtabledatacelleventargs e){String tjhso = E.getvalue ("Plan_so"). ToString ();String TJHDM = E.getvalue ("Plan_code"). ToString ();String sql = "Select

Include PHP code in the Web page

The PHP code can appear anywhere on the Web page, even in HTML tags. There are 4 ways to include PHP code in the Web page:Use tags this is my first PHP program! Look, ma! It 'how Cool is that? Use tagsEcho "Hello, World";?>This approach is also

. NET core cross-domain

The cross-domain problem with. NET core took me a long time next I simply describe the process of solvingFirst I use jquery Ajax to invoke my local interface at the front end, roughly the following$.ajax ({type:"POST",

Delve into the properties and attributes of position in CSS

First, the concept of positionAs one of the indispensable elements of layout, it is necessary to delve into its properties and some points of attention.Definition: The positioning type of the specified element. Position Properties:

The application and technique of jquery's callbacks () function

The application and technique of jquery's callbacks () function (figure)A multipurpose callback list object that provides a powerful way to manage the list of callback functions.$. The interior of Callbacks () provides the $.ajax () and $ of jquery.

Web Services Overview

WsdlWSDL is an XML-based language used to describe WEB services and how to access them.WSDL describes the Web service, along with the details of the message format and protocol used for the Web service.If you would like to learn more about WSDL,

Ubuntuubuntu installation apache+php

1. Ubuntu Installation ApacheInstalling Apachesudo apt-get install apache2Modify Port number打开 etc/apache2/port.config 修改 port 80Restart Apacheservice apache2 restart2. Install PHPInstallationsoftware-properties-commonapt-get install

Collection Learning Test Forum, website

I. BACKGROUNDRecently want to understand the test knowledge, learning test knowledge, so on-line collection and collation about some domestic, foreign testing site.Second, the domestic testing siteThe way of testing:

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