Web Develop

RHEL7 IP address configuration, DNS configurationConfigure IPVim/etc/sysconfig/network-scripts/ifcfg-ens33Configure DNSVim/etc/resolv.confWrite nameserver DNS AddressYou can also use Nmtui to modify the IP configurationRestart the NICSystemctl

Service-Side implementation PublicHttpresponsemessage GetFile (stringFileName,stringFolderLongexpires=0) { Try { stringFilePath = updatecontroller.basedir + folder +"\\"+FileName; if(File.exists (filePath)

$.ajax ({type: ' head ',//Get header information, Type=head can be url:window.location.href, complete:function (xhr,data) {// Gets the relevant HTTP Response header var wpoinfo = {//server-side time ' Date ': Xhr.getresponseheader (' Date

This time did the Vue page image upload function, without clipping function!First, the HTML code, add the Change event on the input box, as follows: ul class="Clearfix" > li v-if="imgs.length>0" v-for=' (item, index) in IMGs ' > img :

node. js buffer (buffer)The JavaScript language itself has only a string data type and no binary data type.However, when processing a TCP stream or file stream, you must use the binary data. Therefore, in node. js, a buffer class is defined that is

Touchstart event: Triggers when the finger touches the screen, even if a finger is already placed on the screen. Touchmove event: Triggers continuously when the finger is sliding on the screen. During this event, calling the Preventdefault ()

NGINX+FPM, the working directory of FPM and Nginx should beFor example:Php-fpm:docker run–name fpm-v/home/vagrant/code/html:/var/www/html bitnami/php-fpm;Nginx:docker run–name nginx–link

Package-based architectureTo ensure the flexibility and scalability of the system, VULCANJS uses a package-based architecture design, each of which is a package that can be easily added and removedExtend, not modifyVulcan's design philosophy is to

1. Overview 1.1 PrefaceCSS box models have properties such as content, padding (padding), Borders (border), borders (margin), and the boxes that are seen in everyday life, which can also be used as a box for things, have these properties, so they

First knowledge of jquerywhat is jquery? jquery is JavaScript and query, a library of auxiliary JavaScript development that is widely used to form industry standards. It's a good encapsulation of DOM operations, and we can use jquery very

Now the mall class app or shopping site generally in addition to shopping, but also played a role in promotion, publicity and distribution, multi-level query is generally used in recursive and circular way. However, many beginners are not clear how

The picture shown in the tutorial is a github warehouse image, please visit the original address of a friend with slow speed Take a look at the personal tech Station when you're free. 0. Course presentation and informationThe code catalog

HTTP caching principle and mechanism Force caching mechanism (expiration Time mechanism): Rationale: When the client first requests the server, the server adds the cache rule information to the header, which the client will use to determine whether

PortalA problem let me also learn feasible flow and learn zkw cost flow ...Consider that the original problem can be converted into a graph, each time walk a path, each edge is covered at least once, for the minimum costBecause one side every time,

Composer's potSince the Phper have used the composer, for the traditional loading method is not used, can be described as "received East, lost roundabouts."Let's talk about how to change the load order to overwrite the helper function in Laravel.1.

1. Recycler Object Pooling recycler The implementation of the abstract class is very simple, there are only three methods: Get object: Recycler:get () Recycled object: Recycler:recycle () object created: Recycler:newobject () Newo　　Bject is an

Install the JDK and configure the Java environment. Download Eclipse and complete the installation Download the Webdriver jar file (visit selenium website, download the Java version of the zip file, and unzip to the local disk, unzip the

A page from the input URL to the page load display completed, this process has occurred:1. Browser Completion URL addressAfter entering the URL, the browser will automatically check that the address is complete, such as whether to add HTTPS protocol,

Using Ajax Using a view to pass data to a template through context requires loading a static page of the completed template, executing the model code, generating the most HTML, and returning it to the browser, which integrates the page with

Immediately at the end of the month, busy with work and life, not a good blog, a little sad. To make up, just write something simple.A recent project has a need to show a layer when the mouse is moved in and the layer disappears when it is removed.