angular 2 lazy loading

1. Dictionary Turn modelCreate a class that inherits from NSObject, with the property name and dictionary key consistentcan implement dictionary to model@implementation Tzmessage+ (Instancetype) messagewithdict (nsdictioary*) dict{Tzmessage *mode = [[Tzmessage alloc] init];[Mode setvaluesforkeyswithdictonary:dict];return mode;}2. Lazy Loading+ (Nsarray *) message

Tag: address height var null pre load one log addLarge shopping sites will use the image lazy loading technology to optimize the homepage opening speed, in order to improve the user experience, then the concrete is how to achieve it, we explore the actual.HTML structure (div wrap layer is used to display the background image, wait for the picture to be loaded, show the real picture)class= "box " id= "box">

First: Lazyload Introduction and role:Website performance-optimized plugins that improve the user experience.Page if you have a lot of pictures, when you scroll to the corresponding line, the current picture is loaded immediately, this way the page opens only the visible area of the picture, while the other hidden pictures are not loaded.Second: The use of the occasionRelated to pictures, falsh resources, IFRAME, Web page Editor (CK), JS files occupy a large bandwidth, to avoid

1: Data, empty operation:self=nil;2: Archive from new local fetch dataself=nil;# #id = The use of nilBlock when the parameter is called in the method body as follows Safe block version#block#> ? #block#>() : nil;or advanced version: safe block Plus binding code versionif(#Block#>) {#Block#>();#Code:behavior that is performed at the same time after the request succeeds,like:in theUILabelin the classification method,after the request to the string

Lazyload is used to load images from longer pages until the page is too long to display them until they are displayed, which speeds up the page display.1. Use itUse it to reference only two files, as follows:Also add a property to the IMG tag and add a name to the IMG, with the following code:$ (function () { $ ("Img.lazy"). Lazyload ();});2. Add a thresholdYou can let it record 200 pixels before it appears on the screen, the code is as follows:$ (

(Isvisibletouser), if (Getuservisiblehint ()) {isVisible = True;onvisible ();} else {isVisible = False;oninvisible ();}} /** * Visible */protected void onvisible () {lazyload ();} /** * Invisible */protected void oninvisible () {}/** * lazy load * Subclasses must override this method */protected abstract void Lazyload ();}In our fragment, we only need to inherit this class and then rewrite the Lazyload () method in it, when fragment is visible to th

-one (Tx!=null }14 throw new RuntimeException (E.getmessage ()); 15} Finally }18} Brief analysis: When the request arrives, it is intercepted by this interceptor first, when the data is acquired and after the V layer is displayed, it returns to the inside of the filter , at which time the transaction is committed and the session is closed.About Chain.dofilter (request,response)His role is to forward the request to the next object on the filter chain. The next one here is the next filter,

In Hibernate object in the association collection, by default is lazy loading, Hibernate is the session for database access operations, after the action is finished, the session closed. Using the filter can be resolved, yes hibernate session is closed after action is used.Add a filter to the Web. xml file with the following code:1 Filter>2 Filter-name>Ope

, we first set up an app and public folder, in the app to create a new two files, Test.js and Main.js, respectively, create a new index.html file in Pulic so that our basic project prototype will produce 4. We write a snippet in index.html: Finally, we introduce our project catalogue.If you need to configure the following files for sub-environment packagingExplain what each file does.Define domain names and port numbersTo decide which environment to takeDefinition of three environmentsConfigurin

So what to does lazy loading for router in Angular 2.The Nomarl-to-write a router in Angular 2:You are simplecmp and usercmp as child components. You also import {simplecmp, usercmp} from ' xxxxxx '.It won't be

: { provide:translateloader, usefactory: (Createtranslateloader), deps: [Http] } }),Implementing AOT Compilationfunction Createtranslateloader (http:http) { returnnew translatehttploader (HTTP, './assets/ i18n/', '. JSON ');}Translatehttploader loading "/assets/i18n/[lang].json" file, [lang] for language file nameTranslateServiceImport {Component} from ' @

Benefit to, Router is ANGUALR 2 then can-lazy load the component on demand.Define a child router by adding three dots '/characters/... ':@RouteConfig ([ '/characters/ ... ' ' characters ' true }, '/vehicles/ ... ' ' Vehicles ' , component:vehiclescomponent}])So both ' characters ' and ' vehicles ' component container child router.Then on each component, we define it child RotuerImport {Component} from 'An

ES6 tool chain original: Hui Zhi networkIt's not easy to make the Angular2 app run, because it uses too many technologies that are not supported by the current mainstream browser. So, we need a tool chain:ANGULAR2 is the future-oriented technology, requires the browser to support the es6+, we have to try now, we need to add some shims to erase the current browser and ES6 differences: SYSTEMJS-Universal Module Loader supports JS module loading