angular 2 lazy loading

= '; for (var i = 0; i [{"RowId": 1, "d_id": 1, "D_name": "Name 1", "D_password": "Password Test 1", "D_else": "Other 1"}, {"RowId": 2, "d_id": 2, "D_name": "Name 2", "D_password": "Password Test 2", "D_else": "Other 2"}, {"RowId": 3, "d_id": 3, "D_na Me ":" Name

Lazy loading is primarily applied in the following scenarios: Data layer –ado. NET or Entity Framework and other ORMReflection – Loading assemblies, types, MEFCache objects, domain entities The following is an example of a domain entity in which we often check whether a field under a property is a null reference. If it is empty, calculate or populat

Swift is the same as the OC Lazy loading mechanism, but this aspect of the domestic data is relatively small, today, the search engine for Bing after the discovery of Bing to find English \ The latest information is stronger than Baidu. We typically do this in OC to initialize lazy loading: 1: @property (nonatomic,

Instance 1: default for all lazy attributes (support for lazy loading)Session = HibernateUtils.GetSession();Tx = session. beginTransaction ();// Do not issue SQL statements. lazy (lazy loading) is supported)User user = (User) sess

Lazy Loading (load on Demand) is a unique and powerful method of data acquisition that automatically gets more data when the user scrolls the page.And the new data will not affect the display of the original data, while minimizing the server-side resource consumption.For example, when the user scrolls to the corresponding location, display the corresponding picture, otherwise do not load!!! Here is an exam

Portal: Official address, jQuery Lazy Load v1.7.2 Download, GithubHow to use:1. Reference JS filesrc= "Jquery.js">script> src= "Jquery.lazyload.js">script>2. Modify the IMG tags in the HTML code that need to be modified The real picture address is written in the Data-original attribute, and the picture in the SRC attribute is replaced with a placeholder image (such as a 1x1 pixel gray picture or a

, 1); Lazy True/false class level System.out.println (Dept.getdeptname ());The load () method is stored in memory in the id attribute and getclass (), without requesting the database, and all other properties are required. 2. One-to-many and many-to-many correlation query strategiesIf a collection of other entities exists in an object, the set element needs to be configured in the HBM

Basic concepts of lazy loading and pre-loading. Lazy loading is also called delayed loading: the previous article introduced the delay loading of JS images. Some images are loaded only

Sometimes we see some large sites, page if there are many pictures, when you scroll to the corresponding line, the current picture of the row is loaded immediately, this way the page in the open only add visual area of the picture, and other hidden pictures are not loaded, a program to speed up the page loading, for the longer page, This plan is better.It is recommended to use the jquery image delay loading

{nhibernate.hibernateexception}: {"Initializing[model.entities.customer#2]-could not initialize Proxy-no Session. "}Entityid:2EntityName: "Model.Entities.Customer"You can see that products configured with lazy= "false" can be accessed because its data has been read with order, but when we visit the customer, we report the errors we have seen above, Because the customer is not configured for immediate

you set it to lazy loading, because querying 2 tables of data is definitely more expensive than querying 1 tables. How to set it down depends on your actual needs.The lazy load mechanism is proposed to avoid some unnecessary performance overhead, so-called lazy

We often encounter lazy loading problems in the development, in the entity mapping, many-to-one and many-to-many, many of the same property by default is Lazy= "true" (that is, the default is lazy loading),such as: Delay loading p

Javascript-based image lazy loading and javascript-based loading I. Definition Image delayed loading is also called lazy loading. It is used to load some images only when the image is delayed or meets certain conditions. It is usu

Example of succession to chapter seventh:Let's say lazy loading is also called lazily loading.Lazy Loading: Resultmap data is tree-like structure, when we use branch data to check, and vice versa, do not query, so you can save database resources. Then I do a little improvement on the basis of the previous demo: 1, first add the settings in Mybatis-config.xml:

is to declare it in the constructor of the DbContext class1 Public class Mydbcontext:dbcontext 2 {3 Public 45 this false 6 7 }Summarize:Greedy loading:1. Reduce the latency of data access and return all data in a single database access.2, one-time reading all the relevant data, may result in the actual use of some data, resulting in slower

Reference article:http://www.cnblogs.com/xiaohuochai/p/4859485.htmlhttp://www.cnblogs.com/xiaohuochai/p/4859899.html http://www.cnblogs.com/vajoy/p/4263291.html DefinedPicture delay loading is also known as lazy loading, loading some pictures when loading pictures late or qu

[NHibernate] components[NHibernate] One-to-many relationship (cascade Delete, cascade Add)[NHibernate] One-to-many relationship (associative query)[NHibernate] Many-to-many relationships (associative queries)Lazy Loading Lazy load (lazy load) is (also becomes lazy

Lazy loading means that the program delays accessing the database. This ensures that sometimes it is unnecessary to access the database because it is time-consuming to access the database once. I. load Method lazy loading First look at the following code segment 1 public class UserManager {

file cannot be set to false;(2) A one-to-one mapping of the constrained property from the object's mapping file is set to true;(3) A one-to-one mapping of the Fetch property from the object's mapping file is set to select.The first is to set whether to use lazy loading, set to false of course, can not implement lazy

StaticNSString *id =@"Hero"; //1. Find the cell that can be recycled through the cache pool//dequeue: Dequeue (Find)UITableViewCell *cell =[TableView Dequeuereusablecellwithidentifier:id]; if(Cell = =Nil) {Cell=[[UITableViewCell alloc] Initwithstyle:uitableviewcellstylesubtitle Reuseidentifier:id]; } //Get Object ModelHtohero *hthero =Self.apps[indexpath.row]; Cell.imageView.image=Hthero.heroimage; Cell.textLabel.text=Hthero.heroname; Cell.detailTextLabel.text=Hthero.herodis; returncell;}