lazy-loading

问题 If have an entity A with a bidirectional one-or-zero-to-one mapping with entity B. The mapping is as follows: <class name="EntityA" table="TABLE_A" mutable="true" lazy="true"> <id name="idA" type="long" column="pk_a" unsaved-value="null"> <generator class="sequence"> <param name="sequence">pk_a_seq</param> </generator> </id> <one-to-one name="propertyB" class="EntityB" property-ref="propertyA" constrained="true" outer-join="false"/> </class> and <class name="EntityB" table="TABLE_B" mutable=

问题 If have an entity A with a bidirectional one-or-zero-to-one mapping with entity B. The mapping is as follows: <class name="EntityA" table="TABLE_A" mutable="true" lazy="true"> <id name="idA" type="long" column="pk_a" unsaved-value="null"> <generator class="sequence"> <param name="sequence">pk_a_seq</param> </generator> </id> <one-to-one name="propertyB" class="EntityB" property-ref="propertyA" constrained="true" outer-join="false"/> </class> and <class name="EntityB" table="TABLE_B" mutable=

问题 Angular2 lazy loading a route issue. I'm using Angular2, typscript, html5 and systemjs. I'm trying to get lazy loading working for one of my basic routes. This is the blog I'm following but I can't seem to get it working: http://blog.angular-university.io/angular2-ngmodule/ This is the console error I get: Uncaught (in promise): Error: Cannot match any routes. URL Segment: '500' My page is the 500 page. Below I have added my files at there current state. Module for 500 page: import { NgModule

问题 i have use a jscroll plugin and also used a lazy loading plugin in my application. now on scroll my content is load and replace properly but my images are not load. see my code:-- $('#product-grid').jscroll({ debug: true, autoTriggerUntil: 2, nextSelector: '.pager a:last', contentSelector: '.product-grid', callback:call() }); function call() { alert("hi"); $("img.lazy").lazyload(); } now in above code see i used a callback function but it's not call after all scroll. why? can any one help me

问题 I know that this has been discussed lot of times. I just can't understand how this work or where my mistake is. I think giving you a reduced example is the best way to show you what I'm trying to do and what assumptions I'm taking... I have a Product class with a name. The name is a String property that is lazy. My DAO: public abstract class HibernateProductDAO extends HibernateDaoSupport implements ProductDAO { public List getAll() { return this.getHibernateTemplate().find("from " + this

问题 I have a setup that is similar to the post found here http://ify.io/lazy-loading-in-angularjs/ to handle lazy loading various components of my app in Angular. The problem I'm having is that the more components one loads, the memory footprint of the app grows (obvious, I know). Is there a clean way to 'unload' or 'destroy' angular services / controllers/ directives / etc that have been lazy loaded? simple example (for reference) app.js var app = angular.module('parentApp', ['ui.router'])

问题 I have the following code which could be called via multiple web-requests at the same second. As such, I don't want the second+ request hitting the database, but waiting until the first one does. Should I refactor this to use the Lazy<T> keyword class instead? If 10 calls to a Lazy<T> piece of code occur at the same time, do 9 of those calls wait for the first one to complete? public class ThemeService : IThemeService { private static readonly object SyncLock = new object(); private static

问题 I have the following code which could be called via multiple web-requests at the same second. As such, I don't want the second+ request hitting the database, but waiting until the first one does. Should I refactor this to use the Lazy<T> keyword class instead? If 10 calls to a Lazy<T> piece of code occur at the same time, do 9 of those calls wait for the first one to complete? public class ThemeService : IThemeService { private static readonly object SyncLock = new object(); private static

问题 Assuming I have a select like this: <select size="4"> <option id="1">Please wait ...</option> <option id="2">Please wait ...</option> <option id="3">Please wait ...</option> <option id="4">Please wait ...</option> <option id="5">Please wait ...</option> </select> I should see a List of 4 elements having a scrollbar on the right. What i like to do now is to load the text via ajax if the option becomes visible somehow (scrolling and/or initial). EDIT: At the end, I do not load them lazy because

问题 I have a few entities with lazy one to many relationships (logic omitted for brevity): @Entity class A{ @OneToMany(fetch = FetchType.LAZY, cascade = CascadeType.ALL) @JoinColumn(name = "a_pk", nullable = false) List<B> blist = new ArrayList<>(); @OneToMany(fetch = FetchType.LAZY, cascade = CascadeType.ALL) @JoinColumn(name = "a_pk", nullable = false) List<C> clist = new ArrayList<>(); @Column(name = "natural_identifier", nullable = false) private String id; } @Entity class B{ } @Entity class