lazy-loading

I have read some articles that state that IEnumerable used to mimic stored procedures or restrict your database. Lost lazy loading ability on the external provider. Where as IQueryable to give developers more flexibility. Lazy loading is there. In terms of performance, both consume a significant amount of performance .. so which one is more preferable? Robert Harvey From the perspective of a Repository Pattern, you can think of it this way: Use an eager loading IEnumerable when you want to pass an entire list to the client in one go. They can still add linq clauses, but the client does not

Let's say I have two entities in my Symfony2 project : Category and Article (a category having many articles). In my CategoryRepository , I have this method: findAllDummy(){ return $this->createQueryBuilder('c') ->leftJoin('c.Articles a') ->getQuery()->getResult(); } If I remember well, in Symfony1.4 (and the corresponding version of Doctrine), the returned objects would have their 'articles' attribute filled by the corresponding Article objects. Now, in Symfony2, Proxy objects are returned. So if I loop through a specific category's articles, As many queries as iterations will be executed.

I have got an abstract base class and inherited poco entities. I am using table per subclass inheritance with fluent nhibernate 1.1 automapping. The class inheritance looks like follows Node (abstract class) Place : Node Asset : Node Node class is basically a tree structure. public abstract class Node { public virtual int Id { get; set; } public virtual Node ParentNode { get; set; } public virtual ICollection<Node> ChildNodes { get; set; } } Now the problem is when I get an object of Asset from database and do objAsset.ParentNode, I can cast ParentNode to Asset or Place, but if I do something

I'm using angular cli AoT compilation. When I try to make a lazy load component following this tutorial , I got the error below: ERROR Error: Uncaught (in promise): TypeError: __webpack_require__.e is not a function TypeError: __webpack_require__.e is not a function at webpackAsyncContext (eval at ./src/$$_lazy_route_resource lazy recursive (main.bundle.js:13), <anonymous>:15:29) at SystemJsNgModuleLoader.loadAndCompile (core.js:6554) at SystemJsNgModuleLoader.load (core.js:6538) at RouterConfigLoader.loadModuleFactory (router.js:4543) at RouterConfigLoader.load (router.js:4523) at

jQuery LazyLoad doesn't load images in open page's visible part until I scroll page even on 1px. When I scroll page all works right Update: CoffeScript jQuery -> $("img.lazy").show().lazyload() $(window).resize() But $(window).resize() helps only if i enter it from browser's console when page have loaded Your images must have width and height set. $("img.lazy").lazyload({ threshold : 50 }); And add this: $(window).load(function(){ $("html,body").trigger("scroll"); }); Try this.... $(function() { $("img.lazy").show().lazyload() window.onload = function() { $(window).resize() }; }); I am too