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What is Lazy Loading?

... It's called lazy loading because, like a lazy person, you are putting off doing something you don't want to. The opposite is Eager Loading, where you load something right away, long before you need it. If you are curious why peop...
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Using Spring MVC Test to unit test multipart POST request

...eUpload is deprecated, you'll want to use MockMvcRequestBuilders#multipart(String, Object...) which returns a MockMultipartHttpServletRequestBuilder. Then chain a bunch of file(MockMultipartFile) calls. Here's a working example. Given a @Controller @Controller public class NewController { @Re...
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UIRefreshControl without UITableViewController

...ng a UIRefreshControl instance as a subview to my UITableView. And it magically just works! UIRefreshControl *refreshControl = [[UIRefreshControl alloc] init]; [refreshControl addTarget:self action:@selector(handleRefresh:) forControlEvents:UIControlEventValueChanged]; [self.myTableView addSubview:...
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Difference between EXISTS and IN in SQL?

...turns purely Boolean values, which is always faster than having to compare strings or values larger than a BIT/Boolean type. IN may or may not be a Boolean comparison. Since programming prefers EXPLICIT usage for stability (part of ACID), EXISTS is preferred generally. – clift...
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How to avoid annoying error “declared and not used”

...s it easier to read code written by other people (you are always sure that all declared variables will be used), and avoid some possible dead code. But, if you really want to skip this error, you can use the blank identifier (_) : package main import ( "fmt" // imported and not used: "fmt" ) ...
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Javascript Drag and drop for touch devices [closed]

...r("touchcancel", touchHandler, true); } And in your document.ready just call the init() function code found from Here share | improve this answer | follow ...
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Difference between classification and clustering in data mining? [closed]

...nomy" model. Airline example: coach, coach with early boarding, coach with extra leg room. – GDB Jun 24 '16 at 13:37 add a comment  |  ...
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What is the difference between `sorted(list)` vs `list.sort()`?

...all in-place operations). sorted() works on any iterable, not just lists. Strings, tuples, dictionaries (you'll get the keys), generators, etc., returning a list containing all elements, sorted. Use list.sort() when you want to mutate the list, sorted() when you want a new sorted object back. Use...
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How do I create an abstract base class in JavaScript?

...l value instead of an object so as to continue application execution, it really depends on your implementation. This, in my opinion, is the correct way to implement abstract JS "classes". – dudewad Jan 18 '16 at 21:36 ...
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HTTP 1.0 vs 1.1

...th the body. Much more: Digest authentication and proxy authentication Extra new status codes Chunked transfer encoding Connection header Enhanced compression support Much much more. share | i...