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If unit testing is so great, why aren't more companies doing it? [closed]
...real intrinsic value to them.
Management tends to be more concerned with rapid product delivery, and (incorrectly) sees unit testing as counterproductive to that goal.
There's a misperception that testing belongs solely in the pervue of QA. Developers are coders, and can't write tests.
There's a co...
What is the “Execute Around” idiom?
... Such situations arise whenever a program manipulates shared resources.
APIs for locks, sockets, files, or database connections may require a
program to explicitly close or release a resource that it previously
acquired. In a language without garbage collection, the programmer is
responsibl...
Create request with POST, which response codes 200 or 201 and content
... version of the resource. Even if it's something trivial like normalizing capitalization of a string. Isn't it a bit dodgy to treat your submitted version as the version the etag was created against?
– Anthony
Aug 30 '16 at 12:57
...
Service vs IntentService in the Android platform
...nts to the accepted answer:
See the usage of IntentService within Android API.
eg:
public class SimpleWakefulService extends IntentService {
public SimpleWakefulService() {
super("SimpleWakefulService");
}
@Override
protected void onHandleIntent(Intent intent) { ...}
To...
What is the purpose of the reader monad?
...ns! We have already defined runReader so what about the other parts of the API? Well, every Monad is also a Functor:
instance Functor (Reader env) where
fmap f (Reader g) = Reader $ f . g
Now, to get a monad:
instance Monad (Reader env) where
return x = Reader (\_ -> x)
(Reader f) &...
What are the effects of exceptions on performance in Java?
...ating that a method might fail. There's no other way to tell from just the API which methods are expected to always (mostly) work and which are expected to report failure.
Exceptions are safer than sentinels, faster than result objects, and less surprising than either. I'm not suggesting that try/c...
Why would you use an ivar?
...nd the App Stores have gone as far as banning the the use of private Apple APIs.
– justin
Feb 1 '12 at 22:50
1
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My Understanding of HTTP Polling, Long Polling, HTTP Streaming and WebSockets
...y early in it's evolution and is designed to provide a standard Javascript API with comparable simplicity to WebSockets.
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When to use an interface instead of an abstract class and vice versa?
...er in the chain who is adding implementation to a project, or extending an API.
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What is the difference between the HashMap and Map objects in Java?
... expose the specific map implementation to methods using the Map or via an API definition.
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