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Which is faster: Stack allocation or Heap allocation
This question may sound fairly elementary, but this is a debate I had with another developer I work with.
23 Answers
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Mockito - difference between doReturn() and when()
...cifics of Mockito, I have found that the methods doReturn(...).when(...) is equivalent to when(...).thenReturn(...) . So, my question is what is the point of having two methods that do the same thing or what is the subtle difference between doReturn(...).when(...) and when(...).thenReturn(...)...
Use of “instanceof” in Java [duplicate]
...earned that Java has the instanceof operator. Can you elaborate where it is used and what are its advantages?
4 Answers
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Missing return statement in a non-void method compiles
I encountered a situation where a non-void method is missing a return statement and the code still compiles.
I know that the statements after the while loop are unreachable (dead code) and would never be executed. But why doesn't the compiler even warn about returning something? Or why would a...
How should I use try-with-resources with JDBC?
...from 3 to 2, and also you don't need closing ; at the end of the resource list. The advantage of using two try blocks is that all of your code is present up front so you don't have to refer to a separate method:
public List<User> getUser(int userId) {
String sql = "SELECT id, username FRO...
FFmpeg on Android
...ndroid. Now I have to build either an application like RockPlayer or use existing Android multimedia framework to invoke FFmpeg.
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What do ellipsis […] mean in a list?
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It means that you created an infinite list nested inside itself, which can not be printed. p contains p which contains p ... and so on. The [...] notation is a way to let you know this, and to inform that it can't be represented! Take a look at @6502's answer to s...
python max function using 'key' and lambda expression
...eturn the instance of type Player having maximum totalScore among the list players .
6 Answers
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Is it safe to resolve a promise multiple times?
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As I understand promises at present, this should be 100% fine. Only thing to understand is that once resolved (or rejected), that is it for a defered object - it is done.
If you should call then(...) on it's promise again, you should immediate...
JavaScript console.log causes error: “Synchronous XMLHttpRequest on the main thread is deprecated…”
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This happened to me when I was being lazy and included a script tag as part of the content that was being returned. As such:
Partial HTML Content:
<div>
SOME CONTENT HERE
</div>
<script src="/scripts/script.j...