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Simple way to find if two different lists contain exactly the same elements?
...have 3 options.
Option 1
Use containsAll(). This option is not ideal, in my opinion, because it offers worst case performance, O(n^2).
Option 2
There are two variations to this:
2a) If you don't care about maintaining the order ofyour lists... use Collections.sort() on both list. Then use the e...
Volatile vs Static in Java
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@Jaikrat Yes that was very confusing for me. My understanding is that you're right and that this answer is wrong, as written. I would also like to be corrected if I'm wrong.
– stuart
Jul 7 '15 at 18:31
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Difference between ApiController and Controller in ASP.NET MVC
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@JYL I augmented my answer to provide more detailed information.
– Andre Loker
Sep 12 '13 at 7:34
2
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How do I embed a single file from a GitHub gist with the new gist interface?
...RL from the left-hand side and after the .js add a query string like ?file=myFile.blah, e.g.
<script src="https://gist.github.com/4505639.js?file=macroBuild.scala" type="text/javascript"></script>
share
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Why is there huge performance hit in 2048x2048 versus 2047x2047 array multiplication?
... cache, swapping in data from another cache or main memory delays things.
My guess is that the variance in run times you're seeing with the different sized matrices is affected by how effectively the operating system can make use of the available cache (and some combinations are just problematic). ...
How can I dynamically create a selector at runtime with Objective-C?
I know how to create a SEL at compile time using @selector(MyMethodName:) but what I want to do is create a selector dynamically from an NSString . Is this even possible?
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Best practice for Python assert
...value
def __get__(self, obj, objType):
return self.__x
class MyClass(object):
x = variable()
>>> m = MyClass()
>>> m.x = 10
>>> m.x -= 20
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "my.py", line 7, in __se...
Why is the Android emulator so slow? How can we speed up the Android emulator? [closed]
...onal emulator. It's quicker than a real device too. I use it for 99.99% of my deployments as it means I can see the results in a fraction of the time. It also means I can use OpenGL ES and other things which are not available on a normal emulator.
– Eurig Jones
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Download and open PDF file using Ajax
... do see a pdf file there and not in the downloaded file, do let me know on my email. :)
– Mayur Padshala
Dec 29 '15 at 17:09
5
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Clearing intent
My Android app is getting called by an intent that is passing information (pendingintent in statusbar).
20 Answers
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