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Exact time measurement for performance testing [duplicate]
What is the most exact way of seeing how long something, for example a method call, took in code?
7 Answers
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What is the difference between Fragment and FragmentActivity?
My question is apart from the obvious inheritance differences, what are the main differences between Fragment and FragmentActivity ? To what scenarios are each class best suited? I'm trying to get an understanding of why both of these classes exist...
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Controlling the screenshot in the iOS 7 multitasking switcher
...onfiguration Profile Reference.
Here is an implementation that achieves what I needed. You can present your own UIImageView, or your can use a delegate-protocol pattern to obscure the confidential information:
// SecureDelegate.h
#import <Foundation/Foundation.h>
@protocol SecureDelegat...
What is the proper REST response code for a valid request but an empty data?
...ss appropriate than 204 and 404:
200 should be returned with the body of whatever you successfully fetched. Not appropriate when the entity you're fetching doesn't exist.
202 is used when the server has begun work on an object but the object isn't fully ready yet. Certainly not the case here. Y...
if A vs if A is not None:
...
if not eggs:
eggs = retrievefromconfigfile()
In the latter, what happens if you call spam(0) or spam([])? The function would (incorrectly) detect that you hadn't passed in a value for eggs and would compute a default value for you. That's probably not what you want.
Or imagine a meth...
Java “user.dir” property - what exactly does it mean?
...%3a%2f%2fstackoverflow.com%2fquestions%2f16239130%2fjava-user-dir-property-what-exactly-does-it-mean%23new-answer', 'question_page');
}
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Post as a guest
N...
What are the differences between NP, NP-Complete and NP-Hard?
What are the differences between NP , NP-Complete and NP-Hard ?
11 Answers
11
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Java Constructor Inheritance
...ry class would end up with a parameterless constructor. That's a bad idea. What exactly would you expect:
FileInputStream stream = new FileInputStream();
to do?
Now potentially there should be a way of easily creating the "pass-through" constructors which are fairly common, but I don't think it ...
How to avoid Dependency Injection constructor madness?
... case you can write null object implementations to stop the recursion. Not what you need, but the point is that Constructor Injection doesn't prevent cycles - it only makes it clear that they're there.
– Mark Seemann
May 2 '17 at 20:25
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How can I return two values from a function in Python?
...uld like to return two values from a function in two separate variables.
What would you expect it to look like on the calling end? You can't write a = select_choice(); b = select_choice() because that would call the function twice.
Values aren't returned "in variables"; that's not how Python work...