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difference and when to use getApplication(), getApplicationContext(), getBaseContext() and someClass
...en the correct theme will be applied automatically. For more info, you may read this
– waqaslam
Nov 30 '14 at 6:51
@wa...
Clean ways to write multiple 'for' loops
...r typedef. Feel free to completely use anything from my answer, yours is already better.
– Zeta
Jan 8 '14 at 12:41
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Why does `a == b or c or d` always evaluate to True?
...:
In general of the two the second should be preferred as it's easier to read and also faster:
>>> import timeit
>>> timeit.timeit('name == "Kevin" or name == "Jon" or name == "Inbar"', setup="name='Inbar'")
0.4247764749999945
>>> timeit.timeit('name in {"Kevin", "Jon", ...
StringBuilder vs String concatenation in toString() in Java
...So - to your question:
The second approach would be faster, but it's less readable and harder to maintain.
As I said, in your specific case you would probably not see the difference.
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improv...
How can I make setInterval also work when a tab is inactive in Chrome?
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I would change the next-last line of the code to read before = now; to get the elapsed time since the start instead of the end of the previous call. This is usually what you want when animating things. As it is now, if an execution of the interval function takes 15ms, elaps...
Calling class staticmethod within the class body?
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After further reading I see that __func__ is just another name for im_func and was added to Py 2.6 for Python 3 forwards-compatibility.
– martineau
Oct 4 '12 at 0:06
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Can you run GUI applications in a Docker container?
...rmissions. This results in xauth inside docker container not being able to read the file. You can verify by running xauth list within the docker container. I have added chmod 755 $XAUTH after the xauth nlist :0 | ... command to resolve this.
– Abai
Sep 28 '17 a...
Declaring and initializing variables within Java switches
...gns it a value, which is why you get an error as you would when you try to read any other not-definitely-assigned local variable.
I would strongly recommend you not to use local variables declared in other cases - it leads to highly confusing code, as you've seen. When I introduce local variables i...
How to use PHP OPCache?
...es the php files in compiled form in memory. So you don't have overhead of reading from disk and compiling & optimizing of files by the php parser anymore. Memcache is something you can use to store variables in between sessions. Sayt for example a user has an update script that requests the sam...
RESTful password reset
... The fundamental flaw with this approach is that it assumes that you already know the user id. This will be true in some circumstances but how do you do it then when the username or user id is not known if the user only needs to specify an email for the reset.
– Alappin
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