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Convert a python UTC datetime to a local datetime using only python standard library?

... here ## You could use `tzlocal` module to get local timezone on Unix and Win32 # from tzlocal import get_localzone # $ pip install tzlocal # # get local timezone # local_tz = get_localzone() def utc_to_local(utc_dt): local_dt = utc_dt.replace(tzinfo=pytz.utc).astimezone(local_tz) ret...
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Why is MATLAB so fast in matrix multiplication?

...4 >> gputimeit(@()gA*gA) ans = 0.0022 Update using R2018b on a WIN64 machine with 16 physical cores and a Tesla V100: >> timeit(@()A*A) ans = 0.0229 >> gputimeit(@()gA*gA) ans = 4.8019e-04 (NB: at some point (I forget when exactly) gpuArray switched from MAGMA to cu...
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Difference between System.DateTime.Now and System.DateTime.Today

...signed to its Kind property. It is equivalent to calling any of the following: DateTime.UtcNow.ToLocalTime() DateTimeOffset.UtcNow.LocalDateTime DateTimeOffset.Now.LocalDateTime TimeZoneInfo.ConvertTime(DateTime.UtcNow, TimeZoneInfo.Local) TimeZoneInfo.ConvertTimeFromUtc(DateTime.UtcNow, TimeZon...
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How to test multiple variables against a value?

... If you can arrange for the most likely case to be first in the tuple, the win is even bigger: (my test: timeit.timeit('0 in {seq}'.format(seq=tuple(range(9, -1, -1))))) – SingleNegationElimination Oct 24 '13 at 15:27 ...
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Why is quicksort better than mergesort?

...ce an algorithm’s runtime, and, when taking them all together, quicksort wins out. In particular, the often-quoted runtime of sorting algorithms refers to the number of comparisons or the number of swaps necessary to perform to sort the data. This is indeed a good measure of performance, especial...
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Collections.emptyMap() vs new HashMap()

...sing a Collection instead of null to avoid Exceptions being thrown on following operations? Using an immutable collection would just result in some other sort of exception I imagine. And assigning null is most certainly not less efficient than assigning a immutable constant. – ...
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How to enable C++11/C++0x support in Eclipse CDT?

...hose steps and it works for me. I am using Eclipse Indigo 20110615-0604 on Windows with a Cygwin setup. Make a new C++ project Default options for everything Once created, right-click the project and go to "Properties" C/C++ Build -> Settings -> Tool Settings -> GCC C++ Compiler -> Mi...
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How to check if AlarmManager already has an alarm set?

... Following up on the comment ron posted, here is the detailed solution. Let's say you have registered a repeating alarm with a pending intent like this: Intent intent = new Intent("com.my.package.MY_UNIQUE_ACTION"); PendingIntent...
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How to use nodejs to open default browser and navigate to a specific URL

...rbesLindesay the callback is being called immediately, instead of when the window is closed. Any ideas? – Sam Selikoff Mar 1 '14 at 18:30 ...
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How to add semicolon after method call when inside parameter list in IntelliJ IDEA?

... For Windows or Linux users, Ctrl+Shift+Enter. For macOS/OS X users, ⌘ Command+⇧ Shift+Enter. That finishes the statement you're currently writing. Try it in a few different situations, like in if statements, for loops etc, ...