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Getting the last element of a list
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some_list[-1] is the shortest and most Pythonic.
In fact, you can do much more with this syntax. The some_list[-n] syntax gets the nth-to-last element. So some_list[-1] gets the last element, some_list[-2] gets the second to las...
What's the difference between BaseAdapter and ArrayAdapter?
...String> adapter = new ArrayAdapter<>(this, android.R.layout.simple_dropdown_item_1line, COUNTRIES);
AutoCompleteTextView textView = (AutoCompleteTextView) findViewById(R.id.countries_list);
textView.setAdapter(adapter);
Here we can't use BaseAdapter like ArrayAdapter.
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How to use Swift @autoclosure
...answered Jun 8 '14 at 5:28
eddie_ceddie_c
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How to find out the number of CPUs using python
...n >= 2.6 you can simply use
import multiprocessing
multiprocessing.cpu_count()
http://docs.python.org/library/multiprocessing.html#multiprocessing.cpu_count
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When to use generic methods and when to use wild-card?
...dited Feb 13 '17 at 10:13
diyoda_
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answered Aug 11 '13 at 21:21
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Best way for a 'forgot password' implementation? [closed]
...ause usernames are sometimes forgotten too.
The system has a table password_change_requests with the columns ID, Time and UserID. When the new user presses the button, a record is created in the table. The Time column contains the time when the user pressed the "Forgot Password" button. The ID is a ...
Why don't they teach these things in school? [closed]
...this agreement is based on personal experience and informal reasoning. In order to be a socially accepted "best practice", we need quantitative data which can be very expensive to gather: how much does version control help? How does it help? Unit testing? We can reason about the effectiveness of...
How do I choose between Semaphore and SemaphoreSlim?
... important. Semaphore blocks the thread instead.
– r2_118
Jan 4 '16 at 22:34
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C++, Free-Store vs Heap
...oes not distinguish 'heap' and 'free store': stroustrup.com/Programming/17_free_store.ppt, slide 12. 'Heap' was used as a synonym of dynamic memory long ago before C++, since Lisp time (1960s) which used heap data structure for memory allocation.
– Alexey Voytenko
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Python strptime() and timezones?
...time module documentation says:
Return a datetime corresponding to date_string, parsed according to format. This is equivalent to datetime(*(time.strptime(date_string, format)[0:6])).
See that [0:6]? That gets you (year, month, day, hour, minute, second). Nothing else. No mention of timezones....