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Why is “if not someobj:” better than “if someobj == None:” in Python?
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The second form is categorically not bad practice. PEP 8 recommends using if x twice. First for sequences (instead of using len) and then for True and False (instead of using is). Practically all Python code I've seen uses if x and if ...
Java unchecked: unchecked generic array creation for varargs parameter
...y other methods because determining that there are no unsafe operations performed on it might not be trivial.
– neXus
Nov 10 '17 at 14:29
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How does Activity.finish() work in Android?
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postgresql - add boolean column to table set default
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How can I get the DateTime for the start of the week?
...This doesn't work if dt is UTC and is already the start of the week e.g. 2012-09-02 16:00:00Z which is Mon, 03 Sep 2012 00:00:00 in local time. So it needs to convert dt to local time or do something a bit smarter. It would also need to return the result as UTC if the input was UTC.
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Difference between TCP and UDP?
...ver, UDP is never used to send important data such as webpages, database information, etc; UDP is commonly used for streaming audio and video. Streaming media such as Windows Media audio files (.WMA) , Real Player (.RM), and others use UDP because it offers speed! The reason UDP is faster than TCP i...
How to do a join in linq to sql with method syntax?
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Is there a range class in C++11 for use with range based for loops?
...s (including, in this case, b). Your approach also doesn't provide any performance benefit over the non-macro, "range object"–based approach (e.g. Nawaz's answer).
– Quuxplusone
Sep 4 '14 at 23:34
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How to select Python version in PyCharm?
...which will now apply on each new project. It can be different on other platforms, but still similar.
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What is better: @SuppressLint or @TargetApi?
...e significantly more time in various circumstances (e.g., weak signal). Performing network I/O on the main application thread means that your app will randomly crash with an ANR in the field.
– CommonsWare
Jan 15 '13 at 19:06
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