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Meaning of Android Studio error: Not annotated parameter overrides @NonNull parameter
I'm trying out Android Studio. Upon creating a new project and adding a default onSaveInstanceState method to the create MyActivity class, when I try to commit the code to Git, I get a strange error I don't understand. The code is this:
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Handling very large numbers in Python
I've been considering fast poker hand evaluation in Python. It occurred to me that one way to speed the process up would be to represent all the card faces and suits as prime numbers and multiply them together to represent the hands. To whit:
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How to secure RESTful web services?
I have to implement secure RESTful web services . I already did some research using Google but I'm stuck.
3 Answers
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Is it bad practice to return from within a try catch finally block?
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Personally, I would avoid this kind of coding as I don't feel like seeing return statements before finally statements.
My mind is simple and it process things rather linearly. Therefore when I walk through the code for dry running, I will have ten...
Is there any difference between DECIMAL and NUMERIC in SQL Server?
...l equivalence is not the same as equality. Actually, in the instructor's slides of the MS6232A course there's a comment added that they are ALMOST the same. At the same time, no recommendation is made by Microsoft regarding one or another (however DECIMAL makes more sense, as it's a standard's datat...
Python: Is it bad form to raise exceptions within __init__?
Is it considered bad form to raise exceptions within __init__ ? If so, then what is the accepted method of throwing an error when certain class variables are initialized as None or of an incorrect type?
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Is there a way to quickly capitalize the variable name in Eclipse
...sa are unlikely to occur unless someone has been ignoring the Java style guidelines. (I rarely encounter such code, and when I do my initial reaction is to write off the code as beyond salvage.)
fooBar -> FOO_BAR and vice-versa are plausible, but pretty unusual.
foobar -> fooBar is also plaus...
pandas read_csv and filter columns with usecols
...using column names rather than integer indices.
usecols is supposed to provide a filter before reading the whole DataFrame into memory; if used properly, there should never be a need to delete columns after reading.
This solution corrects those oddities:
import pandas as pd
from StringIO import S...
What is the difference between user variables and system variables?
...s are only for your account/profile.
If you deleted the system ones by accident, bring up the Registry Editor, then go to HKLM\ControlSet002\Control\Session Manager\Environment (assuming your current control set is not ControlSet002). Then find the Path value and copy the data into the Path value o...
Why isn't textarea an input[type=“textarea”]?
...ferent types of things, and imply different issues (semantics) for client-side handling.
– Marc Andreessen, 11 October 1993
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