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Meaning of Android Studio error: Not annotated parameter overrides @NonNull parameter
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124
It's an annotation, but the correct name is NonNull:
protected void onSaveInstanceState(@NonN...
Random hash in Python
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131
A md5-hash is just a 128-bit value, so if you want a random one:
import random
hash = random...
How to hide the keyboard when I press return key in a UITextField?
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12 Answers
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How can you sort an array without mutating the original array?
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176
Another way with es6 (non-deep copy):
const sorted = [...arr].sort();
the spread-syntax as ...
How do I use an INSERT statement's OUTPUT clause to get the identity value?
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1 Answer
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How to check if a user is logged in (how to properly use user.is_authenticated)?
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Update for Django 1.10+:
is_authenticated is now an attribute in Django 1.10.
The method was removed in Django 2.0.
For Django 1.9 and older:
is_authenticated is a function. You should call it like
if request.user.is_authenticated():
# do ...
How can I keep my branch up to date with master with git?
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175
Assuming you're fine with taking all of the changes in master, what you want is:
git checkout...
How to use string.replace() in python 3.x
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edited May 25 at 16:17
Boris
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answered F...
What is a mixin, and why are they useful?
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16 Answers
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How to get a reference to current module's attributes in Python
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137
Just use globals()
globals() — Return a dictionary
representing the current global sym...