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Get unique values from a list in python [duplicate]
I want to get the unique values from the following list:
30 Answers
30
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Why do we need argc while there is always a null at the end of argv?
... says
2 ...argc shall be the number of arguments passed to the program from
the environment in which the program is run. .... The value of argc
shall be non-negative. The value of argv[argc] shall be 0.
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Are NSLayoutConstraints animatable? [duplicate]
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Just follow this exact pattern:
self.heightFromTop.constant = 550.0f;
[myView setNeedsUpdateConstraints];
[UIView animateWithDuration:0.25f animations:^{
[myView layoutIfNeeded];
}];
where myView is the view where self.heightFromTop was added to. Your view is "j...
Is there a good reason I see VARCHAR(255) used so often (as opposed to another length)?
... chosen so often, other than being a nice round number ? Is it a holdout from some time in the past when there was a good reason (whether or not it applies today)?
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How does OAuth 2 protect against things like replay attacks using the Security Token?
...nts occurs in OAuth 2 in order for Site-A to access User's information from Site-B .
8 Answers
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Are negative array indexes allowed in C?
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That is correct. From C99 §6.5.2.1/2:
The definition of the subscript
operator [] is that E1[E2] is
identical to (*((E1)+(E2))).
There's no magic. It's a 1-1 equivalence. As always when dereferencing a pointer (*), you need to b...
What is the purpose of the Visual Studio Hosting Process?
... The hosting process tends to keep DLLs loaded that I want to write to from another running copy of Visual Studio. Killing the hosting process, or even exiting and restarting the offending VS, does not help, because the newly started hosting process loads the DLL again. This is the reason why I ...
Debugging Package Manager Console Update-Database Seed Method
...Entity Framework database configuration class when I run Update-Database from the Package Manager Console but didn't know how to do it. I wanted to share the solution with others in case they have the same issue.
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Clang optimization levels
...-loop-accesses -loop-distribute -loop-vectorize -loop-load-elim -alignment-from-assumptions -strip-dead-prototypes -loop-sink -instsimplify -div-rem-pairs -verify -ee-instrument -early-cse -lower-expect
clang adds : -momit-leaf-frame-pointer
clang drops : -mdisable-fp-elim -mrelax-all
-O2 is based...
Output to the same line overwriting previous output?
... same code on Python 2.6+, put the following line at the top of the file:
from __future__ import print_function
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