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Why is semicolon allowed in this python snippet?
Python does not warrant the use of semicolons to end statements.
So why is this (below) allowed?
15 Answers
...
to drawRect or not to drawRect (when should one use drawRect/Core Graphics vs subviews/images and wh
...on the oldest hardware your app will support. If you can't get 60fps, drop down to CoreGraphics. When you've done this for a while, you get a sense for when UIKit is probably a waste of time.
So, why is Core Graphics fast?
CoreGraphics isn't really fast. If it's being used all the time, you're pro...
CMake output/build directory
...:
cd src
rm CMakeCache.txt
cd ..
Then remove all the set() commands and do:
cd Compile
rm -rf *
cmake ../src
As long as you're outside of the source directory when running CMake, it will not modify the source directory unless your CMakeList explicitly tells it to.
Once you have this working, ...
Can I set variables to undefined or pass undefined as an argument?
...
I'm a bit confused about Javascript undefined & null.
Don't be confused about null. It generally makes sense and behaves similarly to other scripting languages' concepts of the out-of-band ‘null’, ‘nil’ or ‘None’ objects.
undefined, on the other hand, is a weird Jav...
Test if a variable is a list or tuple
...r unicode like so:
import types
isinstance(var, types.StringTypes)
N.B. Don't mistake types.StringType for types.StringTypes. The latter incorporates str and unicode objects.
The types module is considered by many to be obsolete in favor of just checking directly against the object's type, so i...
Injecting a mock into an AngularJS service
...Value');
}));
});
Note that because of the call to $provide.value you don't actually need to explicitly inject myDependency anywhere. It happens under the hood during the injection of myService. When setting up mockDependency here, it could just as easily be a spy.
Thanks to loyalBrown for the...
Why does Python use 'magic methods'?
...is respect and has historical roots.
Here's a quote from the FAQ:
Why does Python use methods for some
functionality (e.g. list.index()) but
functions for other (e.g. len(list))?
The major reason is history. Functions
were used for those operations that
were generic for a group of ...
MVVM in WPF - How to alert ViewModel of changes in Model… or should I?
...'s data, which is not usually the case.
If you ever have a case where you don't actually have a reference to your Model property to attach the PropertyChanged event to it, then you can use a Messaging system such as Prism's EventAggregator or MVVM Light's Messenger.
I have a brief overview of mess...
How to include view/partial specific styling in AngularJS
...
I know this question is old now, but after doing a ton of research on various solutions to this problem, I think I may have come up with a better solution.
UPDATE 1: Since posting this answer, I have added all of this code to a simple service that I have posted to Gi...
How to create the most compact mapping n → isprime(n) up to a limit N?
...
There are many ways to do the primality test.
There isn't really a data structure for you to query. If you have lots of numbers to test, you should probably run a probabilistic test since those are faster, and then follow it up with a deterministi...