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Smooth GPS data
...mple Kalman filter that could be used for exactly this situation. It came from some work I did on Android devices.
General Kalman filter theory is all about estimates for vectors, with the accuracy of the estimates represented by covariance matrices. However, for estimating location on Android de...
How to check if an app is installed from a web-page on an iPhone?
...
As far as I know you can not, from a browser, check if an app is installed or not.
But you can try redirecting the phone to the app, and if nothing happens redirect the phone to a specified page, like this:
setTimeout(function () { window.location = "ht...
When is “i += x” different from “i = i + x” in Python?
...otation of i = i + . Is there a case in which i += 1 would be different from i = i + 1 ?
3 Answers
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How do you read a file into a list in Python? [duplicate]
... list in python (note these are not either or) -
use of with - supported from python 2.5 and above
use of list comprehensions
1. use of with
This is the pythonic way of opening and reading files.
#Sample 1 - elucidating each step but not memory efficient
lines = []
with open("C:\name\MyDocume...
What is an example of the Liskov Substitution Principle?
... to model this with inheritance. However if in code you made Square derive from Rectangle, then a Square should be usable anywhere you expect a Rectangle. This makes for some strange behavior.
Imagine you had SetWidth and SetHeight methods on your Rectangle base class; this seems perfectly logical...
How to write to a file, using the logging Python module?
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Taken from the "logging cookbook":
# create logger with 'spam_application'
logger = logging.getLogger('spam_application')
logger.setLevel(logging.DEBUG)
# create file handler which logs even debug messages
fh = logging.FileHandler...
Swift native base class or NSObject
...n include or omit a superclass as needed.
Note that omitting a superclass from the class declaration, doesn't assign a implicit base superclass of any kind. It defines a base class, which will effectively become the root for an independent class hierarchy.
From the language reference:
Swift cl...
What is the difference between “git branch” and “git checkout -b”?
...r say: "git branch creates the branch but you remain in the current branch FROM WHICH you have checked out."
– Akash Verma
May 16 at 18:03
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Why is x86 ugly? Why is it considered inferior when compared to others? [closed]
...isters was still a significant weakness for 32-bit x86. x86-64's increase from 8 to 16 integer and vector registers is one of the biggest factors in 64bit code being faster than 32-bit (along with the more efficient register-call ABI), not the increased width of each register. A further increase f...
What is the meaning of “non temporal” memory accesses in x86
...30.html . I couldn't find more precise references, I only heard about this from guys whose job is to implement processor simulators.
– Pascal Cuoq
May 4 '10 at 20:03
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