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Getting distance between two points based on latitude/longitude
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lat1 = radians(52.2296756)
lon1 = radians(21.0122287)
lat2 = radians(52.406374)
lon2 = radians(16.9251681)
dlon = lon2 - lon1
dlat = lat2 - lat1
a = sin(dlat / 2)**2 + cos(lat1) * cos(lat2) * sin(dlon / 2)**2
c = 2 * atan2(sqrt(a), sqrt(1 - a))
distance = R * c
print("Result:", distance)
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What does it mean to inflate a view from an xml file?
...R.layout.your_layout, null); // 2 and 3
setContentView(theInflatedView) // 4
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How do you run your own code alongside Tkinter's event loop?
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Use the after method on the Tk object:
from tkinter import *
root = Tk()
def task():
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Determine the number of NA values in a column
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Install gitk on Mac
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Correct, the 1.7.12.4 (Apple Git-37) does not come with gitk. You can install a more recent version of git + git-ui as a separate formula by using brew. More thorough instructions located here: http://www.moncefbelyamani.com/how-to-install-xcod...
Make the current Git branch a master branch
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How can I apply a function to every row/column of a matrix in MATLAB?
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gnovicegnovice
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Difference between jQuery parent(), parents() and closest() functions
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Amit Shah
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answered Feb 8 '12 at 12:35
SubashSubash
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Algorithm to generate a crossword
...it there and go to step 3, otherwise, continue searching for a place (step 4).
Continue this loop until all the words are either placed or unable to be placed.
This makes a working, yet often quite poor crossword. There were a number of alterations I made to the basic recipe above to come up with ...