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python Programming Glossary: deriveEvaluate sympy expression from an array of values http://stackoverflow.com/questions/10678843/evaluate-sympy-expression-from-an-array-of-values deriving the expression to be evaluated was hard so you derive it in SymPy and then evaluate it in NumPy SciPy C Fortran. To..
http://stackoverflow.com/questions/10825926/python-3-x-rounding-behavior 3.0 approach eliminates this issue. Your puzzlement may derive from a misconception that there is only one method of rounding...
How does perspective transformation work in PIL? http://stackoverflow.com/questions/14177744/how-does-perspective-transformation-work-in-pil to four points in a plane B. With those points you can derive the homographic transform. By doing this you obtain your 8 coefficients..
How to set up and solve simultaneous equations in python http://stackoverflow.com/questions/14367331/how-to-set-up-and-solve-simultaneous-equations-in-python a snapshot for the example case n 50 showing how you can derive the coefficient matrix and understand the block structure. The.. from which of the above given eqs. the row eq. has been derived As Jaime suggested multiplying by n improves the code. This..
Passing Python Data to JavaScript via Django http://stackoverflow.com/questions/1445989/passing-python-data-to-javascript-via-django on the user's selection from a menu of choices. I want to derive these data from a Python dictionary. I think I know how to embed..
Django: signal when user logs in? http://stackoverflow.com/questions/1990502/django-signal-when-user-logs-in requests. I added it to UserProfile so I don't have to derive from and customize the builtin User model for that purpose only...
i *must* store third party credentials in my database. best way? http://stackoverflow.com/questions/1994112/i-must-store-third-party-credentials-in-my-database-best-way encryption key somewhere else just moves the problem or derive it from the credentials and keep the algorithm secret just moves.. encrypt credentials using a synchronous stream cipher derive the not entropy from the credentials and keep the algorithm..
ValueError: no such test method in <class 'myapp.tests.SessionTestCase'>: runTest http://stackoverflow.com/questions/2090479/valueerror-no-such-test-method-in-class-myapp-tests-sessiontestcase-runtes rules. In this case I'd simply have EditProfileTestCase derive from LoginTestCase rather than directly from unittest.TestCase..
How to serialize db.Model objects to json? http://stackoverflow.com/questions/2114659/how-to-serialize-db-model-objects-to-json django.utils import simplejson on objects of types that derive from db.Model it throws exceptions. How to circumvent this ..
Undefined variable from import when using wxPython in pydev http://stackoverflow.com/questions/2143549/undefined-variable-from-import-when-using-wxpython-in-pydev two on line 5 import wx class MyFrame wx.Frame We simply derive a new class of Frame. def __init__ self parent title wx.Frame.__init__..
Difference between __getattr__ vs __getattribute__ in Python? http://stackoverflow.com/questions/3278077/difference-between-getattr-vs-getattribute-in-python up in infinite recursions very easily. New style classes derive from object old style classes are those in Python 2.x with no..
I have a Python list of the prime factors of a number. How do I (pythonically) find all the factors? http://stackoverflow.com/questions/3643725/i-have-a-python-list-of-the-prime-factors-of-a-number-how-do-i-pythonically-f Theorem of Arithmetic implies that I can use this list to derive every factor of the number. My current plan is to take each..
How do I initialize the base (super) class in Python? http://stackoverflow.com/questions/3694371/how-do-i-initialize-the-base-super-class-in-python old style and new style classes. New style classes are derived from 'object' and are what you are using and invoke their base..
Infinitely Nested Dictionary in Python http://stackoverflow.com/questions/4178249/infinitely-nested-dictionary-in-python dictionary nested share improve this question You can derive from defaultdict to get the behavior you want class InfiniteDict..
Python Property Change Listener Pattern http://stackoverflow.com/questions/5186520/python-property-change-listener-pattern flag. python share improve this question You can derive from the dict class and add a callback on any changes. This..
http://stackoverflow.com/questions/5541324/immutable-numpy-array way to create an immutable NumPy array If one has to derive a class from ndarray to do this what's the minimum set of methods..
How to convert longitude and latitude to street address http://stackoverflow.com/questions/6574585/how-to-convert-longitude-and-latitude-to-street-address is free and open for US addresses. Most other databases derive from it in the US. Geonames and OpenStreetMap are user supported..
Creating a singleton in python http://stackoverflow.com/questions/6760685/creating-a-singleton-in-python This means your class can't customize __new__ and can't derive from any classes that need __init__ called on them. When to..
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