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python Programming Glossary: productHow to generate all permutations of a list in Python http://stackoverflow.com/questions/104420/how-to-generate-all-permutations-of-a-list-in-python r break else return And another based on itertools.product def permutations iterable r None pool tuple iterable n len pool.. iterable n len pool r n if r is None else r for indices in product range n repeat r if len set indices r yield tuple pool i for..
How can I profile a SQLAlchemy powered application? http://stackoverflow.com/questions/1171166/how-can-i-profile-a-sqlalchemy-powered-application query is returning more rows than expected a cartesian product as a result of an incomplete join can cause this issue. Yet..
Using numpy to build an array of all combinations of two arrays http://stackoverflow.com/questions/1208118/using-numpy-to-build-an-array-of-all-combinations-of-two-arrays as np def cartesian arrays out None Generate a cartesian product of input arrays. Parameters arrays list of array like 1 D arrays.. arrays list of array like 1 D arrays to form the cartesian product of. out ndarray Array to place the cartesian product in. Returns.. product of. out ndarray Array to place the cartesian product in. Returns out ndarray 2 D array of shape M len arrays containing..
How do I create a namespace package in Python? http://stackoverflow.com/questions/1675734/how-do-i-create-a-namespace-package-in-python way to define a namespace package so more than one Python product can define modules in that namespace python namespaces package..
more efficient way to calculate distance in numpy? http://stackoverflow.com/questions/17527340/more-efficient-way-to-calculate-distance-in-numpy have multiplications and sums try to use one of the dot product functions or np.einsum . Since you are preallocating your arrays..
Why is numpy's einsum faster than numpy's built in functions? http://stackoverflow.com/questions/18365073/why-is-numpys-einsum-faster-than-numpys-built-in-functions arr_3D arr_3D 1 loops best of 3 694 ms per loop Outer product np.all np.outer arr_1D arr_1D np.einsum 'i k ik' arr_1D arr_1D..
Why program functionally in Python? http://stackoverflow.com/questions/1892324/why-program-functionally-in-python comment claims that reduce is the best way to compute the product of a list. Oh really Let's see... python mtimeit s'L range 12..
What is the best project structure for a Python application? http://stackoverflow.com/questions/193161/what-is-the-best-project-structure-for-a-python-application baz I recommend putting all of this under the name of my product directory. So if you're writing an application named quux the..
Fastest way to list all primes below N in python http://stackoverflow.com/questions/2068372/fastest-way-to-list-all-primes-below-n-in-python of 30 pos a # on tkc then I need the index given by the product of 30 pos a 30 pos b # in general. If b a I need 30 pos a 30..
http://stackoverflow.com/questions/261638/how-do-i-protect-python-code Choose the language that lets you develop the best product quickest and be realistic about how valuable your novel ideas..
How can you determine a point is between two other points on a line segment? http://stackoverflow.com/questions/328107/how-can-you-determine-a-point-is-between-two-other-points-on-a-line-segment share improve this question Check if the cross product of b a and c a is 0 as tells Darius Bacon tells you if the points.. c is between a and b you also have to check that the dot product of b a and c a is positive and is less than the square of the.. b. In non optimized pseudocode def isBetween a b c crossproduct c.y a.y b.x a.x c.x a.x b.y a.y if abs crossproduct epsilon..
Embedding Python in an iPhone app http://stackoverflow.com/questions/3691655/embedding-python-in-an-iphone-app build it in Xcode for example but what does matter is the product of that build. Namely you are going to need to build something..
Amazon API library for Python? http://stackoverflow.com/questions/48884/amazon-api-library-for-python What Python libraries do folks use for querying Amazon product data Amazon Associates Web Service used to be called E Commerce..
http://stackoverflow.com/questions/5276967/python-in-xcode-4-or-xcode-5 . Select External Build System and click Next . Enter the product name organization name and company identifier. For the Build..
Get the cartesian product of a series of lists in Python http://stackoverflow.com/questions/533905/get-the-cartesian-product-of-a-series-of-lists-in-python the cartesian product of a series of lists in Python How can I get the Cartesian.. a series of lists in Python How can I get the Cartesian product every possible combination of values from a group of lists Input..
Best way to integrate Python and JavaScript? http://stackoverflow.com/questions/683462/best-way-to-integrate-python-and-javascript but if anyone has done it within a serious project or product . I'm guessing it would be possible using Jython and Rhino for..
Power set and Cartesian Product of a set python http://stackoverflow.com/questions/10342939/power-set-and-cartesian-product-of-a-set-python set and Cartesian Product of a set python I am trying to find the cartesian product of..
Method return value to call another form in OpenERP http://stackoverflow.com/questions/12634031/method-return-value-to-call-another-form-in-openerp that would open another form instead For example in the Product form buttons can call a sales form or a wizard form. python..
Calculating a SHA hash with a string + secret key in python http://stackoverflow.com/questions/1306550/calculating-a-sha-hash-with-a-string-secret-key-in-python a SHA hash with a string secret key in python Amazon Product API now requires a signature with every request which I'm trying..
Rally APIs: How to copy Test Folder and member Test Cases http://stackoverflow.com/questions/13223568/rally-apis-how-to-copy-test-folder-and-member-test-cases associate the new Test Case to original Test Case's Work Product i.e. Defect User Story or copy Discussion items Test Case Results..
Why can't I upload jpg files to my Django app via admin/? http://stackoverflow.com/questions/1402002/why-cant-i-upload-jpg-files-to-my-django-app-via-admin class ImageMain models.Model product models.ForeignKey Product photo models.ImageField upload_to 'products' In development..
Django - How to do tuple unpacking in a template 'for' loop http://stackoverflow.com/questions/271077/django-how-to-do-tuple-unpacking-in-a-template-for-loop the second item in the tuple is another list like this Product_Type_1 product_1 product_2 Product_Type_2 product_3 product_4.. another list like this Product_Type_1 product_1 product_2 Product_Type_2 product_3 product_4 In plain old Python I could iteration.. product types each with several products in models.py Product has a foreign key to Product_type a simple one to many relationship..
Using Django time/date widgets in custom form http://stackoverflow.com/questions/38601/using-django-time-date-widgets-in-custom-form td tr endfor table input type submit name submit value Add Product form Also I think it should be noted that I haven't really written.. the url.py r'^admin products add ' create_object 'model' Product 'post_save_redirect' '' And I am relevantly new to the whole.. model from django import forms from my_app.models import Product from django.contrib.admin import widgets class ProductForm..
Amazon Book API for Python or Ruby? [duplicate] http://stackoverflow.com/questions/4589813/amazon-book-api-for-python-or-ruby ruby ruby amazon.shtml The Python option The Product Advertising API helps you advertise Amazon products using product.. information and features such as Customer Reviews Similar Products Wish Lists and New and Used listings. http pypi.python.org..
Change IntegerProperty to FloatProperty of existing AppEngine DataStore http://stackoverflow.com/questions/4742875/change-integerproperty-to-floatproperty-of-existing-appengine-datastore Learn search.SearchableModel pid db.ReferenceProperty Product collection_name 'picks' title db.StringProperty description.. Learn search.SearchableModel pid db.ReferenceProperty Product collection_name 'picks' title db.StringProperty description..
http://stackoverflow.com/questions/5276967/python-in-xcode-4-or-xcode-5 the .py extension and click Save . In the menu bar click Product Scheme Edit Scheme . Click Run in the left column. In the Info.. . Instead of using the play button in the menu bar click Product Perform Action Run Without Building or simply use the keyboard..
How do I get a list of every possible combination of product prices to reach a target cost? http://stackoverflow.com/questions/7825323/how-do-i-get-a-list-of-every-possible-combination-of-product-prices-to-reach-a-t cost Suppose I have a list of three products A B C . Each Product has a price. Given a total cost I want to find all the possible..
Combining 2 .csv files by common column http://stackoverflow.com/questions/826812/combining-2-csv-files-by-common-column Manufacturer Name Model Number Retailer Category Buy URL Product Name Availability Shipping Cost Condition MPID Image URL UPC..
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