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Generate a heatmap in MatPlotLib using a scatter data set

...py as np import numpy.random import matplotlib.pyplot as plt # Generate some test data x = np.random.randn(8873) y = np.random.randn(8873) heatmap, xedges, yedges = np.histogram2d(x, y, bins=50) extent = [xedges[0], xedges[-1], yedges[0], yedges[-1]] plt.clf() plt.imshow(heatmap.T, extent=extent,...
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How to filter specific apps for ACTION_SEND intent (and set a different text for each app)

...n't been able to gather a solution based on the answers given. Hopefully someone can help. I would like to provide the ability to share within an app. Following Android Dev Alexander Lucas' advice , I'd prefer to do it using intents and not using the Facebook/Twitter APIs. ...
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RESTfully design /login or /register resources?

...g out. (from http://en.wikipedia.org/wiki/Hypertext_Transfer_Protocol#Safe_methods) Some methods (for example, HEAD, GET, OPTIONS and TRACE) are defined as safe, which means they are intended only for information retrieval and should not change the state of the server. In other words, they should n...
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“To Do” list before publishing Android app to market [closed]

...n regard to publishing an app that goes beyond the obvious and already documented. 12 Answers ...
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How do I include inline JavaScript in Haml?

How can I write something like this to include in a template, but in Haml? 4 Answers 4...
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Git merge master into feature branch

... How do we merge the master branch into the feature branch? Easy: git checkout feature1 git merge master There is no point in forcing a fast forward merge here, as it cannot be done. You committed both into the feature branch and the...
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When and how should I use a ThreadLocal variable?

... One possible (and common) use is when you have some object that is not thread-safe, but you want to avoid synchronizing access to that object (I'm looking at you, SimpleDateFormat). Instead, give each thread its own instance of the object. For example: public class Foo {...
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What is Autoloading; How do you use spl_autoload, __autoload and spl_autoload_register?

I am learning advanced PHP standards and trying to implement new and useful methods. Earlier I was using __autoload just to escape including multiple files on each page, but recently I have seen a tip on __autoload manual ...
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How do you test functions and closures for equality?

...If "===" were defined on functions, the compiler would not be allowed to merge identical method bodies, share thunks, and perform certain capture optimizations in closures. Further, equality of this sort would be extremely surprising in some generics contexts, where you can get reabstractio...
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Calling clojure from java

... the top google hits for "calling clojure from java" are outdated and recommend using clojure.lang.RT to compile the source code. Could you help with a clear explanation of how to call Clojure from Java assuming you have already built a jar from the Clojure project and included it in the classpath...