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Generate a heatmap in MatPlotLib using a scatter data set

...rom pip (see webpage documentation). Consider the following code, which is based on the example: import numpy as np import numpy.random import matplotlib.pyplot as plt import sphviewer as sph def myplot(x, y, nb=32, xsize=500, ysize=500): xmin = np.min(x) xmax = np.max(x) ymin = np....
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How to use Git Revert

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Do login forms need tokens against CSRF attacks?

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How should I have explained the difference between an Interface and an Abstract class?

...(String pass); public void checkDBforUser(); } Suppose you have 3 databases in your application. Then each and every implementation for that database needs to define the above 2 methods: public class DBMySQL implements LoginAuth{ // Needs to implement both methods } public class DBO...
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What is the difference between the Data Mapper, Table Data Gateway (Gateway), Data Access Object (DA

...erns? All of them seem like they are the same thing - encapsulate the database logic for a specific entity so the calling code has no knowledge of the underlying persistence layer. From my brief research all of them typically implement your standard CRUD methods and abstract away the database-spec...
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Easiest way to pass an AngularJS scope variable from directive to controller?

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When does invoking a member function on a null instance result in undefined behavior?

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Have Grunt generate index.html for different setups

...ad> <html> </html> UPD. Found out that Yeoman, which is based on grunt, has a built-in usemin task that integrates with Yeoman's build system. It generates a production version of index.html from information in development version of index.html as well as other environment setting...
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How to configure MongoDB Java driver MongoOptions for production use?

...ue is -1 the write will not report any errors regardless of network or database errors. WriteConcern.NONE is the appropriate predefined WriteConcern for this. If w is 0 then network errors will make the write fail but mongo errors will not. This is typically referred to as "fire and forget" writes a...
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How to define object in array in Mongoose schema correctly with 2d geo index

...ch case i.e in case we need to store an array of javascript objects in database? For e.g naming fields as trk.lat and trk.lng in html wont work. – Raeesaa Apr 10 '14 at 6:53 3 ...