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Making heatmap from pandas DataFrame

...end the Seaborn heatmap() as documented here. The example above would be done as follows: import numpy as np from pandas import DataFrame import seaborn as sns %matplotlib inline Index= ['aaa', 'bbb', 'ccc', 'ddd', 'eee'] Cols = ['A', 'B', 'C', 'D'] df = DataFrame(abs(np.random.randn(5, 4)), in...
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jQuery/Javascript function to clear all the fields of a form [duplicate]

... This one works just perfect! This should be the right answer! – Xedret Jan 25 '14 at 1:59 ...
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What is reflection and why is it useful?

...n type in Java, and you would like to call a 'doSomething' method on it if one exists. Java's static typing system isn't really designed to support this unless the object conforms to a known interface, but using reflection, your code can look at the object and find out if it has a method called 'doS...
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Quicksort vs heapsort

... write 100% of elements in another array and write it back in the original one, even if data is already ordered. With Quicksort you don't swap what is already ordered. If your data is completely ordered, you swap almost nothing! Although there is a lot of fussing about worst case, a little improvem...
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What is a Java ClassLoader?

...d, the first class to run (or the entry point into the application) is the one with public static void method called main(). This class usually has references to other classes, and all attempts to load the referenced classes are carried out by the class loader. To get a feeling of this recursive cl...
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ISO time (ISO 8601) in Python

...tring while preserving the fact that it was created in the Eastern Time Zone (ET) . 13 Answers ...
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Is an empty href valid?

One of our web developers uses the following html as a placeholder for styling a drop down list. 10 Answers ...
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How do I prevent node.js from crashing? try-catch doesn't work

...rounding my code with a try-catch doesn't work either since everything is done asynchronously. I would like to know what does everyone else do in their production servers. ...
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Java, Classpath, Classloading => Multiple Versions of the same jar/project

...ome facts: Classloaders in an application are usually more than a single one. The bootstrap class loader delegates to the appropriate. When you instantiate a new class the more specific classloader is invoked. If it does not find a reference to the class you are trying to load, it delegates to its...
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Disabling implicit animations in -[CALayer setNeedsDisplayInRect:]

...isable fade in / out animations on insertion or change of sublayers within one of my layers, as well as changes in the size and contents of the layer. I believe the contents key is the one you're looking for in order to prevent the crossfade on updated drawing. Swift version: let newActions = [...