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pyplot scatter plot marker size

...lt is rcParams['lines.markersize'] ** 2. This can be taken literally. In order to obtain a marker which is x points large, you need to square that number and give it to the s argument. So the relationship between the markersize of a line plot and the scatter size argument is the square. In order...
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Python Pandas merge only certain columns

... Hmmm ... I tried using this to merge column 'Unique_External_Users' from df2 to df1 but got an error ... "None of [Index(['U', 'n', 'i', 'q', 'u', 'e', '', 'E', 'x', 't', 'e', 'r', 'n', 'a',\n 'l', '', 'U', 's', 'e', 'r', 's'],\n dtype='object')] are in the [column...
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Scrollview vertical and horizontal in android

... } return true; } }); You can change the order of the scrollviews. Just change their order in layout and in the code. And obviously instead of WateverViewYouWant you put the layout/views you want to scroll both directions. ...
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Intro to GPU programming [closed]

...There are tons of cool materials to read. http://www.nvidia.com/object/cuda_home.html Hello world would be to do any kind of calculation using GPU. Hope that helps. share | improve this answer ...
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Possible to make labels appear when hovering over a point in matplotlib?

... This does just what I need, thank you! As a bonus, in order to get it implemented, I rewrote my program so that instead of creating two separate scatter plots in different colors on the same figure to represent two sets of data, I copied the example's method for assigning color ...
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How do you specify that a class property is an integer?

...// Helper for generating Opaque types. type Opaque<T, K> = T & { __opaque__: K }; // 2 opaque types created with the helper type Int = Opaque<number, 'Int'>; type ID = Opaque<number, 'ID'>; // using our types to differentiate our properties even at runtime // they are still j...
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How to pip or easy_install tkinter on Windows

...nter these two commands: >>> import tkinter >>> tkinter._test() This should pop up a small window; the first line at the top of the window should say "This is Tcl/Tk version 8.5"; make sure it is not 8.4! 2) Uninstall 64-bit Python and install 32 bit Python. ...
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What is the strict aliasing rule?

...sg) onto a buffer of the word size of your system (like a pointer to uint32_ts or uint16_ts). When you overlay a struct onto such a buffer, or a buffer onto such a struct through pointer casting you can easily violate strict aliasing rules. So in this kind of setup, if I want to send a message to so...
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Why must wait() always be in synchronized block

We all know that in order to invoke Object.wait() , this call must be placed in synchronized block, otherwise an IllegalMonitorStateException is thrown. But what's the reason for making this restriction? I know that wait() releases the monitor, but why do we need to explicitly acquire the mon...
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Return from lambda forEach() in java

...element from it, rather it filters only as many elements as it needs to in order to find the first matching one. You could also use findAny() instead of findFirst() if you don't necessarily care about getting the first matching player from the (ordered) stream but simply any matching item. This al...