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Replace all elements of Python NumPy Array that are greater than some value

...o replace all values in it greater than or equal to a threshold T with 255.0. To my knowledge, the most fundamental way would be: ...
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How do I detect the Python version at runtime? [duplicate]

...check that you are running Python 3.x, use import sys if sys.version_info[0] < 3: raise Exception("Must be using Python 3") Here, sys.version_info[0] is the major version number. sys.version_info[1] would give you the minor version number. In Python 2.7 and later, the components of sys.ve...
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Create a pointer to two-dimensional array

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How to include “zero” / “0” results in COUNT aggregate?

... 102 You want an outer join for this (and you need to use person as the "driving" table) SELECT per...
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Asterisk in function call

... answered Mar 9 '11 at 0:01 CameronCameron 81.8k1818 gold badges172172 silver badges213213 bronze badges ...
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How to append contents of multiple files into one file

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Question mark and colon in JavaScript

...f the ? as "then" and : as "else". Your code is equivalent to if (max != 0) hsb.s = 255 * delta / max; else hsb.s = 0; share | improve this answer | follow ...
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GraphViz - How to connect subgraphs?

...ue statement is required. digraph G { compound=true; subgraph cluster0 { a -> b; a -> c; b -> d; c -> d; } subgraph cluster1 { e -> g; e -> f; } b -> f [lhead=cluster1]; d -> e; c -> g [ltail=cluster0,lhead=cluster1]; c -> e [...
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Transitions on the CSS display property

...rder: 1px solid #eee; } div > ul { visibility: hidden; opacity: 0; transition: visibility 0s, opacity 0.5s linear; } div:hover > ul { visibility: visible; opacity: 1; } <div> <ul> <li>Item 1</li> <li>Item 2</li> <li&...
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How to synchronize a static variable among threads running different instances of a class in Java?

...s on the class object. public class Test { private static int count = 0; public static synchronized void incrementCount() { count++; } } Explicitly synchronize on the class object. public class Test { private static int count = 0; public void incrementCount() { ...