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What are the advantages of NumPy over regular Python lists?
...definitely would for a billion cells -- neither approach would fit in a 32-bit architecture, but with 64-bit builds NumPy would get away with 4 GB or so, Python alone would need at least about 12 GB (lots of pointers which double in size) -- a much costlier piece of hardware!
The difference is most...
ASP.NET 4.5 has not been registered on the Web server
In my Win 7 development machine, and in order to use SQL Express instance instead of the localDB installed by default. I unchecked "Use IIS Express" in my MVC 4 project properties page (Web tab), then I got the following error:
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Why is XOR the default way to combine hashes?
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Assuming uniformly random (1-bit) inputs, the AND function output probability distribution is 75% 0 and 25% 1. Conversely, OR is 25% 0 and 75% 1.
The XOR function is 50% 0 and 50% 1, therefore it is good for combining uniform probability distributions.
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How to start a background process in Python?
... the PATH variable and the variant that does use it is not available under Windows.
– sorin
Oct 28 '09 at 17:14
36
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How to read a single character from the user?
... and it is returned (sort of like getch() ). I know there's a function in Windows for it, but I'd like something that is cross-platform.
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The tilde operator in Python
...ing bytes. It is the "invert" or "complement" operation, in which all the bits of the input data are reversed.
In Python, for integers, the bits of the twos-complement representation of the integer are reversed (as in b <- b XOR 1 for each individual bit), and the result interpreted again as a ...
How to save a PNG image server-side, from a base64 data string
...swered Jul 16 '12 at 19:55
drew010drew010
63.1k1010 gold badges116116 silver badges146146 bronze badges
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Web-scraping JavaScript page with Python
...lt:
2.1.1
Example
To give an example, I created a sample page with following HTML code. (link):
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Javascript scraping test</title>
</head>
<body>
<p id='intro-text'>No javascript...
Where is JAVA_HOME on macOS Mojave (10.14) to Lion (10.7)?
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Java(TM) SE Runtime Environment (build 1.8.0_121-b13)
Java HotSpot(TM) 64-Bit Server VM (build 25.121-b13, mixed mode)
% j9
% java -version
java version "9"
Java(TM) SE Runtime Environment (build 9+181)
Java HotSpot(TM) 64-Bit Server VM (build 9+181, mixed mode)
EDIT: Update for Java 10
export J...
Encoding an image file with base64
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310
I'm not sure I understand your question. I assume you are doing something along the lines of:
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