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Drawing Isometric game worlds

...echnique for mapping the tiles to the screen can be said that the tile's x and y coordinates are on the vertical and horizontal axes. "Drawing in a diamond" approach: By drawing an isometric map using "drawing in a diamond", which I believe refers to just rendering the map by using a nested for-lo...
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C# Passing Function as Argument [duplicate]

...s mentioned above works but there are also delegates that do the same task and also define intent within the naming: public delegate double MyFunction(double x); public double Diff(double x, MyFunction f) { double h = 0.0000001; return (f(x + h) - f(x)) / h; } public double MyFunctionMet...
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Return two and more values from a method

... should use code formatting, not text formatting. Indent lines four spaces and the weirdness caused by irb's >> prompt will go away. – Chris Lutz Dec 25 '09 at 15:31 4 ...
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RESTful Authentication

What does RESTful Authentication mean and how does it work? I can't find a good overview on Google. My only understanding is that you pass the session key (remeberal) in the URL, but this could be horribly wrong. ...
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How does a public key verify a signature?

...m trying to get a better grapple on how public/private keys work. I understand that a sender may add a digital signature to a document using his/her private key to essentially obtain a hash of the document, but what I do not understand is how the public key can be used to verify that signature. ...
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Why is ArrayDeque better than LinkedList

I am trying to to understand why Java's ArrayDeque is better than Java's LinkedList as they both implement Deque interface. ...
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How to make connection to Postgres via Node.js

... find myself trying to create a postgres database, so I installed postgres and started a server with initdb /usr/local/pgsql/data , then I started that instance with postgres -D /usr/local/pgsql/data now how can I interact with this through node? For example, what would the connectionstring be,...
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“#include” a text file in a C program as a char[]

... $ xxd -i < file.txt > file.xxd $ echo ', 0' >> file.xxd and in the main.c char file_content[] = { #include "file.xxd" }; – ZeD Jan 4 '09 at 16:10 3 ...
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How can I set the aspect ratio in matplotlib?

... Third times the charm. My guess is that this is a bug and Zhenya's answer suggests it's fixed in the latest version. I have version 0.99.1.1 and I've created the following solution: import matplotlib.pyplot as plt import numpy as np def forceAspect(ax,aspect=1): im = ax.g...
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List directory tree structure in python?

... Similar to answers above, but for python3, arguably readable and arguably extensible: from pathlib import Path class DisplayablePath(object): display_filename_prefix_middle = '├──' display_filename_prefix_last = '└──' display_parent_prefix_middle = ' ' ...