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How do I represent a hextile/hex grid in memory?
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Amit Patel has posted an amazing page on this topic. It's so comprehensive and wonderful that it needs to be the definitive answer to this question: Hexagonal Grids
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Handling very large numbers in Python
I've been considering fast poker hand evaluation in Python. It occurred to me that one way to speed the process up would be to represent all the card faces and suits as prime numbers and multiply them together to represent the hands. To whit:
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Cosmic Rays: what is the probability they will affect a program?
Once again I was in a design review, and encountered the claim that the probability of a particular scenario was "less than the risk of cosmic rays" affecting the program, and it occurred to me that I didn't have the faintest idea what that probability is.
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ADB Shell Input Events
What is the basic difference between adb shell input keyevent and adb shell sendevent ? Which one should I use for inputting a character? Are the keycodes the same that we pass to both the commands?
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Python: Is it bad form to raise exceptions within __init__?
Is it considered bad form to raise exceptions within __init__ ? If so, then what is the accepted method of throwing an error when certain class variables are initialized as None or of an incorrect type?
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Maximum concurrent Socket.IO connections
This question has been asked previously but not recently and not with a clear answer.
5 Answers
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Determine if Android app is being used for the first time
I am currently developing an android app. I need to do something when the app is launched for the first time, i.e. the code only runs on the first time the program is launched.
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When to use RSpec let()?
...blocks to set instance variables. I then use those variables across my examples. I recently came upon let() . According to RSpec docs, it is used to
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OpenShift rhc setup using multiple accounts
I have two accounts on Openshift platform. How can I setup my computer so that I can manage both of them with rhc ? I cannot find any relevant option in the command line arguments.
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Position Absolute + Scrolling
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You need to wrap the text in a div element and include the absolutely positioned element inside of it.
<div class="container">
<div class="inner">
<div class="full-height"></div>
[Your text here]...