kristofer / Is Pythonic?
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some examples of good and bad pythonic snippets
Pythonic" code refers to code that is written in a way that is idiomatic to Python, taking advantage of its features and conventions to produce clear, concise, and readable code. Here are some examples showcasing Pythonic principles:
1. List Comprehensions
Not Pythonic:
squares = [] kristofer / dict-count.py
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a sample of frequency counting words from a list, in good and bad styles
| 1 | # You need to write a loop that counts the occurrences of each word in a list. |
| 2 | # |
| 3 | # Consider, if you had a big str that was a text, like say: https://zcw.guru/kristofer/hamlet |
| 4 | # |
| 5 | # strive to be "pythonic" in your code expressions, okay? |
| 6 | |
| 7 | colors = ["red", "green", "blue", "green", "red", "green"] |
| 8 | |
| 9 | # Not Pythonic Code |
| 10 | d = {} |
kristofer / Hamlet by Shake-speare
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| 1 | THE TRAGEDY OF HAMLET, PRINCE OF DENMARK |
| 2 | |
| 3 | |
| 4 | by William Shakespeare |
| 5 | |
| 6 | |
| 7 | |
| 8 | Dramatis Personae |
| 9 | |
| 10 | Claudius, King of Denmark. |
kristofer / Details Matter
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a small difference makes results wildly different
| 1 | |
| 2 | public class WhoaWhat { |
| 3 | public static void main(String[] args) { |
| 4 | System.out.println(doOne() + " " + doTwo()); |
| 5 | // will print 2048 4 - but why? |
| 6 | } |
| 7 | private static int doOne() { |
| 8 | int result = 2; |
| 9 | for(int i = 0; i < 10; i++) |
| 10 | { |
kristofer / BugReporter (java)
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cool class from https://github.com/RohitAwate/Everest/blob/master/BugReporter/src/BugReporter.java
| 1 | /* |
| 2 | * Copyright 2018 Rohit Awate. |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
kristofer / Memoization: Let’s Be Efficient, Shall We?
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Ever ask the same question over and over? Annoying, right? That’s what your computer thinks too.
| 1 | # example of memoization in python for fibonacci |
| 2 | |
| 3 | # Memoization: Let’s Be Efficient, Shall We? |
| 4 | # Ever worry about recursion and the stack and so on... |
| 5 | # Ever ask the same question over and over? |
| 6 | # Annoying, right? That’s what your computer thinks too. |
| 7 | # Memoization fixes this by storing results so you don’t have to repeat expensive calculations. |
| 8 | def fib(n, memo={}): |
| 9 | if n in memo: |
| 10 | return memo[n] |
kristofer / Ten VMs in Java
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Ten Simple Virtual machines, in Java, gen's by ChatGPT-4o
This was the prompt of these 10 Java virtual machines all created by ChatGPT-4o.
[
{'role': 'system', 'content': 'you are an experienced Java programming language developer.'},
{'role': 'user',
'content': 'generate a virtual machine runtime which has an operand stack and a context stack for frames.'}
]