These are the Kickstarter Engineering and Data role definitions for both teams.
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| import cv2 | |
| import numpy as np | |
| # Example: Get Euler angles from a rotation matrix | |
| rot_vec = np.array([0.1, 0.2, 0.3]) # Example rotation vector | |
| rmat, _ = cv2.Rodrigues(rot_vec) | |
| # Decompose the rotation matrix into Euler angles | |
| angles, mtxR, mtxQ, Qx, Qy, Qz = cv2.RQDecomp3x3(rmat) |
Horace89
/ stegano_lsb_decode.py
Created
July 2, 2025 09:22
— forked from stephanie-w/stegano_lsb_decode.py
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| from PIL import Image | |
| import numpy as np | |
| with Image.open("cover-secret.png") as img: | |
| width, height = img.size | |
| data = np.array(img) | |
| data = np.reshape(data, width*height*3) | |
| # extract lsb | |
| data = data & 1 |
Horace89
/ stegano_lsb_encode.py
Created
July 2, 2025 09:21
— forked from stephanie-w/stegano_lsb_encode.py
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| import numpy as np | |
| from PIL import Image | |
| message = "Hello World!" | |
| # Encode the message in a serie of 8-bit values | |
| b_message = ''.join(["{:08b}".format(ord(x)) for x in message ]) | |
| b_message = [int(x) for x in b_message] | |
| b_message_lenght = len(b_message) |
Horace89
/ pandas_image.ipynb
Created
June 12, 2024 07:55
— forked from stas-sl/pandas_image.ipynb
Displaying inline images in pandas DataFrame
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Horace89
/ ladder.md
Created
January 17, 2024 14:40
— forked from jamtur01/ladder.md
Kickstarter Engineering Ladder
Horace89
/ Pipfile
Created
January 11, 2024 16:22
— forked from tribals/Pipfile
Understanding SQL row locking - `SELECT FOR UPDATE`
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| [[source]] | |
| url = "https://pypi.python.org/simple" | |
| verify_ssl = true | |
| name = "pypi" | |
| [packages] | |
| SQLAlchemy = "*" | |
| "psycopg2-binary" = "*" | |
| [dev-packages] |
Horace89
/ bloomfilter.py
Created
September 20, 2021 09:12
— forked from mburst/bloomfilter.py
Code for creating and testing a simple bloom filter - http://maxburstein.com/blog/creating-a-simple-bloom-filter/
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| from bitarray import bitarray | |
| import mmh3 | |
| class BloomFilter: | |
| def __init__(self, size, hash_count): | |
| self.size = size | |
| self.hash_count = hash_count | |
| self.bit_array = bitarray(size) | |
| self.bit_array.setall(0) |
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| #https://stackoverflow.com/questions/51412182/iteratively-generating-a-permutation-of-natural-numbers/51429458#51429458 | |
| ''' Format preserving encryption using a Feistel network | |
| This code is *not* suitable for cryptographic use. | |
| See https://en.wikipedia.org/wiki/Format-preserving_encryption | |
| https://en.wikipedia.org/wiki/Feistel_cipher | |
| http://security.stackexchange.com/questions/211/how-to-securely-hash-passwords |
Horace89
/ raspi-setup-gitea.md
Created
March 7, 2018 09:36
— forked from mirhec/raspi-setup-gitea.md
Installing Gitea on Raspberry Pi with nginx, SSL and automatic backups
These instructions are based on this article: https://www.alexruf.net/2016/05/23/setup-gogs-git-service.html.
Setup Raspberry Pi with minimal Raspbian image. You need to connect to the HDMI port and set the following:
sudo raspi-configThere you need to enable the SSH server and you should change the hostname.
Horace89
/ image-downloader2.py
Created
February 5, 2018 07:55
— forked from davesnowdon/image-downloader2.py
Rewrite of the python image downloading code from https://www.pyimagesearch.com/2017/12/04/how-to-create-a-deep-learning-dataset-using-google-images/ which does not leave gaps in the numbering, allows arbitrary starting numbers and uses generators to make the code a bit more readable
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| from imutils import paths | |
| import argparse | |
| import requests | |
| import cv2 | |
| import os | |
| import numpy as np | |
| # Adapted from https://www.pyimagesearch.com/2017/12/04/how-to-create-a-deep-learning-dataset-using-google-images/ | |
| # fixes the following issues with the original: | |
| # 1 - files are always saved as .jpg even if they are not in JPEG format |
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