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Alexander abonec

  • Russian, Moscow
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#!/usr/bin/env ruby
require "openssl"
class BF < Struct.new(:key, :pad_with_spaces)
def encrypt(str)
cipher = OpenSSL::Cipher.new('bf-ecb').encrypt
if pad_with_spaces
str += " " until str.bytesize % 8 == 0
cipher.padding = 0
@abonec
abonec / awk-example.sh
Created July 12, 2016 08:22 — forked from raecoo/awk-example.sh
awk/grep commands for Rails log analysis
# Access number
cat production.log | grep "^Processing" | wc | awk '{print $1}'
# Each IP access number
cat production.log | grep “^Processing” | awk ‘{print $4}’ | uniq -c
# Independent IP number
cat production.log | grep "^Processing" | awk '{print $4}' | uniq | wc | awk '{print $1}'
cat production.log | grep “^Processing” | awk ‘{print $4}’ | uniq | wc -l
@abonec
abonec / 0_reuse_code.js
Created January 11, 2017 14:29
Here are some things you can do with Gists in GistBox.
// Use Gists to store code you would like to remember later on
console.log(window); // log the "window" object to the console
@abonec
abonec / plot_decision_boundary.py
Created August 15, 2017 19:42 — forked from dennybritz/plot_decision_boundary.py
plot_decision_boundary.py
# Helper function to plot a decision boundary.
# If you don't fully understand this function don't worry, it just generates the contour plot below.
def plot_decision_boundary(pred_func):
# Set min and max values and give it some padding
x_min, x_max = X[:, 0].min() - .5, X[:, 0].max() + .5
y_min, y_max = X[:, 1].min() - .5, X[:, 1].max() + .5
h = 0.01
# Generate a grid of points with distance h between them
xx, yy = np.meshgrid(np.arange(x_min, x_max, h), np.arange(y_min, y_max, h))
# Predict the function value for the whole gid