glesica

convolution <- function(A, B) {
  # Computes the convolution of two vectors.
  #
  # Args:
  #   A, B: column vectors representing polynomial coefficients.
  #
  # Returns:
  #   The coefficient vector resulting from multiplying the polynomial 
  #   represented by A by the polynomial represented by B.
  Ap <- c(A, B*0)

glesica

#!/usr/bin/env sh

# Filename: update-hosts.sh
# Author: George Lesica <george@lesica.com>
# Description: Replaces the HOSTS file with a customized version that blocks
# domains that serve ads and malicious software, creating a backup of the old
# file.

HOSTS_URL="http://someonewhocares.org/hosts/zero/hosts"
NEW_HOSTS="hosts"

glesica

from math import pi
from cairo import SVGSurface, Context, Matrix

WIDTH = 6 * 72
HEIGHT = 4 * 72

s = SVGSurface('example1.svg', WIDTH, HEIGHT)
c = Context(s)

# Transform to normal cartesian coordinate system

glesica

import sys
import time

from cmsketch import CMSketch

RECEIVED = 1000000
EVENTS = 1000

if len(sys.argv) != 3:
    print("usage: benchmark.py <error> <prob>")

glesica

# Switch Go (swgo)
# A very simple and intensely opinionated Go version manager.
#
# Author: George Lesica <george@lesica.com>
#
# To use, create a file called ".swgo" in any project directory.
# Inside of this file, set two variables: GOROOT_ and GOPATH_
# to the values you want assigned to GOROOT and GOPATH,
# respectively. Then, while in that directory, just run "swgo"
# and your GOROOT, GOPATH, and PATH will be updated accordingly.

glesica

#!/bin/sh

sudo apt-get install libharfbuzz-dev libfreetype6-dev libfontconfig-dev lua5.1 lua-lpeg-dev lua-expat-dev lua-zlib-dev lua-filesystem-dev liblua5.1-0-dev

glesica

Keybase proof

I hereby claim:

• I am glesica on github.
• I am glesica (https://keybase.io/glesica) on keybase.
• I have a public key whose fingerprint is 4378 8FCD 8E05 A920 2EA7 71DE E23B F398 FEBF A545

To claim this, I am signing this object:

glesica

"""
Contouring using the Marching Squares algorithm.
George Lesica
"""

from cairo import SVGSurface, Context
 
WIDTH = 8 * 72.0
HEIGHT = 8 * 72.0

glesica

# contour(A, v)
# Implements the Marching Squares contouring algorithm (see:
# https://en.wikipedia.org/wiki/Marching_squares for details). The
# matrix `A` is an m x n scalar field and the scalar `v` is the
# value to be contoured. The return value is an (m-1) x (n-1) matrix
# of contour line type indices (see the Wikipedia article).
# TODO: Implement in parallel
function contour(A, v)
    rows, cols = size(A)

glesica

sentiment <- function(str, words, weights=NULL) {
  if (is.null(weights)) {
    weights <- rep(1, length(words))
  }
  
  if (length(words) != length(weights)) {
    stop('Length of words and weights not equal')
  }
  
  str.wts <- rep(0, length(str))