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@terrancesnyder
terrancesnyder / setenv.sh
Created May 23, 2011 00:07
./setenv.sh - example setenv.sh with defaults set for minimal time spent in garbage collection
#! /bin/sh
# ==================================================================
# ______ __ _____
# /_ __/___ ____ ___ _________ _/ /_ /__ /
# / / / __ \/ __ `__ \/ ___/ __ `/ __/ / /
# / / / /_/ / / / / / / /__/ /_/ / /_ / /
#/_/ \____/_/ /_/ /_/\___/\__,_/\__/ /_/
# Multi-instance Apache Tomcat installation with a focus
# on best-practices as defined by Apache, SpringSource, and MuleSoft
@thearn
thearn / svd_approximate.py
Last active January 8, 2024 20:25
Function to generate an SVD low-rank approximation of a matrix, using numpy.linalg.svd. Can be used as a form of compression, or to reduce the condition number of a matrix.
import numpy as np
def low_rank_approx(SVD=None, A=None, r=1):
"""
Computes an r-rank approximation of a matrix
given the component u, s, and v of it's SVD
Requires: numpy
"""
@mattiaslundberg
mattiaslundberg / arch-linux-install
Last active February 10, 2025 13:16
Minimal instructions for installing arch linux on an UEFI system with full system encryption using dm-crypt and luks
# Install ARCH Linux with encrypted file-system and UEFI
# The official installation guide (https://wiki.archlinux.org/index.php/Installation_Guide) contains a more verbose description.
# Download the archiso image from https://www.archlinux.org/
# Copy to a usb-drive
dd if=archlinux.img of=/dev/sdX bs=16M && sync # on linux
# Boot from the usb. If the usb fails to boot, make sure that secure boot is disabled in the BIOS configuration.
# Set swedish keymap
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@addyosmani
addyosmani / workbox.md
Last active January 20, 2024 16:14
Workbox recipes

Workbox runtime caching recipes

Your Service Worker script will need to import in Workbox and initialize it before calling any of the routes documented in this write-up, similar to the below:

importScripts('workbox-sw.prod.v1.3.0.js');
const workbox = new WorkboxSW();

// Placeholder array populated automatically by workboxBuild.injectManifest()
{
"environment": "staging"
}
@Explosion-Scratch
Explosion-Scratch / Compress string.js
Created November 1, 2021 18:51
Compress string using gzip and native browser APIs
function compress(string, encoding) {
const byteArray = new TextEncoder().encode(string);
const cs = new CompressionStream(encoding);
const writer = cs.writable.getWriter();
writer.write(byteArray);
writer.close();
return new Response(cs.readable).arrayBuffer();
}
function decompress(byteArray, encoding) {