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umaar / scale.js
Created March 31, 2021 23:11 — forked from fpillet/scale.js
Javascript value scaling between two ranges
/* Scale a value from one range to another
* Example of use:
*
* // Convert 33 from a 0-100 range to a 0-65535 range
* var n = scaleValue(33, [0,100], [0,65535]);
*
* // Ranges don't have to be positive
* var n = scaleValue(0, [-50,+50], [0,65535]);
*
* Ranges are defined as arrays of two values, inclusive
@umaar
umaar / html-shell.html
Created November 5, 2012 10:31
HTML Shell
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>title</title>
<script type="text/javascript">
var _gaq = _gaq || [];
_gaq.push(['_setAccount', 'UA-XXXXXXXX-Y']);
_gaq.push(['_trackPageview']);
(function()
@umaar
umaar / websites-using-responsive-images.md
Created June 2, 2020 19:50
@umaar
umaar / pygmentize_code.sh
Created February 5, 2023 00:54 — forked from skmetz/pygmentize_code.sh
Script to create syntax highlighted RTF files
#!/bin/bash
# I edited the ruby lexer (line 637 in the following file...
# [skm@skmair2:/Library/Python/2.7/site-packages/pygments/lexers/agile.py
# to remove spacial handling of the word 'name'
# so I could use it as a variable/method name.
# This script come from Katrina, with these instructions:
# I've also attached the presentation.py file which is where the style
# is defined. The colors are normal hex values, so if you know how you
@umaar
umaar / webdriver-hover.js
Created February 17, 2014 14:05
Hover over an element in WebDriverJS
/*
* Hover over an element on the page
*/
(function() {
"use strict";
var webdriver = require('selenium-webdriver');
var driver = new webdriver.Builder().usingServer().withCapabilities({'browserName': 'chrome' }).build();
@umaar
umaar / 1-CalendarItem.js
Created August 4, 2022 00:08 — forked from getify/1-CalendarItem.js
an illustration (non-trivial example) of many newer JS class features
// abstract class, not intended to be instantiated directly
class CalendarItem {
static #UNSET = Symbol("unset")
static #isUnset(v) {
return v === this.#UNSET;
}
static {
for (let [idx,msg] of [
"ID is already set.",
"ID is unset.",
@umaar
umaar / google-location-history-to-gpx.md
Created August 27, 2018 09:52 — forked from juliushaertl/google-location-history-to-gpx.md
google-location-history-to-gpx

convert google takeout archive for location history from kml to gpx and split file into one per day

gpsbabel -i kml -f Location\ History.kml -o gpx -F out.gpx
gpsbabel -t -i gpx -f out.gpx -x track,merge,pack,split,title="ACTIVE LOG # %Y%m%d" -o gpx -F split.gpx
python2 gpxsplitter.py split.gpx
@umaar
umaar / example-of-unused-js-code.js
Last active November 20, 2020 15:52
// main.js
import {cat} from './animals.js'
cat();
// animals.js
function cat() {
console.log('meow');
}
@umaar
umaar / websites-using-responsive-images-potentially-incorrectly.md
Last active June 2, 2020 22:00
@umaar
umaar / anchor-href-lighthouse-audit-draft-explanation.md
Created April 29, 2020 17:14

A crawler is a search engine tool which finds webpages to navigate through. Search engines can discover pages more easily when the href attribute of an anchor element is present, and contains a crawlable hyperlink.

How the Lighthouse link text audit fails

Lighthouse flags anchor elements with uncrawlable hyperlinks:

<insert screenshot here>

Lighthouse flags the following anchor elements as being uncrawlable: