Grégoire Piffault gpiffault
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| function Piecewise(xs, ys) { | |
| return function(x) { | |
| //bisect | |
| var lo = 0, hi = xs.length - 1; | |
| while (hi - lo > 1) { | |
| var mid = (lo + hi) >> 1; | |
| if (x < xs[mid]) hi = mid; | |
| else lo = mid; | |
| } | |
| //project |
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| class GTFSFile(object): | |
| def __init__(self, file_path): | |
| self.archive = zipfile.ZipFile(file_path) | |
| def get_table(self, table_name): | |
| return csv.DictReader(io.TextIOWrapper(self.archive.open(table_name), "utf-8")) |
gpiffault
/ ts_to_datetime.py
Created
May 23, 2014 09:25
pytz: conversion of POSIX timestamp to python timezone-aware datetime
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| import pytz | |
| def ts_to_datetime(ts, tz="UTC"): | |
| utc_dt = datetime.datetime.utcfromtimestamp(ts).replace(tzinfo=pytz.utc) | |
| tz = pytz.timezone(tz) | |
| dt = tz.normalize(utc_dt.astimezone(tz)) | |
| return dt | |
| # Reverse function is dt.timestamp() |
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <link rel="stylesheet" href="http://cdn.leafletjs.com/leaflet-0.7.3/leaflet.css" /> | |
| <script src="http://cdn.leafletjs.com/leaflet-0.7.3/leaflet.js"></script> | |
| <style type="text/css"> | |
| html, body, #map { | |
| margin: 0; | |
| height: 100%; | |
| } |
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>Canvas</title> | |
| </head> | |
| <body> | |
| <canvas id="canvas"></canvas> | |
| </body> | |
| <script type="text/javascript"> |
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <style type="text/css"> | |
| html, body, #map-canvas { height: 100%; margin: 0; padding: 0;} | |
| </style> | |
| <script type="text/javascript" | |
| src="https://maps.googleapis.com/maps/api/js"> | |
| </script> | |
| <script type="text/javascript"> |
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| // Color interpolation | |
| // Usage: | |
| // var myGradient = Gradient([ | |
| // [50, "#9999ff"], | |
| // [100, "#99ff99"], | |
| // [150, "#ff9999"] | |
| // ]); | |
| // myGradient(75); // returns "#99cccc" | |
| define([], function () { |
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| function xhr(options, success) { | |
| var r = new XMLHttpRequest(); | |
| r.open(options.method || "GET", options.url, true); | |
| r.onreadystatechange = function () { | |
| if (r.readyState != 4 || r.status != 200) return; | |
| success(r.responseText, r); | |
| }; | |
| r.send(options.data || null); | |
| } |
gpiffault
/ strftime.js
Last active
July 30, 2018 11:29
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| // ex: strftime("%Y-%m-%d %H:%M:%S") | |
| function strftime(format, d) { | |
| d = d || new Date() | |
| function pad (v) { return ("0" + v).substr(-2, 2) } | |
| var r = format.replace(/%Y/g, d.getFullYear()) | |
| r = r.replace(/%m/g, pad(d.getMonth() + 1)) | |
| r = r.replace(/%d/g, pad(d.getDate())) | |
| r = r.replace(/%H/g, pad(d.getHours())) | |
| r = r.replace(/%M/g, pad(d.getMinutes())) | |
| r = r.replace(/%S/g, pad(d.getSeconds())) |
gpiffault
/ timezones.js
Created
April 15, 2019 09:13
JS array of canonical timezone names (from https://en.wikipedia.org/wiki/List_of_tz_database_time_zones)
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| /* eslint-disable-next-line */ | |
| export default ['Africa/Abidjan','Africa/Accra','Africa/Algiers','Africa/Bissau','Africa/Cairo','Africa/Casablanca','Africa/Ceuta','Africa/El_Aaiun','Africa/Johannesburg','Africa/Juba','Africa/Khartoum','Africa/Lagos','Africa/Maputo','Africa/Monrovia','Africa/Nairobi','Africa/Ndjamena','Africa/Tripoli','Africa/Tunis','Africa/Windhoek','America/Adak','America/Anchorage','America/Araguaina','America/Argentina/Buenos_Aires','America/Argentina/Catamarca','America/Argentina/Cordoba','America/Argentina/Jujuy','America/Argentina/La_Rioja','America/Argentina/Mendoza','America/Argentina/Rio_Gallegos','America/Argentina/Salta','America/Argentina/San_Juan','America/Argentina/San_Luis','America/Argentina/Tucuman','America/Argentina/Ushuaia','America/Asuncion','America/Atikokan','America/Bahia','America/Bahia_Banderas','America/Barbados','America/Belem','America/Belize','America/Blanc-Sablon','America/Boa_Vista','America/Bogota','America/Boise','America/Cambridge_Bay','America/Campo_Grande', |
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