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@owainlewis
owainlewis / Gzip.scala
Last active June 21, 2023 05:30
Gzip Scala
import java.io.{ByteArrayOutputStream, ByteArrayInputStream}
import java.util.zip.{GZIPOutputStream, GZIPInputStream}
import scala.util.Try
object Gzip {
def compress(input: Array[Byte]): Array[Byte] = {
val bos = new ByteArrayOutputStream(input.length)
val gzip = new GZIPOutputStream(bos)
@andreiz
andreiz / classifier.php
Last active August 27, 2024 09:42
A simple example of logistic regression via gradient descent in PHP.
<?php
error_reporting(E_ALL);
define('NUM_FEATURES', 3);
// My dataset describes cities around the world where I might consider living.
// Each sample (city) consists of 3 features:
// * Feature 1: average low winter temperature in the city
// * Feature 2: city population, in millions