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Dejan Josifović 28

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Дејан Јосифовић

28 / pretty-spit.clj

Last active June 29, 2022 21:09

A simple way to pretty print Clojure data/code to a file.

28 / partition.js

Created February 19, 2019 14:26

Multiple implementations of partition function in JavaScript.

	function partition(array, partitionSize) {
	if (partitionSize >= array.length)
	return array;
	var result = [];
	var partition = [];
	for (var i = 0; i < array.length; i++) {
	if (partition.length < partitionSize) {
	partition.push(array[i]);
	console.log(partition);
	}

28 / clojure_maze.clj

Created January 21, 2019 23:05

28 / change_mac_address.sh

Created January 9, 2019 21:32

Change your MAC address to a random value

	#!/usr/bin/env bash

	a=$(ifconfig en0 \| grep ether \| sed -e 's/^[[:space:]]*ether//')
	echo "Current MAC address:$a"
	r=$(openssl rand -hex 6 \| sed 's/$..$/\1:/g; s/.$//')
	echo "New MAC address: $r"
	echo $r \| xargs sudo ifconfig en0 ether

28 / neural.py

Created October 5, 2018 12:43

	import numpy as np

	class NeuralNetwork:
	def __init__(self, x, y):
	self.input = x
	self.weights1 = np.random.rand(self.input.shape[1],4)
	self.weights2 = np.random.rand(4,1)
	self.y = y
	self.output = np.zeros(self.y.shape)

28 / ConditionalComposedProducer.java

Last active October 8, 2019 16:13

A construct that replaces multiple if x ==/!= null statements in a row when trying to produce a value of the same type in different ways.

	import java.util.function.Predicate;
	import java.util.function.Supplier;
	import java.util.stream.Stream;

	public class ConditionalComposedProducer {

	/**
	* Takes a variable number of {@code {@link Supplier}}s that supply the same
	* nullable type {@code T} and a {@code {@link Predicate}}.
	* Iterate through all {@code {@link Supplier}}s and applies the predicate

28 / prime_numbers_fun.clj

Last active November 8, 2016 10:03

A collection of all things for prime numbers that are fun...

	(def is-prime?
	(memoize
	(fn [^Number num]
	^Boolean
	(cond
	(<= num 1) false
	(<= num 3) true
	(or (zero? (mod num 2)) (zero? (mod num 3))) false
	:else (reduce #(if (<= (* %2 %2) num)
	(reduced true)

28 / write-stream-to-file.clj

Last active October 20, 2016 10:27

A code snippet for reading stream and writting to file.

	(defn write-to-file
	[stream file-name]
	(let [buff (byte-array 1024)]
	(with-open [os (java.io.FileOutputStream. (java.io.File. file-name))]
	(loop []
	(let [size (.read stream buff)]
	(when (> size 0)
	(.write os buff 0 size)
	(recur)))))))