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Luka Klacar lklacar

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@lklacar
lklacar / MagicSquares.java
Created July 9, 2025 11:59
import java.io.*;
import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;
import java.util.stream.IntStream;
import java.util.stream.Stream;
import static java.util.stream.Collectors.toList;
@lklacar
lklacar / genlist2.h
Created April 2, 2019 14:13
//
// Created by luka on 2.4.19..
//
#ifndef GENERIC_C_GENLIST2_H
#define GENERIC_C_GENLIST2_H
typedef struct node {
int value;
struct node *next;
@lklacar
lklacar / diamond.py
Created March 27, 2019 15:56
print("\n".join(["".join(["X" if abs(20 - x) + abs(20 - y) < 20 else "." for x in range(40)]) for y in range(40)]))
@lklacar
lklacar / Diamond.kt
Created March 27, 2019 15:39
package diamond
class Diamond(
private val boardSize: Int,
private val radius: Int,
private val taken: String = "X",
private val empty: String = " ",
private val cellJoin: String = "",
private val rowJoin: String = "\n"
) {
@lklacar
lklacar / UserService.java
Created October 27, 2017 12:07
/**
* Not activated users should be automatically deleted after 3 days.
* <p>
* This is scheduled to get fired everyday, at 01:00 (am).
*/
@Scheduled(cron = "0 0 1 * * ?")
public void removeNotActivatedUsers() {
List<User> users = userRepository.findAllByActivatedIsFalseAndCreatedDateBefore(Instant.now().minus(3, ChronoUnit.DAYS));
users.forEach(user -> {
@lklacar
lklacar / index.md
Created February 22, 2017 12:48 — forked from rstacruz/index.md
Rails models cheatsheet

Rails Models

Generating models

$ rails g model User

Associations

belongs_to

has_one

@lklacar
lklacar / JavaIsWeird.java
Created November 29, 2016 17:59
package com.lukaklacar;
import java.util.List;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;
import java.util.stream.Collectors;
import java.util.stream.IntStream;
@lklacar
lklacar / Main.java
Created November 14, 2016 21:05
package com.lukaklacar;
class Creator {
<T> T createInstance(Class<T> classType) throws IllegalAccessException, InstantiationException {
return classType.newInstance();
}
}
public class Main {
@lklacar
lklacar / Python regex tokenizer
Created October 25, 2016 14:33 — forked from bradbeattie/Python regex tokenizer
import re
# Supported tokens and their operations
ORDER_OF_OPERATIONS = ["MULTIPLY", "DIVIDE", "ADD", "SUBTRACT"]
scanner = re.Scanner([
(r"([0-9]+)", lambda x, y: int(y)),
(r"\+", lambda x, y: "ADD"),
(r"-", lambda x, y: "SUBTRACT"),
(r"\*", lambda x, y: "MULTIPLY"),
(r"/", lambda x, y: "DIVIDE"),
@lklacar
lklacar / object-watch.js
Created April 7, 2016 14:57 — forked from eligrey/object-watch.js
object.watch polyfill in ES5
/*
* object.watch polyfill
*
* 2012-04-03
*
* By Eli Grey, http://eligrey.com
* Public Domain.
* NO WARRANTY EXPRESSED OR IMPLIED. USE AT YOUR OWN RISK.
*/