jasondevj

#!/usr/bin/env python3
"""
PostgreSQL Database Transfer Tool

This script transfers data from a source PostgreSQL database to a destination database
with support for upsert operations (insert or update) and table selection.
"""

import argparse
import json

jasondevj

apt-get update && apt-get upgrade -y && apt-get install -y curl && apt-get clean

# Create aliases in here that you may want to use in the devcontainer
echo alias ll=\'ls -l\' >> ~/.bashrc

jasondevj

public class LuckyNumber {
    static int luckyNumber = 21;
    public static LuckyNumber getInstance() {
        return null;
    }
    public static void main(String[] args) {
        System.out.println(LuckyNumber.getInstance().luckyNumber);      
        System.out.println(LuckyNumber.getInstance().getInstance());
    }
}

jasondevj

    public static long parallelArraySynchronised() {
        final long[] sum = {0};
        CountDownLatch countDownLatch = new CountDownLatch(NUMBER_OF_PROCESSORS);
        long totalPerThread = LIMIT / NUMBER_OF_PROCESSORS;
        for (int i = 0; i < NUMBER_OF_PROCESSORS; i++) {
            final int finalI = i;
            executors.execute(() -> {
                for (int j = (int) (totalPerThread * finalI); j < (totalPerThread * (finalI + 1)); j++) {
                    synchronized (Java8PerfTest.class) {
                        sum[0] += j;