graemerocher

///usr/bin/env jbang "$0" "$@" ; exit $?
//DEPS io.micronaut:micronaut-bom:2.5.4@pom
//DEPS io.micronaut:micronaut-http-server-netty
//DEPS io.micronaut:micronaut-inject-java
//DEPS org.slf4j:slf4j-simple

package app;

import io.micronaut.http.annotation.*;
import io.micronaut.runtime.Micronaut;

tivrfoa

/**
 * Description: Kotlin tips for dummies
 * Source:
 * https://codeforces.com/blog/entry/71089
 * Kotlin Reference
 * https://kotlinlang.org/docs/tutorials/competitive-programming.html
 */

/// episode 1: https://codeforces.com/contest/1170
/// episode 2: https://codeforces.com/contest/1211

gunnarmorling

/*
 * Copyright Gunnar Morling.
 *
 * Licensed under the Apache Software License version 2.0, available at http://www.apache.org/licenses/LICENSE-2.0
 */
package dev.morling;

import java.util.List;
import java.util.Random;
import java.util.concurrent.ThreadLocalRandom;

tivrfoa

# as -o jmp.o jmp.S && ld -s -o jmp jmp.o && ./jmp
#

.text                           # section declaration

			                          # we must export the entry point to the ELF linker or
    .global _start              # loader. They conventionally recognize _start as their
			                          # entry point. Use ld -e foo to override the default.

petrbouda

Memory LIMIT and REQUEST in Containers and JVM

• Do you run a JVM inside a container on Kubernetes (or maybe OpenShift)?
• Do you struggle with REQUEST and LIMIT parameters?
• Do you know the impact of those parameters on your JVM?
• Have you met OOM Killer?

Hope you will find answers to these questions in this example-based article.

How to set up JVM Heap size in a Container

maxandersen

///usr/bin/env jbang "$0" "$@" ; exit $?
//DEPS io.quarkus:quarkus-picocli:1.8.1.Final
//Q:CONFIG quarkus.banner.enabled=false
//Q:CONFIG quarkus.log.level=WARN
//DEPS org.twitter4j:twitter4j-core:4.0.7
//JAVA 11+

import picocli.CommandLine;

import javax.enterprise.context.Dependent;

tivrfoa

import java.util.*;
import java.io.*;

/*
http://codeforces.com/contest/852/submission/30029310
*/
public class F {
	
	int mod;

tivrfoa

~/dev/git/jbang (master)
$ git fetch origin pull/527/head:fixjfxname
From https://github.com/jbangdev/jbang
 * [new ref]         refs/pull/527/head -> fixjfxname

~/dev/git/jbang (master)
$ git status
On branch master
Your branch is up to date with 'origin/master'.

tivrfoa

git --git-dir=path/to/repo/.git diff

RaasAhsan

import java.util.concurrent.atomic.*;
import java.util.concurrent.*;

public class Main {
    private static ExecutorService executor = Executors.newFixedThreadPool(2);
    private static int iterations = 10000000;
  
    public static class Runner {
        // writes to canceled happen before a CAS on suspended
        // reads on canceled happen after a CAS on suspended