Shawyeok

# java -jar summary-benchmarks.jar -t 24
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by org.openjdk.jmh.util.Utils (file:/root/summary-benchmarks-2.jar) to method java.io.Console.encoding()
WARNING: Please consider reporting this to the maintainers of org.openjdk.jmh.util.Utils
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
# JMH version: 1.37
# VM version: JDK 11.0.25, OpenJDK 64-Bit Server VM, 11.0.25+9-LTS
# VM invoker: /usr/lib/jvm/java-11-openjdk-11.0.25.0.9-3.el9.x86_64/bin/java
# VM options: <none>

Shawyeok

addEventListener('fetch', event => {
  event.respondWith(handleRequest(event.request))
})

async function handleRequest(request) {
  const url = new URL(request.url)
  url.hostname = 'api.openai.com'
  const modifiedRequest = new Request(url.toString(), {
    headers: request.headers,
    method: request.method,

Shawyeok

import com.fasterxml.jackson.annotation.*;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.databind.*;
import com.fasterxml.jackson.databind.jsontype.TypeResolverBuilder;
import io.lettuce.core.codec.RedisCodec;
import io.lettuce.core.codec.Utf8StringCodec;

import javax.xml.datatype.XMLGregorianCalendar;
import java.io.IOException;
import java.nio.ByteBuffer;

Shawyeok

#
# A fatal error has been detected by the Java Runtime Environment:
#
#  SIGSEGV (0xb) at pc=0x00007f5665fef9be, pid=7, tid=0x00007f56574c3700
#
# JRE version: Java(TM) SE Runtime Environment (8.0_191-b12) (build 1.8.0_191-b12)
# Java VM: Java HotSpot(TM) 64-Bit Server VM (25.191-b12 mixed mode linux-amd64 compressed oops)
# Problematic frame:
# J 6022 C2 java.lang.StringBuilder.append(Ljava/lang/String;)Ljava/lang/StringBuilder; (8 bytes) @ 0x00007f5665fef9be [0x00007f5665fef980+0x3e]
#

Shawyeok

{}

Shawyeok

version: '2.0'
services:
  client:
    image: busybox
    command: [sh, -c, 'echo ping | nc server 1234']
    links:
     - server
  server:
    image: busybox
    command: [nc, -l, -p, '1234']

Shawyeok

# For example, I have a redis container, I want it only serve for specific IP addresses: 172.31.101.37, 172.31.101.38
$ docker run -d -p 6379:6379 redis:2.8

# After start redis container, the iptables looks like this:
$ iptables -t filter -nL
Chain DOCKER (1 references)
target     prot opt source               destination
ACCEPT  tcp  --  0.0.0.0/0            172.17.0.2           tcp dpt:6379

# Get the IP address of redis container