Skip to content

Instantly share code, notes, and snippets.

@xmeng1
xmeng1 / wsl2-network.ps1
Created Jul 14, 2019
WSL2 Port forwarding port to linux
View wsl2-network.ps1
$remoteport = bash.exe -c "ifconfig eth0 | grep 'inet '"
$found = $remoteport -match '\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}';
if( $found ){
$remoteport = $matches[0];
} else{
echo "The Script Exited, the ip address of WSL 2 cannot be found";
exit;
}
@xmeng1
xmeng1 / increment-pom-versions.sh
Created Nov 21, 2017 — forked from pdunnavant/increment-pom-versions.sh
Script that uses the versions-maven-plugin to automatically increment the build number in the version of a project. This is intended to be used in a continuous delivery environment.
View increment-pom-versions.sh
#!/bin/bash
#################################################################################
# WARNING: DO NOT JUST RUN THIS SCRIPT BLINDLY. MAKE SURE YOU UNDERSTAND WHAT IT
# IS DOING. IT *WILL* TRY TO COMMIT CHANGES. IT WILL ALSO TRY TO EAT YOUR
# CHILDREN. IT MAY CAUSE THE SUN TO GO SUPERNOVA. I CLAIM NO RESPONSIBILITY FOR
# WHATEVER HAPPENS AFTER YOU RUN THIS. NOW, CARRY ON. :-)
#
# This script, run from the root of a Maven single or multi-module project, will
# update the pom files to increment the build number on the version.
@xmeng1
xmeng1 / docker-clear.bat
Created Jun 3, 2018 — forked from daredude/docker-clear.bat
delete all docker container and images on windows
View docker-clear.bat
@echo off
FOR /f "tokens=*" %%i IN ('docker ps -aq') DO docker rm %%i
FOR /f "tokens=*" %%i IN ('docker images --format "{{.ID}}"') DO docker rmi %%i
View parser.py
from __future__ import print_function
import argparse
parser = argparse.ArgumentParser()
parser.add_argument('--color', help='The name of the color')
parser.add_argument('--verbose', help='Print more data',
action='store_true')
parser.add_argument('--cuda', '-c', default=True, action='store_false')
@xmeng1
xmeng1 / multiple_ssh_setting.md
Created Sep 16, 2019 — forked from jexchan/multiple_ssh_setting.md
Multiple SSH keys for different github accounts
View multiple_ssh_setting.md

Multiple SSH Keys settings for different github account

create different public key

create different ssh key according the article Mac Set-Up Git

$ ssh-keygen -t rsa -C "your_email@youremail.com"
@xmeng1
xmeng1 / workers.sql
Created Aug 14, 2019 — forked from kenjipm/workers.sql
The following data definition defines an organization's employee hierarchy. An employee is a manager if any other employee has their managerId set to the first employees id. An employee who is a manager may or may not also have a manager. TABLE employees id INTEGER NOT NULL PRIMARY KEY managerId INTEGER REFERENCES employees(id) name VARCHAR(30) …
View workers.sql
SELECT name FROM employees
WHERE id NOT IN (SELECT managerId FROM employees WHERE managerId IS NOT NULL);
@xmeng1
xmeng1 / IntelliJ_IDEA__Perf_Tuning.txt
Created Jul 30, 2019 — forked from P7h/IntelliJ_IDEA__Perf_Tuning.txt
Performance tuning parameters for IntelliJ IDEA. Add these params in idea64.exe.vmoptions or idea.exe.vmoptions file in IntelliJ IDEA. If you are using JDK 8.x, please knock off PermSize and MaxPermSize parameters from the tuning configuration.
View IntelliJ_IDEA__Perf_Tuning.txt
-server
-Xms2048m
-Xmx2048m
-XX:NewSize=512m
-XX:MaxNewSize=512m
-XX:PermSize=512m
-XX:MaxPermSize=512m
-XX:+UseParNewGC
-XX:ParallelGCThreads=4
-XX:MaxTenuringThreshold=1
@xmeng1
xmeng1 / kraken.fish
Created Jul 29, 2019 — forked from BBlackwo/kraken.fish
Open GitKraken from the terminal
View kraken.fish
## Forked from https://gist.github.com/dersam/0ec781e8fe552521945671870344147b
## Also received help from https://twitter.com/gitkraken/status/691675309725368321
## Open GitKraken using the current repo directory.
## This code is for fish shell. The same thing can be done in bash
## by creating an alias with the command below.
## `1>/dev/null` directs logs from the terminal
## `&` allows use of the same terminal instance to do other things
@xmeng1
xmeng1 / akkaWebSocket.scala
Created Jun 22, 2019
Akka stream and Akka Http WebSocket Example 1
View akkaWebSocket.scala
object ChatApp extends App {
implicit val system = ActorSystem("chat")
implicit val executor: ExecutionContextExecutor = system.dispatcher
implicit val materializer = ActorMaterializer()
val route = get {
pathEndOrSingleSlash {
handleWebSocketMessages(websocketFlow)
}
@xmeng1
xmeng1 / TypeClassDemo.scala
Created Jun 18, 2019
Cats Type Class Demo
View TypeClassDemo.scala
// Define a very simple JSON AST
sealed trait Json
final case class JsObject(get: Map[String, Json]) extends Json
final case class JsString(get: String) extends Json
final case class JsNumber(get: Double) extends Json
case object JsNull extends Json
////////////////// Step 1
// The "serialize to JSON" behaviour is encoded in this trait
trait JsonWriter[A] {