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@RestController
class HelloWorld {
  
  @RequestMapping("/")
  public String hello(){
    return "Hello World!";
  }
}

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about:config

• Set browser.download.animateNotifications to False
• Set security.dialog_enable_delay to 0
• Set network.prefetch-next to False (Only on slow internet connections)
• Set browser.newtabpage.activity-stream.feeds.telemetry to false
• Set browser.newtabpage.activity-stream.telemetry to false
• Set browser.ping-centre.telemetry to false
• Set toolkit.telemetry.archive.enabled to false
• Set toolkit.telemetry.bhrPing.enabled to false

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Built-in

diskutil erasevolume HFS+ 'RAM Disk' `hdiutil attach -nobrowse -nomount ram://XXXXX`

where XXXXX is the size of the RAM disk in terms of memory blocks.

Notes:

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System

ssh-keygen -t rsa -b 4096 -C "[email protected]"

PowerShell

• Windows PowerShell was built upon .NET and only worked on Windows
• PowerShell Core is open sourced and built on .NET Core 2.x, work on Windows, Linux, macOS, ARM

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Software Management

Ubuntu/Linux Tools

APT (Ubuntu's Advanced Packaging Tool)

# installing a package
sudo apt install zsh

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{"lastUpload":"2020-11-10T23:43:02.343Z","extensionVersion":"v3.4.3"}

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#!/usr/bin/env sh

sudo apt-get install -y \
	git \
	g++ \
	libgtk-3-dev \
	gtk-doc-tools \
	gnutls-bin \
	valac \
	intltool \

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import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.util.UUID;

/**
 * This class provides helper methods to work with UUID, for instance, converting UUID into 16-byte
 * array for database column BINARY(16) and vice versa.
 */
public final class UuidUtil
{

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#!/bin/bash
#title           :wildfly-install.sh
#description     :The script to install Wildfly 10.x
#more            :http://sukharevd.net/wildfly-8-installation.html
#author	         :Dmitriy Sukharev
#date            :2016-06-18T02:45-0700
#usage           :/bin/bash wildfly-install.sh
#tested-version1 :10.0.0.CR3
#tested-distros1 :Ubuntu 15.10; Debian 7,8; CentOS 7; Fedora 22 
#tested-version2 :10.0.0.Final

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FROM public.ecr.aws/lambda/nodejs:14

##
# Install necessary package for building Node.js Canvas
##
RUN yum -y update \
&& yum -y groupinstall "Development Tools" \
&& yum install -y nodejs gcc-c++ cairo-devel libjpeg-turbo-devel pango-devel giflib-devel zlib-devel librsvg2-devel

COPY *.js package* ./