channprj

Hexadecimal color code for transparency

How to set transparency with hex value ?

For example, you want to set 40% alpha transparence to #000000 (black color), you need to add 66 like this #66000000.

Download This sample on Google Play Store

channprj

My Elasticsearch cheatsheet with example usage via rest api (still a work-in-progress)

Shortlinks:

• Cluster Health
  • Index Level
  • Shard Level
• Nodes Overview
• Indices Overview
• Cluster Maintenance

channprj

/**
 * @desc It triggers mouse event.
 * @param {HTMLElement} element target DOM element
 * @param {string} type type of event
 * @param {number} x clientX of event
 * @param {number} y clientY of event
 */
export function simulateEvent(element, type, x, y) {
  const mouseEvent = new MouseEvent(type, {
    screenX: 0,

channprj

function DeepLinker(options) {
  if (!options) {
    throw new Error('no options')
  }

  var hasFocus = true;
  var didHide = false;

  // window is blurred when dialogs are shown
  function onBlur() {

channprj

Sending Bash and ZSH Commands to Syslog

Also posted here: http://18pct.com/sending-bash-and-zsh-commands-to-syslog/

Your bash/zsh history is great if its complete, but it doesn't capture commands across all users, sudo's, root commands etc. In particular with test environments, someone may perform a "one-off" procedure and then months later it needs to be repeated. It would be nice to be able to look up what the user did at the time, and searching through multiple, possibly truncated history files is a pain.

Tools like typescript are great if you're actively documenting, but not something you would use all the time in practice and capture more than just a history of your commands. There are third-party tools like rootsh and Snoopy that can accomplish this, but third-party tools can be overkill if all you want is a quick reference in a re

channprj

# Local
curl -L https://iterm2.com/misc/install_shell_integration_and_utilities.sh | bash
curl -L https://iterm2.com/utilities/imgcat > ${HOME}/.iterm2/imgcat

# Remote server
sudo curl -o /usr/local/bin/imgcat -O https://iterm2.com/utilities/imgcat && sudo chmod +x /usr/local/bin/imgcat
# sudo wget https://iterm2.com/utilities/imgcat /usr/local/bin && sudo chmod +x /usr/local/bin/imgcat

# Enjoy it now! :-)
imgcat /tmp/sample.png

channprj

AWS 학습 링크집 시리즈

• AWS 학습 자료집 http://bit.ly/aws-study-resource
• 비공식 AWS 공인 솔루션스 아키텍트 - 어소시에이트 수험 가이드 http://bit.ly/sacertguide
• 비공식 AWS 공인 개발자 - 어소시에이트 수험 가이드 http://bit.ly/devcertguide
• AWS 보안 관련 컨텐츠 모음집 http://bit.ly/secontents

AWS 보안 관련 컨텐츠 모음집(http://bit.ly/secontents)

AWS 공식문서 중 보안에 관련된 자료들을 한글 자료 중심으로 정리한 페이지 입니다.

• AWS Security Information Center 한글 자료 위주로 정리된 AWS 보안 정보 포털 사이트 입니다.

channprj

키베이스로 깃 커밋 서명하는법

A. PGP 공개키-비공개키 키쌍 등록

갖고있는 PGP 키쌍이 없을경우 새로 만들어야한다. 이미 키 쌍이 keybase에 업로드되어있는 경우, 기존의 키를 컴퓨터에 다운로드하기만 하면 된다.

A.1. 새 키 만들어서 하는법

keybase login

channprj

  # Docker-in-Docker Gitlab runners setup taken from:
  # https://medium.com/@tonywooster/docker-in-docker-in-gitlab-runners-220caeb708ca
  dind:
    restart: always
    privileged: true
    volumes:
    - /var/lib/docker
    image: docker:17.09.0-ce-dind
    command: 
    - --storage-driver=overlay2

channprj

from datetime import datetime
from sqlalchemy import Column, Integer, DateTime, ForeignKey
from sqlalchemy.orm import relationship
from sqlalchemy.ext.declarative import declared_attr
from flask_security import current_user


class AuditMixin(object):
    created_at = Column(DateTime, default=datetime.now)
    updated_at = Column(DateTime, default=datetime.now, onupdate=datetime.now)