djrondon

/**
 * Encodes multi-byte Unicode string into utf-8 multiple single-byte characters
 * (BMP / basic multilingual plane only).
 *
 * Chars in range U+0080 - U+07FF are encoded in 2 chars, U+0800 - U+FFFF in 3 chars.
 *
 * Can be achieved in JavaScript by unescape(encodeURIComponent(str)),
 * but this approach may be useful in other languages.
 *
 * @param   {string} unicodeString - Unicode string to be encoded as UTF-8.

djrondon

Force layout test/experiment with images

Sources:

• Force Layout
• Force-based label placement
• Collapsible force layout with directed paths and images/text in the nodes.
• Labeled Force Layout

djrondon

{
  "sort": ["_doc"],
  "size": 100,
  "query": {
    "bool": {
      "must": {
        "match_all": {}
      },
      "filter": {
        ...

djrondon

Setup

Add this to your .profile, .bashrc, .zshrc...

decode_base64_url() {
  local len=$((${#1} % 4))
  local result="$1"
  if [ $len -eq 2 ]; then result="$1"'=='
  elif [ $len -eq 3 ]; then result="$1"'=' 
  fi
 echo "$result" | tr '_-' '/+' | openssl enc -d -base64

djrondon

package main

import (
	"bytes"
	"crypto/aes"
	"crypto/cipher"
	"crypto/rand"
	"errors"
	"io"
	"io/ioutil"