jkao

import s2 = require('@radarlabs/s2');

// an arbitrary point in the East Village in New York City
const cell = s2.CellId.fromToken('89c25977e5d62c4b')
cell.id().charAt(0); // compilation error - bigint doesn't have charAt method

jkao

import s2 = require('@radarlabs/s2');

// an arbitrary point in the East Village in New York City
const cell = s2.CellId.fromToken('89c25977e5d62c4b')
cell.id().charAt(0); // compilation error - bigint doesn't have charAt method

jkao

const s2 = require('@radarlabs/s2');

// an arbitrary point in the East Village in New York City
const cell = s2.CellId.fromToken('89c25977e5d62c4b')
console.log(cell.id()); // -> 9926594900169993291n

jkao

/* s2cellid.h */
#include <napi.h>
#include "s2/s2latlng.h"

class LatLng : public Napi::ObjectWrap<LatLng> {

  public:
    LatLng(const Napi::CallbackInfo& info);
    static Napi::FunctionReference constructor;
    static Napi::Object Init(Napi::Env env, Napi::Object exports);

jkao

const s2 = require('@radarlabs/s2');

const user1LongLat = [-73.95772933959961, 40.71623280185081];
const user2LongLat = [-73.95927429199219, 40.71629785715124];
const user3LongLat = [-73.99206161499023, 40.688708709249646];

const user1S2 = ["user1", new s2.CellId(new s2.LatLng(user1LongLat[1], user1LongLat[0])).parent(13)];
const user2S2 = ["user2", new s2.CellId(new s2.LatLng(user2LongLat[1], user2LongLat[0])).parent(13)];
const user3S2 = ["user3", new s2.CellId(new s2.LatLng(user3LongLat[1], user3LongLat[0])).parent(13)];

jkao

const s2 = require('@radarlabs/s2');

const williamsburgLongLats = [
  [-73.95841598510742, 40.72423412682422],
  [-73.96957397460938, 40.71226430831242],
  [-73.9683723449707, 40.70497727808752],
  [-73.96184921264648, 40.69951148213175],
  [-73.95923137664795, 40.70852329864894],
  [-73.94775152206421, 40.70391994183744],
  [-73.94163608551025, 40.71145106322093],

jkao

Keybase proof

I hereby claim:

• I am jkao on github.
• I am jkao (https://keybase.io/jkao) on keybase.
• I have a public key ASBaHNpGhQe-cdjmFE77Zrwjh1n9Cd3UqjPsl7jLgLoIyAo

To claim this, I am signing this object:

jkao

# colors
set -g default-terminal 'screen-256color'

# rebind
bind-key R source-file ~/.tmux.conf \; display-message "tmux.conf reloaded."

bind-key ` copy-mode
bind-key p paste-buffer

# admin debris

jkao

        def getAllUniqueSequences(currentList: List[Int]) : List[List[Int]] = {
          if (currentList.length == 0) // Base case
            List()
          else // General case
            (List(List(currentList.head))
              ++ getAllUniqueSequences(currentList.tail).map(s => currentList.head :: s)
              ++ getAllUniqueSequences(currentList.tail))
        }