Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Geohashes are Rad
Search
Sponsored
·
SiteGround - Reliable hosting with speed, security, and support you can count on.
→
Brian Leonard
September 20, 2014
Technology
70
0
Share
Geohashes are Rad
Lightening talk give at Golden Gate Ruby Conference 2014
Brian Leonard
September 20, 2014
More Decks by Brian Leonard
See All by Brian Leonard
Realm Meetup: React Native Launch
bleonard
0
6.5k
React Native Launch: React Native Meetup
bleonard
0
98
Managing Vendors Through a Bus Architecture
bleonard
0
51
React Native Integration Testing
bleonard
0
230
Service-Oriented Architecture: There and back again...
bleonard
0
66
Startup Engineering: Hacker News London
bleonard
0
62
Other Decks in Technology
See All in Technology
Azure Static Web Apps の自動ビルドがタイムアウトしやすくなった状況に対応した件/global-azure2026
thara0402
0
220
昔はシンプルだった_AmazonS3
kawaji_scratch
0
230
Databricksを用いたセキュアなデータ基盤構築とAIプロダクトへの応用.pdf
pkshadeck
PRO
0
320
"SQLは書けません"から始まる データドリブン
kubell_hr
2
410
今年60歳のおっさんCBになる
kentapapa
2
380
Bill One 開発エンジニア 紹介資料
sansan33
PRO
5
18k
Code Interpreter で、AIに安全に コードを書かせる。
yokomachi
0
5.5k
最初の一歩を踏み出せなかった私が、誰かの背中を押したいと思うようになるまで / give someone a push
mii3king
0
130
Hooks, Filters & Now Context: Why MCPs Are the “Hooks” of the AI Era
miriamschwab
0
160
Data Hubグループ 紹介資料
sansan33
PRO
0
2.9k
【Findy FDE登壇_2026_04_14】— 現場課題を本気で解いてたら、FDEになってた話
miyatakoji
0
1.1k
試されDATA SAPPORO [LT]Claude Codeで「ゆっくりデータ分析」
ishikawa_satoru
0
390
Featured
See All Featured
Distributed Sagas: A Protocol for Coordinating Microservices
caitiem20
333
22k
Deep Space Network (abreviated)
tonyrice
0
110
Money Talks: Using Revenue to Get Sh*t Done
nikkihalliwell
0
200
How to Align SEO within the Product Triangle To Get Buy-In & Support - #RIMC
aleyda
1
1.5k
The Anti-SEO Checklist Checklist. Pubcon Cyber Week
ryanjones
0
120
Pawsitive SEO: Lessons from My Dog (and Many Mistakes) on Thriving as a Consultant in the Age of AI
davidcarrasco
0
110
Un-Boring Meetings
codingconduct
0
260
4 Signs Your Business is Dying
shpigford
187
22k
Digital Projects Gone Horribly Wrong (And the UX Pros Who Still Save the Day) - Dean Schuster
uxyall
0
1k
Unlocking the hidden potential of vector embeddings in international SEO
frankvandijk
0
760
The Curious Case for Waylosing
cassininazir
0
300
GraphQLとの向き合い方2022年版
quramy
50
15k
Transcript
Geohashes are rad Brian Leonard @bleonard 09/20/2014
None
None
None
None
None
None
None
Geohashes • Encode lat/lng into a “sha” • Group loca?ons
• Compare loca?ons to each other
Geohashes Spot in London (51.507794, -0.127952)
Geohashes Spot in London (51.507794, -0.127952) gcpvj0dyds
None
None
None
Encoded 00101 10101 01110 00110 00110 00110 11110 00111 5
p f 6 6 6 y 7
Close! 5 p f 6 6 6 y 7 5
p f 6 6 6 y 2
Geo Box Size Precision Meters 1 5003530 2 625441 3
123264 4 19545 5 3803 6 610 7 118 8 19 9 3.71 10 0.6
None
* Substrings
None
Brian Leonard @bleonard Geohashes are rad. That’s it.