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Reading a Postgres EXPLAIN ANALYZE Query Plan
Take a guided tour through a query plan for a "simple" SQL query.
explain  postgres  analyze  database  performance 
april 2018
How to update large tables in PostgreSQL – Codacy
Updating a large table in Postgres is not as straightforward as it seems. If you have a table with hundreds of millions of rows you will find that simple operations, such as adding a column or…
update  large  table  postgres 
march 2018
$50,000 Signature Bounty to Decentralize Communication
Blockstack is a new decentralized internet where users own their data and apps run locally. Take back control over your digital life. A browser is all you need to get started.
january 2018
chhamilton/acb: Set of scripts for managing restricted stock units, stock transactions, adjusted cost base, capital gains/losses, etc.
acb - Set of scripts for managing restricted stock units, stock transactions, adjusted cost base, capital gains/losses, etc.
adjusted  cost  base 
january 2018
Setting up RabbitMQ cluster over EC2 instances – Aubergine Solutions – Medium
Most of the applications we work with use APIs. And thus, API response time is a major metric to the evaluation of application performance, which in turn adds to the business value. To make the…
rabbitmq  ec2  clustering  queue 
january 2018
CoinTracking · Bitcoin & Digital Currency Portfolio/Tax Reporting
Full Report for all your Bitcoin and Altcoin trades. Including Profit / Loss calculations, Price Charts, Unrealized Gains and a Tax-Report for all your Coins.
bitcoin  cryptocurrency  ethereum  trading  taxes  portfolio 
december 2017
Experiments in motion graphics : Whitney, John, Sr., 1917-1995 : Free Download & Streaming : Internet Archive
John H. Whitney explains the graphic art potential of the computer and the methods and philosophy involved in his computer film making. Search Educational Film...
motion  graphics  cgi  art  geometry  john  whitney  math  animation 
november 2017
How Adversarial Attacks Work
Machine learning algorithms accept inputs as numeric vectors. Designing an input in a specific way to get the wrong result from the model is called an adversarial attack. In this article we will show practical examples of the main types of attacks, explain why is it so easy to perform them, and discuss the security implications that stem from this technology.
machine  learning  ai  adversarial  attacks 
november 2017
mr-mig/every-programmer-should-know: A collection of (mostly) technical things every software developer should know
every-programmer-should-know - A collection of (mostly) technical things every software developer should know
programming  things  every  programmer  should  know  coding  learning  development 
september 2017
Portfolio Visualizer
Portfolio Visualizer provides online portfolio analysis tools for backtesting, Monte Carlo simulation, tactical asset allocation and optimization, and investment analysis tools for exploring factor regressions, correlations and efficient frontiers.
portfolio  visualizer  finance  investing  calculator 
june 2017
AltSchool/dynamic-rest: Dynamic extensions for Django REST Framework
dynamic-rest - Dynamic extensions for Django REST Framework
dynamic  rest  drf  django  json  api 
june 2017
Web Developer Security Checklist – Simple Security
Developing secure, robust web applications in the cloud is hard, very hard. If you think it is easy, you are either a higher form of life or you have a painful awakening ahead of you. If you have…
web  security  checklist 
june 2017
Django REST Framework 3.6 -- Classy DRF
The best way to understand Django REST Framework class-based views and serializers is to see it in Classy DRF (based on CCBV), so pick your version and jump in at the deep end.
django  rest  framework  drf  reference  documentation  python 
june 2017
d3/colorbrewer.js at v3.5.17 · d3/d3 · GitHub
["#d73027","#f46d43","#fdae61","#fee08b","#ffffbf","#d9ef8b","#a6d96a","#66bd63","#1a9850"]
colorbrewer  hex  values 
march 2017
Zoomable Treemaps w/ Color - bl.ocks.org
.children:hover rect.child {
opacity: 1;
stroke-width: 1px;
}

.children:hover rect.parent {
opacity: 0;
}
d3  zoomable  treemap  v3 
march 2017
media.ccc.de - The Zcash anonymous cryptocurrency
Zcash is the third iteration of an extension to the Bitcoin protocol that provides true untraceability, i.e. fully anonymous transactions...
zcash  cryptography  cryptocurrency  blockchain 
march 2017
How we built a backend system for Uber-like map with animated cars on it using Go.
Hello there. It’s my first blog post in English and I’m going to tell you how we built simple in-memory storage for animated cars. We show animated cars on the main screen of “Namba Taxi for clients…
routing  geospatial  visualization  taxi 
february 2017
Windytv / Windyty, wind map & forecast
Wind map and weather forecast for kiters, surfers, pilots, sailors and anyone else. Worldwide animated weather map, with easy to use overlays and precise spot forecast. METAR, TAF and NOTAMs for any airport in the World. SYNPOP codes from weather stations.
weather  visualization 
february 2017
Ventusky - Wind, Rain and Temperature Maps
Animated wind, rain and temperature maps, detailed forecast for your place, data from the best weather forecast models such as GFS, ICON, GEM
weather  visualization 
february 2017
The Algorithms Behind Probabilistic Programming
We recently introduced our report on probabilistic programming. The accompanying prototype allows you to explore the past and future of the New York resident...
probabilistic  programming  bayesian  inference  probability 
january 2017
Corda - an open-source distributed ledger platform
Corda is a distributed ledger platform designed to record, manage and automate legal agreements between business partners.
distributed  ledger  blockchain 
january 2017
corda/corda: Corda is a distributed ledger platform designed to record, manage and automate legal agreements between business partners. Designed by (and for) the world's largest financial institutions, it offers a unique response to the privacy and scalab
corda - Corda is a distributed ledger platform designed to record, manage and automate legal agreements between business partners. Designed by (and for) the world's largest financial institutions, it offers a unique response to the privacy and scalability challenges facing decentralised applications.
distributed  ledger  blockchain  finance 
january 2017
Chris Kohlhepp's Blog | Metacircular Musings
Reasoning System Articles The Anatomy of a Puzzle The Reasoned Lisper Cryptanalysis with Reasoning Systems Specification Driven Programming - A Design Pattern Advanced C++ and Lisp Articles Embedding Lisp in C++ - A Recipe Lambda-Over-Lambda in C++14 Modern C++ and Lisp Programming Style Functional Programming Articles Meta-Circular Adventures in Functional Abstraction Closures are Beautiful Functional…
blog  reasoning 
january 2017
Cryptanalysis with Reasoning Systems | Chris Kohlhepp's Blog
A Full Analysis of the 2015 GCHQ Crypto Puzzle Today I would like to start the third article in a series on reasoning systems and declarative, executable specifications.  The material I prepared for this article on the 2015 GCHQ crypto puzzle was mothballed nearly a year ago now - and surely GCHQ will host a…
cryptanalysis  puzzle  gchq 
january 2017
cpach/cryptopals-python3: Python 3 solutions to the Matasano Crypto Challenges
cryptopals-python3 - Python 3 solutions to the Matasano Crypto Challenges
cryptopals  python 
january 2017
Updates to my 8,760 Hours guide
I’m happy to announce that my 8,760 Hours guide has been cleaned up and improved, just in time for 2016 Reviews and 2017 Planning! When I first wrote the guide back in 2012 I expected maybe a few friends to read […]
8760  hours  life  planning  resolutions  new  years  mind  mapping 
december 2016
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