Jacques Mattheij

follow: @[email protected]

Posts

The Sweet Spot - Maximizing Llama Energy Efficiency

CNC Lasers (cutters, engravers)

48x32, A 1536 LED Game Computer

Drastically Reducing Our Powerbill

The Golden Egg Circus

Kernenergie vs Zon en Wind

Long Range E-Bike

COVID19 Predictions for 2021

Piano Practice Software Progress

My Friends the Complot Theory Believers

Pianojacq, an easy way to learn to play the piano

COVID-19 Round 2 is Here

Letsencrypt, the Good, The bad and the Ugly

Why Johnny Won't Upgrade

The Social Media Problem

Dealing With Insomnia

Restoring and MIDI-fying a Baby Grand Piano

Covid-19, a Retrospective

Please don't lie

Anatomy of a Scam

MP3 to MIDI Conversion

A Company You Have Never Heard Of

ET (Don't) Phone Home

The Briefcase

What is wrong with Microsoft buying GitHub

So Your Startup Received the Nightmare GDPR Letter

GDPR Hysteria Part II, Nuts and Bolts, actionable advice

GDPR Hysteria

Trainification

Dark Patterns, The Ratchet

E-Stop and Fuel, software that keeps you awake at night

The Web in 2050

Sorting 2 Tons of Lego, Many Questions, Results

I Blame The Babel Fish

No politics please, we're hackers, too busy to improve the world

How to Improve a Legacy Codebase

Sorting 2 Tons of Lego, The software Side

Sorting 2 Metric Tons of Lego

Just Say No

To Stay Or Not To Stay

Pinched Nerve Due To Desk

YCs Basic Income Experiment

The Problem With Electric Vehicles

The Myth Of The Evil VC

My Passion Was My Weak Spot

Another Way Of Looking At Lee Sedol vs AlphaGo

Trackers

New Employee Questions for Start-ups

CEO

The World That Could Have Been

Cloudy With a Chance of Lock-In

Volkwagen and the Blame The Engineer Game

A Critique of Makani, the Google X Kite Based Power Project

Highschool Reunion, Bulllies And Being A Nerdy Kid In The 70's And Early 80's

Defending The Right To Be Forgotten

Retention Is The Key

We're heading Straight for AOL 2.0

The Fastest Blog In The World

Divide And Conquer the most powerful concept in programming

The 'No True Programmer' Fallacy

Your Head As A Battleground, Dueling Memes

Evercookies in the wild, Kia, Mazda, German & Polish Newspapers, Piracy Honeypots and more

What do you want, a cookie?

1,000,000 Websites

Sell it or run it, there is no middle ground

What You See Is What You Get

If you've got nothing to hide...

Ham or Spam? Gmail not to be trusted for important mail

German BND Aided NSA in spying on Dutch, French and Austrians

Do Not Disclose Your Salary To Recruiters

Fifty

Computers Are Brain Amplifiers

Let's talk about your backups

The Army Of the New Independents

All the Technology but None of the Love

All Programming is Bookkeeping

Please do not be a One Trick Pony

Saving a Project and a Company

Good Consultants vs Bad Consultants

If Growth By Itself Was Good Then Getting Cancer Would be Good News

Whose Phone Is It Anyway?

It is not about the money, Silly! It is all about the time.

My New Vehicle

Choosing a Web Framework/Language Combo - Ruby On Rails

Moniker.com is being murdered

The Several Million Dollar Bug

Charities, Direct Marketing and Your Privacy

Google Web/Search History Disable does Absolutely Nothing

Choosing a Web Framework/Language Combo - the SRS Test Application

A Western Kid Living in Communist Poland

Choosing a Web Framework/Language Combo for the Next Decade

Ripe For Disruption

Learning Romanian

When Sued Don't Tweet

The Raspberry Pi as a poor mans Transputer

Journeyman Project Trip 1 United Kingdom

Will Work For Food And Lodging

The Five Year Itch

The Freedom - Responsibility trade-off for Entrepreneurs

Happy Anniversary WWW

Make a bigger Haystack

Love To Learn (2) Highschool Horrors

The Destruction Of The Web

Sound Sensor Failure

Why Stuff From China Is So Cheap

How to go bankrupt

Love To Learn

The API Paradox

AppGratis Apple AppStore Appeal

Come and help save posterous from oblivion!

Suffering from depression? Don't do that start-up!

Domain Knowledge or a lack thereof

how to make a quick buck

Computers I have known

Disqus bait and switch, now with ads

Introducing The Paper Bay

When Haskell Is Not faster than C

A World Without Power

Elon Musk and the Hyperloop

Thank HN: Our friend is safe and sound

Stick to what you know, a tale of an investment gone wrong

This white powder will kill me one day

How to build a windmill part 2, parts, nuts, bolts and blades

How to build a windmill

Life as a Service

The Pendulum Swings, Again

My brush with a patent troll

Things you'll never see, hear or use

All targets are moving targets

Be nice to those that serve you

The scale of programming complexity

Acqui-hire is just another way to spell failure

Those that can do, those that can't blog

Deadbook, the long-term Facebook

Tim Cook memo line by line

You are not the customer you are the product

Startup Game

First employee or co-founder?

fix the bugs and do not forget to fix the class of bug and the process too

Evergreen Investor Scams, Kooks & Crooks

Prior art for Apple's 'interactive search' patent

So you're making good money. STFU

301 redirects a dangerous one way street!

The rise of the destructive programmer

The death throes of an industry

Getting to 'No'

today I wrote some code

The Starter, the Architect, the Debugger and the Finisher

Your Genetic information is not just yours but it is family property

What you could do if you were google and had their databases

C Preprocessor Hell

Due Diligence survival guide part II, nuts and bolts

There is no shame in failure

So you're considering a liberal arts degree

Electronics for programmers

I am a programmer

Dropping out is probably not for you

I hate cut-and-paste

Does it scale? Who cares!

My Heroes

How much of your privacy are you willing to give up in return for a lollipop?

It takes three years to build a business

Are you a programmer with chronic headaches? If so please read

CS Paper writers, please show your code!

hey google, I want my cache links back

Your first customer as a co-founder

The Google Wallet, a lifetime log of your purchases

TechCrunch sets new standard for editorial behavior

A good memory, a programmers most important tool

The Unofficial Hacker News FAQ

Ways to increase the runway for your start-up

Have yourself some Raspberry Pi

The hidden cost of funding

Due Diligence survival guide

The ghost in the room Rachmaninoff plays Rachmaninoff, an early attempt at Hi-Fi recording

How to Improve the quality of your software find an old computer

The Clock Frequency of our Universe

Double your price! (and no, I'm not kidding)

warning do not do business with SEDO

How not to handle open source feedback

The start-up code of conduct and ethics v 0.1

a C Heisenbug in the wild

No User Serviceable Parts Inside

augmented reality with mass appeal

productivity tips for the easily distracted

it is good to have friends

a really good talk and animation about education

I remember IANA

Living in the zone

attitude does not scale

Hacker News is for hackers not startup founders

A tale of two programmers

Free, Public Data Sets

Brian Chesky

How to damage your brand in one smooth shot - Way to GoDaddy

the mobile phone superpower you have never heard of

41,000,006 reasons why I think we're in a bubble

Advertising as a revenue stream

when crisis hits

How to be a Consultant, a Freelancer, or an Independent Contractor

my newest computer

venture capitalists are not record labels

taking stock after 13 years

make something people need

You can't do that

How to Sell Your Company

The worst program I ever worked on

Idea Dump, March 2011 Edition

Three Roads To The Top Of The Mountain

We do get out of bed for less than 10000 dollars per day

What a programmer does for a living

Salary negotiations for techies

Those Gray Beard Hackers And Their Tall Stories

About This Website

Dealing with burn-out

Giants through misfortune and what we can learn from them

Microsoft just bought Nokia for $0

Review What You Fork on GitHub

The Need to Code

The belt sander and the battle for privacy. A body hack.

Your own company?, You can do it!

Bing search results showing up in Google

Idea dump, February 2011 edition

Microsoft's Bing versus Google, some observations

Startup School 2010

Andrew Mason

Mark Zuckerberg

Programmers think differently than non-programmers

Idea dump, January 2011 edition

Anonymous attacks the websites of the Dutch police and the public prosecutors office

Everybody please calm down regarding WikiLeaks and Julian Assange

HackerNews, now with downvotes!

Rejected by some incubator ? Prove them wrong!

idea dump, December edition

When your userbase gets away from you, make something people want, indeed

Reducing the Size of the Holes

Recurring vs One shot sales, ISPS

My list of ideas, if you're looking for inspiration

Pay it forward, HN style

Down with URL shorteners

Why you should or should not get a co-founder

Autonomous driving cars one big step closer to reality

AB Testing make sure you are optimizing for the right variable profit

Welcome to the Pit of Despair...

Beware of being too open about your company on Hacker News

How we improved the SEO performance of WW.com, a mini how-to

Turning around the Titanic, part 1, triple the signup rate

Good System Administrators are Blind

Selling really does start at 'no'

Adventures of an imperative programmer in the land of fp

The Start-up from Hell

So you were thinking of using adsense to generate income? Think again!

Polll vs Epoll (2), measuring the ATR on a very high volume site

Poll vs Epoll, once again.

Who will get us out of this mess?

In defense of wikileaks

Assume Absolutely Nothing

Are you suffering from burn-out?

I'm a tool freak

The pros and cons of 'fuck you' money.

Those niggling last little bits of a project

How David can beat Goliath, smaller companies competing with larger companies

You are NOT the CEO

How to get better at estimating software projects for freelancers and teams

running a start-up is great, growing a business is boring

Burn-out visible in the brains of patients

Hacker, Painter, Bricklayer and Watchmaker

In Memoriam René Sommer

The ideal mobile computer interface

Wholesale Privacy violations in the European Union

Mistakes I've made, and what you might be able to learn from them.

A chair needs at least three legs, so does your business

You will die. Get used to it.

The Page Space Wars, a cyber war for territory in Googles index

readwriteweb.com Canvassing HN'ers for their 'HN Love'

Asynchronous Life

Define 'Correct'. Conways 'life' and the central clock

Is HN Changing - Growth

Decoding Clojure

I'm a terrorist (and so are you!)

Is HN changing ? Part 2

Is HN changing ?

Can we stop the language bashing please ?

baby steps in clojure

The Lambda Calculus

Small really is good, the case for micro clouds

Finding and keeping customers

Intellectual Property (IP)

The story behind ww.com / camarades.com.

The Value of Typing

Junk DNA ? No Way!

manufacturing in Asia

Music

the cost and value of bits, and their content, signals and noise