Personal blog of Perttu Lähteenlahti. For more developer oriented posts checkout perttu.dev and if you want to sleep better check nyxo.app
This site has total of 41 articles and 24 Weeklies. The articles I've written have a total of 45 485 words in them, and it would take you approximately 3 hours and 30 minutes to read all of the them. There's also 44 posts in draft state (huh, that's a lot, better get back to work).
20 Things About 2020
Not really a fan of yearly reviews. I think there are easier ways to brag about your accomplishments than trying to mask them under an…
Kultainen leikkaus mallina esteettisestä kokemuksesta käyttöliittymäsuunnittelussa
1. Johdanto Teemme päivittäin päätöksiä esteettisten preferenssiemme johdattelemina (Palmer, 2013). Päädymme esimerkiksi ostamaan kotiimme…
Build a Clock Face with SVG in React Native
In this article, we are going to look at how to draw a nice-looking analog clock face by using react-native, react-native-svg , and styled…
Static Sites in Swift: Getting Started With Publish
A few days ago, I accidentally stumbled upon Publish, a static site generator that uses Swift as the language for building websites. Despite…
TypeScript Configuration For styled-components In React Native
Using Styled-components with React Native is great. Where it really shines in my opinion is theming. However, wouldn’t it be cool if you get…
Usability evaluation
Introduction The pressure to innovate and create products and services that ease users’ workflows and combine previously separate tasks…
The 6 Things You Need for Good Sleep
I’ve been working on getting people to sleep better for a bit over two years now by building Nyxo – Mobile Sleep Coaching App. I’m doing…
🚀Product Ideas: Democratizing Relaxing Content With ASMR
Here’s an idea. Create what is essentially a Spotify for ASMR. For the following reasons: Fundamentally connected to something everyone does…
User Research – How to Make Sense of Users
TLDR: What is user research and what is user-centred design. Overview of common user-research methods such as contextual inquiry…
How to Fix 'VirtualizedLists should never be nested inside plain ScrollViews' Warning
When developing with React Native and nesting FlatList or SectionList component inside a plain ScrollView your debugger might display the…
Successful Rapid Prototyping With React Native
This is a transcript of a lightning talk I gave at React Day Berlin in 2019. You can watch the talk here, and download the presentation…
How to Succeed in Life
Even though defining success in life is highly subjective, certain features often predict success in life, especially when it comes to money…
VCs and Deep Tech: im14andthisisdeeptech
The word “deep tech” gets thrown around a lot these days. It feels every investor and their grandma is looking for deep tech companies to…
Running React Native apps on specific iOS simulators
If you’re developing React Native apps for iOS you’re most likely familiar with this command: In most cases that command opens up the iPhone…
Best Books About the Tech World
Getting into the tech scene, the world of startups, investors, and technology; is challenging if you didn’t study engineering or business. I…
App Store Release Checklist
Releasing to App store Getting your mobile app published in the App Store is simple in theory but tedious in practice. During the past nine…
Iowa Gambling Task – Simulating real-life decision-making with card games
Decision-making is perhaps one of the most exciting capabilities of human cognition. At the same time, it also one of the most difficult…
Crosstalk in Stereoscopic Displays – Why 3D Movies Look Weird
Remember 3D TVs? Remember how the TV manufacturers tried to ship the idea of wearing goggles at home while watching TV, so you could…
What I Read in 2018
The Accidental Billionaires: The Founding of Facebook, a Tale of Sex, Money, Genius, and Betrayal by @benmezrich ⭐️⭐️⭐️ Reads more like a…
That's How I Got to Memphis
If you love somebody enough You’ll follow wherever they go That’s how I got to Memphis So goes the country song written by Tom T. Hall in…
Too Old to Learn Code
I wrote my first line of code in 2014 and a year later I founded my first software consultancy. Since that, I have founded two other…
What is Strategy?
“We gotta have a strategy. Let’s have a weekend for planning a strategy!” What the fuck is a strategy? Everyone’s heard of strategy, but not…
Designing for Healthier Life
Four approaches to designing digital services that persuade your user to live a healthier life Changing your habits from unhealthy to…
Designing a winning hackathon concept
Using a service design mindset to win hackathons The nature of hackathons has changed during the past years and hackathons are no longer…
Opas hackathoneja voittavien palvelukonseptien suunnitteluun
Palvelumuotoilun ajatusmaailmalla hackathonien voittoon Hackathonien luonne on muuttunut viimeisten kolmen vuoden aikana. On päästy melko…
I Fucking Hate My Job
Dear manager, this goes to both you and me. You know why people quit? Because they hate their job? Because they get paid more somewhere else…
Key to Unlocking Creativity: Sleep
What you should know about sleep to boost your creativity A couple of weeks ago Luova Aalto organized an event about the interplay of sleep…
Hackathon Diaries: Energy Efficiency Hackathon
One rather unusual hackathon about energy efficiency ⚡️ Premise Sometime around early January I came around one rather odd looking website…
Hackathon Diaries: Royal Hackaway
First part in our series of trips to hackathons around the world What is the difference between a hackathon in Finland and one in UK? I…
Hackathon Diaries: Kuohu Creative hackathon
Can you do creative business development in a hackathon? Premise Last weekend we participated in one of the most exciting hackathons in a…
Hackathon Diaries: Talking Plants with Fiskars
Circular economy and the future of gardening Premise “Has anyone ever done any gardening?” The question echoed in our office for a short…
Miten Perfekt City tehtiin
Miten avoimen datan avulla luotiin työkalu kaupunkisuunnitteluun Viime Heinäkuussa törmäsimme sattumalta työkaverini kanssa Ultrahackin ja…
I hack, therefore I am?
Some stories and thoughts from hackathons If everything goes as planned, I will be attending my 50th hackathon this year. For those who don…
Hackathon Diaries: Oulu 5GFWD hackathon
Virtual classrooms, hospital experiences, and factories of tomorrow How to hack with 5G networks in mind? How do you manage three teams and…
Intelligenzia ry:n tiedote Helsingin yliopiston kognitiotieteen tilasta 5.2.2016
Kognitiotieteen tuleva sijoittuminen on ollut avoinna jo keväästä 2015, kun psykologian ja logopedian muuttoa lääketieteelliseen…
List of Quotes I like
“There are all these people bragging about how they’re survivors, as though that’s something very special. But the only kind of person who…
Tiedote kognitiotieteilijöille 8.12.2015
Kognitiotiede osana tiedekuntamuutosta ja Isoa pyörää Helsingin yliopistossa liikkeellä oleva Iso pyörä sekä tiedekuntauudistukset saavat…
The Role of Designers’ Subjective Interpretations in Human-centered Design
Interpretation is the basis of radical innovation Design is the process of making sense of things, as well as solving the problems that are…
Defining Touchpoints in Service Design
Services are, by nature, intangible, which can be seen as the defining concept that distinguishes them from products. Despite their nature…
Avoin Kirje Käyttäytymistieteellisen Tiedekunnan Dekaanille
Aloite kognitiotieteen oppiaineen ja tieteenalan jatkuvuuden takaamiseksi käynnissä olevassa tiedekuntamuutoksessa Arvon dekaani, Kevään…
Psykologian siirtyminen lääketieteelliseen tiedekuntaan ja miten tämä vaikuttaa kognitiotieteeseen
Tänään järjestetyssä psykologian oppiaineryhmän kokouksessa käytiin lävitse huhuja mahdollisesta psykologian oppiaineen siirtymisestä…