Willem-Jan Zijderveld

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Rating: 4 of 5 
(18.Sep.2012)
Offline strategies for HTML5 web applications
Nice talk, I missed the overview a bit. But nice to hear the possibilities of all methods.
Rating: 5 of 5 
(18.Sep.2012)
Profiling PHP Applications
Great talk with live demo's! Would have liked some more examples for when to use which profiling tool.
Rating: 3 of 5 
(18.Sep.2012)
Klanten zijn net mensen
Interessant onderwerp, vond het wel lastig in de presentatie komen. Veel logische statements op het scherm die dan weer veel herhaald werden door de spreker, lastig je aandacht er dan bij te houden.
Rating: 5 of 5 
(18.Sep.2012)
Treading the PHPath
Great talk. Nice to hear how a developer can promote him-/herself these days, to separate ourselves from the nephews and copy/paste people. Important stuff!
Rating: 4 of 5 
(18.Sep.2012)
HTTP and Your Angry Dog
Nice talk, a bit fast. And I would have liked to see more examples where we can use this in daily life except our connection with the Github API :)
Rating: 5 of 5 
(25.Jan.2013)
Being grumpy for fun and profit
Great talk, nice to hear it's not necessarily a bad thing to be grumpy :-)
Rating: 4 of 5 
(25.Jan.2013)
Regex clinic
Good talk. Nice overview on the possibilities. But sometimes it felt as if reading the manual would tell me the same thing.
Rating: 5 of 5 
(25.Jan.2013)
Algorithm, Review, Sorting
Great talk on a pretty dry topic. He managed to keep it interesting throughout the talk.
Rating: 4 of 5 
(25.Jan.2013)
7 Tools for Your devops stack
Nice talk on a subject, for which the problems I often just accept. Great to here there are a lot of possibilities and that there are a lot of solutions available.
Rating: 3 of 5 
(29.Jan.2013)
Mastering Selenium for automated acceptance tests
Interesting topic, nice to hear the possibilities and tools to use. But the talk was a bit rushed or chaotic from time to time, which made it hard to keep my focus. And the second projector screen in the back had a low resolution, so a lot of the examples on screen weren't readable for me. But that's not something you can easily prevent :)
Rating: 4 of 5 
(29.Jan.2013)
Symfony Content Management Framework
I found the presentation pretty good. My expectations were a bit off, because I hoped for a more in-depth explanation of some of the components. (So more code examples would have suited me as well). Still heard some new stuff (mainly from other peoples questions), happy I was there.
Rating: 4 of 5 
(29.Jan.2013)
Process any amounts of data. Any time
Nice talk, great speaker. Nice hints on how simple things can make such a big difference.
Rating: 5 of 5 
(29.Jan.2013)
React: Event-driven PHP
Good talk, the only thing I missed, was a reasoning why we would use React over Node (expect its written in PHP). But the talk itself was good, nice stream of information, complex but not overwhelming.
Rating: 5 of 5 
(29.Jan.2013)
Scaling your development team
Great talk, good to see and hear how a really large development team handles release management, and what tools they use. The title is just a bit confusing, haven't heard much about scaling the team itself, more about the effects of the scaling.
Rating: 5 of 5 
(29.Jan.2013)
Application Logic Security
Good talk, a lot of information, but useful information. Thanks!
Rating: 4 of 5 
(07.Jun.2013)
A Web Of Identity
Liked this talk, the concept of focusing on context instead of devices nicely explained.
Rating: 4 of 5 
(07.Jun.2013)
PHP, Under The Hood
Great talk, nice to hear how PHP internally works sometimes. But saw a lot of C code fly by. Wasn't able to follow the code that quickly.
Rating: 5 of 5 
(07.Jun.2013)
Introduction to Lisp
Fun talk, probably won't ever start with learning lisp. I like to be able to read the code I wrote 10 seconds ago :-)
Rating: 5 of 5 
(07.Jun.2013)
High Performance Websites with Scalable Workers
Good talk that shows what workers and and how they can be used to scale your applications. With live demo!
Rating: 5 of 5 
(08.Jun.2013)
Getting your toolbox together
Nice introduction to stuff like vagrant. Maybe you could explain a bit more about the possibilities instead of the implementation details.
Rating: 5 of 5 
(08.Jun.2013)
Growth Hacking for Humans
Great keynote, made me realize that I shouldn't be afraid to break boundaries and leave my comfort zone.
Rating: 4 of 5 
(08.Jun.2013)
Uncon: Event driven applications
Nice presentation about how to use event driven development. With a good list of pros and cons. Might be good to add some more real world examples.
Rating: 5 of 5 
(08.Jun.2013)
Uncon: Developers travel in style
Very entertaining!
Rating: 4 of 5 
(14.Sep.2013)
"Orcs 'n' All": A Journey to Mount Doom (via Facebook)
Nice talk, good to hear some experiences with Facebook game design.
Rating: 4 of 5 
(14.Sep.2013)
Opening
Nice opening! Agreed with Michelangelo, would be nice if it would have been in English.
Rating: 5 of 5 
(14.Sep.2013)
Your REST API: 10 things you are doing wrong
Liked the talk very much, although I'm not new to REST and all the stuff nobody actually implements, I still learned new stuff.
Rating: 4 of 5 
(14.Sep.2013)
Productivity and the Pomodoro Technique
Nice talk! Very useful to see some of the tools used to stay in focus en be more productive!
Rating: 4 of 5 
(14.Sep.2013)
Testing with Codeception
Great to here what Codeception is and what it differentiate from other testing frameworks. For me there were to much demo's, but that's probably just taste.
Rating: 4 of 5 
(14.Sep.2013)
'ProTalking' your way into Open Source
Greate introduction into Open Source, nice to include the audience with each step.
Rating: 5 of 5 
(14.Sep.2013)
Redis For The Everyday Developer
Awesome as always, couldn't tell for a second (expect that you mentioned it) that you hardly prepared for it.
Rating: 4 of 5 
(15.Sep.2013)
Keynote
Nice keynote! Fun to hear about how it goes behind the scenes at BNN HQ :)
Rating: 5 of 5 
(24.Jan.2014)
Keynote: Mentoring Developers
Very nice keynote! Definitly got some inspiration to help me mentoring my colleague.
Rating: 4 of 5 
(24.Jan.2014)
The first few milliseconds of HTTPS
Nice talk. Nice to hear how the thing we use every day actually works.
Rating: 3 of 5 
(24.Jan.2014)
Functional Application Design in PHP
Interesting talk! But in my opinion way to much info on the slides, which makes it hard to concentrate on the story instead on the slides.
Rating: 4 of 5 
(24.Jan.2014)
Refactoring to Design Patterns
Entertaining talk, maybe hard to follow for people new to design patterns.
Rating: 4 of 5 
(24.Jan.2014)
What to do when client wants to serve 110 MILLION geotargeted banners of a VPS? (Uncon)
I liked the talk, you brought it in an entertaining way, which made it nice to listen to. Could have used a bit more teaching stuff.
Rating: 5 of 5 
(25.Jan.2014)
Models and Service Layers; Hemoglobin and Hobgoblins
Entertaining as always. And I even managed to learn things at that hour!
Rating: 4 of 5 
(25.Jan.2014)
The seven deadly sins of Dependency Injection
Liked the talk, clear explanation of the problems with wrongly implemented IoC.
Rating: 4 of 5 
(25.Jan.2014)
Ansible: Orchestrate your Infrastructure
Nice introduction with an exciting live demo :-) Good to follow, also with little knowledge of other configuration tools.
Rating: 5 of 5 
(27.Jan.2014)
Hacking with HHVM
Really enjoyed the talk! Definitely got inspired to checkout HHVM (and Hack). But next time, you better watch where you're walking ;)
Rating: 4 of 5 
(27.Jan.2014)
O(ops), Authentication!
I liked the talk, nice introduction on Authentication and the different options out there. Would have liked if you shortly explained some of the differences between OAuth1 and OAuth2, because of all the discussions about it out there.
Rating: 4 of 5 
(27.Jan.2014)
Apigility DEMO (Uncon)
Nice demo, nice to see some of the possibilities (I missed the talk). Personally I would like to have seen a bit more of the Code Generation features, instead of just the database mapping.
Rating: 5 of 5 
(27.Jun.2014)
KEYNOTE: A startup story: Sending a billion text messages
Very nice talk about his experiences and how he started this career. Very entertaining!
Rating: 3 of 5 
(27.Jun.2014)
Recursive Descent Parsing
nice introduction, but hard to keep my attention. It is a tough subject, but it can be brought more dynamic. maybe some code execution, show some the results.
Rating: 5 of 5 
(27.Jun.2014)
Abstract Machines
Again a great talk from Igor. He warned us about the lack of practical use up front , so I won't blame him for that :P
Rating: 4 of 5 
(27.Jun.2014)
Uncon - Lightning introduction to react PHP
nice talk, I would have liked to hear more examples about when to use ReactPHP. But time was limited.
Rating: 5 of 5 
(27.Jun.2014)
Design how your objects talk to each other through mocking
Nice talk about TDD and design principles. It had quit some advertising for prophecy, but I can see why.
Rating: 5 of 5 
(28.Jun.2014)
Trunk Based Development
nice talk that explains the benefits and downsides of trunk based development. not sure if I'm convinced but it was a good talk.
Rating: 5 of 5 
(28.Jun.2014)
Practical Event Sourcing
nice talk with understandable examples. We use it in production and really happy with it.
Rating: 4 of 5 
(28.Jun.2014)
Uncon - One-command cloud deploys
Nice talk about deployment with a specific cloud product. but a bit chaotic for my taste.
Rating: 4 of 5 
(29.Oct.2014)
Getting Started with Ansible
Liked this talk from Erika, even though I'm already using Ansible for a while, I still managed to learn new things :-) It's a good introduction into the possibilities of Ansible and some guidance how to arrange your Ansible configuration.
Rating: 4 of 5 
(26.Nov.2014)
Object Invariants, Immutability & You: Making Objects Do Your Bidding
Really wouldn't have guessed it was your first talk. Enjoyed the talk and think it is great how you fitted this in a lightning talking. 4 thumbs because you forgot some slides ;)
Rating: 5 of 5 
(23.Jan.2015)
Opening & Keynote; Talmudic Maxims to Maximize Your Growth as a Software Developer
Great keynote with a lot of valuable lessons. Everybody should see this talk!
Rating: 5 of 5 
(23.Jan.2015)
Low-Level PHP, Getting Things done with Go
Nice introduction to the awesomeness of go. Wondering how many people are going to play with it in the coming weeks :-)
Rating: 4 of 5 
(23.Jan.2015)
Decorating Applications with Stack
Nice insights in Stack and iets origins.
Rating: 4 of 5 
(23.Jan.2015)
Handling Higly Connected Data with the Neo4j Graph Database
A nice introduction into neo4j as a graph database. Could have used a bit more introduction on when to use agraph database.
Rating: 4 of 5 
(24.Jan.2015)
Migrating to DDD
Nice introduction into DDD. With some examples how they implemented it in their application.
Rating: 4 of 5 
(24.Jan.2015)
Ship code faster with Kanban
Great talk about Kanban, with a clear explanation how you can start with Kanban within your current progress. Maybe a little less bashing on other methods would not be a bad thing :-)
Rating: 5 of 5 
(24.Jan.2015)
Microservices: Packs small, plays BIG!
Good introduction into microservices, I liked it that he didn't dive into all possible container techniques but stayed on a more high level approach.
Rating: 5 of 5 
(24.Jan.2015)
Say What? Ubiquitous Language and You!
Good introduction in the hearth of DDD, the ubiquitous language; How and why to use it.
Rating: 5 of 5 
(25.Jan.2015)
Social Event
The last shuttle-bus was so full it had to drive twice... Says enough I guess :-)
Rating: 5 of 5 
(25.Feb.2015)
Developing a Reactive Process Manager, Twice
Great speaker with a great talk. Clear explanation of the Actor Model and how why everybody should at least give SCala a try :) Nice to see such a crowd interested in the same thing. Kudos to Vaughn, as you could see he wasn't feeling so good, but still managed to give an excellent talk.
Rating: 4 of 5 
(26.Jun.2015)
Uncon: Developers are just like humans
Somehow I missed the big red bar :| The anonymous comment above is mine..
Rating: 5 of 5 
(27.Jun.2015)
HTTP is Dead. Long Live HTTP/2!
great talk about the differences between HTTP/1.1 and HTTP/2.
Rating: 5 of 5 
(27.Jun.2015)
The NoSQL Store everyone ignores: PostgreSQL
Enjoyed the talk, learned quite a lot of new tricks from Postgres.
Rating: 5 of 5 
(27.Jun.2015)
Hexagonal architecture - message-oriented software design
Nice explanation about architecture. I really hope people will start seeing the benefits and that it is not that hard to start using these principles.
Rating: 5 of 5 
(15.Nov.2015)
Building Open Source Communities
Great keynote with some ideas that give food for thought. Not sure if I'll start merging PR's on the spot, but will definitely give it more thought.
Rating: 4 of 5 
(15.Nov.2015)
Making Embedded Domain-Specific Languages a Practical Reality
Interesting idea and concepts. I like the idea of adjusting a language to your domain. As Peter mentioned, I think that this talk was less suited for the wider audience. As the audience got thrown into the deep regarding functional programming and EBNF. But the message of the talk and the idea of domain specific error messages are still very interesting.
Rating: 4 of 5 
(31.Jan.2016)
Puli: PHP's Next Package Revolution
I heard about Puli a few times, but never really understood what the idea behind it was. In this talk Bernhard explained the concept very well, it was really interesting. It was a little bit dry, so maybe something could be done with the storyline, have 1 example throughout the whole talk.
Rating: 5 of 5 
(31.Jan.2016)
Live Streaming 101
Interesting idea and great explanation how it could be done. Livestreaming the talk itself only made it more awesome :-)
Rating: 5 of 5 
(31.Jan.2016)
Using Circuit Breakers in PHP
Nice explanation how circuit breakers work and how they solved of their problems with storing them.
Rating: 4 of 5 
(31.Jan.2016)
How to Migrate Anything with DDD
As said before, the title is quit confusing. Besides that, I think the talk was pretty good, nice and clear explanation what Baleen is and how it works.
Rating: 4 of 5 
(31.Jan.2016)
One extension, three engines
Already read your blogpost, so didn't hear a lot of new stuff, but still enjoyed it. It's a great talk which gives some insights in what extension developers have to deal with. Good luck with your ghost bug!
Rating: 4 of 5 
(26.Jun.2016)
Jeroen vd Gulk Growing a development team
A very interesting talk and not only for team leads or managers. Growing a team also requires the help of the team. It was very insightful and had some great tips.
Rating: 4 of 5 
(26.Jun.2016)
Event Sourcing: the good, the bad and the complicated
Great talk, entertaining and informing. Although I think it might help to explain a bit more about event sourcing and cqrs itself, explain the basic concepts in a few slides, instead of spreading it over the entire presentation, as it otherwise makes it hard for people to understand how some of the examples are related to the concepts.
Rating: 3 of 5 
(26.Jun.2016)
Feature Flags are Flawed: Let's Make Them Better
Overall a good presentation, but I had a different view on feature flags, so the title was a bit misleading to me. In my opinion feature flags aren't just on/off toggles, they can be conditional (based on a context which can contain of user/browser/session/region or anything else). For that reason, this talk felt more like a promotion of Swivel (with less features then feature toggles that I'm used to) then an actual talk about improving feature toggles.

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Events They Were At

PFCongres Oct 14, 2016
DomCode 2015 Nov 13, 2015
PFCongres 2013 Sep 12, 2013
PFCongres 2012 Sep 14, 2012
phpDay 2016 May 14, 2016
BredaPHP meetup 3 Jul 30, 2015
DomCode - January 2015 Jan 27, 2015
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