Entrepreneurship, product management, design & software.

  • What happens if you wring a soaking towel in space?

    I love this stuff

  • Off to Naples!

    Today, after dressing up as a pirate, I will be heading to Naples for a few days off. Can’t wait to work on a window by the sea!

  • On interruptions and growth

    On interruptions and growth

    Today was a tough day: one of those days when you’re trying to achieve your todo list items, but it just seems that the world is against you. Then I had an epiphany. As many of you know, I’m a software developer. I always thought that my job was to produce lines of code, to […]

  • When I was a child…

    https://www.instagram.com/p/BBK8f0no56V/?taken-by=jubstuff

  • The “Thirty Percent Feedback” tecnique

    Because I once asked Seth for feedback on a product mockup, and he asked if I felt like I was ninety percent done or thirty percent done. If I was ninety percent done, he would try to correct me on every little detail possible because otherwise a typo might make it into production. But if […]

  • Have you ever heard of concurrent operations?

    While reading some code in a legacy codebase: this should fetch the last user $user = Userlib::createnew_user('0', $_POST["str_Username"], $_POST["str_Password"], # neverending params list); $user_id = Userlib::list_user(" 1=1 ORDER BY id_user DESC LIMIT 1 "); # OMG

  • More news about Uber harassment investigation

    If you followed the recent Uber story and want to know how they are dealing with that situation, here are some new links: Uber Investigating Sexual Harassment Claims by Ex-Employee An Open Letter to The Uber Board and Investors Inside Uber’s Aggressive, Unrestrained Workplace Culture  

  • Pixel Caffeine by AdEspresso

    If you are using Facebook Ads, you should definitely check out the Pixel Caffeine plugin, by AdEspresso. It makes ads segmentation a breeze.

  • 5 tips for writing good code

    Code is written for humans, so we need to lessen its cognitive load Read more on Christian M. Mackeprang’s blog.

  • The First SHA1 Collision

    So, it seems that we need to move on from SHA1, as Google announced the first SHA1 Collision (two different documents that generated the same SHA1 hash).

Got any book recommendations?