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Algorithms – 4 articles

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    The Spaces Championship – our code competition

    Peter Paul van de Beek, Peter Brouwers, on 23-01-2020
    Category: Podcast Tags: Community game skills gamification software engineering Algorithms Problem solving

    It was briefly mentioned in our episode on Advent of Code. We also started an internal Coding Championship. Spaces Championship. Let’s dive into this and find out what it is all about.  From our personal experience, we know that is easier to train and improve when we are in a competition. Could it be that the same mechanism is here at work too? Let us know when you think we should open-up this competition externally as well, goto Linkedin, mailto: techlab@bol.com or twitter us: @bol_com_Techlab Guests Harmen Prins – Software…

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    The Spaces Championship – our code competition

    Advent of Code 2019

    Peter Paul van de Beek, Peter Brouwers, on 19-12-2019
    Category: Podcast Tags: Java Software skills gamification software engineering Algorithms Problem solving

    The subject of this podcast episode is totally in line with the holiday season. Time for the advent calendars in many different formats. One of these formats is the Advent of Code 2019!   The bol.com Tech Community is participating in this event. In this episode, we talk with 2 participants and discover what it is all about. We explore what it could do. Our software engineers see it as a good way to sharpen their problem solving and a good exercise for the upcoming bol.com spaces programming championship. Some become really competitive. Guests Erik…

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    Advent of Code 2019

    Performance boost the pick algorithm in the warehouse

    Peter Brouwers, Peter Paul van de Beek, on 29-05-2019
    Category: Podcast Tags: cloud Algorithms Warehouse scaling performance flexibility

    In this episode we dive into the world were e-commerce becomes physical. We talk about the bol.com Fulfilment Center (BFC). Within these centres, we have several challenges and one of these challenges has to do with the picking algorithm. The pick algorithm determines the route in a warehouse that is performed to pick all the products for a set of customers. As bol.com we have very high volumes of products that we must send from our warehouses to customers every day. So, it makes sense to optimize the distance that…

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    Performance boost the pick algorithm in the warehouse

    Finding the longest matching string prefix … fast

    Niels Basjes, on 10-12-2018
    Category: Data Science & AI, Development Tags: Java Software Open source DataScience Algorithms

    In many systems at bol.com the response speed of our systems is very important. This blog is about the data structures and algorithms we used to make a specific analysis step a lot faster: Finding the longest matching string prefix.

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