Jens Laufer
writes about Software Development, Data Science, Entrepreneurship, Traveling and Sports

June 10, 2020 · 5 minute read

How You Avoid Being Blocked While Scraping Websites with Proxies

Different approaches that help you with few changes in code

The last hours I had written a scraper to pull the products of an internet marketplace for a niche analysis. The scraper required some effort because the website uses JavaScript for rendering, so a lot of code is executed in the browser. This circumstance increases the effort needed for scraping a… Read more

September 9, 2019 · 4 minute read

qraptor Technology Stack Part Two: Applications in September 2019

The application we use for our reinforcement trading platform

In Part One: Architecture and Programming Languages we showed you that we using several programming languages to get things done. Today we want to go more into details what applications/micro services for our reinforcement trading platform. It’s devided into several parts. First, we show you… Read more

June 26, 2019 · 2 minute read

What are some steps to make an idea into a product?

First and foremost: Do not fall into the trap of doing product development for months for a product nobody wants . Know your customers and know where they are hanging around from day 1. Follow these steps: 1. Answer the question: Who are your customers, and where are they? You need to identify your… Read more

April 23, 2019 · 14 minute read

Practical example of Training a Neural Network in the AWS cloud with Docker

How to train a shallow neural network on top of an InceptionV3 model on CIFAR-10 within Docker on an AWS GPU-instance

My last article Example Use Cases of Docker in the Data Science Process was about Docker in Data Science in general. This time I want to get my hands dirty with a practical example. In this case study, I want to show you how to train a shallow neural network on top of a deep InceptionV3 model on… Read more

April 14, 2019 · 3 minute read

Make A Living in Data Science and Not Trading Time for Money

5 product ideas for Single Person Entrepreneurs

You made yourself a plan. You want to make a living in Data Science. Well, why aren’t you applying for a data science job then? There are tons of them right now, as we all know data science is hot right now. You tell me that you want to create a valuable, repeatable and scalable business… Read more