As both an investor and a geek, Bitcoin is very close to my heart. Understanding the deep technological aspects of Bitcoin together with… — As both an investor and a geek, Bitcoin is very close to my heart. Understanding the deep technological aspects of Bitcoin together with understanding how capital markets work helps me a lot in the decision making of investing in cryptocurrencies. A bit about me — I sold my company on…

As much as Spark and Python are great at data analysis, most of the time, as a data engineer, you just want to start working on your CSV… — As much as Spark and Python are great at data analysis, most of the time, as a data engineer, you just want to start working on your CSV file in the command line. Well, as it turns out, there’s so much you can do just with Bash. …

WeWork has worked hard to position itself as a fast-growing tech company with a bright future. SoftBank agreed to invest in the company in… — WeWork has worked hard to position itself as a fast-growing tech company with a bright future. SoftBank agreed to invest in the company at a $47 billion dollar valuation. But is it really worth that much? Let’s take a balanced view on how much WeWork is worth, looking at the…

Over the years, working with start-ups and investors (as well as starting a few and selling one) taught me how to understand the value of… — Over the years, working with start-ups and investors (as well as starting a few and selling one) taught me how to understand the value of the special breed of companies called “start-ups”. …

I’m not a biologist. But I do know a few things about aging. And I did come to an interesting conclusion that may actually make you want… — I’m not a biologist. But I do know a few things about aging. And I did come to an interesting conclusion that may actually make you want to upload your DNA to your favorite cloud storage. Cells replicate naturally. As they replicate, two things happen: the DNA is copied, and…

Apache Pig is one of my favorite programming languages. Pig is a “data flow” language — kind of a hybrid between SQL and a procedural… — Apache Pig is one of my favorite programming languages. Pig is a “data flow” language — kind of a hybrid between SQL and a procedural language. It mostly resembles bash one-liners that pipe data in and out. Pig is not being used anymore, because it was replaced by different tools…

Writing your own version of a server is always a good exercise. The interface is very well defined, clients exist everyone, and it proves… — Writing your own version of a server is always a good exercise. The interface is very well defined, clients exist everyone, and it proves you can master a programming language to write practical applications. Memcached is a practical application which is extremely easy to implement from the ground up, and…