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The current SoundCloud iOS App was built back in 2014, resulting in a huge codebase consisting of both Objective-C and Swift, with multiple…


Dynamic Programming is this topic that scares the crap out of everyone (myself included). This was one of those topics that took me a super long time to think about before it clicked. But I think I figured it out! My simple way of remembering Dynamic Programming is to think of iteration with memoization.

Data Science vs Analytics are two related disciplines in most startups. I’ve also heard a number of ways to describe the distinctions…

October was a pretty busy month for me. We bought a van . I’ve been hard at work on remodeling the master bathroom . And, of course, I’ve been busy helping my wife take care of our seven-month-year-old son .

VCs do everything you would expect the USSR would do, while being a private company. VC Financing projects without asking too many questions. Sometimes people refer to this as VC welfare . If a company puts the right combination of “disruptive”, “blockchain” and “AI” in their slides they receive funding. Showing some APIs, an app with users (real or fake) the money flows him. With no real technical evaluation. USSR Financing pr..





Sometimes, when I look back over the time I have spent working at trivago, I see how it changed my life and how lucky I have been to get the chance to work among this amazing community, to live and to learn with them. I look back and see a younger version of myself looking desperately for something different and, by just sheer luck, getting it.


Sometimes, when I look back over the time I have spent working at trivago, I see how it changed my life and how lucky I have been to get the chance to work among this amazing community, to live and to learn with them. I look back and see a younger version of myself looking desperately for something different and, by just sheer luck, getting it.

I’m a Java programmer by trade, and, for whatever reason, I tend to think about edge-cases I might (or might not) encounter while programming (see my article Four Java Limitations You May Never Encounter ). One particular example I’ve been contemplating recently is if one null object equals another null object in Java.

If you remember from very early on in this article series we mentioned that designing algorithms requires both correctness and efficiency. For a certain set of problems, however, correctness is currently impossible.

Postgres has experienced a long and great run. It is over 20 years old and has a track record of being safe and reliable (which is the top thing I care about in a database). In recent years it has become more cool with things like JSONB , JIT support , and a powerful extension ecosystem. But, Postgres has made some mistakes along the way, the most notable being the name. Postgres gets its name from Ingress . Ingress was one of the fi....

Postgres has experienced a long and great run. It is over 20 years old and has a track record of being safe and reliable (which is the top thing I care about in a database). In recent years it has become more cool with things like JSONB , JIT support , and a powerful extension ecosystem. But, Postgres has made some mistakes along the way, the most notable being the name. Postgres gets its name from Ingress . Ingress was one of the fi....

As I’m sure you’ve now heard, Red Hat is being acquired by IBM . Reactions have ranged from: The first two emotions everyone experienced. to: The classic humourous response. to: The classy response. to: The thing we're all curious about. to everything in between. If someone were to leak me a copy of the memo-list 2018-October.txt.gz mailman archive, I’d sure love to see that! (Of course I’m joking and I wouldn’t act..

As I’m sure you’ve now heard, Red Hat is being acquired by IBM . Reactions have ranged from: The first two emotions everyone experienced. to: The classic humourous response. to: The classy response. to: The thing we're all curious about. to everything in between. If someone were to leak me a copy of the memo-list 2018-October.txt.gz mailman archive, I’d sure love to see that! (Of course I’m joking and I wouldn’t act..



Our project for traveling in time on a digital map - TimeMachine Atlas prototype of the city of Venice - is now live!









I was talking to someone who used to work in finance in New York. They told me they left to write fiction. I thought it’s their dream to be a writer. Then they also told me they don’t enjoy writing that much, with all the editing and revising. Yet, they feel a strong compulsion to write, to discover the characters. I thought I know what they were talking about. Years ago, I had became a compulsive math solver. At the sight of an interesti....



With October being Cybersecurity Awareness month, we thought it would be a good time to reflect on some of the things we do in engineering to educate our associates and infuse security into our culture. We have over 28,000 associates worldwide supporting hundreds of solutions with millions of lines of code. Each associate has a specialization, such as software development, system support, and consulting. Keeping everyone up to date on the l..

Rust bookmarks - xenodium.com - 7 years ago - eng
Configuring Emacs for Rust development | Robert Krahn . Introducing the Rust crash course . Rust Language Cheat Sheet (cheats.rs) .





Update: I wrote a follow-up article about adding Loop Counters and Row Counts to SQL Plan FlameGraphs . I also show some old examples of “Bookshelf Graph” visualizations there. Check it out after reading this post first. Introduction Brendan Gregg invented and popularized a way to profile & visualize program response time by sampling stack traces and using his FlameGraph concept & tools. This technique is a great way for visualizi..

Update: I wrote a follow-up article about adding Loop Counters and Row Counts to SQL Plan FlameGraphs . I also show some old examples of “Bookshelf Graph” visualizations there. Check it out after reading this post first. Introduction Brendan Gregg invented and popularized a way to profile & visualize program response time by sampling stack traces and using his FlameGraph concept & tools. This technique is a great way for visualizi..

Fonts bookmarks - xenodium.com - 7 years ago - eng
Get the Font . GitHub - rsms/inter: The Inter UI font family . Input: Fonts for Code . Need an industrial typeface like this, anyone? . Programming Fonts - Test Drive . Sudo Coding Font | Jens Kutílek . The package of IBM’s typeface, IBM Plex (font) .

Occasionally I try to branch out from working on https://searchcode.com/ https://searchcodeserver.com/ or https://github.com/boyter/scc and find something that I find interesting to toy around with. Usually I go for something that will only take a few hours to play around with. I had recently re-read a book series I remember loving a while ago which is the Empire Trilogy of books by Feist and Wurts https://en.wikipedia.org/wiki/Emp..


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