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Using Kubernetes Pod Metadata to Improve Zipkin Traces
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developers.soundcloud.com
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7 years ago
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eng
SoundCloud is built on hundreds of microservices. This creates many challenges, among them debugging latency issues across the services…
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Sloc Cloc and Code Revisited - Optimizing an already fast Go application
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boyter.org
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7 years ago
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eng
Update 2019-03-13 This is now part of a series of blog posts about scc Sloc Cloc and Code which has now been optimised to be the fastest code counter for almost every workload. Read more about it at the following links. Sloc Cloc and Code - What happened on the way to faster Cloc 2018-04-16 Sloc Cloc and Code Revisited - A focus on accuracy 2018-08-28 Sloc Cloc and Code Revisited - Optimizing an already fast Go application 2018-09....
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I have been experimenting with notations for color mixtures, so I can make notes about colors on the go without actually carrying a whole set of oil paints everywhere. Here's an example from a very quick sketch during tonight's commute home: Though it may look black and white, there are a dozen colors captured in this quick sketch. In this post, I briefly describe the notation. The letters are based on my oil painting palett....
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As recently as twenty years ago, if people wanted to publish a book, they would either have to convince a traditional publisher to publish their book, or shell out hundreds or thousands of dollars in order for a self-publisher to print their book for them. Some of these old self-publishing companies still exist - such as Morris Publishing, who, according to their website , charge around $5 a book for a 40-page book with a 25-book minimum. ..
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Using Kubernetes Pod Metadata to Improve Zipkin Traces
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developers.soundcloud.com
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7 years ago
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eng
SoundCloud is built on hundreds of microservices. This creates many challenges, among them debugging latency issues across the services…
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I have been experimenting with notations for color mixtures, so I can make notes about colors on the go without actually carrying a whole set of oil paints everywhere. Here's an example from a very quick sketch during tonight's commute home: Though it may look black and white, there are a dozen colors captured in this quick sketch. In this post, I briefly describe the notation. The letters are based on my oil painting palett....
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Imagine that you installed a random Python package from PyPI. There’s a good 13.5% chance that the package has no licensing information. Considering it’s not uncommon to have hundreds of dependencies and sub-dependencies in a typical Python application, there’s a very good chance of using unlicensed code. Depending on the context, the consequences of using unlicensed software could be anywhere from insignificant to disastrous. Ok, that’s a ..
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Now that we’ve covered basic data structures, it’s time to apply those structures to one of the most basic applications of algorithms: sorting. Sorting, as the name implies, organizes and divides objects for us in order to make them easier to find and use.
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What is school for? (And other unconventional opinions on school)
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yasha.solutions
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7 years ago
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eng
I am not bashing school – but I think we need more conversations on this topic. Here are a couple of videos which I think raise some interesting points to think about. Don’t Stay in School A rap video that went viral a few years ago, from And the follow up video, addressing comments:What is school for? A more recent video from Prince EA Teachers React to original video on school from Prince EA
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What is school for? (And other unconventional opinions on school)
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yasha.solutions
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7 years ago
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eng
I am not bashing school – but I think we need more conversations on this topic. Here are a couple of videos which I think raise some interesting points to think about. Don’t Stay in School A rap video that went viral a few years ago, from And the follow up video, addressing comments:What is school for? A more recent video from Prince EA Teachers React to original video on school from Prince EA
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So I've been trying to do as much of my local development from within docker containers. Each project I tweak things to be a little bit nicer than the last one. Most recently I went to update my tealeaves ssh key parser utility (which is coded in rust). Initially I was getting all manner of frustrating errors trying to get a reproducible version of rust installed with 1.30, clippy, and rustfmt. I bailed one night in frustration only to late....
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We just rolled out the first batch of high-res satellite imagery with amazing 12.5cm per pixel resolution.
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In the original PHP prototype of SnailLife there exists a very rudimentary genetics system. Snails had what I called “visual traits” and “functional traits”. Visual traits had genes associated with them. The genes were all stored in the snail’s table and each gene had two “alleles”. During breeding I’d make virtual Punnett Squares of sorts to pass on genes from parents to offspring. But the system was inflexible - each allele for each gene ..
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Unhashable in Python - Getting the unique number of locations in a GeoDataFrame
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leblancfg.com
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7 years ago
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eng
I encounter an unhashable type error when trying to get the unique number of geometries in a GeoDataFrame, and we learn about mutability (vs immutability) of Python objects in order to sidestep the issue.
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Hi, Lain. Let's have a thread for share our personal projects and get reviews. > URL > Language / Framework > Description
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We know that dictionaries are very important data structures. But did you know they can be improved on from our previous implementations using arrays and lists? With a concept called hashing, we can create an excellent implementation of dictionaries that efficiently handle all of that linked memory.
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209 Netfix Categories You Dont Know About Netflix is available just about everywhere and in every country. But they change which movie and TV categories they promote in each market. That means there are some hidden Netflix categories you haven't seen before. So here's a set of links to 209 of the hidden channels available, listed below. There's a ridiculous number of very specific categories like Alien Sci-Fi, Boxing Movies or Satanic Stori..
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Dictionaries are so important that we’ve allocated an entire article for them. Dictionaries, also called dynamic sets, are like special arrays. While arrays you can only look up the values by their numeric address, dictionaries allow you to look up items by their values. This gives them tremendous power that we’ll explore today. But first, the answers to the previous article’s Daily Problem.
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Here is a little research project I did at request to figure out all the gateways, if you want to sell stuff in russian speaking countries – turns out Stripe or Paypal are not exactly going to cover all your needs. So here is the results of my research on the topic. Feel free to add in the comments if you have some extra input on the topic. Yandex Money / Kassa The first plugin is from Dayes Design :
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Here is a little research project I did at request to figure out all the gateways, if you want to sell stuff in russian speaking countries – turns out Stripe or Paypal are not exactly going to cover all your needs. So here is the results of my research on the topic. Feel free to add in the comments if you have some extra input on the topic. Yandex Money / Kassa The first plugin is from Dayes Design :
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August was a good month for reading. I read four books for myself and eleven different books to my five-month-old son. I guess all the free time from being done with school has really paid off!
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I think enough of the SnailLife Go infrastructure is ready now for me to start digging into the snail itself. In the PHP draft of SnailLife, I started with a basic concept of a snail “Here’s a snail. All it has is a name, size, and speed” and then made it more and more complex. By the end I had a model that had organs, genes, a reproductive system, macro/micro nutrient requirements, locomotion, a brain with memories, mood, etc. With the Go ..
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Couple of notes : Impact is a the third parameter to be added to the traditional Growth / Value focus Separate end users and funders. Change the funding models to facilitate experimentatino on the early stage Scaling to early also happen to the non-profit – with similar issues are the in the traditional business Separate end users and funders.
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Couple of notes : Impact is a the third parameter to be added to the traditional Growth / Value focus Separate end users and funders. Change the funding models to facilitate experimentatino on the early stage Scaling to early also happen to the non-profit – with similar issues are the in the traditional business Separate end users and funders.
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It seems to me that the tools we use are changing so quickly that sometimes we forget to look around at what we already have before we invent something new. Don't get me wrong, specialised build tools and task runners have their place and can make things easier, but they can sometimes unnecessarily overcomplicate things. Simplicity is prerequisite for reliability. Edsger Dijkstra Enter Bash; installed on most Linux distributions by defaul..
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Recently I’ve downloaded a game onto my Android phone - Star Trek Timelines. The reason - other than for enjoyment and to occupy my time - is twofold: I want to publish my own Android game at some point, and I need to spend my Google Play credit I’ve earned via Google Opinion Rewards before it expires.
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Anything that is in the world when you’re born is normal and ordinary and is just a natural part of the way the world works. Anything that’s invented between when you’re fifteen and thirty-five is new and exciting and revolutionary and you can probably get a career in it. Anything invented after you’re thirty-five is against the natural order of things.
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Anything that is in the world when you’re born is normal and ordinary and is just a natural part of the way the world works. Anything that’s invented between when you’re fifteen and thirty-five is new and exciting and revolutionary and you can probably get a career in it. Anything invented after you’re thirty-five is against the natural order of things.
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Have you wondered how basic data structures like Objects and Arrays work under-the-hood in JavaScript? In this article we’ll be exploring elementary data structures as they are constructued in the JavaScript language.
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FASTER is an interesting project, with some unique approaches to solving their tasks that I haven’t encountered before. When I initially read the paper about a year or so ago, I was impressed with what they were doing, even I didn’t quite grasp exactly what was going on. After reading the code, this is now much clearer. I don’t remember where I read it, but I remember reading a Googler talking about the difference between Microsoft and Goo....
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I wrote this today as I wanted to ensure that a service waiting for its DNS name to be updated with the correct IP address (its Public IP) before starting. This little script uses Curl with Akamai’s ‘whatsismyip.akamai.com’ endpoint to get the Public IP and then NSLookup to get the IP returned by the DNS server for the domain. It keeps trying for a while until they match or exits if they don’t match after 250 seconds.
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Why You Don’t Understand “Disruption” ]1 by Bill Barnett where you learn that Kodak invented Instagram in the 90’s. What Your Innovation Process Should Look Like where Steve Blank share some knowledge on innovation processes inside an organisation Optimize when you can, standardize if you must. Not 100% on innovation but still important to understand how to approach these two parameters of every technological project
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Why You Don’t Understand “Disruption” ]1 by Bill Barnett where you learn that Kodak invented Instagram in the 90’s. What Your Innovation Process Should Look Like where Steve Blank share some knowledge on innovation processes inside an organisation Optimize when you can, standardize if you must. Not 100% on innovation but still important to understand how to approach these two parameters of every technological project
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