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At IETF96 in Berlin, the chairs of the NETMOD working group, and Operations Area Director (Benoit Claise) published a statement to say “Models need not, and SHOULD NOT, be structured to include nodes/leaves to indicate applied configuration”. Now, this might seem a pretty innocuous statement, but it actually has a number of implications for the data models for network configuration and state that are being produced in the industry. What ..
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At IETF96 in Berlin, the chairs of the NETMOD working group, and Operations Area Director (Benoit Claise) published a statement to say “Models need not, and SHOULD NOT, be structured to include nodes/leaves to indicate applied configuration”. Now, this might seem a pretty innocuous statement, but it actually has a number of implications for the data models for network configuration and state that are being produced in the industry. What ..
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I just released a long overdue update to Eve.NET . This release marks a significant improvement over the previous one, which was more a prototype than a real package. New features are as follows: PostAsync() supports bulk inserts DeleteAsync() supports bulk deletes GetAsync() has a softDelete option to include soft-deleted documents with query results GetAsync() has a rawQuery option to pass raw Eve queries to the server BearerAuthentica..
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Link to album So over the last weekend I, my two cousins and their girlfriends went on a hike in the Icelandic country side. The first weekend in August is usually reserved for festivals held around the island and involve a fair bit of alcohol. This year we decided to go on a two day hike and experience nature. The hike was somewhere around 40-45km all in all. We decided to go first to Hólaskjól, which is a camping center at one of the entr..
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Link to album So over the last weekend I, my two cousins and their girlfriends went on a hike in the Icelandic country side. The first weekend in August is usually reserved for festivals held around the island and involve a fair bit of alcohol. This year we decided to go on a two day hike and experience nature. The hike was somewhere around 40-45km all in all. We decided to go first to Hólaskjól, which is a camping center at one of the entr..
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With engineers spread across four offices, collaboration and communication in trivago's IT is a challenge. Additionally, new engineers join the company all the time, which makes it even harder to figure out who to talk to about certain products, packages, and technologies.
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Mikael Cho is the Unsplash and Crew. Unsplash, is a photo-sharing site that boasts 6 billion photo views per month.
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With engineers spread across four offices, collaboration and communication in trivago's IT is a challenge. Additionally, new engineers join the company all the time, which makes it even harder to figure out who to talk to about certain products, packages, and technologies.
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Before I say anything else, let me be clear: this isn’t me making up some spooky story, this actually happened to me this morning, Monday August 1st, at 6 am. I had a series of strange dreams about spies and nuclear war last night. Pretty dramatic, but I have weird dreams all the time. The problem is that things got weirder after I woke up. First, I noticed a bitter taste in my mouth that I have no explanation for. I ate nothing strange..
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Before I say anything else, let me be clear: this isn’t me making up some spooky story, this actually happened to me this morning, Monday August 1st, at 6 am. I had a series of strange dreams about spies and nuclear war last night. Pretty dramatic, but I have weird dreams all the time. The problem is that things got weirder after I woke up. First, I noticed a bitter taste in my mouth that I have no explanation for. I ate nothing strange..
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When using fabric for deployments you will sometimes want check an existing file for the presence of a value before applying an update. A common example I run into is checking if an apt-source has already been added before adding it again. This is a little clunky in fabric, but thankfully you can write a simple helper which takes case of it for you. def _get_remote (fileloc): '''Pulls back a file contents from connection as st..
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Monitoring systems allow you to monitor changes to your front-end code base over time, catching any regression issues and monitoring the ongoing effects of any performance optimisation changes. Easy to use dashboards are a must when it comes to monitoring the state of your web apps. Companies like Calibre or SpeedCurve offer this as a […]
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Last time, we saw a specific zero-knowledge proof for graph isomorphism. This introduced us to the concept of an interactive proof, where you have a prover and a verifier sending messages back and forth, and the prover is trying to prove a specific claim to the verifier. A zero-knowledge proof is a special kind of interactive proof in which the prover has some secret piece of knowledge that makes it very easy to verify a disputed claim is t..
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Last time, we saw a specific zero-knowledge proof for graph isomorphism. This introduced us to the concept of an interactive proof, where you have a prover and a verifier sending messages back and forth, and the prover is trying to prove a specific claim to the verifier. A zero-knowledge proof is a special kind of interactive proof in which the prover has some secret piece of knowledge that makes it very easy to verify a disputed claim is t..
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Last time, we saw a specific zero-knowledge proof for graph isomorphism. This introduced us to the concept of an interactive proof, where you have a prover and a verifier sending messages back and forth, and the prover is trying to prove a specific claim to the verifier. A zero-knowledge proof is a special kind of interactive proof in which the prover has some secret piece of knowledge that makes it very easy to verify a disputed claim is t..
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As well as adding new features and updates, we review existing features to see if they’re still beneficial to the community. As we dug into…
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A business object with setters for attributes that are interdependent, will need check constraints on the setters. But there is a better way, using the Whole Value pattern.
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This post started with a simple search and turned into a trove of undocumented knowledge I discovered about finicky cross-browser SVG properties.
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As well as adding new features and updates, we review existing features to see if they’re still beneficial to the community. As we dug into…
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Atlas Cafe. Blue Bottle Coffee. Cafe la Boheme. Clarion Alley . Coffee Bar. Dynamo donut & coffee. Four Barrel Coffee. Grand Coffee. Haus Coffee. Kafe 99. Linea cafe. Mission skateboards. pNakamoto's Bitcoin shop. Philz Coffee. Ritual Coffee roasters. Rodger's coffee & tea. Sightglass Coffee. Stable Cafe. Sugar lump coffee lounge.
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Just a quick "today I learned" that if you pass a number < 1 as the delay argument to setTimeout node.js will attempt to run your callback at that time even if it's less than 1ms in the future. const pretty = require('pretty-hrtime') setTimeout(() => { const delta = process.hrtime(start) console.log(pretty(delta)) }, 0.5) const start = process.hrtime() If you run this in a shell loop, you'll notice sometimes it is able to complete in 5..
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Ostensibly simple, yet dazzlingly rich; both in its witty didacticism and beautiful passages. The Alchemist is a story of a boy…
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Student loan debt is, uh… a problem in the good ole US of A, to say the least. It has passed credit cards for the number two spot on the list of “biggest things holding American wallets hostage,” behind only mortgages at this point. When millennials wake up in a cold sweat in the dead of night, filled with a deep, overwhelming, and existential sense of dread, it’s probably because student loans are haunting their dreams. Okay, hopefull..
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Student loan debt is, uh… a problem in the good ole US of A, to say the least. It has passed credit cards for the number two spot on the list of “biggest things holding American wallets hostage,” behind only mortgages at this point. When millennials wake up in a cold sweat in the dead of night, filled with a deep, overwhelming, and existential sense of dread, it’s probably because student loans are haunting their dreams. Okay, hopefull..
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In this blogpost, I describe the most popular tools currently used to diff streams on the terminal, their differences and limitations. Then I introduce a new tool I’ve developed, sd, to address some of these limitations.
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Originally published on Medium on July 13, 2016 . Update May 16th, 2017: Our style guide is now published at ux.adroll.com . You can read more about the latest updates on our UX blog . Q&A with AdRoll’s UX Designer on why we did it and what we learned. Hi! I’m Arya Srinivasan, a UX Researcher at AdRoll. I sat down with Mason Lee, a UX Designer working on AdRoll’s native ads API product, to talk about his work developing AdRoll....
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1. What is NeXT? (pun intended) NeXT was the computer company that Steve Jobs (co-founder of Apple) created after he got kicked out of Apple in the 1980s. They made high-end UNIX workstations that were intended to rival Apple computers, and primarily targeted for the higher education and science/engineering markets. However, they were not as successful as their competitors in this market and when Steve Jobs returned to Apple in 1997, he ..
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1. What is NeXT? (pun intended) NeXT was the computer company that Steve Jobs (co-founder of Apple) created after he got kicked out of Apple in the 1980s. They made high-end UNIX workstations that were intended to rival Apple computers, and primarily targeted for the higher education and science/engineering markets. However, they were not as successful as their competitors in this market and when Steve Jobs returned to Apple in 1997, he ..
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If hacking is mysterious to you and something only the most elite hackers can do, this blog post might disappoint you.
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27th July 2016 at about 9:30pm my local time (GMT +10) I updated the A records for searchcode’s nameservers to point at a new stack that has been several months in the making. As with most posts of this sort of nature a quick recap of where things were and where they are now. The previous searchcode stack consisted of two dedicated servers hosted by Hetzner. I have previously discussed this about two years ago when discussing searchcode ..
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I’m a full time nerd, even when I’m ordering pizza online I can’t stop myself from investigating how the websites I’m ordering from work. My latest investigation was Dominoes where I found a neat way to count the number of orders that they process throughout the day. This post is supposed to highlig...
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I’m a full time nerd, even when I’m ordering pizza online I can’t stop myself from investigating how the websites I’m ordering from work. My latest investigation was Dominoes where I found a neat way to count the number of orders that they process throughout the day. This post is supposed to highlig...
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What is creativity? How to be more creative? I don’t know. Do you know? I have some ideas about it, based on my observations of creative people and my efforts to write. My hypothesis is that everybody can train and develop their creativity, through regular delivery of good enough art and craft, and ongoing increase in the quality and the frequency. Lets me first talk about what I mean by creativity? For me, it is about making something ....
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Dependencies are extremely powerful, but also open up a world of complexity. To successfully secure these packages in your application, you need to consider security as a natural aspect of quality. This means embedding it into your suite of quality tools and practices, making handling security the default.
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Functions within PostgreSQL can be setup to return rows and included in queries just like any other table. Continuing with our theme of trying to push Elixir and Phoenix a little on this site rebuild, we will move our site search inside of a database function and experiment with different ways to call it from Ecto.
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Synchronous communication for microservices: current status and learnings
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developers.soundcloud.com
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9 years ago
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eng
Since we started breaking our monolith and introduced a microservices architecture we rely a lot on synchronous request-response style communication. In this blog post we’ll go over our current status and some of the lessons we learned.
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Synchronous communication for microservices: current status and learnings
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developers.soundcloud.com
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9 years ago
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eng
Since we started breaking our monolith and introduced a microservices architecture we rely a lot on synchronous request-response style communication. In this blog post we’ll go over our current status and some of the lessons we learned.
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Using lambdas with Bluebird.map A situation came up this week where a coworker had stumbled upon some really terse code. They weren't exactly clear on what was going on, so we went through an exercise together of rewriting the code in the most verbose format, then gradually shrinking it one piece at a time to arrive at the very terse but completely equivalent format. Our Task: Put Users into Groups Here's the situation. We need to do a s....
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I recently added syntax highlighting and support for CSS stylesheets to wordinserter , and the implementation was satisfying enough that I thought I would blog about it. Wordinserter is a library I maintain that lets you insert HTML documents/snippets into Word documents: It’s primary use case is wh...
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I recently added syntax highlighting and support for CSS stylesheets to wordinserter , and the implementation was satisfying enough that I thought I would blog about it. Wordinserter is a library I maintain that lets you insert HTML documents/snippets into Word documents: It’s primary use case is wh...
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Over the past few months, I’ve been working on projects which grew to become ActionHero Plugins. ActionHero is a Node.js framework for…
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Drюzhivago (restaurant) . Gorky park . Hotel Peking . Izmailovo . Kolomenskoe (park) . Kremlin . Kuskovo (park) . Mariinsky (see ballet or opera) . Moskow times (check for events) . Strelka (lectures, cocktails and dances) . Tarasbulba (food) . Tsaritsyno park .
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