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You know those bugs, like, **those**. Where the application state dances around you like a crazed Polynesian fire dancer. Where changing the sorting order of a search in London reverts the result list back to Paris... Seriously? Unfortunately, a lot of us are specialists in dealing with this kind of bug.
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You know those bugs, like, **those**. Where the application state dances around you like a crazed Polynesian fire dancer. Where changing the sorting order of a search in London reverts the result list back to Paris... Seriously? Unfortunately, a lot of us are specialists in dealing with this kind of bug.
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A blazing fast geo database with LevelDB, Go and Geohashes
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blog.nobugware.com
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10 years ago
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eng
You probably have heard of LevelDB it’s a blazing fast key value store (as a library not a daemon), that uses Snappy compression. There is plenty of usages for it, the API is very simple at least in Go (I will be using Goleveldb). The key is a []byte the value is a []byte so you can “get”, “put” & “delete” that’s it. I needed a low memory low cpu system that could collect millions of geo data and query over them, Geohash has an interesting ..
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I knew the day would come eventually. In one of my first posts , I mentioned a guy who was doing something similar to what I’m doing now. His observation was that security personnel at these large companies doesn’t care how insane you are if you work at the company and aren’t hurting anyone. Last night, I had my first run in with company security. What follows is my experience. It’s almost 1 am, I just got out of a movie with a few frien..
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I knew the day would come eventually. In one of my first posts , I mentioned a guy who was doing something similar to what I’m doing now. His observation was that security personnel at these large companies doesn’t care how insane you are if you work at the company and aren’t hurting anyone. Last night, I had my first run in with company security. What follows is my experience. It’s almost 1 am, I just got out of a movie with a few frien..
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I am sorry in advance for what you are about to read. If witnessing the evolution of a mere human into Crazy Cat Lady is something you may find disturbing, turn back now and pretend you never came to this godforsaken place.
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or at least drive Class B vehicles. Also, as it turns out, licenses have a lot of personal information on them, and I’ve done my darnedest to remove any fun details, like where I “live”. Anyways, I’ve finally done it. For those who don’t understand why this is exciting for me, let me give you a bit of background. The Backstory I drove buses in college. It was the highest-paying job on campus, which is what initially drew me t..
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or at least drive Class B vehicles. Also, as it turns out, licenses have a lot of personal information on them, and I’ve done my darnedest to remove any fun details, like where I “live”. Anyways, I’ve finally done it. For those who don’t understand why this is exciting for me, let me give you a bit of background. The Backstory I drove buses in college. It was the highest-paying job on campus, which is what initially drew me t..
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Keeping in sync: Sharing sessions between Symfony applications
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tech.trivago.com
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10 years ago
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eng
Learn how we managed to move fast and create a new Symfony application without breaking our old legacy session handling. We write to our legacy session (which is file based) from our new project which uses PDO as the session storage.
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Keeping in sync: Sharing sessions between Symfony applications
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tech.trivago.com
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10 years ago
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eng
Learn how we managed to move fast and create a new Symfony application without breaking our old legacy session handling. We write to our legacy session (which is file based) from our new project which uses PDO as the session storage.
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Some time ago I wrote an article about Decoding CAPTCHA’s which has become what appears to be the first resource most people encounter when searching for information in the decoding CAPTCHA space. I had continued to write about CAPTCHA’s over the years with posts scattered around the web. A while ago I started to consolidate all of my content on this blog and realised that I had considerably more CAPTCHA related articles then I thought...
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The data science team at AdRoll is constantly working to improve our programmatic bidding algorithm, BidIQ. One recent improvement to BidIQ has been the introduction of a novel modeling technique called Factorization Machines (FM). The FM model allows us to consider interactions between all predictive variables, rather than only certain manually selected interactions. Thanks to the FM model, we are able to use the exact same feature informa....
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One problem that you wouldn’t expect to have in a truck is losing things. It’s a single, small, essentially square room. There are no doors, closets, nooks, crannies, trap doors, false floors, drop ceilings, or hiding places to speak of. Everything should be well accounted for. In spite of this, I’ve managed to lose the following items, most of which I acquired on my first trip to Home Depot . Switchblade Screwdriver Roll of Tape Nail Cl..
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One problem that you wouldn’t expect to have in a truck is losing things. It’s a single, small, essentially square room. There are no doors, closets, nooks, crannies, trap doors, false floors, drop ceilings, or hiding places to speak of. Everything should be well accounted for. In spite of this, I’ve managed to lose the following items, most of which I acquired on my first trip to Home Depot . Switchblade Screwdriver Roll of Tape Nail Cl..
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As development teams push farther toward continuous delivery, deploying updates to an application without disruption to users is constantly becoming a more sought-after practice. Amazon’s EC2 Container Service helps to make that easier than ever with tight Elastic Load Balancer integration.
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I’ve always been interested in creating and improving our developer tools. Things like git hooks , browser extensions or command line scripts . When I work on such tools, one of my goals is to make them easy but also pleasant to use. “Pleasantness” typically comes in the form of being the least verbose necessary, displaying nice and meaningful colors or making informed assumptions. In this post, I talk about a bash “command runner”.....
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On Stack Overflow and the Eve mailing list , but also in my mailbox and even on Twitter, I get a lot of enquiries on how to build custom endpoints within a Eve-powered RESTful application. Now, since within Eve all endpoints are fully customizable, what they really mean is: How do I setup endpoints without any binding to a data entity, just connected to a custom method? They would like to call something like /mycustomendpoint and ..
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From HTTP2, Flexbox, CSS Filters, and ES6, the Internet we know today is built on hacks. Lets explore some of those hacks and solutions.
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A new scheme for SIMD in Rust is available in the latest nightly compilers, fresh off the builders (get it while it’s hot!). For the last two months, I’ve been interning at Mozilla Research, working on improving the state of SIMD parallelism in Rust : exposing more CPU instructions in the compiler, and an in-progress library that provides a mostly-safe but low-level interface to that core functionality. It’s still simple to use; ....
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This post is part two of what will be a three part series. If you missed it part one was How to Route Traffic through a Tor Docker container . I figured it was important, if you are going to be a tor user, to document how you can help the Tor community by hosting a Tor relay. And guess what? You can use Docker to do this! There are three types of relays you can host, a bridge relay, a middle relay, and an exit relay. Exit relays tend to ....
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Recently needed to rotate images based on EXIF metadata. ImageMagick to the rescue: $ for i in *.png; do convert -auto-orient "$i" "$i"; done
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My friend Sakhya brought me the wonderful Cookbook of Regional Cuisines of India . After improvisations and substitutions, here's my attempt at making Bengali Machcher Jhol:
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When looking for a more stable hosting solution for my Magic: The Gathering Api , I stumbled across Google’s App Engine. If you have not read up on this solution, I would recommend it. To get Laravel’s Lumen running correctly on Google App Engine, there are a few questions that we need to answer. Lets take these one at a time. How does the application know it is running on Google App Engine? One of the easiest ways to figure out if the..
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20 min morning meditations. A better way to tie your shoes . Cold showers (all of them!). Keys, wallet, phone, badge, and headphones live together. Listen to audio books. Morning runs. Nightly flossing.
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Best places to seek silence . Opening to life @ Dhanakosa Buddhist Retreat Centre . Samye Ling (Tibetan- buddhist monastery) . Vipassana Meditation (centers across world) .
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10% Happier: Mindfulness Meditation Courses with Dan Harris and Joseph Goldstein . Aimless Wandering . Are You in Despair? That’s Good (NY Times) . Beating procrastination . Best 10 life changes . Breathing Exercise: Three To Try | 4-7-8 Breath (Andrew Weil, M.D.) . Contemplative Practice That Isn’t Meditating . Day One - The award-winning journal app for iPhone, iPad, and Mac. . Developing Lotus Flexibility - Preparing Yoga Padmasa....
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Best YouTube channels for learning (Quora) . Effective learning: Twenty rules of formulating knowledge . HN's comments on learning languages . HN's comments on memory . How to Finally Play the Guitar: 80/20 Guitar and Minimalist Music . Learn Difficult Concepts with the ADEPT Method . Learning to learn . Learning to Learn: Intuition Isn’t Optional | BetterExplained . Scientific Speed Reading: How to Read 300% Faster in 20 Minutes .
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Bundi Haveli (accomodation). Hadoti Palace (accomodation). Haveli Braj Bhushan Ji ki (accomodation). Haveli Katkoun Guest House (accomodation). Kasera Paradise (accomodation).
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