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I Love Go; I Hate Go
I liked Go right away. It was close enough to C and Java to be instantly familiar, the examples and tutorials were straightforward, and I was quickly writing…
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Does a compiler use all x86 instructions? (2010)
On the Z80 CPU there are so few registers and instructions that you can easily know and use them all and wish there were more of them. However, half of the time it feels like the only on you really use is ld. I imagine that if ld took half the number of clock cycles, average code would run twice as fast.
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How to do distributed locking
As part of the research for my book , I came across an algorithm called Redlock on the Redis website. The algorithm claims to implement fault-tolerant distributed locks (or rather, leases [1]) on top of Redis, and the page asks for feedback from people who are into distributed systems. The algorithm instinctively set…
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Exploring CLI Best Practices
At Localytics we build command line interfaces that manage our infrastructure and processes. This is our list of best practices that we’ve learned.
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A Git catastrophe cleaned up
From the highly eclectic blog of Mark Dominus
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Coding without Google
Back in 2016, an intriguing article appeared on Reddit: “Do Experienced Programmers Use Google Frequently?”. The author discussed if expert programmers use google more often than novice coders. He mentioned that using google is a good thing. It helps to find the best solutions, validate ideas, speed the development…
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Andl, a relational language that is not SQL, is coming to Postgres
Postgres is “the world’s most advanced open source database”. It is a highly capable database server, and is ordinarily accessed using SQL queries. Postgres is also highly customisable, with the ability to add new functions, new data types and even new languages. There are currently several language implementations…
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Clojure 1.8
We are pleased to announce the release of Clojure 1.8. Some of the new features for 1.8 are: More string functions in clojure.string (portable to ClojureScri...
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Immutability is not enough
Immutable data structures – also known as persistent or purely functional data structures – are a key part of modern functional programming. Once created, immutable data structures cannot be modified. Instead, they support operations which efficiently produce a new copy of the structure with the desired changes…
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Log Structured Merge Trees
A detailed look at the interesting LSM file organisation seen in BigTable, Cassandra and most recently MongoDB.
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Scrapy Tips from the Pros
Scrapy Tips from the Pros: Part 1 - Learn from seasoned web scrapers with our expert tips series. Optimize your scraping projects for success.
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Comparing Rust and Java
It may not be obvious from my other blog entries, but I work as a Java developer. I also freely confess to enjoy it, which probably makes me part of some minority.
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Comparing Git Workflows
A git feature branch is a temporary branch used for development or testing purposes. Learn about the best way to manage them using this guide!
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Finger Trees: A Simple General-Purpose Data Structure (2006)
Finger Trees: A Simple General-purpose Data Structure
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gRPC: Internet-scale RPC framework is now 1.0
Building highly scalable, loosely coupled systems has always been tough. With the proliferation of mobile and IoT devices, burgeoning data volumes and increasing customer expectations, it's critical to be able to develop and run systems efficiently and reliably at internet scale.
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People suck at technical interviews (2014)
Most technical interviews test the wrong things: memorized syntax, whiteboard coding, brand-name employers. Instead, hire for learning ability, intellectual honesty, clear communication, and basic decency. "Team fit" is bias in disguise. Homogeneity means you're hiring wrong. Good hiring is hard and slow, but worth it.
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500 Byte Images: The Haiku Vector Icon Format
Haiku uses a custom vector image format to store icons. This is surprising both because most OSes consider bitmaps to be totally sufficient to represent icons and because there are plenty of vector graphics formats out this (e.g. SVG). The goal of the Haiku Vector Icon Format (HVIF) is to make vector icon files as…
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Bringing ChakraCore to Linux and OS X
In January, we open-sourced ChakraCore, the core of the Chakra JavaScript engine that powers Microsoft Edge and Universal Windows Platform. We expressed our ambition to bring our best-in-class, but Windows-only, JavaScript engine to other platforms, with Linux as the prioritized target. Today at NodeSummit, we are…
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New for AWS Lambda – Environment Variables and Serverless Application Model
I am thrilled by all of the excitement that I see around AWS Lambda and serverless application development. I have shared many serverless success stories, tools, and open source projects in the AWS Week in Review over the last year or two. Today I would like to tell you about two important additions to Lambda: […]
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