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Sequoia Capital memo to their portfolio founders on Coronavirus
Here is a note that we sent to Sequoia founders and CEOs today to provide guidance on how to ensure the health of their business while…
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PostgreSQL 13 Beta 1 Released
The PostgreSQL Global Development Group announces that the first beta release of PostgreSQL 13 is now [available for download](https://www.postgresql.org/download/). This …
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How NASA and ISRO discovered water on the Moon
The story of finding water on the Moon spans at least two decades and multiple space agencies, culminating in renewed lunar exploration plans across the world.
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Lambda Calculus Diagrams (2015)
The following table shows diagrams of identity, the booleans, some standard combinators, some Church numerals, the predecessor function on Church numerals, and Omega. term definition diagram alternative I/1 λx.x K/true λx.λy.x false/0 λx.λy.y S λx.λy.λz.(x z)(y z) Y λf.(λx.x x)(λx.f(x x)) 2 λf.λx.f(f x) 3 λf.λx.f(f(f…
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Jepsen: Scylla 4.2-rc3
Scylla is a distributed wide-column 1 database which originated as a C++ port of Cassandra, aiming for improved performance. It supports both Cassandra- and DynamoDB -compatible APIs, and is intended for high-throughput, low-latency workloads, including analytics, messaging, and other time-series data.
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Finding Gene Cernan's Missing Moon Camera
It’s often repeated how most of the cameras that landed on the moon stayed on the moon. Gene Cernan had been telling the story of how he left his camera on the lunar rover for years, recounting the tale in interviews. Looking closer, however, you being to unravel a space-age mystery.
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Mental models for designers (2019)
At Dropbox, our Brand Guidelines help us infuse everything we make with identity. From icons to illustration, logos to language, this collection is the foundation for how Dropbox looks, feels, and sounds like Dropbox.
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A New Back End for Cranelift
This post will describe my recent work on Cranelift as part of my day job at Mozilla. In this post, I will set some context and describe the instruction selection problem. In particular, I’ll talk about a revamp to the instruction selector and backend framework in general that we’ve been working on.
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Climate-Driven Megadrought Is Emerging in Western U.S., Says Study
Scientists say a long-feared megadrought, worse than anything in recorded history, seems to be starting up in southwestern North America.
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Go Developer Survey 2019 Results
An analysis of the results from the 2019 Go Developer Survey.
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Weighing a Car with Tire Pressures
The first thing I wanted to do with my Saab 96 was to establish a baseline weight.
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Project Loom and Structured Concurrency
Project Loom is one of the major “projects” in which Java is moved forward, alongside the perhaps better known projects Amber and Valhalla. It will bring “virtual” threads with low resource footprint and low cost of blocking to the Java plaform. Here is my annual advent season update, this time with a focus on…
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Software Freedom Conservancy: New Strategy for GPL Enforcement
Software Freedom Conservancy, the only organization actively engaged in General Public License (GPL) enforcement and compliance work for Linux, announces today a new strategy toward improving compliance and the freedom of users of devices that contain Linux-based systems. The new work has received an initial grant…
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Writer: An Open Digital Typewriter (2018)
TL;DR: A digital typewriter based on a Raspberry Pi and an E-Ink screen. The code/build instructions are available on GitHub .
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How to GraphQL with Ruby, Rails, Active Record, and No N+1
An exhaustive hands-on guide for dealing with N+1 problem in database-backed Ruby or Rails applications that use Active Record and serve the GraphQL APIs
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Toward an API for the Real Numbers
Towards an API for the real numbers, Boehm, PLDI’20 Last time out we saw that even in scientific computing applications built by experts, problems with floating point numbers are commonplace. …
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Updates to form controls and focus
HTML form controls provide the backbone for much of the web's interactivity. They're easy for developers to use, have built-in accessibilit...
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Google Cloud SQL now supports PostgreSQL 13
Fully managed Cloud SQL cloud database service now supports PostgreSQL 13.
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Using SIMD to aggregate billions of values per second
How SIMD instructions make aggregations faster in QuestDB, including benchmark results and a comparison with Postgres.
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The Web is the Next Platform (1995)
I started working full-time on what became Internet Explorer 1.0 in early October, 1994, grew the engineering team to 67 individuals by the time we shipped IE 3.0 in August, 1996, and got very litt…
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How important are 'economies of scale'?
How important are 'economies of scale' in production and innovation?
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