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New
The latest blog posts to take off on Hacker News. 4,763 posts.
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Hunting Performance in Python Code: Measuring Memory Consumption
In this post I will talk about some tools that can help us solve a painful problem in Python, especially when using PyPy: memory consumption. Why are we concerned with this in the first place? Why …
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Enough with the dead butterflies
We all have pet peeves, even though there's a lot going on in the world that makes them pretty insignificant. While acknowledging that there are many more
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Oh My Gosh, It’s Covered in Rule 30s
New British train station design identified as cellular automata rule 30. Generating rule-based patterns. And a website that lets you try it yourself.
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WebAssembly: Mozilla Won
Robert O'Callahan. Christian. Kiwi. Software guy. All content human-authored unless otherwise noted.
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Underscore's Scala books are now open source
From today we’re open-sourcing all of our books. They can all be downloaded for free, or you can checkout the source from their Github repositories. In this post I explain why we made this decision and what it means for our books in the future
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Skylake now GA on GCE
We’re pleased to announce several updates to Google Compute Engine that give you more powerful and flexible instances. Google Cloud is the first and only public cloud to deliver Intel’s next-generation Xeon server processor (codenamed Skylake), and starting today, it’s generally available (GA). In addition, we’ve made…
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Compiler Optimizations are Awesome
Another reason for optimizing compilers: It allows us to write simple and obvious code expecting that the compiler will do the optimization. This both reduces the initial defect count and makes the code more maintainable in the long-run. Note that these are also often the simplest optimizations (e.g. a calculation…
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Mary Meeker’s 2017 internet trends report [pdf]
We use data to tell stories of business-related trends we focus on. We hope others take the ideas, build on them & make them better.
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Maybe Skip SHA-3
In 2005 and 2006, a series of significant results were published against SHA-1 [ 1 ][ 2 ][ 3 ]. These repeated break-throughs caused something of a crisis of faith as cryptographers questioned whether we knew how to build hash functions at all. After all, many hash functions from the 1990's had not aged well [ 1 ][ 2…
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On Conference Speaking
I’ve seen quite a bit of the world thanks to being invited to speak at conferences. Since some people are under the impression that serial conference speakers possess some special talents, I’d like to demystify my process by walking you through my latest talk from start to finish.
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Going for the 5 hour workday
Update: it's been a month since my proposal was approved - details at the end. Before my month long vacation I was in a crisis. Now I'm back at work and regardless of the great team and awesome project - I'm feeling the crisis creeping back. It's not the job,
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Goodbye PNaCl, Hello WebAssembly
Historically, running native code on the web required a browser plugin. In 2013, we introduced the PNaCl sandbox to provide a means of bui...
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Imperative Haskell
This post covers essentially the same material as a 5-minute presentation I gave at RC .
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The first genome data from ancient Egyptian mummies
Study finds that ancient Egyptians were most closely related to ancient populations from the Near East.
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Damn Cool Algorithms: Log structured storage (2009)
Typically, if you're designing a storage system - such as a filesystem, or a database - one of your major concerns is how to store the data on disk. You have to take care of allocating space for the objects to be stored, as well as storing the indexing data; you have to worry about what happens when you want to extend…
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Node v8.0.0 Released
Node.js® is a free, open-source, cross-platform JavaScript runtime environment that lets developers create servers, web apps, command line tools and scripts.
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The browser bugs and edge cases of HTTP/2 push
There are lots of edge cases I hadn't considered, and it's very inconsistent between browsers. Here's what I found…
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Counting Clojure Code
For better or worse, we count lines of code. We (hopefully) feel a little dirty when we do it, because it's a flawed metric. But we do it . We do it on large codebases and small code snippets . Even badass hacker David Nolen does it .
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Scandalous Weird Old Things About The C Preprocessor (2015)
Updated 2018-01-21: Added clarification related to assertion about lack of context free nature of the C preprocessor.
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How to Improve a Legacy Codebase
It happens at least once in the lifetime of every programmer, project manager or teamleader. You get handed a steaming pile of manure, if you’re lucky only a few million lines worth, the original programmers have long ago left for sunnier places and the documentation - if there is any to begin with - is hopelessly out…
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