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Principles of Rich Web Applications
7 actionable principles for websites that want to make use of JavaScript to control their UI and deliver the best performance
Most cited
Posts that commenters keep linking to, ranked by how many different people have cited them in Hacker News comments. 2,232 posts.
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The little ssh that (sometimes) couldn't
Preface This is a technical article chronicling one of the most interesting bug hunts I’ve had the pleasure of chasing down. At AdGear Technologies Inc. where I work, ssh is king. We use it for management, monitoring, deployments, log file harvesting, even some event streaming. It’s solid, reliable, has all the…
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O(n^2), again, now in Windows Management Instrumentation
I recently hit some multi-minute delays on my workstation. After investigating I found that the problem was due to a lock being held for five minutes, and during that time the lock-holder was mostl…
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Auditing GitHub users’ SSH key quality
If you have just/as of late gotten an email about your keys being revoked, this is because of me, and if you have, you should really go through and make sure that no one has done anything terrible to you, since you have opened yourself to people doing very mean things to you for what is most likely a very long time.
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We should all be using dependency cooldowns
See cooldowns.dev for up-to-date information on cooldown adoption across various languages and package ecosystems.
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Someone’s Been Messing with My Subnormals
TL;DR: After noticing an annoying warning, I went on an absurd yak shave, and discovered that because of a tiny handful of Python packages b...
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Performance comparison: counting words in Python, Go, C++, C, Awk, Forth, Rust
Performance comparison of counting and sorting word frequencies in various languages (Python, Go, C++, C, AWK, Forth, and Rust)
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Maintain It with Zig
No matter what language you program in or what applications you use: everything you do with a computer today is powered at some level by a piece of C/C++ code.
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Is WebP really better than JPEG?
If you have used tools like Google’s PageSpeed Insights, you probably have run into a suggestion to use “next-gen image formats”, namely Google’s WebP image format. Google claims that their WebP…
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From Design Patterns to Category Theory (2017)
How do you design good abstractions? By using abstractions that already exist.
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Our Software Dependency Problem
For decades, discussion of software reuse was far more common than actual software reuse. Today, the situation is reversed: developers reuse software written by others every day, in the form of software dependencies, and the situation goes mostly unexamined.
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Light Table's Numbers, And What's Happening Next
All I can say is “wow”! The response to Light Table has been far more positive and far greater than I could’ve imagined. To put it into perspective, here are some aggregated numbers at the time of this writing:
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Game Loop
If there is one pattern this book couldn’t live without, this is it. Game loops are the quintessential example of a “game programming pattern”. Almost every game has one, no two are exactly alike, and relatively few programs outside of games use them.
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Why LSP?
LSP (language server protocol) is fairly popular today. There's a standard explanation of why that is the case. You probably have seen this picture before:
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Modern SAT solvers: fast, neat and underused
Before I started doing research, I saw SAT solvers as academically interesting but without practical uses ouside of other academic applications. I've since then changed my mind, and I want to change yours, because modern SAT solvers are neat, fast and almost criminally underused by the industry.
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The 9 lines of code that Google allegedly stole from Oracle
After reading about the Oracle v. Google trial I looked up the famous 9 lines of code that Google allegedly stole from Oracle, which implement the rangeCheck method for arrays. Note that arrays and…
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A Spectre is Haunting Unicode
In 1978 Japan's Ministry of Economy, Trade and Industry established the encoding that would later be known as JIS X 0208, which still serves as an important reference for all Japanese encodings. However, after the JIS standard was released people noticed something strange - several of the added characters had no…
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The Illustrated Word2vec
Discussions: Hacker News (347 points, 37 comments), Reddit r/MachineLearning (151 points, 19 comments) Translations: Chinese (Simplified), French, Korean, Portuguese, Russian “There is in all things a pattern that is part of our universe. It has symmetry, elegance, and grace - those qualities you find always in that…
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Quake 2 Source Code Review
I spent about a month in my spare time reading the source code of Quake II. It was a wonderful learning experience since one major improvement in idTech3 engine was to unify Quake 1, Quake World and QuakeGL into one beautiful code architecture. The way modularity was achieved even though the C programming language…
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My Go Resolutions for 2017
’Tis the season for resolutions, and I thought it would make sense to write a little about what I hope to work on this year as far as Go is concerned.
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What's bad about Julia?
A mega-rant about all the things I find bad about Julia.
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Xkcd-Style Plots in Matplotlib (2012)
Update: the matplotlib pull request has been merged! See This post for a description of the XKCD functionality now built-in to matplotlib!
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Is High Quality Software Worth the Cost?
We usually perceive that it costs more to get higher quality, but software internal quality actually reduces costs.
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A practical introduction to functional programming (2013)
Many functional programming articles teach abstract functional techniques. That is, composition, pipelining, higher order functions. This one is different. I...
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