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How to compare floats in Python
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Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 21,835 posts.
14852
Don't use Git rebase
You love rebasing, right? Rewriting history might be appealing, but there are good reasons not to.
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The social side of science seen in the research on programming language quality
I love science. Not the “space is beautiful” faux-science, but the process of doing science. Hours spent calibrating equipment, cross-checking cites of cites of cites, tedious arguments about p-values and prediction intervals, all the stuff that makes science Go. And, when it does happen, the drama. I also want us to…
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Introduction to Microservices
Deliver modern applications with NGINX. Explore high-performance load balancing, API gateways, and web server solutions trusted by top global enterprises.
14856
Fibers, Oh My
Fibers, Oh My! # Written by Dale Weiler, last updated Oct 5th, 2020 Twitter GitHub It’s been brought to the attention of many people in the game development industry that you can use fibers to parallelize your engines and games. This one presentation in particular: Parallelizing the Naughty Dog engine using fibers has…
14857
Finding unique items: hash vs. sort
A while back, I was trying to speed up some code which finds unique items in a collection. For example, transforming "AABBADCAB" => "ABDC" . There are two ways to do this efficiently - one is based on sorting, the other based on hashing. So, which is faster? I couldn't find the answer, so I ran some experiments and…
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OpenSSL CVE-2016-0799: heap corruption via BIO_printf
There are a couple of issues with OpenSSL’s BIO_*printf() functions, defined in crypto/bio/b_print.c, that are set to be fixed in the forthcoming security release. The function that is primar…
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Fast memcpy, a system design
When I worked at Google, fleet-wide profiling revealed that 25-35% of all CPU time was spent just moving bytes around: memcpy, strcmp, copying between user and kernel buffers in network and disk I/…
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Why don't you just rewrite it in X?
Whenever a new programming language becomes popular its fanpersons start evangelizing its virtues by going to existing projects and filing b...
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Accidental complexity, essential complexity, and Kubernetes
Cloud infrastructure for teams that develop, train, and serve AI applications at scale.
14863
Death to type classes
Death (XIII) Symbolizes significant change, transformation, and endings, rather than literal physical death. Have you ever seen a Number grazing in the f
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The Z3 theorem prover is now open source
Explore research at Microsoft, a site featuring the impact of research along with publications, products, downloads, and research careers.
14866
Swift: When Unused Code Is a Bug
Start using this domain right away. Straightforward domain shopping experience. Quick access to your domain.
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An Introduction to C and GUI Programming
An Introductrion to C & GUI Programming, the new book from Simon Long and the Raspberry Pi Press is out now. Get your copy today.
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Splitting a Git Commit
It will ask you hunk by hunk for the things to include in the first commit, and then bring up the editor for the first and second commit message. It couldn’t be simpler than that.
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What's new in Svelte (Dec 2020)
Better tooling, export maps and improvements to slots and context
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Why MongoDB Never Worked Out at Etsy
In 2010ish, we tried to roll out a feature ( Treasury ) using MongoDB. It was an interesting experience. I learned quite a bit in the process. I wrote about what I was thinking at the time here . But for the most part it was an abject failure and Ryan Young wound up porting the entire thing to the MySQL shards which…
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Category Theory, Syntactically (2016)
A blog mostly on math, physics, and computer science.
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PHP Core Security Audit Results
The PHP Foundation — Supporting, Advancing, and Developing the PHP Language
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An Opinionated Treatise on Cosmos, a New Programming Language
Alright, guys. Today I want to talk about programming. It is interesting to note that I have solved it. Yes, I solved it. Here are my…
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Bring your monorepo down to size with sparse-checkout
Git 2.25.0 includes a new experimental git sparse-checkout command that makes the existing feature easier to use, along with some important performance benefits for large repositories.
14877
Persisting React State in LocalStorage
A common thing in React development is that we want to store a bit of React state in localStorage, and re-initialize from that value on the next page-load. This quick tutorial shows you how we can build a custom hook that does exactly this!
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Go Rocks - How Can We Avoid Something This Bad In The Future?
Welcome to my blog, which was once a mailing list of the same name and is still generated by mail. Please reply via the "comment" links.
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Nim Programming Language v0.16.0 released
The Nim programming language is a concise, fast programming language that compiles to C, C++ and JavaScript.
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When your hash becomes a string: Hunting Ruby's million-to-one memory bug
An "impossible" Ruby bug: Hashes becoming Strings at runtime. 2,700 identical crashes. No corruption. Just objects changing what they are. Deep dive.