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Low-Competition Niches In Retail Software
This is a guest post by Joannes Vermorel, founder of the Lokad Forecasting Service. Software developers seem to be herd animals. They like to stay very close to each other. As a result, the marketp…
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 21,843 posts.
18812
Voyage-code-3
TL;DR – Introducing voyage-code-3, our next-generation embedding model optimized for code retrieval. It outperforms OpenAI-v3-large and CodeSage-large by an average of 13.80% and 16.81% on a suite …
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Compilers and IRs: LLVM IR, SPIR-V, and MLIR
Overall discussion on compilers and IRs (LLVM IR, SPIR-V, and MLIR): why they are in their current manner and how they would evolve
18815
Automating Dead Code Cleanup
Meta’s Systematic Code and Asset Removal Framework (SCARF) has a subsystem for identifying and removing dead code. SCARF combines static and dynamic analysis of programs to detect dead code from bo…
18816
Rust: Investigating an Out of Memory Error
TL;DR: We discovered the hard way that when backtrace is enabled, the anyhow library is capturing a backtrace on every error. Only when printing this error in debug format!(”err: {:?}”, error) backtrace’s symbols are resolved to human-friendly names, thus leading to a significant memory increase for your application…
18817
Data notation in Clojure
Homoiconicity (code as a data structure) is one of the pillars of the Clojure language. It gives the extensibility and flexibility to the language.
18818
Message Queues: A Simple Guide with Analogies (2024)
This guide explains message queues with analogies: databases, warehouses and post offices.
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Qt 5.8 Alpha released
Explore the Qt Blog for the latest insights on e.g. Qt Creator, your go-to source for cross-platform development tips and updates.
18821
Living with Microsoft C++ Compiler Bugs and Ambiguities
It’s no secret that the Microsoft Visual C++ compiler has lots of non-standard behaviors. What’s even more unfortunate is that those behaviors are subsequently used by different libraries. Ultimately,
18822
Understanding Glibc Malloc (2015)
I always got fascinated by heap memory. Questions such as How heap memory is obtained from kernel? How efficiently memory is managed? Is it managed by kernel or by library or by application itself?…
18823
Range joins in DuckDB
DuckDB has fully parallelized range joins that can efficiently join millions of range predicates.
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X86 boot sector written in C (2010)
Writing an MS-DOS-compatible boot sector in C: parsing the FAT BIOS parameter block, finding IO.SYS, and loading it via BIOS INT 13h in real mode.
18827
Rep and Ren: A new approach to CLI find, replace, and renaming
This post is about two new command-line utilities: rep and ren. Both are available on GitHub.
18828
Using strace to figure out how Git push over SSH works
Yesterday I was curious about how git push works over SSH. I’m getting more used to using strace to figure this kind of thing out, so I gave it a shot. If I strace pushing to this site’s repository, this shows up:
18829
Interactive NBA Shot Charts with R and Shiny
Make your own NBA shot charts. Open-source, interactive dashboard interface to NBA Stats API built with R and Shiny
18830
Qt Creator 4.0.0 released
Explore the Qt Blog for the latest insights on e.g. Qt Creator, your go-to source for cross-platform development tips and updates.
18831
Decoding UTF8 with parallel extract
As a side-quest I recently decided to write a branchless utf8 decoder utilizing the pext or "parallel extract" instruction. It's compliant with rfc-3629 , meaning that it doesn't just naively decode the code-point but also checks for overlong encoding, surrogate pairs and such. Compiled with gcc -O3 -march=x86-64-v3…
18832
The Computer Graphics Library
Back in the 90s, one book was ubiquitous in the world of Computer Graphics. Commonly called "The CG Bible", Computer Graphics: Principles and Practice gathered a huge part of the knowledge of the time. It was commonly referenced by the best programmers of that era in interviews and articles . By 1998, the book…
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AWS Lambda Supports Python 3.7
Discover more about what's new at AWS with AWS Lambda Supports Python 3.7
18834
Depth of field blur: the Swiss army knife that improved the framerate
Depth of field blur is an effect that is used in many modern games as a cool graphics effect. A nice example of this is of course my own gam...
18835
Yes, learn basic programming
Derek Sivers official site. Thoughts on philosophy, culture, self-improvement. Author of Useful Not True, How to Live, Hell Yeah or No, Anything You Want.
18836
When the fractional part of a float fixes your shader
A write-up of a full shader debugging session to find out why my Voronoi Diagram shader was stuttering in one specific machine.
18837
Ruby on Rails Tutorial, second edition (updated for Rails 3.2)
News & blog about Learn Enough (including the Ruby on Rails Tutorial)
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Cthulhu: Organizing Go Code in a Scalable Repo
Helping millions of developers easily build, test, manage, and scale applications of any size - faster than ever before.
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Modern Perl, the book, is Available.
After countless commits, the generosity of dozens of proofreaders, and far too long proofreading the index, Modern Perl: the book is available! You can buy a lovely print version from any well-stocked online vendor (and you're more than welcome to...