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New
The latest blog posts to take off on Hacker News. 1,420 posts.
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Simply Secure PHP Cryptography
A reflection on the first six months of the year, ext/sodium landing in PHP 7.2, and where to go from here.
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Toward Go 2
How we will all work together toward Go 2.
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The language of choice
Propositional logic was discovered by Stoics around 300 B.C., only to be abandoned in later antiquity and rebuilt in the 19th century by George Boole’s successors. One of them, Charles Peirce, saw its significance for what we now call logic circuits, yet that discovery too was forgotten until the 1930s. In the ’50s…
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Mathematical Proof That the Lightning Network Cannot Be a Decentralized Bitcoin Scaling Solution
Have you heard of the Bitcoin Lightning Network? It is a proposal that claims that:
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The long arrow operator in C++
Dr Ivan Čukić -- author of the 'Functional Programming in C++' book, KDE developer and Free/Libre Software enthusiast.
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Getting Started with Event Sourcing in Postgres
In a previous post we explored how our application tracks sent emails. We set things up to update or insert a record for each email with the current state (delivered, dropped, etc). In this post we'll look at an alternative data model where we'll store each event as its own record and then roll up t
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ClojureScript Is Not An Island: Integrating Node Modules
ClojureScript has had first class JavaScript interop since its initial release in 2011. Similarly to Clojure, embracing the host has always been an explicit goal. While the above is true from a syntax standpoint, integrating with external JavaScript libraries historically came at the cost of some manual work [ 1 ] (…
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How to build a JavaScript package manager
Hello everyone! Today, we’re gonna write a new package manager, even better than Yarn! Ok, maybe not, but at least we’re gonna have some fun, learn how packa...
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27000 errors in the Tizen operating system
This article will demonstrate that during the development of large projects static analysis is not just a useful, but a completely necessary part of the development process. This article is the first...
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How Discord Scaled Elixir to 5M Concurrent Users
Discover the latest news and app updates, stories, company insights, and plenty more about Discord, all in one place.
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JDK 9: Pitfalls for the Unwary
JDK 9 is in the final phases of development, heading towards release on September 21st. The public review consideration ballot for the Java Platform
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Using Tesseract OCR with Python
In this tutorial you will learn how to apply Optical Character Recognition (OCR) to images using PyTesseract, Python, and OpenCV.
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Build a Serverless Web Applicaion
Amazon Textract is a machine learning (ML) service that uses optical character recognition (OCR) to automatically extract text, handwriting, and data from scanned PDF documents, forms, and tables.
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How Rust is tested
Rust is a systems programming language with massive ambitions. It is designed for creating the most reliable software, from the tiniest embedded systems to multi-million line behemoths, and its users need to have confidence that it is fit for purpose.
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Datomic: this is not the history you're looking for
In this post, I'll describe some common pitfalls regarding the use of the 'time-travel' features of Datomic ( db.asOf() , db.history() , :db/txInstant ).
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Postgres Job Queues and Failure by MVCC
How Postgres’ concurrency model coupled with long-lived transactions can degrade the performance of indexes on hot tables in your database.
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Writing a Service Worker
This website is for sale! hacklabo.com is your first and best source for all of the information you’re looking for. From general topics to more of what you would expect to find here, hacklabo.com has it all. We hope you find what you are searching for!
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Elevate your C programming skills by exploring the SQLite codebase
Articles about C/C++ code quality, software architecture, static analysis and CppDepend.
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Minimal PDF
Most PDF files do not look readable in a text editor. Compression, encryption, and embedded images are largely to blame. After removing these three components, one can more easily see that PDF is a human-readable document description language.
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The Re-Frame Guide: Front-End Architecture in Clojure
This Re-frame tutorial walks you through the main parts of Re-frame's structure, how they work together, and how they help you succeed in the long run building your single page application.
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Linux tracing systems and how they fit together
Linux tracing systems & how they fit together
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URLs are UI
What a great title. 'URLs are UI.' Pithy, clear, crisp. Very true. I've been ...