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Grokking Diesel, Rust's ORM
Diesel (http://diesel.rs) is an ORM (Object-relational mapper) and Query Builder written in Rust. It supports Postgresql, Mysql and SQLite…
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A reasonably speedy Python ray tracer
Cyrille Rossant's small ray-tracer is an nice self-contained Python program (using NumPy) that renders this 400×300 image in about 15 seconds on a fast PC:
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Connecting to Google Sheets with Python
I wrote up my experience using Python to process data from a shared Google Sheets spreadsheet
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Why isn't memset() async-signal-safe?
Really, POSIX? Really? memset() isn't async-signal-safe? How is it not safe? … oh … that's why
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Reading Simple Haskell
-> is right associative, The function definitions from the previous slide will be parsed like this:
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MySQL vs. MariaDB: Reality Check
Choosing between MariaDB and MySQL? In this blog, we provide an overview of the key differences between MariaDB vs. MySQL and explore their unique use cases.
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Realizing Hackett, a metaprogrammable Haskell
Almost five months ago, I wrote a blog post about my new programming language, Hackett , a fanciful sketch of a programming language from a far-off land with Haskell’s type system and Racket’s macros. At that point in time, I had a little prototype that barely worked, that I barely understood, and was a little bit of…
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A ReasonReact Tutorial
An in-depth introduction to Reason/OCaml and the official React.js bindings, aimed at JavaScript developers.
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Is Semantic Versioning an Anti-Pattern?
The classic X.Y.Z style of software numbering, sometimes known as Semantic Versioning, may be hurting more than it helps. Semver.org has codified how these numbers should be used for some cases, describing what is meant by the major and minor version numbers, when to change them, what
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Diving into the world of hash tables
Diving into the world of Hash Tables and understanding the underlying mechanics is extremely interesting, and very rewarding. So let's get into it and get started from the beginning. They are used commonly in algorithm design.
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Epoll is fundamentally broken
This time we'll focus on Linux's select(2) successor - the epoll(2) I/O multiplexing syscall.
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What the heck is a parser-combinator?
Introduction to parser combinators. Understand this functional programming concept for building parsers from smaller components.
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Undefined vs. Unsafe in Rust
Recently Julia Evans wrote an excellent post about debugging a segfault in Rust. (Go read it, it’s good) One thing it mentioned was I think “ …
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Why TDD isn't crap
After my recent vitriol about unit testing, a couple of people sent me Why TDD is Crap as a thorough debunking of TDD and unit testing. As someone very interested in software correctness, I ended up writing a debunking of his debunking. Transcriptions will be in quotes, my responses below. Some important notes: From…
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Kotlin/Native Tech Preview: Kotlin without a VM
We are happy to announce the first Technology Preview of Kotlin/Native that compiles Kotlin directly to machine code. The Kotlin/Native compiler produces standalone executables that can run without an
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TwilioQuest, a new way to learn Twilio
TwilioQuest is a fun, self-directed way to quickly learn how to use Twilio. The game teaches our cloud communications APIs while rewarding loot and XP.
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Apollo Server 1.0 – GraphQL Server for Node.js Frameworks
Today, after more than a year of development, testing and production use, we’re proud to announce the 1.0 release of Apollo Server ! 🎉
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Gnirehtet rewritten in Rust
Several months ago, I introduced Gnirehtet , a reverse tethering tool for Android I wrote in Java.
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Turning Sublime Text into a Lightweight Python IDE
A solid text editor is a developer’s best friend. You use it constantly and it becomes like a second pair of hands. The keyboard commands you use daily become so engrained in your muscle memory that you stop thinking about them entirely.
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Software architecture is failing
I doubt there has ever been a time when software architecture was seen as a raging success. The “three-tier architecture” of the web has held up extremely well and is an excellent place for many people to start. The “12 Factor App” approach has encouraged developers to adopt practices that make deployment and scaling…
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Moving Java Forward Faster
For over twenty years the Java SE Platform and the JDK have evolved in large, irregular, and somewhat unpredictable steps. Each feature release has been driven by one or a few significant features, and so the schedule of each release has been adjusted as needed — sometimes more than once! — in order to accommodate the…
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Lessons Learned from “On Writing Well”
The article is a summary of my lessons learned from On Writing Well by William Zinsser. By providing a summary I hope to help other developers to improve their writing. Apart from that it helps me to memorize my lessons learned.
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Filesystem error handling
We’re going to reproduce some results from papers on filesystem robustness that were written up roughly a decade ago : Prabhakaran et al. SOSP 05 paper , which injected errors below the filesystem and Gunawi et al. FAST 08 , which looked at how often filesystems failed to check return codes of functions that can…