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I admit, like many of my compatriots in this last year and a half, I follow a lot more tennis than usual, and it is all the fault (or merit) of Jannick Sinner. The top-level pro tennis field appears distant, privileged, brilliant and rewarding. We appreciate the immense talent of these players and sympathize with the struggle and stress they undergo. We praise their character, determination, and mental strength. They make a lot of money, so..
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Fearless Concurrency Ep.1: Rust's Approach to Safe and Manageable Multithreading
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www.ardanlabs.com
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1 year ago
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eng
Introduction: In Episode 1 of the Fearless Concurrency in Rust series, Herbert Wolverson introduces the foundational concept of threads in programming, tracing their origins and evolution while demonstrating how Rust handles concurrency in a safer, more manageable way. He explores the history of threads and their role in enabling programs to perform multiple tasks simultaneously, comparing Rust’s threading model with traditional approach..
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This is part 4 from series “Tiny Great Languages”. Final code is on Github. Part 1: Assembly. Part 2: BASIC. Part 3: Forth/MOUSE. Part 4: Lisp. Part 5: APL/K. Part 6: PL/0. Done with the concatenative language MOUSE, we can now turn our attention to another small and elegant language from way back: Lisp. Lisp is famous for its minimalist syntax (similar to Forth, the parser is almost nonexistent) and its clear, logical evaluation rules.
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This is part 4 from series “Tiny Great Languages”. Final code is on Github. Part 1: Assembly. Part 2: BASIC. Part 3: Forth/MOUSE. Part 4: Lisp. Part 5: APL/K. Part 6: PL/0. Done with the concatenative language MOUSE, we can now turn our attention to another small and elegant language from way back: Lisp. Lisp is famous for its minimalist syntax (similar to Forth, the parser is almost nonexistent) and its clear, logical evaluation rules.
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Reflecting on my journey with computers, from the C64 and Amiga 500 to the present day, I've found a renewed excitement in software development. New tools like repl.it and websim.ai empower rapid creation of full-stack, disposable web apps – software built for personal use and easily discarded. This ease of creation removes the barrier to starting projects, making the web an ideal platform for even single-user applications. It's a shift fr..
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Reflecting on my journey with computers, from the C64 and Amiga 500 to the present day, I've found a renewed excitement in software development. New tools like repl.it and websim.ai empower rapid creation of full-stack, disposable web apps – software built for personal use and easily discarded. This ease of creation removes the barrier to starting projects, making the web an ideal platform for even single-user applications. It's a shift fr..
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Strokkur The main attraction at Geysir is Strokkur, a geyser that supposedly erupts about every 10 minutes. While we were there, it seemed to erupt about every 5 minutes! We saw more than half a dozen eruptions, and the height varied a lot. Geysir The namesake of Geysir, this geyser is a stone’s throw from Strokkur, but nowadays is dormant...
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Strokkur The main attraction at Geysir is Strokkur, a geyser that supposedly erupts about every 10 minutes. While we were there, it seemed to erupt about every 5 minutes! We saw more than half a dozen eruptions, and the height varied a lot. Geysir The namesake of Geysir, this geyser is a stone’s throw from Strokkur, but nowadays is dormant...
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We’re excited to announce a new Snyk AppRisk integration with Orca Security that brings together application security from Snyk and leading cloud security from Orca.
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Caching can be super complicated in MediaWiki because there are many different types of cache. This article goes over what to do for each kind.
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Caching can be super complicated in MediaWiki because there are many different types of cache. This article goes over what to do for each kind.
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Caching can be super complicated in MediaWiki because there are many different types of cache. This article goes over what to do for each kind.
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Caching can be super complicated in MediaWiki because there are many different types of cache. This article goes over what to do for each kind.
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Caching can be super complicated in MediaWiki because there are many different types of cache. This article goes over what to do for each kind.
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Caching can be super complicated in MediaWiki because there are many different types of cache. This article goes over what to do for each kind.
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Caching can be super complicated in MediaWiki because there are many different types of cache. This article goes over what to do for each kind.
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Well-ingrained into every Emacs user is the echo area, a one-stop shop to receive any kind of message from the editor, located at the bottom of the frame. Posting messages to this area from elisp couldn't be simpler: (message "Hello world") If we want to get a little fancier, we can propertize the text to add some styling. (message (propertize "hello " 'face '(:foreground "#C3E88D")) (propertize "world" 'face '(:foreground "#FF5370"....
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This is part 3 from series “Tiny Great Languages”. Final code is on Github. Part 1: Assembly. Part 2: BASIC. Part 3: Forth/MOUSE. Part 4: Lisp. Part 5: APL/K. Part 6: PL/0. Let’s go Forth. A concatenative language available on early computers, a great example of how small, elegant languages can be both powerful and efficient. I’ve already covered building a proper Forth from the ground up in an earlier post.
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We’re going to be writing a BF compiler for a class I’m in. Last night I threw together a little interpreter for the program in about an hour; it doesn’t do input—that should be easy to add—but it’s enough to handle some benchmarks for the language, albeit slowly. You can see my repository on Codeberg for the source code. I needed one function to do two closely related jobs—the logic was identical, but some parameters needed to chan....
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This is part 3 from series “Tiny Great Languages”. Final code is on Github. Part 1: Assembly. Part 2: BASIC. Part 3: Forth/MOUSE. Part 4: Lisp. Part 5: APL/K. Part 6: PL/0. Let’s go Forth. A concatenative language available on early computers, a great example of how small, elegant languages can be both powerful and efficient. I’ve already covered building a proper Forth from the ground up in an earlier post.
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We’re going to be writing a BF compiler for a class I’m in. Last night I threw together a little interpreter for the program in about an hour; it doesn’t do input—that should be easy to add—but it’s enough to handle some benchmarks for the language, albeit slowly. You can see my repository on Codeberg for the source code. I needed one function to do two closely related jobs—the logic was identical, but some parameters needed to chan....
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In the context of Alejandro Colomar stepping down as a man-pages maintainer :(, I learned from him that it is possible with git to create an email patch set that spans multiple target repositories. Specifically, he pointed to a review thread by Jiri Olsa where this was done, and whose outline takes a similar shape to this (simplified): [PATCH proj v3 0/3] foobar: Add transmogrifier [PATCH proj v3 1/3] foobar: Prepare flux compe....
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In the context of Alejandro Colomar stepping down as a man-pages maintainer :(, I learned from him that it is possible with git to create an email patch set that spans multiple target repositories. Specifically, he pointed to a review thread by Jiri Olsa where this was done, and whose outline takes a similar shape to this (simplified): [PATCH proj v3 0/3] foobar: Add transmogrifier [PATCH proj v3 1/3] foobar: Prepare flux compe....
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In the context of Alejandro Colomar stepping down as a man-pages maintainer :(, I learned from him that it is possible with git to create an email patch set that spans multiple target repositories. Specifically, he pointed to a review thread by Jiri Olsa where this was done, and whose outline takes a similar shape to this (simplified): [PATCH proj v3 0/3] foobar: Add transmogrifier [PATCH proj v3 1/3] foobar: Prepare flux compe....
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In the end we won because the open source community started to converge on distributed version control and we were the only ones in the hosting space that truly cared about how developers worked at all. The only ones who questioned it, approached it from first principles, tried to make it better holistically rather than just throwing more features onto something existing in order to sell it. Full story here . A great run-down by Scott C..
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Ransomware makes up 154 million of the threats Cisco blocks monthly; information stealers make up 246 million more. However, the continued evolution of online threats from ransomware and persistent bad actors is only one small piece of the risk management puzzle. Security leaders are not only responding to more sophisticated and expanding threats, but they’re […] The post Where Do I Start With SASE Evaluations? Gartner® Report appeared ..
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This is part 2 from series “Tiny Great Languages”. Final code is on Github. Part 1: Assembly. Part 2: BASIC. Part 3: Forth/MOUSE. Part 4: Lisp. Part 5: APL/K. Part 6: PL/0. Meet BASIC, the king of home computing in the late 1970s. Originally designed to promote computer literacy in schools, BASIC inspired a whole generation of professional software engineers. BASIC typically combined a simple text editor with a command shell and interpreter..
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This is part 2 from series “Tiny Great Languages”. Final code is on Github. Part 1: Assembly. Part 2: BASIC. Part 3: Forth/MOUSE. Part 4: Lisp. Part 5: APL/K. Part 6: PL/0. Meet BASIC, the king of home computing in the late 1970s. Originally designed to promote computer literacy in schools, BASIC inspired a whole generation of professional software engineers. BASIC typically combined a simple text editor with a command shell and interpreter..
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5 reasons why developers at FinServ institutions are outpacing their security teammates
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snyk.io
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1 year ago
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eng
Learn why the development practices at financial services companies are outpacing older security technologies and techniques.
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In this post, we are going to take a deep dive into pointer tagging, where metadata is encoded into a word-sized pointer. Doing so allows us to keep a compact representation that can be passed around in machine registers. This is very common in implementing dynamic programming languages, but can really be used anywhere that additional runtime information is needed about a pointer. We will look at a handful of different ways these pointers c..
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Andrew Wilkinson's autobiography on his path to become an accidental billionaire. Captivating and full of little golden nuggets to pick up by aspiring entrepreneurs.
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Reply to Improving how I handle secrets in my work notes The nice thing about auth-source is that it has a pluggable backend - it can be used with any password store like OS keyring, password manager, etc. See some backends at https://melpa.org/#/?q=auth-source- and https://github.com/search?q=%22auth-source%22+language%3A%22Emacs+Lisp%22+&type=repositories I use it with the 1password …
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Keyword arguments in Python aren't free. Switching from PyArg_ParseTupleAndKeywords to METH_FASTCALL and manual parsing yields a 35% speedup in function calls.
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Keyword arguments in Python aren't free. Switching from PyArg_ParseTupleAndKeywords to METH_FASTCALL and manual parsing yields a 35% speedup in function calls.
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This is part 1 from series “Tiny Great Languages”. Final code is on Github. Part 1: Assembly. Part 2: BASIC. Part 3: Forth/MOUSE. Part 4: Lisp. Part 5: APL/K. Part 6: PL/0. Decades ago, I wrote my first interpreter – a Turtle Graphics IDE designed to help kids at my school learn programming. I built it in Pascal, and to this day, I still wonder how I managed to make it work without any formal knowledge of writing interpreters.
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This is part 1 from series “Tiny Great Languages”. Final code is on Github. Part 1: Assembly. Part 2: BASIC. Part 3: Forth/MOUSE. Part 4: Lisp. Part 5: APL/K. Part 6: PL/0. Decades ago, I wrote my first interpreter – a Turtle Graphics IDE designed to help kids at my school learn programming. I built it in Pascal, and to this day, I still wonder how I managed to make it work without any formal knowledge of writing interpreters.
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what is going on - Alright so I left my job two weeks ago. 22nd of August was my last day at Kurtosis. Its been a little over two weeks and I have decided to start writing on this blog again. I want to write about my learnings and any experiences I have had in...
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