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Answering Your Toughest Questions About Leaving AWS

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💥 Read this insightful post from Hacker News 📖 📂 Category: 📌 Main takeaway: When we published How moving from AWS to Bare-Metal saved us $230,000 /yr. in 2023, the story travelled far beyond our usual readership. The discussion threads on Hacker News and Reddit were packed with sharp questions: did we skip Reserved Instances, how do we fail over a single rack, what about the people cost, and when is cloud still the better answer? This follow-up is our long-form reply.Over the last twenty-four months we:Ran the MicroK8s + Ceph stack in production for 730+ days with 99.993% measured…

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SpiderMonkey garbage collector — Firefox Source Docs documentation

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🚀 Read this must-read post from Hacker News 📖 📂 Category: ✅ Main takeaway: The SpiderMonkey garbage collector is responsible for allocating memory representing JavaScript data structures and deallocating them when they are no longer in use. It aims to collect as much data as possible in as little time as possible. As well as JavaScript data it is also used to allocate some internal SpiderMonkey data structures.The garbage collector is a hybrid tracing collector, and has the following features: Description of features Precise collection The GC is ‘precise’ in that it knows the layout of allocations (which is used…

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Blocked

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🔥 Read this insightful post from Hacker News 📖 📂 Category: 📌 Key idea: Blocked Your request has been blocked due to a network policy. Try logging in or creating an account here to get back to browsing. If you're running a script or application, please register or sign in with your developer credentials here. Additionally make sure your User-Agent is not empty and is something unique and descriptive and try again. if you're supplying an alternate User-Agent string, try changing back to default as that can sometimes result in a block. You can read Reddit's Terms of Service here.…

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Google Online Security Blog: HTTPS by default

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🚀 Discover this trending post from Hacker News 📖 📂 Category: 💡 Here’s what you’ll learn: One year from now, with the release of Chrome 154 in October 2026, we will change the default settings of Chrome to enable “Always Use Secure Connections”. This means Chrome will ask for the user's permission before the first access to any public site without HTTPS. The “Always Use Secure Connections” setting warns users before accessing a site without HTTPS Chrome Security's mission is to make it safe to click on links. Part of being safe means ensuring that when a user types a…

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Keep Android Open | Web site for keepandroidopen.org

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🚀 Check out this awesome post from Hacker News 📖 📂 Category: ✅ Here’s what you’ll learn: In August 2025, Google announced that starting next year, it will no longer be possible to develop apps for the Android platform without first registering centrally with Google. This registration will involve: Paying a fee to Google Agreeing to Google’s Terms and Conditions Providing government identification Uploading evidence of an app’s private signing key Listing all current and future application identifiers Some actions you can take to help oppose the enactment of this policy are: Sign the Open Letter European Union United States…

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Who needs Graphviz when you can build it yourself?

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🔥 Discover this insightful post from Hacker News 📖 📂 Category: 📌 Main takeaway: We recently overhauled our internal tools for visualizing the compilation of JavaScript and WebAssembly. When SpiderMonkey’s optimizing compiler, Ion, is active, we can now produce interactive graphs showing exactly how functions are processed and optimized. You can play with these graphs right here on this page. Simply write some JavaScript code in the test function and see what graph is produced. You can click and drag to navigate, ctrl-scroll to zoom, and drag the slider at the bottom to scrub through the optimization process. As you…

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ecky-l/wacl: A Tcl distibution for WebAssembly or Javascript

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🚀 Check out this insightful post from Hacker News 📖 📂 Category: 💡 Key idea: A Tcl distribution for WebAssembly or Javascript This is a Tcl distribution for WebAssembly (webassembly.org). It enables Web developers to embed a Tcl interpreter in the browser and integrate Tcl with JavaScript. It enables Tcl developers to use their tools and language of choice to create client side web applications. It enables all developers to reuse a great and (over decades) grown code base of useful packages and scripts, such as Tcllib, to be used in web browsers. It is an extension of the Emtcl…

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Mapping the off-target effects of every FDA-approved drug in existence (EvE Bio)

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🔥 Read this insightful post from Hacker News 📖 📂 Category: 📌 Main takeaway: Note: Thank you to Bill Busa, CEO and co-founder of EvE Bio, for an extremely helpful discussion while working on this essay.This essay is long, and I recognize that many people don’t necessarily care about the details. The real headline point you need to be aware of is this dataset, which was produced by EvE Bio underneath a CC-NA license, and is a comprehensive mapping of the interactions between a significant fraction of clinically important human cellular receptors and 1,600~ FDA-approved drugs. I strongly believe that…

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Why do some radio towers blink?

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🔥 Check out this must-read post from Hacker News 📖 📂 Category: 💡 Main takeaway: One day on my drive home, I saw three towers. One of them had a bunch of blinking white lights, another one had red lights that kind of faded in and out, and the third one, well, it wasn't doing anything. I'm lucky to have a radio engineer for a dad, so Dad: why do some towers blink? Joe: Well, blinking I would call like the way you described it, "flashing", "white light", or "strobe". All these lights are to aid pilots and air traffic.…

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Database backups, dump files and restic • The Ongoing Struggle

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🚀 Discover this trending post from Hacker News 📖 📂 Category: 💡 Here’s what you’ll learn: In the previous article about rethinking my backups I had a TODO item regarding moving away from using intermediary dumps of database content. Here's some notes about that. The old way What I used to do in order to back up some MariaDB databases for example was to have a script something like this called regularly: set -euf set -o pipefail umask 0066 /usr/bin/mysqldump \ --defaults-extra-file=/etc/mysql/backup_credentials.cnf \ --single-transaction \ --databases mysql dss_wp dev_dss_wp \ | /bin/gzip --best --rsyncable -c \ > /srv/backup/mariadb/all.sql.gz.new \ &&…

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