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prologic
twtxt.net
 (1w ago)

Thank you for the encouragement and love and kind words, @lyse@lyse.isobeef.org @movq@www.uninformativ.de @bender@twtxt.net @doesnm@doesnm.p.psf.lt and others along the way I’m not sure of their feed uris 💕 I’ll keep at it, but for the time being I will keep my distance, mostly off IRC, because I don’t have the energy to spare in that kind of engagement (what//if the worst happens, it’s so draining). I need to remember what I ever did any of this for, it was back in ~2020 and I wanted really to build small interconnected communities that any non “tech savvy” person (more or less) could also benefit from ane enjoy. Even if there are aspects of the specs we’ve built/extended over time that aren’t “perfect”™, they’re “good enough”™ that they’ve last 5+ years (I believe this is 6 years running now). I want to spend a bit of time going back to why I did any of this in the the first place, and get a little micro-SaaS offering going (barely covering running costs) so encourage more folks to run pods, and thus twtxt feeds and grow the community ever so slightly. Other than that, I plan to get the specs “in order” to a point (with @movq@www.uninformativ.de and @lyse@lyse.isobeef.org’s help) where I hope they’ll stand the test of time – like SMTP.

Thank you all ! 🙏

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movq
www.uninformativ.de
 (2w ago)

Java’s Swing is allegedly in “maintenance mode”, so I doubt it’s a good idea to use it for new programs. For example, I very much doubt that it will ever support Wayland.

The replacement is supposed to be JavaFX, but that’s not included in JREs – anymore! It used to be, now it’s not, even though it’s well over 15 years old now.

This whole thing (“Java GUIs”) appears to have stagnated a lot. Probably because everything is web stuff these days …

https://www.oracle.com/java/technologies/javafx/faq-javafx.html#6

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lwn-net
feeds.twtxt.net
 (5w ago)

[$] Enhancing FineIBT
At the Linux\
Security Summit Europe (LSS EU), Scott Constable and Sebastian
Österlund gave a talk on an enhancement to a control-flow integrity (CFI)
protection that was added to the kernel several years ago. The “ FineIBT: Fine-grain Control-flow\
Enforcement with Indirect Branch Tracking” mechanism was merged for
Linux 6.2 in early 2023 to harden the kernel against CFI attacks of various
sorts, but needed [ … ⌘ Read more

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lwn-net
feeds.twtxt.net
 (5w ago)

Ubuntu 25.10 released
Ubuntu\
25.10, “Questing Quokka”, has been released. This release includes
Linux 6.17, GNOME 49, GCC 15, Python 3.13.7,
Rust 1.85, and more. This release also features Rust-based
implementations of sudo and coreutils; LWN covered the switch to the
Rust-based tools in March. The 25.10 version of Ubuntu flavors
Edubuntu, Kubuntu, Lubuntu, Ubuntu Budgie, Ubuntu Cinnamon, Ubuntu
Kylin, Ubuntu MATE, Ubun … ⌘ Read more

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alexonit
twtxt.alessandrocutolo.it
 (5w ago)
↳ In-reply-to » @lyse Great job!

@lyse@lyse.isobeef.org In my case it was a silver necklace, a hummingbird with a wing connected with the cold welding I mentioned using thin brass wires.

It made it in a goldsmithing class (I went to a private craftmanship high-school) so no phones allowed (no photos of it) and no “take home” of the works.

Here’s a rough sketch of it drawn by memory, the dots in the wing is where it connects to the body.

Image

The technique is basically the same as i described, but the scale is much smaller, the whole piece was about 5-6 cm on the largest side.

The rivet was made by drilling a hole through the parts, than with a short and thicker drill you widen the hole on the surface to let the rivet settle flatter on the piece, then with a rubber hammer you hit it to flatten the head until it’s snug on the hole, lock them together by doing the same on the other side.

Note that widening the hole with a thicker drill head won’t make a difference with bigger holes, mine had holes of about 1-2 mm of diameter maximum.

Here’s a sketch of what is going on for clarity.

Image

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lwn-net
feeds.twtxt.net
 (5w ago)

[$] LWN.net Weekly Edition for October 9, 2025
Inside this week’s LWN.net Weekly Edition:

  • Front: Kernel Rust features; systemd v258, part 2; Cauldron kernel hackers; BPF for GNU tools; 6.18 merge window, part 1; Lifetime-end pointer zapping; Robot Operating System.

  • Briefs: OpenSSH 10.1; Firefox profiles; Python 3.14; U-Boot v2025.10; FSF presidency; Quotes; …

  • Announcements: Newsletters, conferences, security upda … ⌘ Read more

⤋ Read More
lwn-net
feeds.twtxt.net
 (5w ago)

Security updates for Wednesday
Security updates have been issued by Fedora (apptainer, civetweb, mod_http2, openssl, pandoc, and pandoc-cli), Oracle (kernel), Red Hat (gstreamer1-plugins-bad-free, iputils, kernel, open-vm-tools, and podman), SUSE (cairo, firefox, ghostscript, gimp, gstreamer-plugins-rs, libxslt, logback, openssl-1_0_0, openssl-1_1, python-xmltodict, and rubygem-puma), and Ubuntu (gst-plugins-base1.0, linux-aws-6.8, linux-aws-fips, linux-azure, linux-azure-nvidia, linux-gke, linux-nvidia-tegra- … ⌘ Read more

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Schwartzreport
feeds.twtxt.net
 (6w ago)

‘Vertical Morality’ Might Describe Why MAGA Christians Seem So Unchristian
Caroline Bologna,    -  HuffPost

Stephan: Evangelical MAGAT Christianity is actually pseudo-Christianity, as I have been telling you for years. It has nothing to do with Jesus’ teachings. Here is a good explanation of what I mean, and why I mean it.

Image

_Vertical morality has led … ⌘ Read more

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ABC_JustIn
feeds.twtxt.net
 (6w ago)

Mining giants enter arbitration over collapse of $5.7b deal in Queensland
Peabody Energy demands Anglo American return its $113.6 million deposit more than a month after the collapse of a deal to buy five mine sites in Queensland’s Bowen Basin. ⌘ Read more

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lwn-net
feeds.twtxt.net
 (6w ago)

[$] 6.18 merge window, part 1
At the time of writing, there have been 9,099 commits in the 6.18 merge window,
8,475 non-merges and 624 merges. The
changes so far include core-kernel, graphics, and networking work, among others.
There are no big surprises, but several items that were discussed at this year’s
LFSMM+BPF Summit have now been merged. ⌘ Read more

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Schwartzreport
feeds.twtxt.net
 (6w ago)

Can You Afford to Die in Your State?
John Stevenson,  Researcher  -  John Stevenson Website

Stephan: Few Americans are spending a lot of time thinking about what their dying would cost, although over half of us (as the chart at the head of this report shows) worry they wouldn’t be able to afford a loved one’s passing.

Image

Facing the loss of a loved one is hard enough without worrying abo … ⌘ Read more

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lwn-net
feeds.twtxt.net
 (6w ago)

Security updates for Friday
Security updates have been issued by AlmaLinux (idm:DL1), Debian (gegl and haproxy), Fedora (ffmpeg, firefox, freeipa, python-pip, rust-astral-tokio-tar, sqlite, uv, webkitgtk, and xen), Oracle (idm:DL1, ipa, kernel, perl-JSON-XS, and python3), Red Hat (git), SUSE (curl, frr, jupyter-jupyterlab, and libsuricata8_0_1), and Ubuntu (linux-aws, linux-lts-xenial, linux-aws-fips, linux-fips, linux-gcp-fips, linux-azure, linux-azure, linux-azure-6.8, linux-fips, linux-gcp-fips, and l … ⌘ Read more

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linux_gizmos
feeds.twtxt.net
 (6w ago)

Radxa Announces Fogwise AIRbox Q900 for Industrial Edge AI
Radxa has announced the Fogwise AIRbox Q900, a rugged edge AI system powered by Qualcomm’s IQ-9075 processor. The compact unit delivers high-performance compute with industrial reliability, targeting real-time inference in manufacturing, robotics, smart cities, and research. The AIRbox Q900 is powered by the Qualcomm IQ-9075 SoC. It integrates an octa-core Kryo Gen 6 CPU based […] ⌘ Read more

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lwn-net
feeds.twtxt.net
 (6w ago)

[$] LWN.net Weekly Edition for October 2, 2025
Inside this week’s LWN.net Weekly Edition:

  • Front: Fedora and AI; Linting kernel Rust; openSUSE Leap 16; mmap() file operation; 6.17 statistics; dirlock.

  • Briefs: Bcachefs removal; Alpine /usr merge; F-Droid; Fedora AI policy; OpenSUSE Leap 16; PostgreSQL 18; Radicle 1.5.0; Quotes; …

  • Announcements: Newsletters, conferences, security updates, patches, and more. ⌘ Read more

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linux_gizmos
feeds.twtxt.net
 (7w ago)

Tiny RISC-V Development Board with WCH CH32V317WCU6 Available from $6.80
The nanoCH32V317 is a compact development board created by MuseLab to simplify prototyping and embedded system development. It integrates USB connectivity, Ethernet support, and a straightforward programming interface through USB Type-C, providing an accessible platform for engineers and hobbyists working with RISC-V microcontrollers. The board is powered by the WCH CH32V317WCU6, a RISC-V microcontro … ⌘ Read more

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os-x-daily
feeds.twtxt.net
 (7w ago)

MacOS Tahoe 26 Feels Slow? Try These 6 Performance Tips
Some Mac users who have updated to macOS Tahoe 26 feel like the new operating system runs slower than their prior MacOS installation did. Reports online suggest there can be general sluggishness and lagging performance, sometimes with frame rate drops and stuttering animations on the screen, or even when typing. Other users in various forums … Read More ⌘ Read more

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lyse
lyse.isobeef.org
 (10w ago)

Hmm, gnu.org is slow as heck. Shorter HTML pages load in about ten seconds. This complete AWK manual all in one large HTML page took a full minute: https://www.gnu.org/software/gawk/manual/gawk.html Is there maybe some anti AI shenanigans going on?

In any case, I find the user guide super interesting. My AWK skills are basically non-existent, so I finally decided to change that. This document is incredibly well written and makes it really fun to keep reading and learning. I’m very impressed. So far, I made it to section 1.6, happy to continue.

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movq
www.uninformativ.de
 (11w ago)

I’ve got a prototype of my hardcopy simulator going. I’m typing on the keyboard and the “display” goes to the printer:

https://movq.de/v/56feb53912/s.png

https://movq.de/v/235c1eabac/MVI_8810.MOV.mp4

The biiiiiiiiiig problem is that the print head and plastic cover make it impossible to see what’s currently being printed, because this is not a typewriter. This means: In order to see what I just entered, I have to feed the paper back and forth and back and forth … it’s not ideal.

I got that idea of moving back/forth from Drew DeVault, who – as it turned out – did something similar a few years back. (I tried hard to read as little as possible of his blog post, because figuring things out myself is more fun. But that could mean I missed a great idea here or there.)

But hey, at least this is running on my Pentium 133 on SuSE Linux 6.4, printer connected with a parallel cable. 😍

(Also, yes, you can see the printouts of earlier tests and, yes, I used ed(1) wrong at one point. 🤪 And ls insisted on using colors …)

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Planet_Jabber_XMPP
feeds.twtxt.net
 (12w ago)

The XMPP Standards Foundation: MongooseIM 6.4 - Simplified and Unified
MongooseIM is a scalable and efficient instant messaging server. It implements the open, proven, extensible and constantly evolving XMPP protocol, which is an excellent choice when it comes to instant messaging. To communicate with other XMPP entities, the server uses three main types of interfaces, listed in the table below.

XMPP InterfacePurposeConnection typeReworked in v … ⌘ Read more

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Planet_Jabber_XMPP
feeds.twtxt.net
 (12w ago)

Erlang Solutions: MongooseIM 6.4: Simplified and Unified
MongooseIM is a scalable and efficient instant messaging server. With the latest release 6.4.0, it has become more powerful yet easier to use and maintain. Thanks to the internal unification of listeners and connection handling, the configuration is easier and more intuitive, while numerous new options are supported.

New features include support for TLS 1.3 with optional channel binding for improved security, single round-trip authent … ⌘ Read more

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movq
www.uninformativ.de
 (16w ago)

Here’s an example of X11/Xlib being old and archaic.

X11 knows the data type “cardinal”. For example, the window property _NET_WM_ICON (which holds image data for icons) is an array of “cardinal”. I am already not really familiar with that word and I’m assuming that it comes from mathematics:

https://en.wikipedia.org/wiki/Cardinal_number

(It could also be a bird, but probably not: https://en.wikipedia.org/wiki/Cardinalidae)

We would probably call this an “integer” today.

EWMH says that icons are arrays of cardinals and that they’re 32-bit numbers:

https://specifications.freedesktop.org/wm-spec/latest-single/#id-1.6.13

So it’s something like 0x11223344 with 0x11 being the alpha channel, 0x22 is red, and so on.

You would assume that, when you retrieve such an array from the X11 server, you’d get an array of uint32_t, right?

Nope.

Xlib is so old, they use char for 8-bit stuff, short int for 16-bit, and long int for 32-bit:

https://x.org/releases/current/doc/libX11/libX11/libX11.html#Obtaining_and_Changing_Window_Properties

That is congruent with the general C data types, so it does make sense:

https://en.wikipedia.org/wiki/C_data_types

Now the funny thing is, on modern x86_64, the type long int is actually 64 bits wide.

The result is that every pixel in a Pixmap, for example, is twice as large in memory as it would need to be. Just because Xlib uses long int, because uint32_t didn’t exist, yet.

And this is something that I wouldn’t know how to fix without breaking clients.

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mc
feeds.twtxt.net
 (17w ago)

Status 2025-07-21
Morning, computer! Spending my days off trying to figure things out.
Some of them will occur in this post. I think best when I’m writing,
after all.

Intro

I’m back from a short vacation since a couple of weeks. I’m still
going to take a few days off every week for a while. I need the break.
It’s been way too many 12-16 hour workdays. I’m nominally working 80%
(~6 hour days), so I figure I’ve been working a lot for free.

Yeah, well, I like the TKey project to succeed. The ideas behind it
have implicatio … ⌘ Read more

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movq
www.uninformativ.de
 (21w ago)

Saw this on Mastodon:

https://racingbunny.com/@mookie/114718466149264471

18 rules of Software Engineering

  1. You will regret complexity when on-call
  2. Stop falling in love with your own code
  3. Everything is a trade-off. There’s no “best” 3. Every line of code you write is a liability 4. Document your decisions and designs
  4. Everyone hates code they didn’t write
  5. Don’t use unnecessary dependencies
  6. Coding standards prevent arguments
  7. Write meaningful commit messages
  8. Don’t ever stop learning new things
  9. Code reviews spread knowledge
  10. Always build for maintainability
  11. Ask for help when you’re stuck
  12. Fix root causes, not symptoms
  13. Software is never completed
  14. Estimates are not promises
  15. Ship early, iterate often
  16. Keep. It. Simple.

Solid list, even though 14 is up for debate in my opinion: Software can be completed. You have a use case / problem, you solve that problem, done. Your software is completed now. There might still be bugs and they should be fixed – but this doesn’t “add” to the program. Don’t use “software is never done” as an excuse to keep adding and adding stuff to your code.

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movq
www.uninformativ.de
 (21w ago)
↳ In-reply-to » Fuck me sideways, Rust is so hard. Will we ever be friends?

@prologic@twtxt.net I’m trying to call some libc functions (because the Rust stdlib does not have an equivalent for getpeername(), for example, so I don’t have a choice), so I have to do some FFI stuff and deal with raw pointers and all that, which is very gnarly in Rust – because you’re not supposed to do this. Things like that are trivial in C or even Assembler, but I have not yet understood what Rust does under the hood. How and when does it allocate or free memory … is the pointer that I get even still valid by the time I do the libc call? Stuff like that.

I hope that I eventually learn this over time … but I get slapped in the face at every step. It’s very frustrating and I’m always this 🤏 close to giving up (only to try again a year later).

Oh, yeah, yeah, I guess I could “just” use some 3rd party library for this. socket2 gets mentioned a lot in this context. But I don’t want to. I literally need one getpeername() call during the lifetime of my program, I don’t even do the socket(), bind(), listen(), accept() dance, I already have a fully functional file descriptor. Using a library for that is total overkill and I’d rather do it myself. (And look at the version number: 0.5.10. The library is 6 years old but they’re still saying: “Nah, we’re not 1.0 yet, we reserve the right to make breaking changes with every new release.” So many Rust libs are still unstable …)

… and I could go on and on and on … 🤣

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lwn-net
feeds.twtxt.net
 (23w ago)

Kernel prepatch 6.16-rc1
Linus has released 6.16-rc1 and closed the
merge window for this release.

I think we had a fairly normal merge window, although I did get the
feeling that there were a few more “late straggler” pull requests
than usual. Not to a huge degree, but there was definitely an
upward bump at the end of the second week.

But on the whole, all the stats look pretty normal. ⌘ Read more

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movq
www.uninformativ.de
 (23w ago)

A bill from our ISP in 1998.

We’re talking about a month here, 1998-07-27 to 1998-08-26.

Basic fee: 7.50 DM (about 6€ today).

Online time: 516 minutes, 23.53 DM (about 20€ today).

That’s just the ISP costs, if I’m not mistaken. The underlying phone calls were pretty pricey as well.

Image

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lwn-net
feeds.twtxt.net
 (23w ago)

[$] Slowing the flow of core-dump-related CVEs
The 6.16 kernel will include a number of changes to how the kernel handles
the processing of core dumps for crashed processes. Christian Brauner explained
his reasons for doing this work as: “Because I’m a clown and also I had
it with all the CVEs because we provide a **** API for userspace”. The
handling of core dumps has indeed been a constant source of
vulnerabilities; with luck, the 6.16 work will result in rather fewer of
th … ⌘ Read more

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lwn-net
feeds.twtxt.net
 (23w ago)

Security updates for Friday
Security updates have been issued by AlmaLinux (go-toolset:rhel8, golang, nodejs:20, nodejs:22, openssh, and python36:3.6), Debian (edk2, libfile-find-rule-perl, and webkit2gtk), Fedora (emacs, libvpx, perl-FCGI, and seamonkey), Mageia (cifs-utils), Red Hat (containernetworking-plugins, go-toolset:rhel8, golang, gvisor-tap-vsock, krb5, mod_auth_openidc:2.3, protobuf, and thunderbird), Slackware (seamonkey), SUSE (gimp, gnutls, haproxy, opensaml, openssh, openvpn, python-crypto … ⌘ Read more

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ABC_JustIn
feeds.twtxt.net
 (23w ago)

Erin Patterson asked why she didn’t raise alarm about foraged mushrooms
Erin Patterson didn’t tell a “single person” that she may have accidentally added foraged mushrooms to a lunch that eventually killed three of her relatives, her murder trial has heard. ⌘ Read more

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Planet_Jabber_XMPP
feeds.twtxt.net
 (23w ago)

JMP: Mitigating MITMs in XMPP
In October 2023, Jabber.ru, “the largest Russian XMPP messaging service”, discovered that both Hetzner and Linode had been targeting them with Machine-In-The-Middle (MITM) attacks for up to 6 months. MITM attacks are when an unauthorised third party intercepts traffic intended for someone else. At the point of interception, the attacker can inspect and even modify that traffic. TLS was created to mitigate this; all communication between the two parties is encrypted, so the third party sees … ⌘ Read more

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ABC_JustIn
feeds.twtxt.net
 (23w ago)

Live: Government reviews US beef policy in bid to secure tariff compromise
The federal government is reviewing strict biosecurity laws to allow US-slaughtered beef into Australia in an effort to secure the removal of Donald Trump’s tariffs. Follow live. ⌘ Read more

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Planet_Jabber_XMPP
feeds.twtxt.net
 (23w ago)

JMP: Mitigating MITMs in XMPP
In October 2023, Jabber.ru, “the largest Russian XMPP messaging service”, discovered that both Hetzner and Linode had been targeting them with Machine-In-The-Middle (MITM) attacks for up to 6 months. MITM attacks are when an unauthorised third party intercepts traffic intended for someone else. At the point of interception, the attacker can inspect and even modify that traffic. TLS was created to mitigate this; all communication between the two parties is encrypted, so the third party sees … ⌘ Read more

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lwn-net
feeds.twtxt.net
 (23w ago)

[$] Fending off unwanted file descriptors
One of the more obscure features provided by Unix-domain sockets is the
ability to pass a file descriptor from one process to another. This
feature is often used to provide access to a specific file or network
connection to a process running in a relatively unprivileged context. But
what if the recipient doesn’t want a new file descriptor? A feature
added for the 6.16 release makes it possible to refuse that offer. ⌘ Read more

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lwn-net
feeds.twtxt.net
 (23w ago)

Security updates for Thursday
Security updates have been issued by Debian (chromium and mariadb-10.5), Oracle (firefox, ghostscript, git, go-toolset:ol8, golang, kernel, krb5, mingw-freetype and spice-client-win, nodejs:20, nodejs:22, perl-CPAN, python36:3.6, rsync, varnish, and varnish:6), Red Hat (firefox, thunderbird, and webkit2gtk3), Slackware (curl and python3), SUSE (apache-commons-beanutils, apache2-mod_security2, avahi, buildkit, ca-certificates-mozilla, cloud-regionsrv-client, cloud-regionsrv-client, py … ⌘ Read more

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lwn-net
feeds.twtxt.net
 (23w ago)

[$] LWN.net Weekly Edition for June 5, 2025
Inside this week’s LWN.net Weekly Edition:

  • Front: OpenH264 in Fedora; Wallabag; Safety certification; 6.16 Merge window; Bounce buffering; Hardening repository problems; Device-initiated I/O; Faster networking; OSPM 2025; Free software in science.

  • Briefs: Kea vulnerabilities; Alpine Linux 3.22.0; Fedora strategy; Quotes; …

  • Announcements: Newsletters, conferences, securi … ⌘ Read more

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lwn-net
feeds.twtxt.net
 (23w ago)

Security updates for Wednesday
Security updates have been issued by AlmaLinux (git, krb5, perl-CPAN, and rsync), Debian (tcpdf), Fedora (libmodsecurity, lua-http, microcode_ctl, and nextcloud), Red Hat (osbuild-composer), SUSE (389-ds, avahi, ca-certificates-mozilla, docker, expat, freetype2, glib2, gnuplot, gnutls, golang-github-teddysun-v2ray-plugin, golang-github-v2fly-v2ray-core, govulncheck-vulndb, helm, iperf, kernel, kernel-livepatch-MICRO-6-0_Update_2, kernel-livepatch-MICRO-6-0_Update_4, krb5, libarc … ⌘ Read more

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news-orf-at
feeds.twtxt.net
 (24w ago)

Zahl der Reichen noch nie so hoch wie heute
Die Zahl der Reichen war noch nie so hoch wie heute. Zugleich war ihr gesamtes Vermögen noch nie so groß. Das geht aus dem am Mittwoch veröffentlichten „World Wealth Report“ des Beratungsunternehmens Capgemini hervor. Geschätzt 23,4 Millionen Menschen und damit 2,6 Prozent mehr als 2023 verfügten im vergangenen Jahr über ein anlagefähiges Vermögen von mindestens einer Million Dollar. In Österreich ging die Zahl dagegen zurück. ⌘ Read more

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linux_gizmos
feeds.twtxt.net
 (24w ago)

FriendlyElec NanoPi M5 Offers RK3576, Dual LAN, MIPI-CSI, and 6 TOPS NPU
FriendlyElec has introduced the NanoPi M5, a compact single-board computer based on the Rockchip RK3576 processor. It features a 6 TOPS INT8 NPU, supports LPDDR4X or LPDDR5 memory, and offers UFS 2.0 storage along with dual Gigabit Ethernet and MIPI-CSI/DSI interfaces. Compared to recently launched boards such as the NanoPi Zero2 (RK3528A), NanoPi M6 (RK3588S), […] ⌘ Read more

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lwn-net
feeds.twtxt.net
 (24w ago)

Security updates for Tuesday
Security updates have been issued by AlmaLinux (varnish), Debian (asterisk and roundcube), Fedora (systemd), Mageia (golang), Red Hat (ghostscript, perl-CPAN, python36:3.6, and rsync), SUSE (govulncheck-vulndb, libsoup-2_4-1, and postgresql, postgresql16, postgresql17), and Ubuntu (mariadb, open-vm-tools, php-twig, and python-tornado). ⌘ Read more

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yue-fang-readfog-go
feeds.twtxt.net
 (24w ago)

Golang 字符串拼接 6 種方法性能對比與最佳實踐
在 Go 語言中，字符串 (string) 是不可變 (immutable) 的數據類型，這意味着每次字符串拼接操作實際上都會創建一個新的字符串對象。對於需要頻繁拼接字符串的場景，選擇合適的方法對性能有顯著影響。本文將全面分析 6 種常見的字符串拼接方式，並通過基準測試揭示它們的性能差異。6 種字符串拼接方法詳解1. 直接使用+運算符funcconcatOperator(s string, n i ⌘ Read more

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yue-fang-readfog
feeds.twtxt.net
 (24w ago)

Golang 字符串拼接 6 種方法性能對比與最佳實踐
在 Go 語言中，字符串 (string) 是不可變 (immutable) 的數據類型，這意味着每次字符串拼接操作實際上都會創建一個新的字符串對象。對於需要頻繁拼接字符串的場景，選擇合適的方法對性能有顯著影響。本文將全面分析 6 種常見的字符串拼接方式，並通過基準測試揭示它們的性能差異。6 種字符串拼接方法詳解1. 直接使用+運算符funcconcatOperator(s string, n i ⌘ Read more

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lwn-net
feeds.twtxt.net
 (24w ago)

[$] Hardening fixes lead to hard questions
Kees Cook’s “hardening\
fixes” pull request for the 6.16 merge window looked like a
straightforward exercise; it only contained four commits. So just about
everybody was surprised when it resulted in Cook being temporarily blocked
from his kernel.org account among fears of malicious activity. When the
dust settled, though, the red alert was canceled. It turns out,
surprisingly, that Git is a tool with which one can inflict substantial … ⌘ Read more

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lwn-net
feeds.twtxt.net
 (24w ago)

Security updates for Monday
Security updates have been issued by Debian (espeak-ng, kitty, kmail-account-wizard, krb5, libreoffice, libvpx, net-tools, python-flask-cors, symfony, tcpdf, thunderbird, and twitter-bootstrap3), Fedora (chromium, dropbear, firefox, gstreamer1-plugins-bad-free, python-tornado, systemd, and thunderbird), Mageia (coreutils, deluge, glib2.0, and redis), Oracle (firefox, kernel, and systemd), Red Hat (firefox, kernel, kernel-rt, varnish, varnish:6, and zlib), SUSE (bind, curl, dnsdist, … ⌘ Read more

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linux_gizmos
feeds.twtxt.net
 (24w ago)

Touchscreen Smart Box Based on ESP32-P4 with Wi-Fi 6 or Ethernet
The ESP32-P4 Smart 86 Box is a compact development board with a 4-inch capacitive touchscreen, designed for HMI, smart control panels, and edge processing. Its 86 mm form factor allows it to be easily installed in wall-mounted enclosures for use in embedded automation and smart terminal applications. As the name implies, this board is built […] ⌘ Read more

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macrumors
feeds.twtxt.net
 (24w ago)

6 visionOS-Inspired Design Elements Coming to iOS 26
With iOS 26, macOS 26, tvOS 26, and watchOS 26, Apple is planning to debut a new design that’s been described as taking inspiration from visionOS, the newest operating system. With WWDC coming up soon, we thought we’d take a closer look at visionOS and some of the design details that Apple might adopt based on current rumors and leaked information … ⌘ Read more

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lwn-net
feeds.twtxt.net
 (24w ago)

Security updates for Friday
Security updates have been issued by AlmaLinux (.NET 8.0, .NET 9.0, firefox, ghostscript, gstreamer1-plugins-bad-free, libsoup3, mingw-freetype, perl, ruby, sqlite, thunderbird, unbound, valkey, and xz), Debian (chromium, firefox-esr, libavif, linux-6.1, modsecurity-apache, mydumper, systemd, and thunderbird), Fedora (coreutils, dnsdist, docker-buildx, maturin, mingw-python-flask, mingw-python-flit-core, ruff, rust-hashlink, rust-rusqlite, and thunderbird), Red Hat (pcs), SUSE (augeas, … ⌘ Read more

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lwn-net
feeds.twtxt.net
 (24w ago)

[$] The first half of the 6.16 merge window
As of this writing, 5,546 non-merge changesets have been pulled into the mainline
kernel repository for the 6.16 release. This is a bit less than half of the
total commits for 6.15, so the merge window is well on its way. Read on for our
summary of the first half of the 6.16 merge window. ⌘ Read more

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lwn-net
feeds.twtxt.net
 (24w ago)

Security updates for Thursday
Security updates have been issued by AlmaLinux (kernel and kernel-rt), Debian (firefox-esr, libvpx, net-tools, php-twig, python-tornado, setuptools, varnish, webpy, yelp, and yelp-xsl), Fedora (xen), Mageia (cimg and ghostscript), Oracle (gstreamer1-plugins-bad-free, kernel, libsoup, thunderbird, and unbound), Red Hat (firefox, mingw-freetype and spice-client-win, pcs, and varnish:6), Slackware (curl and mozilla), SUSE (apparmor, containerd, dnsdist, go1.23-openssl, go1.24 … ⌘ Read more

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lwn-net
feeds.twtxt.net
 (24w ago)

[$] LWN.net Weekly Edition for May 29, 2025
Inside this week’s LWN.net Weekly Edition:

  • Front: Glibc security; How we lost the Internet; Encrypted DNS; 6.15 Development statistics; Filesystem stress-testing; BPF verifier; Network access from BPF; OSPM 2025.

  • Briefs: AlmaLinux 10.0; FESCo decision overturned; NixOS 25.05; Pocket, Launchpad retired; Quotes; …

  • Announcements: Newsletters, conferences, security updates, … ⌘ Read more

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yue-fang-readfog
feeds.twtxt.net
 (25w ago)

RocketMQ 高級使用
消息存儲—-分佈式隊列因爲有高可靠性的要求，所以數據要進行持久化存儲。消息生成者發送消息 MQ 收到消息，將消息進行持久化，在存儲中新增一條記錄 返回 ACK 給生產者 MQ push 消息給對應的消費者，然後等待消費者返回 ACK 如果消息消費者在指定時間內成功返回 ack，那麼 MQ 認爲消息消費成功，在存儲中刪除消息，即執行第 6 步；如果 MQ 在指定時間內沒有 ⌘ Read more

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yue-fang-readfog
feeds.twtxt.net
 (25w ago)

Cursor - 12306 MCP，打造 AI 智能選票系統，超酷的！
大家好，我是蒼何。昨天線下活動見了米尼的孩子，說句實在的，勾起了我對家裏娃的想念。於是，我決定端午，我要回家，我要陪過度六一。掏出手機 12306，查票、候補、買票。開始計算着出發時間，到達家的時間，選擇高鐵還是硬臥，早上 6 點的車能否趕上，晚上十一點的車到家太晚會吵醒孩子，中午的車正好但往往沒票。。。。受夠了，每次都是這樣，買個票，能把我瞬間變成一隻哈巴狗，咧着嘴，大聲喘氣。於是，我想借助 A ⌘ Read more

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lwn-net
feeds.twtxt.net
 (25w ago)

[$] Development statistics for the 6.15 kernel
The 6.14 kernel development cycle only brought in 11,003 non-merge
changesets, making it the slowest cycle since 4.0, which was released in
2015. The 6.15 kernel, instead, brought in 14,612 changesets, making it
the busiest release since 6.7, released at the beginning of 2024. The
kernel development process, in other words, is back up to full speed. The
6.15\
release happened on May 25, so the … ⌘ Read more

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lwn-net
feeds.twtxt.net
 (25w ago)

The 6.15 kernel has been released
Linus has released the 6.15 kernel, as
expected.

So this was delayed by a couple of hours because of a last-minute
bug report resulting in one new feature being disabled at the
eleventh hour, but 6.15 is out there now.

Significant changes in 6.15 include smarter timer-ID assignment to make
checkpoint/restore operations more reliable, the [ability](https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/comm … ⌘ Read more

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linux_gizmos
feeds.twtxt.net
 (25w ago)

PicoCore MX93 CoM Features microNPU, Wi-Fi 6, Bluetooth 5.2, and CAN-FD
The PicoCore MX93 from F&S Elektronik Systeme is a compact Computer on Module measuring just 35 x 40 mm. Designed for industrial and embedded edge applications, it supports up to 2GB of LPDDR4 memory, Wi-Fi 6 and Bluetooth 5.2 connectivity, and a wide range of display and I/O interfaces including MIPI-DSI, LVDS, CAN-FD, and dual […] ⌘ Read more

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prologic
twtxt.net
 (25w ago)
↳ In-reply-to » @kat I don’t like Golang much either, but I am not a programmer. This little site, Go by example might explain a thing or two.

One of the nicest things about Go is the language itself, comparing Go to other popular languages in terms of the complexity to learn to be proficient in:

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