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movq
www.uninformativ.de
 (3y ago)

Spent the last few days debugging network issues at work.

Exhausting. You never get a full picture. You poke a little here, poke a little there, … Form a hypothesis and test it. Eventually, maybe, you can narrow it down a bit to some segment or even some component.

A very time consuming process. Even more so if you try not to cause downtimes for your users.

I want a magical device that allows me to look inside a cable/fibre.

But hey, at least we got rid of a bunch of Cisco switches in the process. So there’s that.

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oxplot_blog
feeds.twtxt.net
 (3y ago)

Understanding Color Management
I worked on a project where I dived deep into understanding how modern
color management works, including things like color spaces, ICC profiles
and more. As I learnt here and there, I decided to write this post, both
for my future self, and others who may struggle with some of the
concepts as well.

What is color management?

Color management deals with translating between representations of
colors across a variety of devices. Throughout this post, we’ll use
natural language as … ⌘ Read more

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oxplot_blog
feeds.twtxt.net
 (3y ago)

Understanding Color Management
I worked on a project where I dived deep into understanding how modern
color management works, including things like color spaces, ICC profiles
and more. As I learnt here and there, I decided to write this post, both
for my future self, and others who may struggle with some of the
concepts as well.

This post only aims to help you understand the basic concepts without
having to delve into dense literature and hard to grok technical
documents.

What is color management?

Color … ⌘ Read more

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lyse
lyse.isobeef.org
 (3y ago)

Alright, check this out. I just kinda completed today’s project of converting a jeans into a saw bag. It’s not fully done, the side seams on the flap need some more hand sewing, that’s for sure. No, I don’t have a sewing machine. Yet?

Image

At first I wanted to put in the saw on the short side, but that would have made for more sewing work and increased material consumption. As a Swabian my genes force me to be very thrifty. Slipping in on the long side had the benefit of using the bottom trouser leg without any modification at all. The leg tapers slightly and gets wider and wider the more up you go. At the bottom it’s not as extreme as at the top.

The bag is made of two layers of cloth for extra durability. The double layers help to hide the inner two metal snap fastener counter parts, so the saw blade doesn’t get scratched. Not a big concern, but why not doing it, literally no added efforts were needed. Also I reckon it cuts off the metal on metal clinking sounds.

The only downside I noticed right after I pressed in the receiving ends of the snap fasteners is that the flap overhangs the bag by quite a lot. I fear that’s not really user-friendly. Oh well. Maybe I will fold it shorter and sew it on. Let’s see. The main purpose is to keep the folding saw closed, it only locks in two open positions.

Two buttons would have done the trick, with three I went a bit overkill. In fact the one in the middle is nearly sufficient. Not quite, but very close. But overkill is a bit my motto. The sides making up the bag are sewed together with like five stitch rows. As said in the introduction, the flap on the hand needs some more love.

Oh, and if I had made it in a vertical orientation I would have had the bonus of adding a belt loop and carrying it right along me. In the horizontal layout that’s not possible at all. The jeans cloth is too flimsy, the saw will immediately fall out if I open the middle button. It’s not ridgid enough. Anyways, I call it a success in my books so far. Definitely had some fun.

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niplav
niplav.site
 (3y ago)

that is to say, both might be relevant for personal effectiveness, and both are tangentially related to big problems (how do we bring about good states of consciousness & how does society organise sexuality so that everything works ~well), but not much beyond that.

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niplav
niplav.site
 (3y ago)

that’s why cold approach in person works so well, or why programming is easier than mathematics, or why you should build explicit models as quickly as possible (even if they’re shit), or why meditation is so hard

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prologic
twtxt.net
 (3y ago)
↳ In-reply-to » @prologic Re: Chat system, What if the base specification included a system for per-user arbitrary JSON storage on the server? Kind of like XEP-0049, but expanded upon. Two kinds of objects: public and private. Public objects can be queried by anyone, private objects cannot and must be encrypted with the user's private key. Public keys could be stored there, as well as anything else defined by extensions. Roster, user block list, avatar, etc.

For instance I normally use the same RSA key/pair on all my workstations for my ssh client, because that’s me, no-matter where I am. The only exception to this rule is I usually create a separate key for any “work” / “ company” I am a part of.

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true-north
feeds.twtxt.net
 (3y ago)

Conservative leadership race turns nasty between Poilievre and Brown

Image

As the leadership race for the Conservative Party of Canada (CPC) deepens, candidates Pierre Poilievre and Patrick Brown have started butting heads hard. The furor seems to have started when political adviser Jenni Byrne, who is currently working on Poilievre’s campaign, released an attack ad against Brown on Sunday. The two-minute ad … ⌘ Read more

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joshua-stein
feeds.twtxt.net
 (3y ago)

Video: C Programming on System 6 - Talking to the Modem
Starting work on adding a serial module to join the console and telnet inputs, to allow calls through a modem. I got stuck for a while trying to figure out why writes to the serial port would hang the machine. ⌘ Read more

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docker_blog
feeds.twtxt.net
 (3y ago)

How Kubernetes works under the hood with Docker Desktop
Docker Desktop makes developing applications for Kubernetes easy. It provides a smooth Kubernetes setup experience by hiding the complexity of the installation and wiring with the host. Developers can focus entirely on their work rather than dealing with the Kubernetes setup details.  This blog post covers development use cases and what happens under the hood […]

The post [How Kubernetes works under the hood with Docker Desktop … ⌘ Read more

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joshua-stein
feeds.twtxt.net
 (3y ago)

Live Streaming a Macintosh Plus
Since recording a handful of C Programming on System 6 videos, I’ve occasionally wanted to live-stream the more casual daily programming being done on my Macintosh Plus. After getting all of the pieces together, I now have a working self-hosted broadcasting setup. ⌘ Read more

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joshua-stein
feeds.twtxt.net
 (3y ago)

Debugging an ioctl Problem on OpenBSD
I was trying to use a V4L2 Ruby module for a project on my OpenBSD laptop but ran into a problem where sending the V4L2 ioctls from this module would fail, while other V4L2 programs on OpenBSD worked fine. ⌘ Read more

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docker_blog
feeds.twtxt.net
 (3y ago)

How Docker Desktop Networking Works Under the Hood
Modern applications make extensive use of networks. At build time it’s common to apt-get/dnf/yum/apk install a package from a Linux distribution’s package repository. At runtime an application may wish to connect() to an internal postgres or mysql database to persist some state, while also calling listen() and accept() to expose APIs and UIs over TCP […]

The post [How Docker Desktop Networking Works Under the Hood](https://www.docker.com … ⌘ Read more

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github_blog
feeds.twtxt.net
 (3y ago)

Release Radar · December 2021 Edition
Many of us were wrapping up projects, emails, events, and getting ready for Christmas. While we were all busy getting ready for the festive season, our community was still hard at work shipping open source ⌘ Read more

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gocnshe-qu
feeds.twtxt.net
 (3y ago)

GoCN 每日新闻（2022-01-20）

  1. 从 CPU 角度理解 Go 中的结构体内存对齐https://gocn.vip/topics/20967
  2. 博客 Go beyond workhttps://changelog.com/gotime/212
  3. 如何绘制随时间变化的 Go 测试覆盖率https://osinet.fr/go/en/articles/plotting-go-test-coverage/
  4. Redix v5 一个简单的 KeyValue 存储系统https://github.com/alash3al/redix?_v=5.0.0
  5. 既然 IP 层会分片，为什么 TCP 层也还要分段[https://mp.weixin.qq.com/s/0boFt8cOAbmjH2IRr7XtY … ⌘ Read more

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quark
ferengi.one
 (3y ago)
↳ In-reply-to » The Feds Are Investigating a YouTuber Accused of Crashing a Plane For Views A YouTuber and former Olympic snowboarder has been accused of crashing his plane on purpose for clicks, and the FAA has opened an investigation to get to the bottom of the growing mess. The Drive reports: Trevor Jacob has been the subject of online criticism after posting a YouTube video where he parachuted from a Taylorcraf ... ⌘ Read more

@fastidious@arrakis.netbros.com, I am sure profit—or the search for it—was involved. Most likely that pilot was a Ferengi in disguise. We are known to visit lesser planets seeking to exploit. Sometimes it works out, sometimes it doesn’t. Hoping my fellow Ferengi fares well or, at the very least, lets me know where his Latinum is.

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Oatmeal
feeds.twtxt.net
 (3y ago)

I feel like it took me a bit longer to fully understand how to work in Smalltalk than it did most languages. The IDE is different than anything I’ve used before, and probably anything you’ve seen as well. You’re not going to be opening myscript.st in your favorite text editor, and then run it from the command line as you would a Python program. It takes a little mental adjustment to start with.

That’s not the warning, howe … ⌘ Read more

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prologic
twtxt.net
 (3y ago)

Autocrypt - Wikipedia

Just reading in-depth and trying to understand the security model of Delta.Chat a bit more… There’s a few things that really concern me about how Delta.Chat which relies on Autocrypt work:

  • There is no Perfect Forward Secrecy
  • No verification of keys
    • Is therefore susceptible to Man-in-the-Middle attacks
  • Metadata is a BIG problem with Delta.Chat:
    • The To and From and Date are trackable by your Mail provider (amongst many other headers)

Hmmm 🤔 cc @deebs@twtxt.net

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docker_blog
feeds.twtxt.net
 (3y ago)

Guest Blog: Deciding Between Docker Desktop and a DIY Solution
Guest author Ben Hall is the lead technical developer for C# .NET at gov.uk (a United Kingdom public sector information website) and a .NET Foundation foundation member. He worked for nine years as a school teacher, covering programming and computer science. Ben enjoys making complex topics accessible and practical for busy developers. Deciding Between Docker […]

The post [Guest Blog: Deciding Between Docke … ⌘ Read more

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prologic
twtxt.net
 (3y ago)

gogrok/gogrok: A simple, easy to use ngrok alternative (self hosted!) - gogrok - Gitea: Git with a cup of tea

Hey @eldersnake@yarn.andrewjvpowell.com I just came across this cool little project recently. Not written by me sadly 😂 But seems like it would do the trick nonetheless 🤣 – How are you going with PageKite? Is it still working okay for your Yarn pod powered by the outback of down under? 😅 LMK if you’d like me to spin this up anad you can be my first tester 🤙

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docker_blog
feeds.twtxt.net
 (3y ago)

Apache Log4j 2 CVE-2021-44228
We know that many of you are working hard on fixing the new and serious Log4j 2 vulnerability CVE-2021-44228, which has a 10.0 CVSS score. We send our #hugops and best wishes to all of you working on this vulnerability, now going by the name Log4Shell. This vulnerability in Log4j 2, a very common Java […]

The post Apache Log4j 2 CVE-2021-44228 appeared first on Docker Blog. ⌘ Read more

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