The Wiert Corner – irregular stream of stuff

Jeroen W. Pluimers on .NET, C#, Delphi, databases, and personal interests

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Archive for June, 2024

Firex 230V koppelbare rookmelders, type KF20 en KF20R, levensduur 10 jaar

Posted by jpluimers on 2024/06/28

Een aantal PDF bestanden, omdat we Kidde rookmelders hadden en deze daarmee koppelbaar zijn: “Koppelmogelijkheden: 24 Firex en Kidde melders zijn bedraad koppelbaar”

  • [Wayback PDF View/PDF View] [Wayback/Archive] 14fcff3ca6395ea19180-e28dea9290b98a380fe8af8e9eca99dc.ssl.cf3.rackcdn.com/pdf-16131960.pdf “Firex 230V koppelbare rookmelders, type KF20 en KF20R, levensduur 10 jaar”

    Montage methode

    De Firex melders zijn voorzien van een “push-fit” stekker met 15 cm bekabeling om de melder op de huisbedrading aan te sluiten.

    De KF20 en KF20R passen direct op de montageplaat van de eerdere modellen Firex 4973 en 4985. Om stof tijdens verhuizing te voorkomen wordt een stofkap bijgeleverd.

    Koppelmogelijkheden

    Maximaal 24 Firex en Kidde rook-, hitte-, en CO-melders kunnen doorgekoppeld worden, met 6 melderaccessoires (relaismodule, flitslicht, trilkussen etc.).

    Vervuilingscompensatie

    Vervuiling van de optische kamer wordt automatisch gecompenseerd om onnodige alarmen tegen te gaan.

    Rookmelders worden toegepast in ontsnappingsroutes en verblijf- ruimtes van woonhuizen waar gevaar is voor ontbranding van meubilair en/of elektrische installaties. Plaats de Firex hitte- melder KF30 of KF30R in stoffige, vochtige ruimtes of in keukens.

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Posted in DIY, Power User, Security | Leave a Comment »

Thread by @malmoeb on attacks: Visibility is key for eradication

Posted by jpluimers on 2024/06/28

[Wayback/Archive] Thread by @malmoeb on Thread Reader App: Visibility is key for eradication.

The thread is about attacks on networks with Windows machines, but the concept works on all networks.

Start of thread: [Wayback/Archive] Stephan Berger on Twitter: “1/ Visibility is key for eradication 🥷 In a recent IR case, the TA created persistences with #QakBot on almost every system in the network. If only individual systems in the network were forensically examined, one or more infected systems would undoubtedly be missed. 🧵”

The gist is to setup your network monitoring in such a way that you can quickly identify compromised systems based on network traffic patterns.

–jeroen

Posted in LifeHacker, Pen Testing, Power User, Security, Windows | Leave a Comment »

Homelab: 2U server, short depth, with front IO, based on Ampere Altra and Asrock Rack ALTRAD8UD-1L2T motherboard

Posted by jpluimers on 2024/06/27

For my link archive: [Wayback/Archive] Homelab: 2U server, short depth, with front IO, based on Ampere Altra and Asrock Rack ALTRAD8UD-1L2T motherboard

Pictures from the above post below the post signature.

Via [Wayback/Archive] Nicolas Massé on X: “I wrote an article on my last build for the Homelab: 2U server, short depth, with front IO, based on @AmpereComputing Altra and @ASROCKRACK ALTRAD8UD-1L2T motherboard. 🥳 ➡️ … /cc @Newegg @JoeSpeeds”.

Motherboard: [Wayback/Archive] Asrock Rack Bundle ALTRAD8UD-1L2T Deep Micro-ATX Server Motherboard Single Socket (LGA 4926) with Ampere Altra M128-26 128 cores & 2U passive cooler, Dual 10G – Integrated by Asrock Rack – Newegg.com

--jeroen

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Posted in ARM, Assembly Language, Development, Hardware Development, Power User | Leave a Comment »

Diagnosing ThinkPad T510 shutting down after ~30 seconds: heat problem?

Posted by jpluimers on 2024/06/27

A while ago, [Wayback/Archive] Jeroen Wiert Pluimers on Twitter: “The ThinkPad T510 problem was easier to resolve than anticipated: a dust problem after all. This video helped opening up the internals: www.youtube.com/watch?v=vrjoiH5LS3g When it re-occurs, the next step is remove fan, re-apply thermal paste then add fan again. Thanks for all the tips!”

Below are some pictures (including some great tools I made/have) which I made after disassembling according to this video: [Wayback/Archive] Lenovo ThinkPad T510 disassembly and fan demontage [no audio]. – YouTube

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Posted in Hardware, Power User, T510, ThinkPad | Leave a Comment »

GitHub – KirillOsenkov/LargeAddressAware: A build tools package that adds support for making 32-bit exes LARGEADDRESSAWARE (and some words on a 64-bit Delphi product)

Posted by jpluimers on 2024/06/26

[Wayback/Archive] GitHub – KirillOsenkov/LargeAddressAware: A build tools package that adds support for making 32-bit exes LARGEADDRESSAWARE

Hopefully this can be applied to Delphi projects as well. If not then in Delphi you can manually call this in an post-build task.

Addition late 20240626

[Wayback/Archive] Kirill Osenkov: “@wiert I also found that you can…” – Mastodon

@wiert I also found that you can target AnyCPU 32-bit preferred and it will give you the same address space. So that tool is only for x86.

Via [Wayback/Archive] Meik Tranel on X: “Please for the love of all that is holy. Do not build #dotnet tools to serve a non interactive task that is supposed to be run during a build – use an #MSBuild task package. Also #JS/#NPM devs should not be allowed to write tooling. Thanks for coming to my ted talk…”.

The Delphi bit inspired a few months ago by: [Wayback/Archive] Andreas on X: “Will there ever be a 64bit Delphi IDE or at least a LargeAddressAware version. Our Projekt crashes the IDE between 14-18 compilations because it runs out of memory. Maybe I have to patch the IDE myself by moving all .NET and Compiler memory allocations above the 2 GB address.”

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Posted in .NET, Conference Topics, Conferences, Continuous Integration, Delphi, Development, Event, msbuild, Software Development | Leave a Comment »

Delphi has had a more type safe FreeAndNil or a while now, but in order to do so it lies to you

Posted by jpluimers on 2024/06/26

During my year+ of cancer treatments, Embarcadero did a tiny thing that makes [Wayback/Archive]FreeAndNil safer to use. In order to do so, the method now lies to you by taking a const [ref] parameter which technically it is not allowed to change, but the internal hackery allows it to. Dalija Prasnikar explained it in 2020: [Wayback/Archive] Magic behind FreeAndNil.

The new signature is this:

procedure FreeAndNil(const [ref] Obj: TObject); inline;

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Posted in Conference Topics, Conferences, Delphi, Delphi 10.4 Sydney (Denali), Delphi 11.0 Alexandria (Olympus), Development, EKON, Event, Software Development | 2 Comments »

Lots of interesting programming learning games links via b0rk on Twitter

Posted by jpluimers on 2024/06/25

Every once in a while, b0rk (Julia Evans, of [Wayback/Archive] wizard zines fame) asks interesting questions like below that results in lot of cool links.

I have blogged assemblies of them before (see for instance Lots of interesting git links via b0rk on Twitter) and this one is no different:

[Wayback/Archive] Julia Evans on Twitter: “what are some helpful programming learning games? thinking of things like mystery.knightlab.com for SQL, and flexboxfroggy.com, and ohmygit.org especially interested in games that have helped you learn something”

The response was overwhelmingly good (I tried to indicate when games are not free or not playable from a web browser). I summarised it below.

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Posted in *nix, *nix-tools, Conference Topics, Conferences, CSS, Database Development, Development, DVCS - Distributed Version Control, Event, Games, git, Multi-Threading / Concurrency, Power User, RegEx, Scripting, sh, Sh Shell, Software Development, Source Code Management, SQL, Web Development | Leave a Comment »

Deleted Tweet Finder

Posted by jpluimers on 2024/06/24

[Wayback/Archive] Deleted Tweet Finder taught me there is another web page archival site next to the Wayback Machine and Archive.is (also known as Archive Today): GhostArchive which was established in 2021 right when I was recovering from more than a year of cancer treatments.

They have quite a few ways to address an archived URL of which this is the main entry point: https://ghostarchive.org/search?term=https%3A%2F%2Ftwitter.com%2Fhisvault_eth%2Fstatus%2F1802834724114649422

Reminder to self: figure out the URLs that trigger archival.

Via

Note that the Google Webcache is not really an archival site, nor is there possibility to trigger archival.

The URL structure there is https://webcache.googleusercontent.com/search?q=cache:https%3A%2F%2Ftwitter.com%2Fhisvault_eth%2Fstatus%2F1802834724114649422 (the part after cache: is the page link after URL encoding)

--jeroen

Posted in archive.is / archive.today, Archiving, Internet, InternetArchive, Power User, WayBack machine | Leave a Comment »

Does Google Photos allow you to tag faces yet?

Posted by jpluimers on 2024/06/24

Reminder for me to check if Google Photo’s allows you to tag people in individual photo’s.

[WayBack] https://twitter.com/dflieb/status/1146174112890408960:

Yes, I am aware that Google Photo’s apps (on at least Android) allow you to attach names to photo’s is selects as unrecognised.

I mean the other way around: have photo with one or more faces on it, then tag each face by hand.

Via: [WayBack] Google Photos will let you manually tag faces it doesn’t recognize

–jeroen

Posted in Google, Google Photos, Power User | Leave a Comment »

Symbolen in de trein voor de diverse soorten zones in coupés/rijtuigen

Posted by jpluimers on 2024/06/21

[Wayback/Archive] www.ns.nl/binaries/_ht_1528098947038/content/assets/ns-nl/stationsinformatie/voorzieningen-in-de-verschillende-intercitys.pdf is voor mij nieuw, want ik reis nauwelijks per trein:

Werken en rustzone

Deze zone is ingericht om rustig te reizen.
Hier kan de reiziger lezen, werken, slapen of
zachtjes praten. De stoelen staan daarom
zoveel mogelijk achter elkaar en niet
tegenover elkaar.

[Wayback PDF View/PDF View]

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Posted in LifeHacker, Power User | Leave a Comment »