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

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Archive for the ‘LifeHacker’ Category

Long video to explain a 1 part water 2 parts rubbing alcohol works great as de-icer (This Weatherman Reveals The Secret To Defrosting Your Windshield In SECONDS – YouTube)

Posted by jpluimers on 2021/01/29

Save yourself the data fee, 1:50

–jeroen

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DC connectors used by APC :Anderson Powerpole – Wikipedia

Posted by jpluimers on 2021/01/29

Different keying for each colour in the SB50 series. Note that black and grey are keyed the same making them interchangeable.

Different keying for each colour in the SB50 series. Note that black and grey are keyed the same making them interchangeable.

I bumped into [WayBack] Anderson Powerpole – Wikipedia through Cheap VS Expensive Solar Panels | 12v Touring | Project Cyan – YouTube.

APC uses some of these connectors (I have seen the yellow, blue and grey ones) in many of their systems: [Archive.is] apc battery connectors – Google Search

Images from wikipedia.

Quotes from the article:

Powerpole connectors are physically and electrically hermaphroditic, thus avoiding the need to worry about which end is the plug and which the socket, or which end has the correct polarity.

The Anderson Powerpole connector is more expensive than the older de facto standards of the two-wire trailer plug and the Molex connector, but provides a more reliable electrical connection (both mechanically and electrically), and is easier to adapt to a wider range of wire gauges.[19] Another advantage over the older trailer or Molex connectors is the Powerpole’s superior ratings to withstand 100,000 no-load insertions and 250 hot-plugs at full load. The specific hermaphroditic nature of the powerpoles is a significant advantage since batteries can be both a power source or a power sink, a power supply can be connected to a radio and/or a battery, and multiple batteries, radios, and/or redundant power sources can be connected in parallel using the same power distribution panels.

For use in amateur radio, the community has adopted a standard color code, polarity, and specific physical arrangement for assembling pairs of Powerpole connectors. One red and one black powerpole housing can be physically arranged in 4 topologically different mechanical orientations (red left, red right, red top, red bottom – when viewed from contact side with tongue up), 2 of which are mechanically incompatible (connectors won’t mate with ARES) and 1 is electrically incompatible (will mate but reverse polarity) with the ARES standard; there are also additional unusual configurations in which one housing is rotated 90 degrees. The standard is red positive and black negative. When viewed from the contact side, a mnemonic for remembering the arrangement is: “Red [on] Right — Tongue [on] Top” (note the first letter alliteration).

Anderson Powerpole 15/30/45 ampere housings and contacts (front view)

Anderson Powerpole 15/30/45 ampere housings and contacts (front view)

Cutaway view of housing (side view)

Cutaway view of housing (side view)

–jeroen

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PassProtect – Chrome Web Store

Posted by jpluimers on 2021/01/25

[Archive.is] PassProtect – Chrome Web Store:

Stop using bad passwords. PassProtect alerts you about breached credentials. Powered by “Have I Been Pwned?”.

Interesting plugin. Will try this soon.

Via:

–jeroen

 

Posted in Authentication, Chrome, Firefox, LifeHacker, Power User, Security, Web Browsers | Leave a Comment »

Some Dutch curfew (avondklok) links, including English forms (at the bottom of the post)

Posted by jpluimers on 2021/01/24

Valid reasons:

English (Dutch)

  • I need to work and I have an employer’s declaration with me. (Ik moet werken en heb de Werkgeversverklaring Avondklok
    bij me).
  • I need urgent medical assistance or my pet needs urgent veterinary assistance. (Ik heb dringend medische hulp nodig of
    een dier heeft dringend medische hulp nodig).

    • Explanation (Toelichting):
  • Someone needs my urgent assistance. (Iemand anders heeft dringend mijn hulp nodig).
    • Explanation (Toelichting):
  • I am travelling to a destination outside the Netherlands and I have travel documents and other documents
    proving this is the reason I need to be outdoors between 21:00 and 04:30. (Ik reis naar het buitenland en kan met (reis)
    documenten aantonen dat ik daarom tussen 21.00 – 04.30 uur buiten ben.)
  • I am going to or returning from a funeral and I can prove this. (Ik ben onderweg van of naar een uitvaart en kan dit aantonen).
  • I am travelling in connection with a summons issued by a court or public prosecutor, or in connection with a court
    hearing in objection, judicial review or appeal proceedings, and I can prove this. (Ik ben onderweg in verband met een
    oproep van een rechter, officier van justitie of bezwaar- of beroepschriftencommissie en kan dit aantonen).
  • I am travelling to or from a live programme and have an invitation from the broadcaster to prove this. (Ik ben
    onderweg van of naar een live-programma en kan dit aantonen met een uitnodiging van de omroep die dit programma uitzendt.)
  • I am going to or returning from an exam that I must sit and I can prove this (applies to students in secondary
    vocational education (MBO) and higher education (HBO and university)). (Ik ben onderweg van of naar een examen of
    tentamen dat ik moet afleggen voor mijn opleiding op het mbo, hbo of wo en kan dit aantonen.)

Dutch

  • Ik moet werken en heb de Werkgeversverklaring Avondklok bij me.
  • Ik heb dringend medische hulp nodig of een dier heeft dringend medische hulp nodig. Toelichting:
  • Iemand anders heeft dringend mijn hulp nodig. Toelichting:
  • Ik reis naar het buitenland en kan met (reis)documenten aantonen dat ik daarom tussen 21.00 en 04.30 uur buiten ben.
  • Ik ben onderweg van of naar een uitvaart en kan dit aantonen.
  • Ik ben onderweg in verband met een oproep van een rechter, officier van justitie of bezwaar- of beroepschriftencommissie en kan dit aantonen.
  • Ik ben onderweg van of naar een live-programma en kan dit aantonen met een uitnodiging van de omroep die dit programma uitzendt.
  • Ik ben onderweg van of naar een examen of tentamen dat ik moet afleggen voor mijn opleiding op het mbo, hbo of wo en kan dit aantonen.

For my link archive:

–jeroen

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Ruimere tijden grofvuil wegens avondklok – Gemeente Amsterdam

Posted by jpluimers on 2021/01/24

U kunt uw afval de avond voor de ophaaldag vanaf 18.00 uur buiten zetten. Op de ophaaldag kunt u uw afval voor 7.00 uur buiten zetten.

Source: [Wayback] Ruimere tijden grofvuil wegens avondklok – Gemeente Amsterdam

–jeroen

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Ga met een gerust hart op vakantie met WoonVeilig beveiligingsset – CooleSuggesties

Posted by jpluimers on 2021/01/22

Ik had al eerder over woonveilig geschreven (Ik ben wat verward over de @WoonVeilig site. https://t.co/ui8agTkgM9 heeft het bijvoorbeeld over GATE-03 en GATE-02, maar…), nu iets meer over de installatie handleidingen van GATE-03:

De aanmeldprocedure brengt je naar [Archive.isalarmsysteem.woonveilig.nl/nl_NL_woonveilig/registratie, die voor registratie nog verwijst naar:

Een paar tips tijdens de registratie en gebruik:

–jeroen

 

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Anyone tried #Telegram to communicate securely?

Posted by jpluimers on 2021/01/22

Below are a few comments from [WayBack] Anyone tried #Telegram to communicate securely? Some nice features there… Looks way more secure than WeChat and all that. Thoughts? https://telegram…. – Jason Mayes – Google+.

The consensus seems to be

  • Signal is the way to go for secure chat. It is open source too.
  • When chatting with groups of people, there is technical security, but not social security.
  • Telegram is easier to use than some other chat platforms, and has a large user base.

The comments:

  • Ryan Ostendorf's profile photo
    Telegram is pretty nice, but its security leaves much to be desired. If it’s security and true privacy you want, Signal is the way to go.
  • M.A. Zaki's profile photo
    Hi+Ryan Ostendorf signal is indeed a way to go but didn’t have big users number compared to Telegram.
  • Wayne Harris's profile photo

    I use telegram, discord, slack & hangouts for variousn groups i talk with. Of those, telegeam is my preferred for ease of use etc. One thing i would like to see is a “index” of groups to maybe easier prioritise what i want to read (a-la how discord wokrs with its different servers) but im so used to the flat style of telegram/hangouts that i dont have a huge issue with its current design

    Re security, im not an expert, but it seems ok, with multuple options available. Havent heard of anything being intercepted/hacked, but who really know what our alien overlords – err governments – and other interested parties are up to behind the scenes.

  • oon arfiandwi (OonID)'s profile photo
    I use telegram more than whatsapp. I found many technical group discussion (at least for Indonesian) because telegram supports a huge amount of members per group.
    also, the telegram bot and channel give a unique feature for a developer to build an application on top of it.
  • Jason Mayes's profile photo
    +Ryan Ostendorf oooh thanks I shall check it out
  • Jason Mayes's profile photo
    Thanks everyone for feedback!
  • Leo Turing's profile photo
    I am using Telegram for 5 years now. Far faster and better than WhatsApp in many ways.
  • Christopher Gaul's profile photo

    It’s security level depends on who you ask. If you take their word at face value it’s great. If you believe the rumors it’s totally bent by U.S. surveillance agencies.

    Feature wise it’s decent otherwise.

    A few of us are on the hunt for a good, secure, multi platform messaging platform to replace Hangouts when they kill that. We’ve narrowed it down to a few that we’re testing.

    Signal was good until they killed their linux and browser clients.

    Retroshare is on the to test list along with…

    Viber.

    Tox.

  • epsi nurwijayadi's profile photo

    I have been a telegram user since october 2017.

    And I wonder, how do telegram make profit.

    Who is paying for the server to be alive ?

  • Christopher Gaul's profile photo
    Side note. You can just assume that any product based out of the U.S. or any Five Eyes country is not secure. I wouldn’t trust anything EU based either. What’s that leave you?
  • Christopher Gaul's profile photo
    +epsi nurwijayadi
    The NSA no doubt is footing the bills.
  • x Meta x's profile photo
    For dependable privacy, I use two cans and a string.
  • Jason Mayes's profile photo
    +x Meta x I can use a laser pointed at your string to measure the sound being transferred over it though
  • x Meta x's profile photo

    +Jason Mayes …..

    …. Curses! Foiled again!

  • Wayne Harris's profile photo
    I use the postal service. Nobody sends anything via that these days other than birthday cards from Nanna’s, so my most private missives go conpletely un-noticed by the authorities
  • epsi nurwijayadi's profile photo
  • Jason ON's profile photo
    I downloaded Telegram yesterday, in fact. Haven’t had a chance to try it out yet as I don’t know anyone using it. I had thought it would be more like BBM, with public groups in a social media-lite feature, but it’s not.
  • M.A. Zaki's profile photo
    +Jason ON telegram got more than that. The setting let you do much more.
  • epsi nurwijayadi's profile photo
    I remember getting very happy, when I got telegram from my father when I was a kid in about 80s. He had duty in other island faraway from home.
  • Willem Oosting's profile photo

    +Jason Mayes Check out Keybase.io they strike a sweet balance between Wire-like security (encrypted group chats), and Telegram-like usability/looks. And I thought it’s FOSS!

    Keybase

    Keybase
    keybase.io
  • Robert Wallis's profile photo

    Telegram has a very tempting feature set for a “messaging” service.

    I have recently started using it. Top reasons I like it so far are the ability to add a username, which means I can be available without giving people my phone number.

    My URL 👉 t.me/qwallis

    Also the ability to have branded public broadcast channels is different. I’ve set one up for London Meet-ups for +Happening London the URL for that is here 👉 t.me/HappeningLondon

    Any public post cam be embedded, so I’m surfacing the next meet-up on the +Happening London web site too 👉 happeninglondon.co.uk

    Those feature (and others) make Telegram interesting.

  • Christopher Gaul's profile photo

    +Robert Wallis I agree. With the caveat that this is as long as you aren’t expecting 100% guaranteed secure communications.

    Of course the question of whether such a thing even exists is valid. But in Telegram’s case, at least expect your local Five Eyes government surveillance state to be “reading” them.

  • Jonas Hellström (shellström)'s profile photo
    I’m giving Matrix/Synapse and riot.im a whirl.
    Mostly because I can selfhost it, and it’s got some good things going for it, like encrypted convos.
    They still got a mile or two on their clients and that’s where I’m holding off on inviting everyone and their dogs until there’s something that can be used by more people without becoming a troubleshooting nightmare/”this isn’t as easy as whatsapp. Can’t we use messenger instead?” kind of deal.

    Riot – Riot – open team collaboration

    Riot – Riot – open team collaboration
    about.riot.im
  • Robert Wallis's profile photo

    +Christopher Gaul yeah, but where aren’t they?

    As far as I understand Telegram has been validated for “secret chats” between two users, where security models are more easily implemented, but for groups of up to 200,00 that’s never going to be “secret” just hidden, and public broadcast channels are … well public.

–jeroen

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Thought experiments can help you solve a problem early

Posted by jpluimers on 2021/01/21

Important logical principle to take away from [WayBack] The dialog manager, part 2: Creating the frame window – The Old New Thing:

If you’re not sure whether something is true, ask yourself, “What would the world be like if it were true?” If you find a logical consequence that is obviously wrong, then you have just proven [by contradiction] that the thing you’re considering is indeed not true.

Thought experiments like these can really help you get a feel for parts of a problem before you completely resolve the full problem.

Related: Thought experiment – Wikipedia

–jeroen

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The messenger – Delta Chat – Email Based Instant Messenger; based on IMAP push

Posted by jpluimers on 2021/01/18

[WayBack] The messenger – Delta Chat: Delta Chat – Email Based Instant Messenger

From the FAQ at [WayBack] Help – Delta Chat:

What are the advantages of Delta Chat compared to other messengers?

  • Independent of any company or services. You own your data.
  • Your data are not saved on a central server; this way, in contrast to most other messengers, Delta Chat even protects your metadata (who writes to whom?)
  • You do not distribute your address book to anyone.
  • Fast by the use of Push-IMAP
  • Largest userbase – receivers not using Delta Chat can be reached as well
  • Compatible – not only to itself
  • Elegant and simple user interface
  • Distributed system
  • No Spam – only messages of known users are shown by default
  • Reliable – safe for professional use
  • Trustworthy – can even be used for business messages
  • fully Open Source and Standards based

What if the receiver does not use Delta Chat?

  • The receiver will get a normal email then – if he replies to it, you will see the reply in the Delta Chat app.

Releases: [WayBack] DeltaChat multi-platform releases rolling … – Delta Chat

Repositories via [WayBack] Contribute – Delta Chat:

Via:

–jeroen

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Hoe we omgaan met kwetsbaren: UWV en de Wajong. Het UWV weet het ook allemaal niet meer, en bepaalt volgend jaar wat je dit jaar had mogen krijgen

Posted by jpluimers on 2021/01/17

[Archive.is] jim faas 🍀 (@🏠) on Twitter: “LEES DE BRIEF van UWV aan een Wajonger EN HUIVER❗️ ✅de regels zijn aangepast ✅de zoveelste keer 🤭 ✅niemand kon er nog een touw aan vastknopen 👉Pepijn krijgt uitleg 👉hij snapt het weer niet worden gecompliceerde regelingen expres bedacht voor de meest kwetsbaren? /1… “

via:

Thread: [Wayback] Thread by @JimFaas on Thread Reader App – Thread Reader App

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