The Wiert Corner – irregular stream of stuff

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

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Reminder to self: get less dependent on the various clouds

Posted by jpluimers on 2021/06/04

For my link archive: [WayBack] Grote Google-storing trof Gmail, YouTube en diensten van derden – IT Pro – Nieuws – Tweakers.

It has some interesting tips for IoT video doorbell products that are less depending on single-choice clouds:

EvilPlatypus 
@terradrone • 3 juni 2019 10:38
Er bestaan er minimaal eentje; smart deurbel met camera en evt speaker, eigen intern netwerk, compatible met SIP (en video), zelf verantwoordelijk voor opnamen, etc. Enige nadeel is dan wel de prijs, het is een Duits kwaliteitsproduct, dus reken rond de 350 euro voor het absolute basismodel. Doorbird heet het; oa te koop bij Robbshop en CoolBlue of direct bij de fabiraknt’s website.
seba
@controvi • 3 juni 2019 15:49
Nee hoor, ze hebben een LAN API: https://www.doorbird.com/downloads/api_lan.pdf?rev=0.25

 

dasiro
@controvi • 3 juni 2019 17:52
Je moet je huis flink geautomatiseerd hebben wil je echt nut van die api willen hebben.

als je alles zelf in de hand wil hebben doe je dat ook. Je zorgt er zelf voor dat je webinterface via een externe URL bereikbaar is en dan is het enkel je eigen hardware en internetverbindingen die als SPOF dienen en je kan dan ook makkelijker van solution-provider wisselen zonder vast te zitten.

 

mahsalti
@controvi • 3 juni 2019 13:24

wellicht is dit een oplossing voor jou?

https://www.instructables…oorbell-for-Less-Than-40/

 

–jeroen

Posted in Cloud Apps, Internet, IoT Internet of Things, Network-and-equipment, Power User | Leave a Comment »

Persevereren / Niet-zichtbare gevolgen / Gevolgen | Hersenletsel-uitleg.nl

Posted by jpluimers on 2021/06/04

Voor mijn link archief:

Persevereren is afgeleid van het woord persevere en beteken letterlijk het herhalen of doorgaan met een handeling, een woord, een beweging maar zelfs ook het voortzetten van een emotie.

[WayBack] Persevereren / Niet-zichtbare gevolgen / Gevolgen | Hersenletsel-uitleg.nl

–jeroen

Posted in About, LifeHacker, Personal, Power User | Leave a Comment »

VMware ESXi: VMware Tools Installed but not running

Posted by jpluimers on 2021/06/04

Sometimes you get this situation on a Windows VM, usually after a reboot but not logging on:

Networking No network information
VMware Tools Installed but not running

A “Windows” “VMware Tools” “Installed but not running” – Google Search mostly gives results about the VMware tools installation ISO being malformed, the registry not being correct, or having Linux as guest:

In practice though, there is a really good change that your default power settings allow Windows to go to sleep after some time of activity. The Windows VM then really sleeps, including services and network adapters. Then VMware ESXi thinks the machine has no VMware tools running:

I have noticed this on ESXi 6.5 and 6.7 with both Windows 7 and Windows 10. It is broader though, as others have seen this in ESXi 5.x as well: [WayBack] VMware Communities : All Content – VMware ESXi 5.

Verifying sleep is enabled

This little trick shows you the various possible sleep states:

C:\>powercfg /availablesleepstates
The following sleep states are available on this system: Standby ( S1 )
The following sleep states are not available on this system:
Standby (S2)
        The system firmware does not support this standby state.
Standby (S3)
        The system firmware does not support this standby state.
Hibernate
        Hibernation has not been enabled.
Hybrid Sleep

Disabling sleep

If you search for “sleep” in the [WayBack] Powercfg command-line options | Microsoft Docs, you have a hard time finding these:

/change or /X

Modifies a setting value in the current power scheme.

Syntax:

/change  setting  value

Arguments:

setting
Specifies one of the following options:

  • monitor-timeout-ac
  • monitor-timeout-dc
  • disk-timeout-ac
  • disk-timeout-dc
  • standby-timeout-ac
  • standby-timeout-dc
  • hibernate-timeout-ac
  • hibernate-timeout-dc
value
Specifies the new value, in minutes.

Examples:

powercfg /change monitor-timeout-ac 5

in order to disable sleep, you hav disable the standby timeouts (suffix -ac means “Plugged in” and -d means “On battery”) by setting their values to 0 (zero) minutes as UAC elevated Administrator:

powercfg /change standby-timeout-ac 0
powercfg /change standby-timeout-dc 0

This is far less than in WayBack – FutureMark forums – windows 7 – how do i disable SLEEP mode via command line ? (via [WayBack] Disable Sleep mode using powercfg – it.megocollector.com), but this is really all you need, as it correctly disables sleeping:

Later I found that [WayBack] windows 7 – How to disable sleep mode via CMD? – Super User also shows this shorter solution.

Note you need to run those on as UAC elevated user, which you can check for using the net session trick in [WayBack] windows – Batch script: how to check for admin rights – Stack Overflow.

–jeroen

Posted in Conference Topics, Conferences, ESXi6.5, ESXi6.7, Event, Power User, Virtualization, VMware, VMware ESXi | Leave a Comment »

List views in Oracle database – Oracle Query Toolbox

Posted by jpluimers on 2021/06/03

[WayBack] List views in Oracle database – Oracle Query Toolbox

A. All views accessible to the current user

select owner as schema_name, 
       view_name
from sys.all_views
order by owner, 
         view_name;

B. If you have privilege on dba_views

select owner as schema_name, 
       view_name
from sys.dba_views
order by owner, 
         view_name;

(more details in the above post)

–jeroen

Posted in Database Development, Development, OracleDB | Leave a Comment »

Thread by BiancaPrins: 8 simple steps to improve your site accessibility

Posted by jpluimers on 2021/06/03

[WayBack] Thread by @BiancaPrins: “@jpluimers @rulesbyrosita in begint met simpele dingen: 1) plaats alternatieve tekst bij foto’s (of duidelijke omschri […]” #toegankelijkheid #IT #a11y.

I need to translate it:

#toegankelijkheid in #IT begint met simpele dingen:

1) plaats alternatieve tekst bij foto’s (of duidelijke omschrijving eronder)
2) Voorzie filmpjes van ondertiteling en audiodiscriptie
3) gebruik standaard headers altijd in de juiste volgorde

#a11y 1/2

4) bij laag contrast ‘merk kleuren’ groter lettertype en bold font
5) bij voorkeur geen Italic font gebruiken
6) zorg dat alleen links underlined zijn en hyperlink met ‘weer te geven tekst’
7) duidelijke structuur
8) ‘knoppen’ voorzien van label
#toegankelijkheid #IT #a11y 2/2

Via: [WayBack] Jeroen Pluimers on Twitter: “Wat kan ik beter doen op https://wiert.me ? Hoewel eigenlijk bedoeld voor mezelf als offline geheugen, trekt het dagelijks een berg bezoekers, dus het kan vast beter toegankelijk worden…”

Related:

–jeroen

Posted in accessibility (a11y), Development, Software Development, Usability, User Experience (ux) | Leave a Comment »

Who maintains GExperts · GitHub?

Posted by jpluimers on 2021/06/03

I wnder who maintains [WayBack] GExperts · GitHub:

GExperts has 4 repositories available. Follow their code on GitHub.

It has not been updated for about 5 years, but contains some important bits.

–jeroen

 

Posted in Delphi, Development, GExperts, Software Development | 1 Comment »

Microsoft subdomains

Posted by jpluimers on 2021/06/02

Almost every company I know has more than one subdomain, but while researching why support.microsoft.com could not be archived in the WayBack machine, I realised how many they have and bumped into a few sites listing most of them:

All via microsoft.com subdomains – Google Search.

–jeroen

Posted in Development, DNS, Internet, Power User, Software Development, Web Development | Leave a Comment »

Every site should have a script like web.archive.org/__cleancookies__.html

Posted by jpluimers on 2021/06/02

I run in too many sites that keep creating new cookies, but never delete the old ones, ultimately leading to 5xx errors.

Every site should have a page like [WayBack] web.archive.org/cleancookies.html that cleans non-current cookies.

So I copied toe source to [WayBack] Copy of https://web.archive.org/cleancookies.html · GitHub for inspiration to look at.

–jeroen

Read the rest of this entry »

Posted in Development, Power User, Software Development, Web Development | Leave a Comment »

Delphi: Passing build variables to batch files; I think the easiest is to use environment variables

Posted by jpluimers on 2021/06/02

A long time ago, I wrote about Delphi prebuild/prelink/postbuild events.

In practice, especially that you cannot inherit build events, then add new ones (), it is convenient to put all you need in a script, for instance a batch file.

Passing parameters to that script, then in my experience, is easiest to do as environment variables.

That way you can do this in a script:

> %temp%\build.txt echo ~dp0=%~dp0
>> %temp%\build.txt echo $(BDS)=%BDS%
>> %temp%\build.txt echo $(INPUTDIR)=%INPUTDIR%
>> %temp%\build.txt echo $(PROJECTDIR)=%PROJECTDIR%
>> %temp%\build.txt echo $(OUTPUTDIR)=%OUTPUTDIR%
>> %temp%\build.txt echo $(Platform)=%Platform%

if "%OUTPUTDIR:~0,2%"==".." set OUTPUTDIR=%INPUTDIR%%OUTPUTDIR%
>> %temp%\build.txt echo $(OUTPUTDIR)=%OUTPUTDIR%

Passing the parameters and calling the script results in this build event contents:

set Platform=$(Platform)
set INPUTDIR=$(INPUTDIR)
set PROJECTDIR=$(PROJECTDIR)
set OUTPUTDIR=$(OUTPUTDIR)
call ..\post-build-event.bat

The IDE then shows this fragment in the project output:

Target PostBuildEvent:
    set Platform=Win32&&set INPUTDIR=D:\Versioned\TestRepostitory\Test Project With Spaces\&&set PROJECTDIR=D:\Versioned\TestRepostitory\Test Project With Spaces&&set OUTPUTDIR=..\EXE Output Directory With Spaces\&&call ..\post-build-event.bat

The above batch file also shows things:

  1. how to handle relative directories in the OUTPUTDIR build parameter: check if the first two characters are .. (trick via [WayBack] Check if Batch variable starts with “…” – Stack Overflow).
  2. spaces are handled fine without any need to double quote the set assignments
  3. build-event lines are concatenated using the && success operator
  4. Parameters INPUTDIR and OUTPUTDIR end with a backslash, but PROJECTDIR does not (Delphi prebuild/prelink/postbuild events explains more about the parameters).

Note:

  • environment variable BDS does not end in a backslash
  • expansion %~dp0 does end in a backslash

With this trick now you can copy BPL files for the right platform:

xcopy /y "%BDS%\Redist\%Platform%\rtl250.bpl" "%OUTPUTDIR%"

Note that the LibSuffix (with value 250 for Delphi 10.2 Tokyo) is not available as environment variable, nor build parameter. The environment variable ProductVersion however (with value 19.0 for Delphi 10.2 Tokyo) is. So technically, you could make a mapping.

–jeroen

Posted in Conference Topics, Conferences, Delphi, Development, Event, Software Development | Leave a Comment »

The two states of a programmer, a superposition

Posted by jpluimers on 2021/06/01

I have no idea how old it is, but it is still so true:

The two states of a programmer:

  • I am God.
  • I have no idea what I am doing.

Every programmer exists in a superposition of these two states. The exit code will determine which.

I saved the reddit thread of the image, and would love to know who to attribute the quote and image to.

[WayBack] Every programmer exists in a superposition of these two states. The exit code will determine which. : ProgrammerHumor.

[WayBack] Reddit image lno93dc8d5c21.jpg (600×450):

–jeroen

Read the rest of this entry »

Posted in Development, Fun, Software Development | Leave a Comment »

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