Interesting: [WayBack] DBA Blog 2.0: Installing Zabbix into Azure using a MySQL PaaS
–jeroen
Author Archive
DBA Blog 2.0: Installing Zabbix into Azure using a MySQL PaaS
Posted by jpluimers on 2019/01/04
Posted in *nix, Azure Cloud, Cloud, Cloud Development, Development, Infrastructure, Monitoring, Power User, Software Development, Windows Azure, Zabbix | Leave a Comment »
The IOTAComponent.SetPropByName, when used for an integer property, always sets that property to 0 instead of the desired value.
Posted by jpluimers on 2019/01/03
Reminder to self: [WayBack] …The IOTAComponent method SetPropByName, when used for an integer property, always sets that property to 0 instead of the desired value…. – Thomas Mueller (dummzeuch) – Google+
Fix in GExperts for the Rename Component functionality in [WayBack] GExperts / Code / Commit [r2318]: Workaround for an apparent OTA-bug: IOTAComponent.SetPropByName for integers always sets the property to 0 instead of the given value. Now we compare the values and if they don’t match use RTTY on the NativeObject to set it. This seems to work. (The bug exists on Delphi 2007 and 10.2, I haven’t tested other versions. The bugfix also works on these versions.):
VInteger := StrToInt(Value);
Result := AComponent.SetPropByName(PropertyName, VInteger);
+ if AComponent.GetPropValueByName(PropertyName, TempInt) then begin
+ // Setting an integer property often (always?) fails, so we check the value here and if
+ // it is different, we use the native object to set the value. This works.
+ // (Example: Try to set the Interval property of a TTimer. It always gets set to 0.)
+ // This happens in Delphi 2007 and 10.2, I haven't tested other versions.)
+ // -- 2018-07-16 twm
+ if TempInt <> VInteger then
+ SetPropValue(NativeObject, PropertyName, VInteger);
+ end;
Only the IOTAComponent interface is mentioned (only once!) in the documentation at [Archive.is] Using Editor Interfaces – RAD Studio, so I have ambivalent feelings on how important this is for Embarcadero to fix IOTAComponent.SetPropByName.
It has been broken since at least Delphi 2007 as per GExperts fix and XE3 as per [RSP-20895] IOTAComponent.SetPropByName always sets an integer to zero – Embarcadero Technologies.
–jeroen
Share this:
Posted in Delphi, Development, Software Development | Leave a Comment »
Testing SMTP from the console on Linux, BSD and Mac OS: swaks and smtp-cli Perl script clients
Posted by jpluimers on 2019/01/03
Testing SMTP using telnet is tedious as you have to remember the commands and responses in the SMTP protocol. It gets even harder when doing SMTP AUTH, as then you have to base encode a bunch of strings [WayBack] How to Test SMTP AUTH using Telnet [Wiki] | NDCHost
Luckily there is a Perl script swaks: [WayBack] Swaks – Swiss Army Knife for SMTP which does ESMTP and LMTP as well as TLS.
The funny thing is that the repository at jetmore/swaks: Swaks – Swiss Army Knife for SMTP only has the readme, but the not the script which you can get from [WayBack] swaks.pl.
Despite that, most Linux distributions have an installation package.
[WayBack] swaks for OpenSuse is in the [WayBack] network repository, so for Tumbleweed (actually: Factory) on Raspberry Pi you need to perform this:
zypper addrepo http://download.opensuse.org/repositories/network/openSUSE_Factory_ARM/network.repo
zypper refresh
zypper install swaks
On Mac OS X it is even easier: if you have the homebrew package manager installed, you just install the [WayBack] swaks formula using the [WayBack] swaks.rb script:
brew install swaks
Note there is also the smtp-cli Perl script which I mentioned before at Fake/Mock SMTP servers and services for use during development, which also does TLS, but few environments have ready built packages for them. If you still want to try it out:
- [WayBack] smtp-cli — command line SMTP client
- [WayBack] mludvig/smtp-cli: The ultimate command line SMTP client
- [WayBack] smtp-cli.pl
For SMTP AUTH:
swaks -tls --to jeroen.wiert.me@pluimers.com --from jeroen.wiert.me@pluimers.com --server smtp.xs4all.nl --auth-user username
Which prompts for the password, then outputs like this:
=== Trying smtp.xs4all.nl:25... === Connected to smtp.xs4all.nl. <- 220 smtp-cloud3.xs4all.net ESMTP ESMTP server ready -> EHLO rmbpro1tbjwp <- 250-smtp-cloud3.xs4all.net hello [188.206.68.219], pleased to meet you <- 250-HELP <- 250-AUTH LOGIN PLAIN <- 250-SIZE 157286400 <- 250-8BITMIME <- 250-STARTTLS <- 250 OK -> STARTTLS <- 220 Ready to start TLS === TLS started with cipher TLSv1:DHE-RSA-AES256-SHA:256 === TLS no local certificate set === TLS peer DN="/OU=Domain Control Validated/OU=PositiveSSL Wildcard/CN=*.xs4all.nl" ~> EHLO rmbpro1tbjwp <~ 250-smtp-cloud3.xs4all.net hello [188.206.68.219], pleased to meet you <~ 250-HELP <~ 250-AUTH LOGIN PLAIN <~ 250-SIZE 157286400 <~ 250-8BITMIME <~ 250 OK ~> AUTH LOGIN <~ 334 ############ ~> anA= <~ 334 ############ ~> ############################ <~ 235 ... authentication succeeded ~> MAIL FROM:<jeroen.wiert.me@pluimers.com> <~ 250 <jeroen.wiert.me@pluimers.com> sender ok ~> RCPT TO:<jeroen.wiert.me@pluimers.com> <~ 250 <jeroen.wiert.me@pluimers.com> recipient ok ~> DATA <~ 354 enter mail, end with "." on a line by itself ~> Date: Wed, 19 Jul 2017 09:09:57 +0200 ~> To: jeroen.wiert.me@pluimers.com ~> From: jeroen.wiert.me@pluimers.com ~> Subject: test Wed, 19 Jul 2017 09:09:57 +0200 ~> Message-Id: <20170719090957.052207@rmbpro1tbjwp> ~> X-Mailer: swaks v20170101.0 jetmore.org/john/code/swaks/ ~> ~> This is a test mailing ~> ~> . <~ 250 smtp-cloud3.xs4all.net accepted mail mXA71v00C4jr6ac01XA9Bo for delivery ~> QUIT <~ 221 smtp-cloud3.xs4all.net ESMTP closing connection === Connection closed with remote host.
–jeroen
Share this:
Posted in *nix, *nix-tools, Communications Development, Development, Hardware Development, Internet protocol suite, Linux, openSuSE, Power User, Raspberry Pi, SMTP, SuSE Linux, Tumbleweed | Leave a Comment »
Various online CSV to Markdown converters: best is Markdown Tables generator – TablesGenerator.com
Posted by jpluimers on 2019/01/03
TL;DR: use Markdown Tables generator – TablesGenerator.com as it has the most features.
A few tools that help converting CSV (with separators like comma, semicolon and tab) to Markdown online:
- [Archive.cs] Markdown Table Maker
- Supports:
- Use first line as headers
- Auto detection of separator
- Tab separated
- Comma separated
- Semicolon separated
- Does not support:
- Quote characters
- Supports:
- [WayBack] CSV to Markdown Table Generator — Donat Studios
- Supports:
- Use first line as headers
- Tab separated
- Comma separated
- Semicolon separated
- Does not support:
- Quote characters
- Supports:
- [WayBack] Markdown Tables generator – TablesGenerator.com
- Supports auto detection of:
- Use first line as headers
- Tab separated
- Comma separated
- Semicolon separated
- Quote characters
- Supports auto detection of:
–jeroen
Share this:
Posted in CSV, Development, Lightweight markup language, MarkDown, Power User, Software Development | Leave a Comment »
android – How to release a Firemonkey control properly, in this case a child form with a parent? – Stack Overflow
Posted by jpluimers on 2019/01/02
For my archive as [Archive.is] TFmxObject.Release is deprecated since Delphi 10.2 Tokyo, and – worse – broken on some platforms: [WayBack] android – How to release a Firemonkey control properly, in this case a child form with a parent? – Stack Overflow
TFmxObject.ReleaseusesTThread.ForceQueueinternally, and that’s currently broken under Android (see discussion above).As a workaround, a working cross-platform version for releasing an object from its event handler would be
procedure TForm.CloseBtnClick(Sender: TObject); begin Parent := nil; TThread.CreateAnonymousThread( procedure begin TThread.Synchronize(nil, procedure begin Self.DisposeOf; end); end).Start; end;Instead of
Synchronizeyou can also useQueuein above method.What is important to keep in mind is that you should not keep any other references to the control you are releasing or you may hit the trouble down the road.
Via:
[WayBack] What are the solutions for a wizard like application (a single form with content changed depending on some action) in Firemonkey?
–jeroen
Share this:
Posted in Delphi, Development, Software Development | Leave a Comment »
Reddit: parodies on O RLY Books
Posted by jpluimers on 2019/01/02
Many more “Essential Programming Guides” that are not in the O RLY Parody Book Generator for Slack are at [WayBack] O RLY Books.
Related: [WayBack] generate (500×700)
–jeroen
Share this:
Posted in Development, Fun, Quotes, Software Development, T-Shirt quotes | Leave a Comment »
Google Search string for either docwiki, Delphi 2007 or Delphi 2009 docs
Posted by jpluimers on 2019/01/02
These search the Delphi 2007 docs:
Similar for Delphi 2009 docs
The second ones search just English, and the first searches all languages.
Given the Google search indexing, the first might give a lot of Japanese search results:
I made shortcuts for the English one in Chrome:
Search engine definition Search engine Delphi 2007 docs Keyword d2007 URL with %s in place of query https://www.google.com/#q=site:docs.embarcadero.com/products/rad_studio/radstudio2007/RS2007_helpupdates/HUpdate4/EN+%s
Search engine definition Search engine Delphi 20079 docs Keyword d2009 URL with %s in place of query https://www.google.com/#q=site:docs.embarcadero.com/products/rad_studio/delphiAndcpp2009/HelpUpdate2/EN+%s
I did the same for the docwiki (where you cannot distinguish between languages in a generic way for all Delphi versions, as the language comes after the Delphi version and the kind of documentation (CodeExamples, Libraries, etc.)):
Search engine definition Search engine Docwiki (all EN/DE/FR/JP) Keyword docwiki URL with %s in place of query https://www.google.com/#q=site:docwiki.embarcadero.com+%s
Reasoning:
- It’s the earliest Delphi version having documentation on-line in HTML format.
- The foundations of the RTL/VCL structure has not changed since then
- The links can be archived in the WayBack machine and still look nice after archiving (no CSS fuzz that makes archived pages hard to read)
–jeroen
Share this:
Posted in Delphi, Delphi 2007, Development, Software Development | 2 Comments »
Technical Leadership in Software Companies
Posted by jpluimers on 2019/01/01
When leading a tech team, the first thing you should do this year is read [WayBack] Technical Leadership in Software Companies.
It helps you learn about what developers want and how they want to be managed.
Quoting the author:
Software developers have to be managed differently than people in other industries because their work is intellectual in nature. I took the audience through ways in which technical leadership can inspire software developers to achieve the extraordinary.
Via:
- [WayBack] This article has been running around in my head for ages. Thanks @SoftwareYoga, one more item of my to do list! Technical Leadership in Software Compani… – Marjan Venema – Google+
- [WayBack] This article has been running around in my head for ages. Thanks @SoftwareYoga, one more item of my to do list! Technical Leadership in Software Compani… – Ondrej Kelle – Google+
Share this:
Posted in Agile, Development, Software Development | Leave a Comment »
The biggest lie I tell myself is not about new years resolutions.
Posted by jpluimers on 2019/01/01
The biggest lie I tell myself is “I don’t need to write that down, I’ll remember it”
It’s likely older, but the oldest reference I could find was 2012 [WayBack].
So before I forget:
Happy New Year everyone!
With the above quote, it is no coincidence I started my blog even earlier (in 2009): it’s my off-line memory, way better readable than my hand-writing and indexed by various search engines.
Share this:
Posted in About, Conference Topics, Conferences, Event, LifeHacker, Personal, Power User | Leave a Comment »
Easy Running of Scripts at Boot and Shutdown – SUSE Blog | SUSE Communities
Posted by jpluimers on 2019/01/01
Cool:
- Easy Running of Scripts at Boot and Shutdown – SUSE Blog | SUSE Communities [WayBack]
- opensuse – How to run my script after SuSE finished booting up? – Unix & Linux Stack Exchange [WayBack]
- [WayBack-only] systemd and using the after.local script in openSUSE 12.1/12.2/12.3 – Blogs – openSUSE Forums
- Debugging an /etc/init.d service when it fails silently [WayBack]
- shell – debugging /etc/init.d startup scripts in Ubuntu – Stack Overflow [WayBack]
- Debugging Bash scripts [WayBack]
/etc/init.d/after.local
–jeroen
Share this:
Posted in *nix, *nix-tools, bash, Development, Linux, openSuSE, Power User, Scripting, Software Development, SuSE Linux, Tumbleweed | Leave a Comment »
The Wiert Corner - irregular stream of stuff 