The Wiert Corner – irregular stream of stuff

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

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Archive for the ‘Software Development’ Category

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Scopes and names can really be deceiving. A classes in a hierarchy can have members with identical names…

Posted by jpluimers on 2019/11/21

Examples like the one below from [WayBack] Scopes and names can really be deceiving. A root class and a descendant class can both have public fields, properties and methods with the same name… – Lars Fosdal – Google+ used to be part of the “language day” during my 5 day Delphi introductory courses.

Maybe I should find back more of those from the days, brush them up a little, then post them in a repository.

The thread has some nice references to tools that give better warnings and comparisons with other languages.

Anyone wanting to assist with that?

Example code

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

Any idea what exactly mean …licensed to test ??? My Delphi is…

Posted by jpluimers on 2019/11/20

Your Delphi “licensed to” might be totally different from what it is actually licensed to.

From [WayBack] Hello people, any idea what exactly mean …licensed to test ??? My Delphi is registered with a valid account, subscription, serial number and so on. – Dobrin Petkov – Google+, at least these sources might be used different from the actual licensee name:

  • the VLAN name
  • the Windows username of the one that installed it
  • the Windows licensee

–jeroen

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

git tag – How to delete a git remote tag? – Stack Overflow

Posted by jpluimers on 2019/11/20

When working with git, often the brevity of a solution is remarkable. Remembering how it can be so short is the hard part. An explanation why helps, for instance with [WayBack] git tag – How to delete a git remote tag? – Stack Overflow by markdorison.

He explains why you end up with:

git push --delete <origin> <tagname>

Here, <origin> is your remote, and <tagname> the tag to delete.

He explains other ways, which is done by [WayBack] gist.github.com/mobilemind/7883996 as well:


# delete local tag '12345'
git tag -d 12345
# delete remote tag '12345' (eg, GitHub version too)
git push origin :refs/tags/12345
# alternative approach
git push –delete origin tagName
git tag -d tagName

view raw

git-tag-delete-local-and-remote.sh

hosted with ❤ by GitHub

–jeroen

Posted in Development, DVCS - Distributed Version Control, git, Software Development, Source Code Management | Leave a Comment »

[Delphi] Delphi JSON Reformatter (text or html output) – Pastebin.com

Posted by jpluimers on 2019/11/19

I might need this in the future from Delphi: [WayBack] [Delphi] Delphi JSON Reformatter (text or html output) – Pastebin.com

Via [WayBack] I wrote a function to make JSON more readable, and naturally I wonder if I missed something crucial so that it eventually will break? There are probabl… – Lars Fosdal – Google+

–jeroen

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

Return empty cell from formula in Excel – Stack Overflow

Posted by jpluimers on 2019/11/19

I never thought you could do it, but you can: [Archive.is] Return empty cell from formula in Excel – Stack Overflow.

You have to crate:

  • a VBA function
  • a reference to a range that evaluates the function so it returns blank
  • a cell with a function that blanks the cell using the range

Convoluted, but clever!

–jeroen

 

Posted in Development, Excel, Office, Office VBA, Power User, Software Development | Leave a Comment »

Angle brackets in markdowndown needs to be escaped

Posted by jpluimers on 2019/11/19

A few days after filing <path> disappears from "Preview" rendering and also from actual rendering (at least in issues), I realised that this is by intent: Markdown allows to [WayBack] inline html which means that code like below will be all treated as such:

<path>

> <path>

*<path>*

**<path>**

> *<path>*

> **<path>**

The solution is to either escape or quote with back-ticks:

`<path>`

> `<path>`

*`<path>`*

**`<path>`**

> *`<path>`*

> **`<path>`**

Since WordPress also is based on pseudo-HTML codes, it too needs escaping.
–jeroen

 

Posted in Development, Lightweight markup language, MarkDown, Power User, Software Development | Leave a Comment »

ÜberPDF printing using a Delphi like canvas

Posted by jpluimers on 2019/11/15

For my link archive, as it has a lot of goodies in the comments, especially on how to avoid bitmaps in PDF emission: [WayBack] We took PDF to a whole new level today Load create, or editing a PDF in 2 lines of code using a simple Delphi (like) Canvas! We added a PDFPrinter and… – Joe C. Hecht – Google+

–jeroen

Posted in Delphi, Development, EPS/PostScript, PDF, Software Development | Leave a Comment »

SQL Server Downloads | Microsoft

Posted by jpluimers on 2019/11/14

[WayBack] SQL Server Downloads | Microsoft

Get started with Microsoft SQL Server downloads. Choose a SQL Server trial, edition, tool, or connector that best meets your data and workload needs.

Downloading offline installers is the same for both: run the .EXE, then choose to download off-line media.

This is much easier than subscribing to Visual Studio Dev Essentials below.

Then depending on the edition, make the choice:

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Posted in Database Development, Development, Software Development, SQL Server | Leave a Comment »

Great Innovators Start with Customer Struggles (Not Customer Needs)

Posted by jpluimers on 2019/11/14

Two very important quotes of a must-read article (reading of it takes ~5 minutes):

  • Teams create the most value for customers when they know the difference between customer needs and struggles
  • If we align our mental model to needs, we are missing opportunities to solve the underlying struggles in innovative ways.

Source: [Archive.is] Great Innovators Start with Customer Struggles (Not Customer Needs)

Via: [WayBack] Talking in terms of what customers need, limits options. Great Innovators Start with Customer Struggles (Not Customer Needs) – Marjan Venema – Google+

–jeroen

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

TTreeView: when HideSelection=True, use SetFocus() to update the current Selected state

Posted by jpluimers on 2019/11/14

Reminder to self: corner case, but sometimes useful. [WayBack] EDIT: Answered. The TTreeView.HideSelection was set to TRUE, so you needed TTreeView.SetFocus() to reflect in the UI the current state of TTreeView.sele… – Vin Colgin – Google+

–jeroen

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

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