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

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Archive for November 14th, 2018

Setting the sound volume through NirCmd – Windows command line tool

Posted by jpluimers on 2018/11/14

I needed this during logon on Windows machines to set the sound volume: [WayBackNirCmd – Windows command line tool set-soundvolume-25-percent.bat:

:: requires
:: 100% = 65535
nircmd setsysvolume 16000

Works on all Windows versions (7-10) I tested so far.


There are way sexier ways to do this, but they were all too convoluted for the time I had to get this to work.

For the future:


Posted in Batch-Files, Development, Power User, Scripting, Software Development, Windows | Leave a Comment »

How to automatically choose a label color to contrast with background | TrendCT

Posted by jpluimers on 2018/11/14

Choosing label colours other than black or white is like making a dynamic mouse cursor that inverts the colours underneath it: it fails horribly in the low contrast regions, and looks very strange on pink-noise backgrounds.

This approach is uses black and white depending on the perceived brightness:

[WayBack] How to automatically choose a label color to contrast with background | TrendCT:

What would data viz be without labels? Just viz, that’s what. This guide aimed at web designers discusses how to choose a label text color with enough contrast.

Via: [WayBack] For all those people incapable of choosing the right color combinations. – Thomas Mueller (dummzeuch) – Google+


Posted in Algorithms, Color (software development), Development, Software Development, Usability, User Experience (ux) | Leave a Comment »

Inline images in reStructuredText

Posted by jpluimers on 2018/11/14

Source: reStructuredText Directives – Images:

Inline images can be defined with an “image” directive in a substitution definition.

The |biohazard| symbol must be used on containers used to
dispose of medical waste.

.. |biohazard| image:: biohazard.png


Posted in Development, Lightweight markup language, reStructuredText, Software Development | Leave a Comment »

Saving windows command prompt history to a file – Charlie Arehart’s ColdFusion Troubleshooting Blog

Posted by jpluimers on 2018/11/14

Dumping the command prompt history

From [WayBackSaving windows command prompt history to a file – Charlie Arehart’s ColdFusion Troubleshooting Blog:

doskey /history

gives you the command history.

Redirecting with >, >> or piping with | allows you to save this to a file or filter the output.

Found via: [WayBackHow I can export the history of my commands in Windows(7) Command Prompt? – Stack Overflow

Shells that do support persistent history

Note that the command history is not persistent. If you want that, then there are two other shells that support persistent history:

Both of these found through [WayBackwindows – Is there a global, persistent CMD history? – Server Fault.


Posted in Microsoft Surface on Windows 7, MS-DOS, Power User, Windows, Windows 7, Windows 8, Windows 8.1 | Leave a Comment »

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