Martin's Margin

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A Raspberry Pi Powered Junk Drum Machine: 15 Steps (with Pictures)

7 hours 19 minutes ago
This Instructable will show you how to make a Raspberry Pi powered robotic drum machine. It really is a fun, creative, interactive project. I’ll show you how to make the internal workings, but the actual drums is going to be up to you, giving you the opportunity to make something completely unique to you. For my machine I have used as many found items as I can... hammers from a piano rescued from my neighbours skip, a fishing net I found on the beach, an empty bake bean can, wooden spoons, an empty beer bottle, beer bottle tops and a desk bell among other things, but let your imagination go crazy - see what you have around the house, just about anything that makes a noise when hit can be used, and it will really make your project your own.
martinto

GTD in 15 minutes – A Pragmatic Guide to Getting Things Done

1 month ago
GTD—or “Getting things done”—is a framework for organizing and tracking your tasks and projects. Its aim is a bit higher than just “getting things done”, though. (It should have been called “Getting things done in a much better way than just letting things happen, which often turns out not to be very cool at all”.)
martinto

CoreOS Container Linux Update Strategies

1 month 2 weeks ago
The overarching goal of Container Linux is to secure the Internet's backend infrastructure. We believe that automatically updating the operating system is one of the best tools to achieve this goal.
martinto

Using a MIDI Controller with Lightroom for a More Efficient Workflow

1 month 4 weeks ago
Editing images with software like Lightroom typically involves changing parameters like exposure, contrast, highlights, shadows, and so on for more than 90% of your work. These parameters are controlled using sliders that you have to drag with your mouse — sliders that emulate physical controls. But why not use such physical controls like sliders or control dials directly?
martinto

Diagnosing ASP.NET Core performance issues | On .NET | Channel 9

2 months ago
In the episode, Mike Russo shows us how we can use tools like PerfView and PerfCollect to diagnose performance problems in ASP.NET Core applications. He discusses how we can use the tools for performance analysis on both Linux and Windows servers. Also, we get a demo on how to inspect things like large object allocations, chatty SQL calls, and thread pool health.
martinto

Docker Tutorial Series

2 months 1 week ago
Unless you have intentionally decided to block any news around software in your social feeds, it is likely that you have heard about Docker.
martinto

Cost of Inkjet Printing Report Epson SureColor P600

2 months 1 week ago
This report addresses concerns and arguments about the true cost of ink in desktop photo printing.  Using the Epson SureColor P800, we conducted a series of print tests to determine how much ink is used in a full coverage 8”x10” print.  From that figure we extrapolated ink usage per square inch.  The objective is to share a realistic cost per print vision with inkjet users.  The choice to pursue photo inkjet printing is in the end an individual economic choice.
martinto

Martin Evening

3 months ago
"Lightroom automatically resizes the image data to the print size you have set in the Layout panel. Providing the print output image ends up falling within the range of 180 to 1440 ppi, there is no real need to use the Print Resolution option to interpolate the print data. Basically, Lightroom automatically applies the correct amount of sharpening on a sliding scale between 180 and 1440 ppi and it is best to let Lightroom work out the optimum pixel resolution and sharpening.
martinto

Martin Evening

3 months ago
"Lightroom automatically resizes the image data to the print size you have set in the Layout panel. Providing the print output image ends up falling within the range of 180 to 1440 ppi, there is no real need to use the Print Resolution option to interpolate the print data. Basically, Lightroom automatically applies the correct amount of sharpening on a sliding scale between 180 and 1440 ppi and it is best to let Lightroom work out the optimum pixel resolution and sharpening.
martinto

United Photographic Postfolios of Great Britain (UPP)

3 months 2 weeks ago
The UPP is a Photographic Club that comes to your door or online at regular intervals It does not matter whether your images are captured on film or digitally; whether the results are produced on a computer, in a darkroom or by a third party, you will find something in the UPP for you.
martinto

United Photographic Postfolios of Great Britain (UPP)

3 months 2 weeks ago
The UPP is a Photographic Club that comes to your door or online at regular intervals It does not matter whether your images are captured on film or digitally; whether the results are produced on a computer, in a darkroom or by a third party, you will find something in the UPP for you.
martinto