Author Archives: Dennis

Fun with C++11 Lambdas

Basic lambda syntax and usage in c++11. Illustrate the difference between context parameters passed by reference and value. Continue reading

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git diff with color words

I had these files with very very long lines of text on each line. It was paragraphs worth of words but not word wrapped. These files were stored in a git repository. Now and then, someone would change a word. … Continue reading

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Storing Lipo batteries for faster charging times and longer lipo life

I just finished a quick flight at the park with my Trex 550e. What a fun bird to fly. That picture was taken last year on a nice summer morning. No pictures today but it’s the same heli. Anyway, the … Continue reading

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Quick convert raw g711 uLaw audio to a .au file

I had reason to playback some raw g.711 audio data. I made the following script to convert the data to a .au file that is playable. From the AU file spec.. which is way simple by the way: You just … Continue reading

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How to correctly calculate break even time on a refinance – For Math Geeks

After my last post on refinancing, I found a refinance calculator on Zillow.com that compared loans the way I suggested. It has a shortfall though, it calculates break even time with the difference in your new payment compared to the … Continue reading

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Should I refinance my house?

OK, disclaimer: I’m not a financial professional. That said, I do enjoy financial topics and am somewhat of a hobbyist. I’ve written articles in the past about how I do envelope budgeting with Gnucash for instance. That said, I’ve been … Continue reading

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