Archive for May, 2014

Friday, May 30th, 2014

Sankey diagrams of careers after degree

Ben Schmidt has made an interactive visualization to explore the careers of college graduates using Sankey diagrams from D3 in Javascript. I hope I need to make a visualization for the web soon, so that I can play with D3. Why is funeral service so popular with math majors (though I’m not sure what “Miscellaneous […]

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Tuesday, May 27th, 2014

IDLdoc 3.6 beta

I haven’t released IDLdoc for awhile and quite a few new features have accumulated1 (download): Checks for updates when using the VERSION keyword. Added Exelis VIS Doc Center output. Reporting only non-empty, non-comment lines in routines/files now. Improved algorithm for computing cyclomatic complexity and also reporting modified cyclomatic complexity. Updated to MathJax 2.0 and using […]

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Friday, May 23rd, 2014

Bike use visualizations

Strava is a popular app for tracking your runs and rides. But the accumulated data that can be explored through the Strava Labs Global Heatmap is amazing! It is fun to look around and explore my area’s use for rides and runs. (But, I could have told you that 4th St. was bike highway for […]

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Tuesday, May 20th, 2014

Online help lookup in IDLdoc trunk

When using the rst markup, IDLdoc has been able to lookup the names of routines, files, directories, keywords, etc. when referencing them using syntax like: ; :Returns: ; Returns a string array for the names if `NAMES` keyword is set. Here a link to the “NAMES” keyword is created automatically by IDLdoc. IDLdoc searches the […]

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Tuesday, May 13th, 2014

IDL online help bookmarklet

One thing that I have to do regularly is send people a link to a particular page of IDL’s documentation. The problem is that I normally browse the local documentation from the ? command a the IDL prompt which opens a local webpage in my browser, but is not accessible to someone else on their […]

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Wednesday, May 7th, 2014


One of the features I was most excited about in CUDA 6 is the drop-in library (nvBLAS) support for BLAS. The idea is to use LD_PRELOAD when launching IDL to indicate that BLAS should be coming from the nvBLAS instead of the BLAS implementation that would normally be found, e.g., in IDL’s case, the […]

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