DanM

DanM has asked 46 questions and find answers to 7 problems.

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About

I'm a lead software systems engineer at a large government-funded nonprofit. My expertise is in web development, machine learning, visualization, iOS, and being generally delightful.

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DanM questions

iOS: sharing a transparent UIImage w/ UIActivityViewController?
Javascript: Efficiently find whether two GeoJSON features overlap?
Determining whether geographic point is within X meters of a state border (using shapefile for border data)
iPhone (SDK 2.2): adusting playback volume while NOT actively playing music w/ AVFoundation?
Efficiently iterate through all MATCHING keys in a hashmap?
iOS: How to trim silence from start and end of .aif audio recording?
Priority queue (or min-heap) with O(log n) deletion of arbitrary node
MathJax or similar: render arbitrary HTML element inside expression?
Replace-root-view-controller custom segue with animation?
KML + Google Earth: Make a Polygon or GroundOverlay clickable?

DanM answers

iPhone (SDK 2.2): adusting playback volume while NOT actively playing music w/ AVFoundation?
UIScrollView animation of height and contentOffset "jumps" content from bottom
Displaying a progress indicator during UIActivityItemProvider activity
Using UIImagePickerController to get image -- how to know whether to save PNG or JPEG?
UIActivityItemProvider's -item method: waiting for an NSURLConnection?
MongoDB Map Reduce: Auto-created index name too long, possible to customize?