Monday, February 24, 2014

Create an Android PreferenceScreen using Java, not with XML

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The Android preference fragment/activity is usually used to show a list of shared preferences for users to interact with. The list of the p...
Monday, February 17, 2014

How to upload, update and save an image file to Google Drive using Javascript

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This is a simple Javascript Google Drive example web app to load an image file from a local drive, write some text on the image, then save ...
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Monday, February 10, 2014

Trainsity Vancouver Android App

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Find your way around metropolitan Vancouver's SkyTrain network using the high resolution vector maps of the Canada , Expo , and Millenni...
Monday, February 3, 2014

How to display a preview of CSS fonts in a Select Option drop down menu

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The HTML Select Option element is normally used to display a list of options for users to make a choice. I wanted to use the option list fo...
Monday, January 27, 2014

Free 30 day trial LiDAR LAS Viewer from GeoKno

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I tried out a free 30 day trial software LASViewer from GeoKno on some of my LiDAR LAS files. I found the software to have good display po...
Monday, January 20, 2014

Measure geodesic area on Google Maps

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This Google Mapplet can be used to measure polygonal area and perimeter on a sphere in Google Maps using an open source library Geographic...
Monday, January 13, 2014

Offline method to check a Javascript file for coding errors

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There a a few web sites that can perform Javascript code checking for errors, but I wanted an offline method for those times when I am not o...