Monday, October 24, 2016

Tip to speed up the Android Studio project build compilation process

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Android Studio builds Android projects with the default Gradle property settings. If you find the build process taking a long time and you...
Monday, October 17, 2016

Example efficient two pass Spatialite query to find if a point is inside a polygon

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A spatial query can be expensive to run in terms of CPU processing power. In order to improve the query performance, typically, a first pass...
Monday, October 10, 2016

Simple C# example for creating and using a Spatialite database

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A Spatialite database is just a SQLite database loaded with Spatialite module extensions including tables, triggers, functions etc. It is th...
Monday, October 3, 2016

Replaying network packets captured in a PCAP file

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Some devices broadcast GPS positions over the network and saved into a PCAP file. Incidentally, PCAP stands for Packet CAPture . I got hol...
Monday, September 26, 2016

WebApp for converting local date time to GPS week and seconds of week

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This online calculator can convert the local date time values into the equivalent GPS week and seconds of week. The GPS leap seconds from 19...
Monday, September 19, 2016

Create a Windows Installer using CMake and CPack

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CMake can be used to create a Windows installer with CPack and NSIS (Nullsoft Scriptable Install System). NSIS can be downloaded from  ht...
Monday, September 12, 2016

C++ example code for reading an Sqlite database from multiple threads

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SQLite works well with threads as long as a single thread has its own database connection, or so they say in the documentation. I wanted to ...