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iBeacon heat map test
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About a month ago I had an opportunity to play with an iBeacon on the Android platform. My first task was to implement a proximity trigger to Android client for one of our apps at work (MylogFleet). As we played with it, we wanted a more precise data such as a heat map.
Hint
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Flipping in different programming languages and projects every day makes me want to store easy access files with many copy paste examples and notes. Everybody knows that the new features from any framework that you are currently reading will be needed in future.

Bill cropper
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We ran into a problem that people scanned more bills together, instead of one image - one document rule. So I decided to create a small script to recognize and crop these multi-bills images into separate images.
CodeIgniter log
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For the last few months we were working with the PHP CodeIgiter framework. Every time I was debugging and wanted to write down some variable I had to write this log_messge('error', $tog_this_var ). 18 characters! Horrible.
CI invalid session
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Lately at work we've ran into a strange behaviour of an irregular logging out in php framework CodeIgniter. We noticed this problem earlier on, but we couldn't repeat it on purpose. This behaviour occurred randomly.
Nxt drill photo printer
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This project consists of two parts. First is an android application which communicates via bluetooth with the Lego NXT cube. Merging these two things allows me to drill taken picture from android device with Lego constructed drill-printer.

Auto image rotation
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From time to time, everyone has a bunch images of text that they don't want to rotate one by one to their right orientation.