Browsing All Posts published on »June, 2011«

Screenshots on Samsung Galaxy S

June 19, 2011


Quick trick: how to take a screenshot on your Android Samsung Galaxy S? Press the back key and keep it pressed Press the home key and release it Release the back key You will hear a click if you are not in silent mode, and a new PNG image will appear in the ScreenCapture directory, […]

Unboxing Zephyr HxM heart sensor

June 18, 2011


I recently bought a Bluetooth cardio sensor, the Zephyr Hxm. Its selling points for me were the ability to use it together with my Android smartphone and the fact that Zephyr encourages developers to access its functionality through an open SDK. The package contains: The sensor, which is very light but feels sturdy. On the […]

PyPy as a faster alternative for Python

June 7, 2011


It came to my attention today that there’s an alternative interpreter for the Python language which is faster and often viable: it’s called PyPy and uses Just-In-Time compilation to execute Python code. Just-In-Time compilation is a technique that is used successfully in many projects: the .NET Framework, Java, QEMU, … and it has also been […]