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TapTempo
This small SQLPage example shows how to :
- save request logs to the database
- display graphs
- make computations on the database
- write a custom component with HTML and CSS
TapTempo: a webapp to measure the tempo of a song
TapTempo is a webapp that lets you measure the tempo of a song by tapping on a button in rhythm with the music.
It is a simple example of a webapp that stores data in a database, and displays graphs.
Implementation
At each tap, the webapp sends a request to the server, which stores the timestamp of the tap in the tap table.
A window function is used to compute the tempo of the song from the timestamps of the last two taps.