"For comprehension" is a another syntaxe to use map, flatMap and withFilter (or filter) methods.
yield keyword is used to aggregate values in the resulting structure.
This composition can be used on any type implementing this methods, like List, Option, Future...
| Latency Comparison Numbers (~2012) | |
| ---------------------------------- | |
| L1 cache reference 0.5 ns | |
| Branch mispredict 5 ns | |
| L2 cache reference 7 ns 14x L1 cache | |
| Mutex lock/unlock 25 ns | |
| Main memory reference 100 ns 20x L2 cache, 200x L1 cache | |
| Compress 1K bytes with Zippy 3,000 ns 3 us | |
| Send 1K bytes over 1 Gbps network 10,000 ns 10 us | |
| Read 4K randomly from SSD* 150,000 ns 150 us ~1GB/sec SSD |
| ############################################# | |
| # Push de la rama actual | |
| git push origin $rama_actual | |
| ############################################# | |
| # Volver a un commit anterior, descartando los cambios | |
| git reset --HARD $SHA1 | |
| ############################################# | |
| # Ver y descargar Ramas remotas |
