Eight practical ways to solve Spark data skew
What is data skew?
For distributed big data systems such as Spark/Hadoop, the large amount of data is not scary; what is scary is data skew.
For dis...
I saw on the Internet that "after the battery is disconnected, the power of the mobile phone is provided by the charger. At this time, the battery is in a dormant state, neither charging nor dischargi...
[i=s]This post was last edited by yangjiaxu on 2019-1-16 23:49[/i] I have been so depressed these past two days. I have not been able to log in to the Rapid IOT Studio online development environment. ...
[i=s]This post was last edited by Xiaotaiyangyy on 2021-8-11 14:49[/i]The silk screen on it says 96 TI. Is this from Texas Instruments? Why can't I find it?Because it is not clear, I re-uploaded...
TI's touch chip MSP430FR2633 touch solution can support proximity sensing. Generally, the proximity sensing PCB Sensor will be placed close to the machine casing. Antistatic tests will be performed du...
Like other MCUs, we can test the performance of RP2040 by calculating pi.import gc
from utime import ticks_ms, ticks_diffdef pi(places=100):# 3 + 3*(1/24) + 3*(1/24)*(9/80) + 3*(1/24)*(9/80)*(25/168)#...