Useful tips for everyday
What is CRC method? CRC or Cyclic Redundancy Check is a method of detecting accidental changes/errors in the communication channel. CRC uses Generator Polynomial which…
What does a z0 9 mean in regex? In a regular expression, if you have [a-z] then it matches any lowercase letter. [0-9] matches any…
What is the purpose of stall strips on airplane wings? Stall strips are usually located near the inboard leading edge area of the wing. Their…
How does the path work in bash script? The value of PATH is actually fixed. Then, what about the bashrc trick? Bashrc is a bash…
What does CB mean in statistics? controlled branching This chapter presents statistical results for controlled branching (CB) processes. What does CB stand for? Citizens’ Band…
How do you call a method dynamically in Java? Dynamically Invoking Java Methods You can call methods, retrieve properties, and set properties on controls that…
How do you calculate NDVI in Earth Engine? Calculate NDVI from the Sentinel-2 imagery NDVI is calculated as the normalized difference between the near-infrared band…
Are IR sensors waterproof? The infrared sensor is waterproof and dustproof. What is the cost of a proximity sensor? Questions & Answers on Proximity Sensor…
Is cos a characteristic function? Recall the property of characteristic functions that for X⊥⊥Y we have φX+Y(t)=φX(t)φY(t). This result also shows that cosn(t) is a…
Can I convert VGA to HDMI? If your computer has just a VGA output you’ll need a VGA-to-HDMI converter. This type of converter combines a…