Useful tips for everyday
How do I upgrade rails version? Workflow for each major Rails upgrade (A) Update your Gemfile. Temporarily, set an exact Rails version, (e.g. gem ‘rails’,…
Why does my Gmail say account error? You’ll see this error if you’re syncing your email more often than your email provider allows. There are…
How to calculate the conditional variance of a GARCH model? As far is know the term conditional variances is used only in GARCH models. So,…
Should you close database connections? 2 Answers. For the purpose of safe coding, you should always close database connections explicitly to make sure that the…
What is difference in language spoken? There are many differences between spoken and written language. Spoken language involves speaking and listening skills whereas written language…
What test do you use to check for heteroscedasticity? F Test. F Test for heteroskedasticity under the assumption that the errors are independent and identically…
How do you clean a jerry can? the best way l have found to clean out is to put about 2 litres of water and…
How do you report a range of p values? In general, P values larger than 0.01 should be reported to two decimal places, those between…
When would you use a DC coupling on an oscilloscope? DC coupling allows you to see all signals from 0 Hz up to the max…
Which microcontroller is best for beginners? 1. Best Microcontroller for BeginnersArduino Uno R3. If you have interest in microcontrollers you’ve almost certainly heard of Arduino.…