Useful tips for everyday
How is a random sample selected? Under simple random sampling, a sample of items is chosen randomly from a population, and each item has an…
How do I cast a list of objects? you can always cast any object to any type by up-casting it to Object first. in your…
How do you select data records from a table? To select all columns of the EMPLOYEES Table: Click the icon SQL Worksheet. The SQL Worksheet…
How do I reset app defaults? Reset all app preferences at once Go to Settings > Apps. Tap the three dots in the upper-right corner.…
Where is MongoDB config file? The MongoDB configuration file is located at /opt/bitnami/mongodb/mongodb. conf. The official MongoDB documentation has more details about how configure the…
What is peak voltage and peak-to-peak voltage? Peak-to-peak voltage is a parameter measured between the maximum signal amplitude value and its minimum value (which can…
How do I reset my Itunes password without email? Accounts with two-step verification Go to your Apple ID account page and click “Forgot Apple ID…
How does BLDC ESC work? An ESC or an Electronic Speed Controller controls the brushless motor movement or speed by activating the appropriate MOSFETs to…
How do I set up a web farm? To install and configure an IIS web farm, follow the steps listed. Step 1: Install IIS Web…
What is the formal definition of Big O notation? Big O notation (with a capital letter O, not a zero), also called Landau’s symbol, is…