Useful tips for everyday
How do I set app permissions in Settings? Change app permissions On your phone, open the Settings app. Tap Apps & notifications. Tap the app…
Why does adding a new value to list < > overwrite? So if I have a row with a string value of “foo” and I…
How do you calculate the efficiency of a gas turbine? The overall balance equation looks like this in its simplified form: Shaft Power =Fuel Energy–Power…
Is there a way to read cookies in JavaScript? Reading cookies is also really simple using JavaScript by accessing the document.cookie object: To get all…
How do you use nested tables? How to Create Nested table type collection based on primitive datatype Step 1: Set Server output on. SET SERVEROUTPUT…
Can you have two OBD ports? Easy answer: One at a time The OBD-II port can’t be split or have a hub like USB. It’s…
What are the components of a form? Layout of forms, key components – digital guide Text and colours. Form title. Contact information. Form headings. Progress…
Is the kernel loaded into memory? The entire kernel is loaded into memory at boot, typically along with an initramfs nowadays. (It is still possible…
Should you include primary key in index? Non-clustered indexes implicitly include the clustered index keys automatically. So if your primary key is clustered (not a…
How do I know if an email is still active? Visit www.mailtester.com , enter the email address and it will show you if its active…