Useful tips for everyday
Can we use ORDER BY with aggregate function? An aggregate function cannot be used directly in: an ORDER BY clause. Attempting to do so generates…
Can Google Maps show distance between two points? Touch and hold anywhere on the map. You’ll see a red pin appear. At the bottom, tap…
How do you choose a directional coupler? The magnitude of the output signal of dual directional couplers should be equal to the magnitude at the…
Why log transformations of many time series variables is often useful? For forecasting and economic analysis many variables are used in logarithms (logs). In time…
How do I log into PayPal without a phone number? Unfortunately it is not currently possible to use PayPal without a mobile phone number attached…
What is the difference between env and export? export is a bash builtin; VAR=whatever is bash syntax. env , on another hand, is a program…
Can you disable iMessage reactions? From the Settings app, you can disable notifications for all mentions. Open the “Settings” app on your iPhone or iPad…
How to make a 3D printed object smooth? Acetone mist reacts with the ABS part and starts melting the plastic in a very controlled and…
Are custom cars street legal? Making a kit car street legal means ensuring that all the necessary safety equipment is added to your car. In…
What does 1 ton refrigeration mean? • Refrigeration. A ton of refrigeration is a rate of heat transfer, not an amount of heat. One ton…