Useful tips for everyday
How do you test low voltage lighting? To test the voltage delivered to a light, remove the bulb and apply the multimeter’s leads to the…
How to calculate number of rows in soql query? To discover the number of rows that a query returns, use the aggregate function COUNT ()…
What is the relation between phase shift and frequency in low pass filter? The center frequency (=1) has a phase shift of +45°. If the…
Can you burn mixed gas? Yes, you may pour the unused fuel mixture into your car, provided you don’t fill the tank with the stuff.…
How to add apppart to a page on subsite? I am using SharePoint online via Office 365. I am having trouble adding a custom task…
Is there email Withoutcom? You can create a professional email address without the need for a website, and you can do it with or without…
Can I have multiple OpenVPN connections? The OpenVPN Connect Client does not support having multiple networks connected at the same time on purpose. It’s meant…
What can cause overfitting? Overfitting happens when a model learns the detail and noise in the training data to the extent that it negatively impacts…
Do square waves exist in nature? There is not much before humans came along that could produce so many high frequency waves, but humans invented…
Is gradient a convex function? Gradient descent is a popular alternative because it is simple and it gives some kind of meaningful result for both…