Useful tips for everyday
When to use custom sorting in SQL ORDER BY clause? The field being sorted by could have a number of different values – for the…
What does the sum of squares between groups mean? Again, as we’ll formalize below, SS(Error) is the sum of squares between the data and the…
How do I get the full path of a file in Python? Get the path of running file (. py) in Python: __file__ os.getcwd() and…
How do I fix my camera on Google Hangouts? How do I fix google hangouts camera not working? Make sure your hardware isn’t to blame.…
Does VPN hide my MAC address? VPN service encrypts your connection data, that said, it does not change your MAC address. VPN service encrypts your…
How do I activate the number pad on an external keyboard? Go to Start, then select Settings > Ease of Access > Keyboard, and then…
Why are my iPhone calendar invites not being received? If you’re not receiving notifications about events and shared calendars while signed in to iCloud.com or…
How can you change the density of an object? What can change density: 1) Adding or removing mass but not changing the volume. Increasing or…
Are virtual dice random? Virtual dice, like the one above, are almost always based on pseudo-random number generating algorithms, which are also not truly random.…
How do you find the category of an item? Item category controls the item behavior . e.g. Item category define that item is relevant for…