Useful tips for everyday
How do I swap iCloud accounts? Go to appleid.apple.com and sign in. In the Account section, choose Edit. Choose Change Apple ID. Enter the email…
What is a duplicate contact? Managing Duplicate Contacts Using Your Android™ Device (3:21) Duplicate contacts are really common, and they happen when you’re syncing contacts…
Is 230V compatible with 220V? 220/230/240 are the same thing, really (There are several three-phase systems in the US, with various voltages involved, but they…
What is Magnetic timeline in Final Cut Pro? The timeline “magnetically” adjusts clips to fit around clips that you drag into place. If you drag…
Which interrupt is called scheduler? The timer interrupt handler runs the OS scheduler. If the process that was just interrupted has used up its time…
What is the symbolic derivative? A symbolic differentiation program finds the derivative of a given formula with respect to a specified variable, producing a new…
How do NULL values affect performance in a database search? As Quassnoi mentionned, NULLs are not indexed in Oracle, or to be more precise, a…
What do Facebook and Twitter have in common? Perhaps the biggest similarity between Facebook and Twitter is the enormous popularity of both social networks, not…
Can you paint 3D objects in Photoshop? You can use any Photoshop painting tools to paint directly on a 3D model just as you would…
Is Shapiro-Wilk Test good for large sample size? The Shapiro-Wilk Test is more appropriate for small sample sizes (< 50 samples), but can also handle…