Useful tips for everyday
What is the main reason for using 400 Hz instead of 60 Hz AC power supply in the aircraft? Induction motors turn at a speed…
How to reduce the number of arcsoc instances? Once the request is done being handled, that ArcSOC.exe process is free to be used by any…
What is the shape of Shift key? To draw auto shapes with equal proportions (When you draw a rectangle while holding the ‘Shift’ key, you…
How to count unique distinct values based on a date? The array formula in cell D3 calculates the number of unique distinct items based on…
How do I stop sudo from asking for a password? Enable sudo without password in Ubuntu/Debian Open the /etc/sudoers file (as root , of course!)…
How do I sync Word documents with iCloud? Turn on Desktop and Documents From your Mac, choose Apple menu > System Preferences. Click Apple…
What are the rules on spelling? Spelling Rules Every word has at least one vowel. Every syllable has one vowel. C can say /k/ or…
How do I setup email on Samsung Galaxy s4? Add From any Home screen, tap the Menu key. Tap Settings. Tap the Accounts tab. Tap…
Where are WordPress menus stored? Your actual menus get stored in ‘wp_terms’. WordPress is confusing with this terminology. In the interface, it has ‘display locations’…
What is the use of relational calculus in DBMS? The relational calculus consists of two calculi, the tuple relational calculus and the domain relational calculus,…