Useful tips for everyday
How do I stop Gmail from deleting emails? The only absolute way of preventing from deleting accidentally in Gmail for now, is to follow two…
What is the circuit symbol of AND gate? The symbol is an AND gate with a small circle on the output. The small circle represents…
How do you update a many to many relationship? To update a many-to-many relationship in the connected state: Load an entity at one end of…
How do you insert text into the input at the current cursor position? First, get the current position of cursor with the help of property…
What happens when your iTunes Match subscription expires? Once an iTunes match subscription expires you lose access to music in the cloud except for past…
What is FM transmitter and receiver? The transmitters are those devices which is used to send frequency modulated wave through a band and the receivers…
Can you calculate standard deviation with 1 values? If you have just one number or a million numbers that are exactly the same (such as…
Should I enable database cache? Object caching involves storing database query results so that the next time a result is needed, it can be served…
How can I understand any code? What’s the best way to read and understand someone else’s code? Find one thing you know the code does,…
How do you know if a truth table is valid? In general, to determine validity, go through every row of the truth-table to find a…