Useful tips for everyday
How do you trick Google play into thinking you have a different device? You can use a VPN to fool Google into thinking your device…
How do I remove password from Raspberry Pi? To disable SSH login authentication you need to edit some files: /etc/ssh/sshd_config. Edit that file. PasswordAuthentication yes…
What query could you use to check replication lag on MySQL? The “SHOW SLAVE STATUS”: The MySQL DBA’s Mantra. In some cases, this is the…
What happens when there is no row in a query? If the inner query has no matching row, then it doesn’t return anything. The outer…
How do you set a zero flag? Along with a carry flag, a sign flag and an overflow flag, the zero flag is used to…
What is composite key and surrogate key? A composite key is simply a key that contains two or more columns. A surrogate key is one…
Does WiFi assist Use cellular data? Both Android and iOS have options that can make your mobile internet experience a lot smoother, but they can…
How do you use gravel for drainage? It’s recommended to place down a few layers of crushed rock or sand underneath the gravel in order…
How do I change white space between tabs in Word? Replacing Multiple Spaces with Tabs Press Ctrl+H. Click on the More button if it is…
Can I charge a lithium battery with a power supply? Lithium ion batteries can be charged manually using a power supply. However, when using a…