Useful tips for everyday
How do I revert back to old iOS from beta? The simplest way to go back to a stable version is to delete the iOS…
How do you find the number of duplicate elements in an array? Logic to count duplicate elements in array Input size and elements in array…
Can you use a GPL without a proprietary library? So although you can “use” your combination of GPL program and proprietary license, you cannot “convey”…
How do I automatically outgoing labels in Gmail? Automatically label emails in Gmail Select Create Label from the left menu. Name your new label something…
Why does my second monitor keep turning off? Video card or motherboard problem If the monitor stays on, but you lose the video signal, it’s…
How do you find the correlation among the variables? The correlation coefficient is determined by dividing the covariance by the product of the two variables’…
What variables have global scope? In computer programming, a global variable is a variable with global scope, meaning that it is visible (hence accessible) throughout…
What is a two way data binding? Two-way binding gives components in your application a way to share data. Use two-way binding to listen for…
What is backup superblock? As superblock is a very critical component of the file system, a backup redundant copy is placed at each “block group”.…
How do I print an A5 booklet on A4 paper? Select File + Page + Setup. On the Margins tab, select “2 pages per sheet”…