Useful tips for everyday
How do I Pair My iPhone to my Mac? Connect iPhone Using Bluetooth in Mac. A Bluetooth pairing request containing the passcode should pop up…
How does an electric guitar circuit work? It is a fundamental concept studied in physics and electronics that a changing magnetic field will generate a…
How do I change Google URL? Change URL of a Page in Classic Google Sites sign in to your site at sites.google.com. click on the…
How to use GDAL commands in data processing? We can use two commands here, first the gdalwarp to replace values and a gdal_translate to remove…
How do you prove a matrix is positive semi definite? A symmetric matrix is positive semidefinite if and only if its eigenvalues are nonnegative. EXERCISE.…
Are GUID URL safe? Yes. A UUID consists of only hexadecimal characters (a–f, 0–9) plus a hyphen (-). As per RFC 3986 (URI Syntax) §2.3,…
How can I recover deleted spam mails? How to recover deleted emails in Gmail Step 1 – Gmail’s Trash/Bin folder. Go to your Gmail inbox.…
How to exclude files and directories in rsync? –exclude=’*’ excludes both files and directories. So, if we specify –exclude=’*’, then all directories would be excluded…
Should I use nested classes? Nested Class can be used whenever you want to create more than once instance of the class or whenever you…
Why is my email being marked as spam by Gmail? Don’t impersonate other domains or senders without permission. This practice is called spoofing, and it…