Useful tips for everyday
How do I reconnect to a disconnected SSH session? Basics are: Start a screen session (on your remote host): $ screen. Disconnect from your screen…
What is typical frequency range of ferrite core? The ferrite cores used for power transformers work in the low frequency range (1 to 200 kHz…
How to link to external links from the post title in WordPress? You will find the custom fields meta box below the post editor. Click…
How do you know if your iPhone is charging after it dies? When the lightening bolt is visible (dead phone charging use case), and you…
What does it mean when the Apple logo turns red MacBook Pro? This is because your Mac performs a directory check of your startup disk…
What is job scheduling job? Job scheduling is the process where different tasks get executed at pre-determined time or when the right event happens. A…
What does Ctrl +Backspace do? What is Ctrl + Backspace keyboard shortcut for? General description for this shortcut: Deletes the word left to the cursor.…
Is it possible to multi select from a long list? In case when the content of the list is not familiar there are multiple issues.…
What is coplanar wave? Conventional coplanar waveguide (CPW) consists of a single conducting track printed onto a dielectric substrate, together with a pair of return…
How do I kill a suspended task? How to kill background or suspended shell job? Allow user to execute one command as root (no sudo)…