Useful tips for everyday
Should I disable file and printer sharing? Turning off file sharing will prevent wireless access to files on your computer over the network you’re connected…
Can I change directory in a bash script? The script is run in a subshell, and cannot change the parent shell working directory. Its effects…
How do I enable hibernate on my Mac? Close the lid of the MacBook. Press the power button on the Mac—tapping the power button makes…
What does a TTL of 0 mean? If the TTL is 0, the packet is discarded, and never reaches the host. When an IP packet…
How can I see how many downloads an app has in the app store? Launch the store app from your smartphone and look up the…
How do I customize my android weather widget? To do this, tap and hold an empty space on your home screen and tap “Widgets.” Swipe…
How to create multiple folders and subfolders in Bash? As an example, I want to create a folder structure for a number of courses, GC01,GC02,GC03,GC04,GC05,GC06,GC16,GC18,GC99…
How do you find the t value for a confidence interval? For example, if you want a t-value for a 90% confidence interval when you…
How do I get access and refresh token? Request an access token by redeeming the code returned after the user granted consent. Get the access_token,…
How do I change my wireless interface? Click IP > Addresses and then click the Add (plus sign) button. Type in an address within the…