Useful tips for everyday
How do I change folder timestamps recursively to the newest file? You can use touch -r to use another file’s timestamp instead of the current…
What are the geographic areas of the Census Bureau? The Census Bureau creates and maintains geographic codes for many statistical geographic areas that are not…
How to generate a vmcore file during a crash? In the article Linux kernel crash simulation using kdump, I gave a brief idea as to…
Which research method is most commonly used? Surveys. As a research method, a survey collects data from subjects who respond to a series of questions…
How do I type the IPA symbol on a Mac? To enable IPA, click the Gear in the top left corner of that window, then…
How many IP addresses can I have? IPv4 uses 32-bit IP address, and with 32 bits the maximum number of IP addresses is 232—or 4,294,967,296.…
How do you turn on Bluetooth on a locked Mac? Simple, right? If the Bluetooth menu item is also disabled, simply go to the …
What is NDP IPv6? Neighbor Discovery Protocol (NDP, defined in RFC 4861) is an important protocol in IPv6. Neighbor Discovery Protocol (NDP) is based on…
Why do floats lose precision? Floating-point numbers suffer from a loss of precision when represented with a fixed number of bits (e.g., 32-bit or 64-bit).…
How do I see how many clicks on Google Analytics? Click on the category “Links” and select event label and there you will be able…