Useful tips for everyday
What is process ID and parent process ID? If a command starts just one process, its PID and PGID are the same. PPID. A process…
How do you know if 2 expressions are equivalent? Things to remember Equivalent expressions are expressions that work the same even though they look different.…
How do you bring up the Dock on a Mac? You can use keyboard shortcuts to navigate to the Dock. Press Control-F3 (Control-Fn-F3 on a…
What is the frequency response of the ear? Each file contains a sequence of decreasing amplitude tones in 3 dB decrements….Frequency Response of the Ear.…
How do I reveal a password? Easily Reveal Hidden Passwords In Any Browser Right-click (or CTRL + click) the password box and select “Inspect Element.”…
Should I Auto Format code? Because readable code is important, it is important that responsible developers can format their code as they see necessary. Automatic…
What is meant by broken links? Definition. A broken link is a web-page that can’t be found or accessed by a user, for various reasons.…
How does Agile methodology deal with problems of changing requirements? One of the many misconceptions around Agile has to do with managing changing requirements. After…
How to ignore whitespace in a regular expression string? Is there a simple way to ignore the white space in a target string when searching…
How do you manipulate data in a Dataframe in R? Manipulating Dataframes in R Data. Filter. Select. Mutate. Arrange. Summarize. Group_by. Count. How do you…