Useful tips for everyday
Can I use an Excel formula to extract the link location of a hyperlink in a cell? Save the code and close the window, select…
When should a Kruskal Wallis test be used? The Kruskal-Wallis H test (sometimes also called the “one-way ANOVA on ranks”) is a rank-based nonparametric test…
What IP address starts with 169? When a Windows computer isn’t able to communicate with the DHCP server, something called Automatic Private IP Addressing (APIPA)…
Can you send email from command line? In Windows there is no way to natively send mail from the Command Prompt, but because PowerShell allows…
How do you write expected results in test cases? What Are the Best Practices for Writing Quality Test Cases? Keep things simple and transparent. Make…
What does a computer library do? In computer science, a library is a collection of non-volatile resources used by computer programs, often for software development.…
Does iMessage need Wi-Fi or data? iMessage is Apple’s own instant messaging service that sends messages over the Internet, using your data. They only work…
How do I print data from pandas DataFrame? Use pandas. set_option() to print an entire pandas DataFrame Call pandas. set_option(“display. max_rows”, max_rows, “display. max_columns”, max_cols)…
What is the force working on a projectile? The only force acting upon a projectile is gravity! How does initial velocity affect projectile motion? (a)…
How do I enable SELinux enforce mode? 2.3. Changing to enforcing mode Open the /etc/selinux/config file in a text editor of your choice, for example:…