Useful tips for everyday
Do you need to sudo as root? Sudo stands for either “substitute user do” or “super user do” and it allows you to elevate your…
Why do deleted emails keep showing up? Deleted emails reappearing sounds like you might have some corruption going on with Inbox. Move all wanted emails…
How do you find Multicollinearity of data? Detecting Multicollinearity Step 1: Review scatterplot and correlation matrices. Step 2: Look for incorrect coefficient signs. Step 3:…
Do I need to install WordPress on each subdomain? For example, if you’re using a single site WordPress install, you’d need two separate installs —…
How do I post on Facebook without friends seeing? Here’s How to Stop Facebook Friends From Seeing Your Posts Step 1: Go the profile of…
Is Ettercap safe? Ettercap is a free and open source network security tool for man-in-the-middle attacks on LAN. It can be used for computer network…
What PCI means? Payment Card Industry PCI: Acronym for “Payment Card Industry.” PCI DSS: Acronym for “Payment Card Industry Data Security Standard.” Who is required…
What is primary key and foreign key compare? A primary key is used to ensure data in the specific column is unique. A foreign key…
Can regression be used for two categorical variables? Multiple Linear Regression with Categorical Predictors. To integrate a two-level categorical variable into a regression model, we…
What is VM CPU? A virtual CPU (vCPU) also known as a virtual processor, is a physical central processing unit (CPU) that is assigned to…