Useful tips for everyday
Why do I get error ” could not chdir to home directory “? Problem is, even though the users are the same names and I…
How make PCB stack-up? Good rules to follow here are: Route high-speed on minimum thickness microstrips. Place signal layers next to internal power layers for…
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…
Can you create your own shortcuts on Mac? You can create your own keyboard shortcuts for menu commands in any macOS app, including the Finder.…
What is the default shell for CentOS? /bin/bash These days, all new CIMS accounts are created with /bin/bash as the default shell. You are free…
What is the heartbleed bug How does it work and how was it fixed? The Heartbleed fix The way to fix the Heartbleed vulnerability is…
How do you create a slideshow in iPhoto? To create a slideshow, highlight a group of photos (using the Shift key if they are in…
Does Logitech webcam software work with other webcams? If you use a Logitech webcam, this is all you need. It works with all recent webcams…
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 are principal components related to PCA axes? The principal components are linear combinations of the original variables. If the original variables have different units,…