Useful tips for everyday
How do I change the default phone number in contacts? Open up the Google Contacts app on Android. Go to the desired contact (do not…
How does cumsum work in a two dimensional array? Consider a two-dimensional input array, A: cumsum (A,1) works on successive elements in the columns of…
How to construct a 2D finite difference matrix? In this notebook, we use Kronecker products to construct a 2d finite-difference approximation of the Laplacian operator…
Can you dye maple wood? I would go with a dye on maple, but it will fade in too much sun. You might want to…
Can you GROUP BY multiple attributes? We can group the resultset in SQL on multiple column values. When we define the grouping criteria on more…
What causes dimmer switches to fail? A dimmer switch that is not working is often caused by a loss of power or a faulty dimmer.…
Which of the following command is used to enable logging in iptables? Enable Iptables LOG To define level of LOG generated by iptables us –log-level…
What should I do if I lost my iPhone and its offline? How to Find an iPhone that is turned off or offline Open Settings.…
What are some grouping strategies? 10 Easy Grouping Techniques for the College Classroom Colorful Index Cards. Playing Cards. Clock Partners. Dot Stickers on Handouts. Numbers/Letters…
What does Secure Erase do on Android? This is designed to stop thieves (or pranksters) from wiping your smartphone. First you need to remove the…