Useful tips for everyday
Do parametric lines intersect? So no solution exists, and the lines do not intersect. Vector equations can be written as simultaneous equations. If you can…
Can an array be boolean? The boolean array can be used to store boolean datatype values only and the default value of the boolean array…
Why is there a max SD card size? This goes for Android as well as any tablet or smartphone device. Higher Capacity SD Cards are…
How much heat does a resistor give off? Thus, a current of one ampere flowing through a resistor across a voltage drop of one volt…
How do I download old music from Google? Open Google Play Music in a web browser and log in if necessary. Click “Music Library.” At…
What shortcut on the keyboard selects the zoom tool? A better way is to temporarily switch to the Zoom Tool by pressing and holding Ctrl+spacebar…
How do I pass multiple command line arguments? To pass command line arguments, we typically define main() with two arguments : first argument is the…
What is the purpose of the wheel group? The wheel group is a special user group used on some Unix systems, mostly BSD systems, to…
What do you do if your door lock wont open? Spray the door key with a graphite-based lubricant. Slide the key in the lock and…
How do I add a permission to a file in Unix? To change file and directory permissions, use the command chmod (change mode). The owner…