IT DIGEST
How do you find the domain and range of a matrix? Let A be an m × n matrix, and let T ( x )= Ax be the associated matrix transformation. The domain of T is R n , where n is the number of columns of A . The codomain of T is R […]
The Bottom of the Universe. The universe has a bottom. That bottom extends infinitely outward and has an infinite sky above it, with an infinite number of stars and galaxies. The bottom is remarkably terrestrial, with gravity, mountains, lakes, forests, and sunshine, each of which deserves additional discussion. Is there a bottom or top in […]
Apply a small amount of acetone to a cotton swab, and rub into the ink you’re trying to erase. This works best on regular ballpoint pen ink. Blue ink is more easily erased than black ink. Try rubbing alcohol to erase ink. Any brand of isopropyl alcohol works for this method. Does brake fluid remove […]
Ethyl alcohol (rubbing alcohol) is the solvent that most easily removes ball point pen. Use a very small ball of cotton, or a q-tip, to apply the alcohol and then blot at the place with a clean ball of cotton. Repeat patiently. How do you remove ink from legal paper? 8 Effective Ways to Remove […]
How to quickly unfreeze your Mac Press Command- Esc-Option on your keyboard at the same time, then release them. Select the name of the frozen application from the menu’s list and click Force Quit. If the Force Quit menu doesn’t appear or the frozen program doesn’t close, you’ll need to restart your computer. How do […]
How to unfreeze your Mac? Press Command- Esc-Option on your keyboard at the same time, then release them. Select the name of the frozen application from the menu’s list and click Force Quit. If the Force Quit menu doesn’t appear or the frozen program doesn’t close, you’ll need to restart your computer. Why is my […]
A fraud alert is a notice that is placed on your credit report that alerts credit card companies and others who may extend you credit that you may have been a victim of fraud, including identity theft. Think of it as a “red flag” to potential lenders and creditors. Fraud alerts are free. How does […]
It might not work every time, but at least you know you tried! The Gentle Reminder. Be clear with the terms from the beginning. Politely Ask for Help. Turn it Around. Break the News. Don’t be Overly Dramatic. Don’t Let Too Much Time Go By Before They Pay You Back. Ask for an update on […]
The Excel AND function is a logical function used to require more than one condition at the same time. AND returns either TRUE or FALSE. To test if a number in A1 is greater than zero and less than 10, use =AND(A1>0,A170,”Pass”,”Fail”). More than one condition can be tested by nesting IF functions. How do […]
Turn On or Off Hardware Accelerated GPU Scheduling in Settings Open Start Menu and tap on Settings cog icon. In Settings, click on ‘System’ and open ‘Display’ tab. Under the “Multiple Displays” section, select “Graphics settings”. Turn on or off “Hardware-accelerated GPU scheduling” option. Restart the system. How do I enable and disable GPU? Look […]