Useful tips for everyday
Do LED dimmers use PWM? LEDs can be dimmed in two ways: analog and pulse-width modulation (PWM) dimming. How does PWM work With LEDs? PWM…
How to trace database errors and exceptions with SQL profiler? Run SQL Profiler, from “File” menu select “New trace…”, then enter your server address and…
What is an external Pentest? External penetration testing (also known as external network penetration testing) is a security assessment of an organisation’s perimeter systems. External…
What is a LaTeX preamble? Preamble. The preamble to a LaTeX document is all the information that occurs before the document begins. The preamble starts…
What do I need to know before registering a domain name? 10 Tips Before You Buy a Domain Name Check the competition. Look at the…
What are the units of unit vector? Unit vectors are vectors whose magnitude is exactly 1 unit. They are very useful for different reasons. Specifically,…
Does NVENC affect performance? As you can see, NVENC has the least impact on performance at 60 FPS output. When using x264 encoding, the test…
How do you insert a block template in Adobe Acrobat? Click All Blocks in the blocks shortcut bar or mouse-over the location in the lesson…
How do I know if a port is accessible outside? One of the biggest perks of Telnet is with a simple command you can test…
How do I find the first difference in Excel? Calculate the difference between two numbers by inputting a formula in a new, blank cell. If…