Useful tips for everyday
How do I know which Windows Manager I am using? How to determine which window managers are installed from the command line? One can determine…
How to create a thumbnail image in CSS? Learn how to create a thumbnail image. A thumbnail is a small image that represents a larger…
What is 0.5 S accuracy class? This is known as “Accuracy Class”. Class 0.5 means that the accuracy is 0.5% of the reading under full…
How to release the read lock in MySQL? Without closing the connection to the client (because it would release the read lock) issue the command…
Does Li-ion battery have protection? Lithium batteries can be safely charged to 4.1 V or 4.2 V/cell, but no higher. Overcharging causes damage to the…
Is deviance the same as Chi-square? Chi-squared statistic is the difference between the deviance of the constant model and the deviance of the full model.…
Is there a low-noise power supply for low current applications? Here is a quick article describing a low-noise power supply for low current applications. It’s…
Why do we need fighter jets? In military conflict, the role of fighter aircraft is to establish air superiority of the battlespace. Domination of the…
How to import CSV files into posgresql table? Third, specify the HEADER keyword to indicate that the CSV file contains a header. When the COPY…
What does an audio 1/4 connector do? The 1/4-inch (Quarter-Inch) Jack Connector Available as ‘Instrument cables’ (with shielded cabling), used for instrument and line-level connections,…