Useful tips for everyday
What is a Facebook plugin? Social plugins, like the Like button, the Share button and comments, are tools that let you share your experiences on…
How to create a reverse clip path in CSS? I’m trying to create what is in essence the reverse of a CSS clip-path. When using…
How do you find the covariance between two random variables? Consider two random variables X and Y. Here, we define the covariance between X and…
Are Postgres databases encrypted? PostgreSQL offers encryption at several levels, and provides flexibility in protecting data from disclosure due to database server theft, unscrupulous administrators,…
How do you connect a low-pass filter? A simple 1st order low pass filter can be made using a single resistor in series with a…
Does Tor run on Firefox? Tor Browser is a modified version of Firefox specifically designed for use with Tor. A lot of work has been…
How to detect seasonality in a time series? This paper presents some tests for seasonality in a time series data which considers the model structure…
What is 125kHz RFID? RFID is useful for sensing and identifying tagged people and objects for access control, automation, and a whole range of different…
What to do when you forget your password with two step verification? Reset your password when two-step verification is turned on If you forget your…
Is an editor used to write your Ruby programs? Most Ruby programs can be run from what is called “the command line.” You write your…