Useful tips for everyday
How to combine multiple images into a single image? 1. Combine 3 images horizontally 2. Create a new line and combine the 4th image horizontally…
How do you find the cumulative distribution function of a continuous random variable? The cumulative distribution function (cdf) of a continuous random variable X is…
Which method is used to parse JSON in node JS? parse() The JSON. parse() method parses a JSON string, constructing the JavaScript value or object…
Why does my request keep timing out? In most cases, a “Request Timed Out” message is caused by a firewall blocking the connectivity. Before you…
Why does a folder keep reappearing after I delete it? “Deleted files or folders keep coming back” can also be caused by a virus or…
How do I get a pointer on my screen? Click on the ‘Pointer Options tab’ or press ‘Ctrl’ + ‘Tab’ until the ‘Pointer Options’ tab…
Why is a write-blocker required when acquiring a disk image? Hardware write-blockers commonly are used when acquiring a suspect’s media. These hardware write-blockers will prevent…
What is the length of a normalized vector? 1 To normalize a vector, therefore, is to take a vector of any length and, keeping it…
Is the product of white noise stationary? White noise is the simplest example of a stationary process. An example of a discrete-time stationary process where…
How do you calculate bivariate frequency? The classes of one variable may be arranged horizontally, and the classes of another variable may be arranged vertically…