Contributing

What is simple factory pattern? Simple factory pattern describes a class that has one creation method with a large conditional that based on method parameters…

How do you center text on a page? Center the text vertically between the top and bottom margins. Select the text that you want to…

How to prove the asymptotic normality of the Mle? To prove asymptotic normality of MLEs, define the normalized log-likelihood function and its first and second…

What is complex event analysis? Complex event processing is an organizational tool that helps to aggregate a lot of different information and that identifies and…

How do I change permissions on a current directory? How to change directory permissions in Linux chmod +rwx filename to add permissions. chmod -rwx directoryname…

Can you change your domain name on WordPress? Go to My Site → Upgrades → Domains and click on your . wordpress.com address. On the…

What is the variance of a chi-squared distribution? The chi-square distribution has the following properties: The mean of the distribution is equal to the number…

Do we need to underline links? Simply put, there’s no guessing when links are presented consistently. Links are easy to find because users understand that…

Is Last.fm still a thing? Last.fm is a music website founded in the United Kingdom in 2002. The site formerly offered a radio streaming service,…

What is application compatibility? Testing of application behavior in different Operating System environment is known as “Application Compatibility Testing“. Once you have your list of…