Useful tips for everyday
Can I connect Time Capsule directly to my Mac? If you already have a wireless network, you can connect your Time Capsule to the network…
What is O grep? The grep filter searches a file for a particular pattern of characters, and displays all lines that contain that pattern. -E…
How do you load a class dynamically? Loading a class dynamically is easy. All you need to do is to obtain a ClassLoader and call…
Does Firefox cache JavaScript? As long as the app hasn’t changed, the tag will stay the same and therefore the query string will also. The…
How to substitute a regex pattern in AWK? The idiomatic awk solution would be just to translate the input field separator to the output separator:…
How do you calculate probability in Naive Bayes? The conditional probability can be calculated using the joint probability, although it would be intractable. Bayes Theorem…
Does macOS have a package manager? Homebrew is a package manager for the macOS to search, install and configure software packages and libraries through the…
How to create array of composite type in PostgreSQL? I have created a type Books in Postgres which has 2 numeric fields and 2 varchar…
What is the difference between Erlang and gamma distribution? The difference between Erlang and Gamma is that in a Gamma distribution, k can be a…
Can your friends see when you comment on a status? Your Facebook Wall For example, if you comment on a friend’s photo, only mutual friends…