May 5, 2009 · Developers are often confused by what a callback is because of the name of the damned thing. A callback function is a function which is: accessible by another function, and is invoked after …

Jun 13, 2009 · I am going to provide a more commonplace description. Say my wife has a sister named Sue, and so do I. How can I tell them apart in a conversation? By using their last names ("Sue …

Sep 5, 2008 · First: The term monad is a bit vacuous if you are not a mathematician. An alternative term is computation builder which is a bit more descriptive of what they are actually useful for. They are a …

Oct 9, 2011 · A 'feature flag' (or Feature Toggle) is the ability to turn features (sub-sections) of your application on/off at easily: perhaps via a re-deploy, or some internal page where pages/features can …

Nov 15, 2008 · UUID stands for Universally Unique IDentifier. It's a 128-bit value used for a unique identification in software development. UUID is the same as GUID (Microsoft) and is part of the …

A JavaBean is just a standard. It is a regular Java class, except it follows certain conventions: All properties are private (use getters/setters) A public no-argument constructor Implements …

What is a StackOverflowError, what causes it, and how should I deal with them?

Oct 10, 2010 · The runtime or execution environment is the part of a language implementation which executes code and is present at run-time; the compile-time part of the implementation is called the …

What is a "stored procedure" and how do they work? What is the make-up of a stored procedure (things each must have to be a stored procedure)?

Apr 23, 2018 · It is a UID which can be used by the website operator (and Cloudflare support) to potentially debug issues. The ray id is actually returned in the headers of most requests through …