Two Factors used in 2FA include : Factor 1 – Something you know (PIN, password, secret questions, etc); Factor 2 – Something you have ( token, key, smartcard, mobile phone) or Something you are...

This post will get your golf swing back in the shortest possible time. Before we do that though, First things First – Golf Channel and their blatant stealing of ideas from this active golf page! Recently, the golf channel’s...

What is a static class? How is it different from an object? A class in which everything (all fields and methods) is static is equivalent to an object. It has state and behavior. However – such an ‘object’ may...

Let A be an open set. Show that if a finite number of points are removed from A, the remaining set is still open. Is the same true if a countable number of points are removed? Solution If we order the points removed from A, x1...

Which are the top DevOps tools? The most popular DevOps tools are : Git : Version Control System tool Jenkins : Continuous Integration tool Selenium : Continuous Testing tool Puppet, Chef, Ansible , AWS Lambda (C# or java or...

In order of preference (my preference , based on product maturity, knowledge base, user forums etc.): Toad for SQL Server – Pro Edition – $650 /user DB Visualizer Pro – $176 per user dbForge – $99 / per...

Binomial Random Variable – and Probability of SINGLE event happening more than once (multiple heads in a coin-toss etc.) Whenever you have a variable that can take on two possible values (flip of a coin for example), you...

See also ‘Single Event Probabilities’ The probability of a ‘joint’ event – e.g. drawing a white ball followed by two black balls (from a jar containing 7 white and 5 black balls) can be calculated using...

A set is open iff for every point , there exists a such that the neighborhood surrounding is completely contained within (is a subset of) . A point is a limit point of a set iff given any , all neighborhoods intersect the...