Programming, Computers and Stuff
Ever wondered how much power Ruby’s count method has? Besides counting the elements of an array, it can do pretty awesome things. So let’s start with the most common use case: counting the elements of an array. Let’s say you want to Continue reading Ruby :: Array#count
Python has the ability to return multiple values from a function call, something missing from many other popular programming languages. In this case the return values should be a comma-separated list of values and Python then constructs a tuple and returns this Continue reading Python :: Return Multiple Values From a Function
If you are using array_key_exists() instead of in_array(), believe it or not, it is a good choice you made. array_key_exists() is much faster than in_array(). array_key_exists($key, $array); // ideal in_array( $key, array_keys( $array ) ) // This creates an array Continue reading PHP – array_key_exists() vs in_array()
An email address from Google’s Gmail can be transformed in various ways into different looking email addresses while still going to the same account. A Gmail user can do the following to have multiple email addresses: Using a plus address: Continue reading PHP – Gmail Address Normalization
Recursion is the repeated application of a process. In JavaScript, recursion involves functions that call themselves repeatedly until they reach a base condition. The base condition breaks out of the recursion loop because otherwise the function would call itself indefinitely. Continue reading What is recursion and when is it useful?