I am okay with beginning code samples separating variable and reference, but then i get lost especially with last code sample 'cloning' Which part of the code 'cloning is variable and which is reference? Is $x reference and $y variable?
From 'Variable Un-Assignment' going down I do not understand difference variable and reference
Which code samples are variable and which are reference?
greetings rgb192, , I will comment, maybe to help, but unfortunately, you, as most everyone, gets Confused about what the words about this "Reference" thing may mean such as (reference, pointer, "variable
With the new era of mobile computing, smartphones and tablets, wireless communications and cloud services, the USDA sought to take advantage of a mobilized workforce and the blurring lines between personal and corporate computing resources.
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Explain concepts important to validation of email addresses with regular expressions. Applies to most languages/tools that uses regular expressions.
Consider email address RFCs:
Look at HTML5 form input element (with type=email) regex pattern: