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Properties vs Methods
... the Choosing Between Properties and Methods section of Design Guidelines for Developing Class Libraries:
In general, methods represent actions and properties represent data. Properties are meant to be used like fields, meaning that properties should not be computationally complex or produce sid...
Why use strict and warnings?
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For starters, use strict; (and to a lesser extent, use warnings;) helps find typos in variable names. Even experienced programmers make such errors. A common case is forgetting to rename an instance of a variable when cleaning...
What is the difference between GitHub and gist?
...s driven by git revision control, so gists also have complete revision histories.
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How do I check in JavaScript if a value exists at a certain array index?
Will this work for testing whether a value at position index exists or not, or is there a better way:
18 Answers
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Differences in boolean operators: & vs && and | vs ||
I know the rules for && and || but what are & and | ? Please explain these to me with an example.
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Test if number is odd or even
...hat is the simplest most basic way to find out if a number/variable is odd or even in PHP?
Is it something to do with mod?
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Why is “throws Exception” necessary when calling a function?
Why compiler reports that methods show2() , show3() , and main() have
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What is the purpose of “&&” in a shell command?
As far as I know, using & after the command is for running it in the background.
9 Answers
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When is a language considered a scripting language? [closed]
... say "when it gets interpreted instead of compiled". That would make PHP (for example) a scripting language. Is that the only criterion? Or are there other criteria?
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How can I split a JavaScript string by white space or comma?
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input.split(/[ ,]+/);
This particular regex splits on a sequence of one or more commas or spaces, so that e.g. multiple consecutive spaces or a comma+space sequence do not produce empty elements in the results.
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