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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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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.
11 Ans...
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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Why is “throws Exception” necessary when calling a function?
Why compiler reports that methods show2() , show3() , and main() have
8 Answers
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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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What is a plain English explanation of “Big O” notation?
I'd prefer as little formal definition as possible and simple mathematics.
41 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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Add vertical whitespace using Twitter Bootstrap?
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In Bootstrap 4 there are spacing utilites.
Citing the documentation for used notation:
Spacing utilities that apply to all breakpoints, from xs to xl,
have no breakpoint abbreviation in them. This is because those classes
are applied from min-width: 0 and up, and thus are not bound by ...
REST Complex/Composite/Nested Resources [closed]
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@ray, excellent discussion
@jgerman, don't forget that just because it's REST, doesn't mean resources have to be set in stone from POST.
What you choose to include in any given representation of a resource is up to you.
Your case of the the covers referenced separate...