Top "Symbols" questions

What characters can be used for up/down triangle (arrow without stem) for display in HTML?

I'm looking for a HTML or ASCII character which is a triangle pointing up or down so that I can …

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Reference — What does this symbol mean in PHP?

What is this? This is a collection of questions that come up every now and then about syntax in PHP. …

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How do I list the symbols in a .so file

How do I list the symbols being exported from a .so file? If possible, I'd also like to know their …

c++ c gcc symbols name-mangling

Placing Unicode character in CSS content value

I have a problem. I have found the HTML code for the downwards arrow, ↓ (↓) Cool. Now I need …

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How to count instances of character in SQL Column

I have an sql column that is a string of 100 'Y' or 'N' characters. For example: YYNYNYYNNNYYNY... What is the …

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Unfamiliar symbol in algorithm: what does ∀ mean?

I'm reading about an algorithm (it's a path-finding algorithm based on A*), and it contains a mathematical symbol I'm unfamiliar …

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How to change facet labels?

I have used the following ggplot command: ggplot(survey, aes(x = age)) + stat_bin(aes(n = nrow(h3), y = ..count.. / …

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Undefined Symbols for architecture x86_64: Compiling problems

So I am trying to start an assignment, my professor gives us a Main.cpp, Main.h, Scanner.cpp, Scanner.…

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Is there Unicode glyph Symbol to represent "Search"

Unicode has a million icon-like glyphs, but they're very hard to search. Is there a Unicode glyph that looks like …

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In HTML I can make a checkmark with ✓ . Is there a corresponding X-mark?

Is there a corresponding X mark to ✓ (✓)? What is it?

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