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What is the purpose of “!” and “?” at the end of method names?

... | edited May 23 '17 at 12:02 Community♦ 111 silver badge answered Aug 24 '11 at 16:33 ...
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In Postgresql, force unique on combination of two columns

... col2 = '1')? – Vikram Khemlani Nov 12 '19 at 19:20 postgres: stackoverflow.com/questions/16236365/… sql server: sta...
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Why is the .bss segment required?

... answered Mar 2 '12 at 15:11 LundinLundin 142k2222 gold badges194194 silver badges315315 bronze badges ...
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LINQ To Entities does not recognize the method Last. Really?

... answered Aug 23 '13 at 12:37 Ema.HEma.H 2,68033 gold badges2323 silver badges3939 bronze badges ...
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LaTeX: Prevent line break in a span of text

... UriUri 83.1k4646 gold badges211211 silver badges309309 bronze badges 12 ...
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How to extract a string using JavaScript Regex?

... the whole input string) Also put the * in the right place: "DATE:20091201T220000\r\nSUMMARY:Dad's birthday".match(/^SUMMARY\:(.*)$/gm); //------------------------------------------------------------------^ ^ //-----------------------------------------------------------------------| ...
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URL matrix parameters vs. query parameters

...ting a resource? – Jin Kwon Nov 23 '12 at 9:38 7 The ? starts the query parameter part of the req...
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CSS :after not adding content to certain elements

...he shadow DOM. – tool Jun 24 '14 at 12:19 3 The spec quoted does not say that :before and :after ...
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Can I use an OR in regex without capturing what's enclosed?

... is 'ac'. – Moondra Aug 3 '17 at 21:12 add a comment  |  ...
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How to check if a table contains an element in Lua?

...l" fixes that error. – oers May 17 '12 at 8:19 Perhaps also function keysOfSet(set) local ret={} for k,_ in pairs(set)...