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What is a Question Mark “?” and Colon “:” Operator Used for? [duplicate]

Two questions about using a question mark "?" and colon ":" operator within the parentheses of a print function: What do they do? Also, does anyone know the standard term for them or where I can find more information on their use? I've read that they are similar to an 'if' 'else' statement. ...
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GSON throwing “Expected BEGIN_OBJECT but was BEGIN_ARRAY”?

I'm trying to parse a JSON string like this one 10 Answers 10 ...
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jquery's append not working with svg element?

... 14 Answers 14 Active O...
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Test if characters are in a string

I'm trying to determine if a string is a subset of another string. For example: 9 Answers ...
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encryption/decryption with multiple keys

Is it possible to encrypt data, such that it can be decrypted with several different keys? 5 Answers ...
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Unable to open project… cannot be opened because the project file cannot be parsed

I have been working for a while to create an iPhone app. Today when my battery was low, I was working and constantly saving my source files then the power went out... ...
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WebView and HTML5

I'm piecing together a cheapo app that amongst other things "frames" some of our websites... Pretty simple with the WebViewClient . until I hit the video. ...
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Detecting a mobile browser

I'm looking for a function which return boolean value if user has mobile browser or not. 36 Answers ...
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HTTP header line break style

Which line break style is preferable for use in HTTP headers: \r\n or \n , and why? 3 Answers ...
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Search and replace in Vim across all the project files

I'm looking for the best way to do search-and-replace (with confirmation) across all project files in Vim. By "project files" I mean files in the current directory, some of which do not have to be open. ...