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How do I get SUM function in MySQL to return '0' if no values are found?

... 307 Use COALESCE to avoid that outcome. SELECT COALESCE(SUM(column),0) FROM table WHERE ... T...
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Local dependency in package.json

... 620 npm >= 2.0.0 This feature was implemented in the version 2.0.0 of npm. Example: { "name":...
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Is 0 a decimal literal or an octal literal?

...hat actually almost all integer literals in my code are octal, namely 0 . 3 Answers ...
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How to convert list of tuples to multiple lists?

... answered Nov 10 '11 at 15:03 Sven MarnachSven Marnach 446k100100 gold badges833833 silver badges753753 bronze badges ...
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Maven dependency for Servlet 3.0 API?

How can I tell Maven 2 to load the Servlet 3.0 API? 10 Answers 10 ...
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How to enumerate an enum with String type?

... Swift 4.2+ Starting with Swift 4.2 (with Xcode 10), just add protocol conformance to CaseIterable to benefit from allCases. To add this protocol conformance, you simply need to write somewhere: extension Suit: CaseIterable {} If the enum is your own, you may specify the c...
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How does zip(*[iter(s)]*n) work in Python?

... answered Feb 9 '10 at 23:15 Ignacio Vazquez-AbramsIgnacio Vazquez-Abrams 668k127127 gold badges11911191 silver badges12501250 bronze badges ...
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How to linebreak an svg text within javascript?

... occur, you can break your text into multiple <tspan>s, each with x="0" and dy="1.4em" to simulate actual lines of text. For example: <g transform="translate(123 456)"><!-- replace with your target upper left corner coordinates --> <text x="0" y="0"> <tspan x="0" dy...
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What is the “-->” operator in C++?

...ised that the following snippet compiled and worked in both Visual Studio 2008 and G++ 4.4. 25 Answers ...
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In php, is 0 treated as empty?

...ollowing things are considered to be empty: "" (an empty string) 0 (0 as an integer) 0.0 (0 as a float) "0" (0 as a string) NULL FALSE array() (an empty array) var $var; (a variable declared, but without a value in a class) Note that this is exactly the same list as for a ...