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Rails 3 execute custom sql query without a model

...et not an array but relation? – Малъ Скрылевъ Jul 12 '16 at 12:15 add a comment  |  ...
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How do I create an Excel (.XLS and .XLSX) file in C# without installing Microsoft Office?

...pdated and documented as well. Also, as noted by @АртёмЦарионов below, EPPlus has support for Pivot Tables and ExcelLibrary may have some support (Pivot table issue in ExcelLibrary) Here are a couple links for quick reference: ExcelLibrary - GNU Lesser GPL EPPlus - GNU (LGPL) - No lon...
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What is a mutex?

...ely false if mutex is in use. – Петър Петров Sep 21 '14 at 22:51 4 You're a genius. Ca...
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How to get an IFrame to be responsive in iOS Safari?

... @ЮнгвиртТони It should not be needed for the workaround to work, it is possible that the width was set earlier with !important or a higher priority CSS overwrote it. In isolated cases in iPhone 4 iOS7 it was not needed. ...
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Python Regex - How to Get Positions and Values of Matches

How can I get the start and end positions of all matches using the re module? For example given the pattern r'[a-z]' and the string 'a1b2c3d4' I'd want to get the positions where it finds each letter. Ideally, I'd like to get the text of the match back too. ...
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How can I get the list of files in a directory using C or C++?

How can I determine the list of files in a directory from inside my C or C++ code? 26 Answers ...
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Regex Named Groups in Java

...'17 at 10:47 Артем Носов 20222 silver badges1111 bronze badges answered Jan 6 '09 at 6:36 VonCVonC ...
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Javascript equivalent of Python's zip function

Is there a javascript equivalent of Python's zip function? That is, given multiple arrays of equal lengths create an array of pairs. ...
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What's the difference between String(value) vs value.toString()

Javascript has lot's of "tricks" around types and type conversions so I'm wondering if these 2 methods are the same or if there is some corner case that makes them different? ...
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Private properties in JavaScript ES6 classes

Is it possible to create private properties in ES6 classes? 38 Answers 38 ...