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Exit a Script On Error

...d your script below.... # If an error occurs, the abort() function will be called. #---------------------------------------------------------- # ===> Your script goes here # Done! trap : 0 echo >&2 ' ************ *** DONE *** ************ ' ...
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ASP.NET Identity DbContext confusion

A default MVC 5 App comes with this piece of code in IdentityModels.cs - this piece of code is for all the ASP.NET Identity operations for the default templates: ...
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New Array from Index Range Swift

...e of some larger array. Besides, Swift also provides Array an initializer called init(_:​) that allows us to create a new array from a sequence (including ArraySlice). Therefore, you can use subscript(_:​) with init(_:​) in order to get a new array from the first n elements of an array: let...
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How to darken a background using CSS?

...o you should have a 'fallback color'. This color will be most likely be solid (fully opaque) ex:background:rgb(96, 96, 96). Refer to this blog for RGBa browser support. share | improve this answer ...
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How do I parse JSON in Android? [duplicate]

How do I parse a JSON feed in Android? 3 Answers 3 ...
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What makes a SQL statement sargable?

... be able to use an existing index. In the example above, adding a function call against an indexed column in the where clause, would still most likely take some advantage of the defined index. It will "scan" aka retrieve all values from that column (index) and then eliminate the ones that do not mat...
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Convert integer to hexadecimal and back again

...o: Convert Between Hexadecimal Strings and Numeric Types (C# Programming Guide) for more information and examples. share | improve this answer | follow | ...
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How to vertically align a html radio button to it's label?

... Try this: input[type="radio"] { margin-top: -1px; vertical-align: middle; } share | improve this answer | follow | ...
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What's wrong with using == to compare floats in Java?

... the correct way to test floats for 'equality' is: if(Math.abs(sectionID - currentSectionID) < epsilon) where epsilon is a very small number like 0.00000001, depending on the desired precision. share | ...
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Is there any kind of hash code function in JavaScript?

...m trying to create an object of unique objects, a set. I had the brilliant idea of just using a JavaScript object with objects for the property names. Such as, ...