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Performance of Find() vs. FirstOrDefault() [duplicate]

...foreach loop to do the checking. List<T>.Find() is not part of Linq (http://msdn.microsoft.com/en-us/library/x0b5b5bc.aspx), and is likely using a standard for loop from 0 to Count (or another fast internal mechanism probably operating directly on its internal/wrapped array). By getting rid of...
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How to Store Historical Data

... Change data capture: https://docs.microsoft.com/en-us/sql/relational-databases/track-changes/about-change-data-capture-sql-server?view=sql-server-2017 It is supported in SQL Server 2008 R2, it might have been supported in SQL Server 2008. ...
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What is the basic difference between the Factory and Abstract Factory Design Patterns? [closed]

... Source for this information taken from: http://java.dzone.com/news/intro-design-patterns-abstract Abstract Factory vs. Factory Method The methods of an Abstract Factory are implemented as Factory Methods. Both the Abstract Factory Pattern and the Factory Method Pa...
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Python strftime - date without leading 0?

...tion between % and the letter (such as 'd' for day of month), according to http://docs.python.org/library/time.html -- but it's definitely a non-portable solution (e.g. doesn't work on my Mac;-). Maybe you can use a string replace (or RE, for really nasty format) after the strftime to remedy that? ...
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How to check for null in Twig?

... How to set default values in twig: http://twig.sensiolabs.org/doc/filters/default.html {{ my_var | default("my_var doesn't exist") }} Or if you don't want it to display when null: {{ my_var | default("") }} ...
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outline on only one border

... nav ul li { display:inline-block; } nav ul li a { color:#fff; } http://jsfiddle.net/10basetom/uCX3G/1/ share | improve this answer | follow | ...
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What does “fragment” mean in ANTLR?

...eUploader: { brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
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How can you use optional parameters in C#?

... From this site: http://www.tek-tips.com/viewthread.cfm?qid=1500861&page=1 C# does allow the use of the [Optional] attribute (from VB, though not functional in C#). So you can have a method like this: using System.Runtime.InteropService...
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Is jquery a javascript library or framework? [closed]

Here, jquery is mentioned under framework category: http://en.wikipedia.org/wiki/Comparison_of_JavaScript_frameworks 7 Ans...
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Convert integer to hexadecimal and back again

...= int.Parse(hexValue, System.Globalization.NumberStyles.HexNumber); from http://www.geekpedia.com/KB8_How-do-I-convert-from-decimal-to-hex-and-hex-to-decimal.html share | improve this answer ...