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nullable object must have a value

... When using LINQ extension methods (e.g. Select, Where), the lambda function might be converted to SQL that might not behave identically to your C# code. For instance, C#'s short-circuit evaluated && and || are converted to SQL's eager AND and OR. This can c...
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Add a space (“ ”) after an element using :after

... That's not a problem. Simply add user-select:none; to the definition of the pseudo-element. That should work in all browsers except for a few Android ones that are quirky in this respect. – user2581182 Aug 21 at 10:21 ...
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Entity Framework 4 - AddObject vs Attach

...m d in context.Destinations where d.Name == "Grand Canyon" select d).Single(); } DeleteDestination(canyon); } private static void DeleteDestination(Destination destination) { using (var context = new BreakAwayContext()) { context.Destinations.Attach(destinatio...
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How to check if an object is a certain type

... Is there a performance difference between the two? - What about Select Case (Obj.GetType()) with multiple test cases Vs multiple IF TypeOf Obj is ...? – Luke T O'Brien May 22 '17 at 16:27 ...
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How can you find the unused NuGet packages in a solution?

...n also project > Optimize Used References . . . A window will pop up. Select all references and remove them all. Then go back and re-add the ones that give you a compiler error. share | improve...
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What is the best project structure for a Python application? [closed]

...se in your projects. (Slight wrinkle: since on Windows, the interpreter is selected by the file extension, your Windows users actually do want the .py extension. So, when you package for Windows, you may want to add it. Unfortunately there's no easy distutils trick that I know of to automate this pr...
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Difference between Google APIs (x86 System Image) and Google APIs (ARM System Image) in Android 4.4.

... @oenpelli, What does "API" in "Google APIs" refer to? When we select to install "Google APIs", what actually happens? Does it just download the Android Java libraries used by Google or are there other system code involved? – Pacerier Jul 1 '15 at 8...
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How can I specify the base for Math.log() in JavaScript?

... Adjust precision with selective rounding: (Math.round(Math.log(1000) / Math.LN10 * 1e6) / 1e6) – Shane Daniel Nov 21 '13 at 5:01 ...
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ASP.NET MVC passing an ID in an ActionLink to the controller

...to another controller passing the Id or Primary Key via @Html.ActionLink("Select", "Create", "StudentApplication", new { id=item.PersonId }, null) share | improve this answer | ...
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How do I make this file.sh executable via double click?

... You can just tell Finder to open the .sh file in Terminal: Select the file Get Info (cmd-i) on it In the "Open with" section, choose "Other…" in the popup menu Choose Terminal as the application This will have the exact same effect as renaming it to .command except… you don't h...