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ASP.NET MVC Html.DropDownList SelectedValue

... The code in the previous MVC 3 post does not work but it is a good start. I will fix it. I have tested this code and it works in MVC 3 Razor C# This code uses the ViewModel pattern to populate a property that returns a List<SelectListItem>. The Model class public class Product { ...
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Where is the WPF Numeric UpDown control?

... It should be noted that starting with version v3.7.0, the open sourced version of wpftoolkit is provided under a proprietary non-commercial license rather than MS-PL (reference) – Jordoff Dec 19 '19 at 0:30 ...
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Getting root permissions on a file inside of vi? [closed]

...begins the command; you will need to type this character in normal mode to start entering a command. It should be omitted in scripts. sil[ent] suppresses output from the command. In this case, we want to stop the Press any key to continue-like prompt that appears after running the :! command. ex...
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How unique is UUID?

...d or someone clones your network card). I say "at least" because the clock starts at 15 October 1582, so you have about 400 years after the clock wraps before there is even a small possibility of duplications. Version 4 is the random number UUID. There's six fixed bits and the rest of the UUID is 12...
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How to remove from a map while iterating it?

...d next_it to the same values, you don't need to say "next_it = it;" at the start of the loop. – cdgraham Nov 7 '18 at 19:06 1 ...
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How can I push to my fork from a clone of the original repo?

... branch tracks. However, git push -u myrepo master makes your local master start tracking myrepo/master. If, after that, you run git pull while on master, you will pull from myrepo, and no longer from origin. – jub0bs Nov 30 '18 at 18:55 ...
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C++ static virtual members?

...rnative, since I think his enhanced implementation is overcomplicated. We start with an abstract base class, that provides the interface for all the object types: class Object { public: virtual char* GetClassName() = 0; }; Now we need an actual implementation. But to avoid having to write bo...
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What is the result of % in Python?

...f a is uninteresting. Consider taking a POSIX timestamp (seconds since the start of 1970) and turning it into the time of day. Since there are 24*3600 = 86400 seconds in a day, this calculation is simply t % 86400. But if we were to express times before 1970 using negative numbers, the "truncate tow...
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Reset C int array to zero : the fastest way?

...rwritten using pointer arithmetics ((float *)((a)+x)). The two intrinsics (starting with _mm256) just create a zero-initialized 32byte register and store it to the current pointer. This are the first 3 lines. The rest just handles all special cases where the last 32byte block shouldn't be fully over...
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What is the difference between JSF, Servlet and JSP?

...th taglibs. When a JSP is requested for the first time or when the web app starts up, the servlet container will compile it into a class extending HttpServlet and use it during the web app's lifetime. You can find the generated source code in the server's work directory. In for example Tomcat, it's ...