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Where is the WPF Numeric UpDown control?

Getting into the first serious WPF project. It seems like there are a lot of basic controls flat out missing. Specifically, I am looking for the Numeric UpDown control. Was there an out of band release that I missed? Really don't feel like writing my own control. ...
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How to see if an NSString starts with a certain other string?

I am trying to check to see if a string that I am going to use as URL starts with http. The way I am trying to check right now doesn't seem to be working. Here is my code: ...
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Why is volatile needed in C?

Why is volatile needed in C? What is it used for? What will it do? 18 Answers 18 ...
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How to create a temporary directory?

I use to create a tempfile , delete it and recreate it as a directory: 4 Answers 4 ...
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How to invoke a Linux shell command from Java

I am trying to execute some Linux commands from Java using redirection (>&) and pipes (|). How can Java invoke csh or bash commands? ...
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Why use 'virtual' for class properties in Entity Framework model definitions?

In the following blog: http://weblogs.asp.net/scottgu/archive/2010/07/16/code-first-development-with-entity-framework-4.aspx ...
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What is the difference between currying and partial application?

I quite often see on the Internet various complaints that other peoples examples of currying are not currying, but are actually just partial application. ...
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How is a CRC32 checksum calculated?

Maybe I'm just not seeing it, but CRC32 seems either needlessly complicated, or insufficiently explained anywhere I could find on the web. ...
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how do you filter pandas dataframes by multiple columns

To filter a dataframe (df) by a single column, if we consider data with male and females we might: 6 Answers ...
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Error handling in C code

What do you consider "best practice" when it comes to error handling errors in a consistent way in a C library. 22 Answers ...