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Is there a typical state machine implementation pattern?

We need to implement a simple state machine in C . Is a standard switch statement the best way to go? We have a current state (state) and a trigger for the transition. ...
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Visual Studio SP1 error: silverlight_sdk.msi is unavailable

...ying to install the SP1 for Visual Studio 2010. I first installed the beta and it worked fine. Then I used the web platform installer to install the SQL CE Compact 4, which I assume installed the full SP1 after (this installation took over 12 hours, so I canceled it). The web platform installer told...
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How can I tell if a DOM element is visible in the current viewport?

... Update: Time marches on and so have our browsers. This technique is no longer recommended and you should use Dan's solution if you do not need to support version of Internet Explorer before 7. Original solution (now outdated): This will check if ...
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Good tutorial for using HTML5 History API (Pushstate?) [closed]

... implemented differently in all the HTML5 browsers (making it inconsistent and buggy) and has no fallback for HTML4 browsers. Fortunately, History.js provides cross-compatibility for the HTML5 browsers (ensuring all the HTML5 browsers work as expected) and optionally provides a hash-fallback for HTM...
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Linq: adding conditions to the where clause conditionally

... If you do not call ToList() and your final mapping to the DTO type, you can add Where clauses as you go, and build the results at the end: var query = from u in DataContext.Users where u.Division == strUserDiv && u.Age > 18 &&a...
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What is an xs:NCName type and when should it be used?

I ran one of my xml files through a schema generator and everything generated was what was expected, with the exception of one node: ...
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Convert an image to grayscale in HTML/CSS

... Support for CSS filters has landed in Webkit. So we now have a cross-browser solution. img { filter: gray; /* IE6-9 */ -webkit-filter: grayscale(1); /* Google Chrome, Safari 6+ & Opera 15+ */ filter: grayscale(1); /* Microsoft Edge and...
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What is Prism for WPF?

... Prism is the Microsoft Patterns and Practices Team official guidance for building "composite applications" in WPF and Silverlight. Its intended to provide guidance on the best practices for building large scale applications which are flexible in terms of d...
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How do I rename a column in a SQLite database table?

...has been asked on stackoverflow previously, but it was for SQL in general, and the case of SQLite was not mentioned. 15 Ans...
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C++ : why bool is 8 bits long?

... Yes, it's a hardware choice, and if the hardware allows for it, the size of a bool could change. But the OP asked why a bool is 8 bits wide, and on systems where that is the case, it is generally because the CPU is only able to address 8-bit bytes. ...