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How does RegexOptions.Compiled work?

...gular expression as one to be compiled? How does this compare/is different from a cached regular expression? 5 Answers ...
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Why does this code segfault on 64-bit architecture but work fine on 32-bit?

...egers) The comp.lang.c FAQ has an entry discussing why casting the return from malloc is never needed and potentially bad. share | improve this answer | follow ...
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Pros and Cons of Interface constants [closed]

...ng on your needs, I'd likely build an Access class that would get its data from a database table. That way adding a new level is as easy as inserting a new row. Another option would be to build an ENUM class set (where you have one class for each permission role). Then you can extend classes where...
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How is Generic Covariance & Contra-variance Implemented in C# 4.0?

... hurt type safety at all, but lets you return an IEnumerable<string> from a method declared to return IEnumerable<object> for instance. Contravariance is harder to give concrete examples for using interfaces, but it's easy with a delegate. Consider Action<T> - that just represents...
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How do I create an HTML table with a fixed/frozen left column and a scrollable body?

...r anyone who is interested. Essentially the solution moves the headers off from the table and set each of them a 5em width. The table itself is pushed to the right for the same 5em width. This makes a visual appearance that the headers are still part of the normal flow in the table. ...
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Turn off CSRF token in rails 3

...e a mix of regular browser-accessible forms and API endpoints. The answer from Markus Proske would be correct if you were absolutely sure you were not going to have any browser-accessible forms in your app. – Asfand Qazi Jul 9 '14 at 10:44 ...
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Having links relative to root?

... to Fruits List</a> Edited in response to question, in comments, from OP: So doing / will make it relative to www.example.com, is there a way to specify what the root is, e.g what if i want the root to be www.example.com/fruits in www.example.com/fruits/apples/apple.html? Yes, prefac...
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How slow are .NET exceptions?

...al. For instance, int.TryParse is entirely appropriate for converting data from a user. It's appropriate when reading a machine-generated file, where failure means "The file isn't in the format it's meant to be, I really don't want to try to handle this as I don't know what else might be wrong." Wh...
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In MVC, how do I return a string result?

... You can't return a string from a method which returns an ActionResult, so in this case you return Content("") as swilliams explained. If you only ever need to return a string, then you would have the method return a string, as Phil explained. ...
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Ruby equivalent of virtualenv?

...Running this command in the root of a project will install the gems listed from your Gemfile, put the libs in ./vendor, and any executables in ./bin and all requires (if you use bundle console or the Bundler requires) will reference these exes and libs. Works for me. ...