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Find() vs. Where().FirstOrDefault()

I often see people using Where.FirstOrDefault() to do a search and grab the first element. Why not just use Find() ? Is there an advantage to the other? I couldn't tell a difference. ...
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How to crop circular area from bitmap in Android

I have a bitmap and I want to crop a circular region from this bitmap. All pixels outside the circle should be transparent. How can I do this? ...
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What is the colon operator in Ruby?

...ifferent objects, even if they are equal content. == compares the content, and the equivalent checks with symbols are much faster. user system total real string 0.370000 0.000000 0.370000 ( 0.371700) str == str 0.330000 0.000000 0.330000 ( 0.326368...
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Spring MVC @PathVariable getting truncated

...ng @Configuration spring classes instead of XML. – evandongen Oct 20 '11 at 13:46 3 This works, b...
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Custom circle button

I want to create custom button and I need it to be circle. How can I create a circle button? I do not think that be possible with draw9patch. ...
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Difference between innerText, innerHTML, and childNodes[].value?

What is the difference between innerHTML , innerText and childNodes[].value in JavaScript? 11 Answers ...
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How to perform Callbacks in Objective-C

... of the selector. Next you have some object be the delegate of "MyClass" and MyClass calls the delegate methods on the delegate as appropriate. If your delegate callbacks are optional, you'll typically guard them at the dispatch site with something like "if ([delegate respondsToSelector:@selector(...
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How can I display just a portion of an image in HTML/CSS?

...age you want to display as a background in a container (td, div, span etc) and then adjust background-position to get the sprite you want. share | improve this answer | foll...
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@Html.BeginForm Displaying “System.Web.Mvc.Html.MvcForm” on Page

...e a razor view that I added a delete button to inside of an 'if' statement and when the view is rendered in the browser it is displaying "System.Web.Mvc.Html.MvcForm" next to the delete button. ...
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Why are nested weights bad for performance? Alternatives?

...easurements increase exponentially. It's better to use RelativeLayouts and adjust your view according to the places of other views without using specific dpi values. share | improve this answer ...