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C# 'is' operator performance

... answered Mar 26 '09 at 16:09 Andrew HareAndrew Hare 310k6363 gold badges611611 silver badges614614 bronze badges ...
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How do you pass multiple enum values in C#?

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Drag and drop files into WPF

...o whatever // handling code you have defined. HandleFileOpen(files[0]); } } Also, don't forget to actually hook up the event in XAML, as well as setting the AllowDrop attribute. <StackPanel Name="ImagePanel" Drop="ImagePanel_Drop" AllowDrop="true"> ... </StackPanel> ...
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Opening port 80 EC2 Amazon web services [closed]

I've opened port 80 in the web console on my E2C instance's security group but I still can't access it via the public dns in the browser. ...
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Notification when a file changes?

... answered Apr 6 '09 at 14:34 Mihai LimbășanMihai Limbășan 54.5k44 gold badges4646 silver badges5858 bronze badges ...
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invalid command code ., despite escaping periods, using sed

...ving '' as argument to -i: find ./ -type f -exec sed -i '' -e "s/192.168.20.1/new.domain.com/" {} \; See this. share | improve this answer | follow | ...
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How can I return pivot table output in MySQL?

...le looks something like this: CREATE TABLE `test_pivot` ( `pid` bigint(20) NOT NULL AUTO_INCREMENT, `company_name` varchar(32) DEFAULT NULL, `action` varchar(16) DEFAULT NULL, `pagecount` bigint(20) DEFAULT NULL, PRIMARY KEY (`pid`) ) ENGINE=MyISAM; Now look into his/her desired table: ...
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How to easily resize/optimize an image size with iOS?

...one disk. Some of those images are pretty big in size (widths larger than 500 pixels, for instance). Since the iPhone doesn't even have a big enough display to show the image in its original size, I'm planning on resizing the image to something a bit smaller to save on space/performance. ...
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How to define a reply-to address?

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What is non-blocking or asynchronous I/O in Node.js?

...; Asynchronous: 1,3,2 alert(1); setTimeout(() => alert(2), 0); alert(3); Blocking vs Non-blocking Blocking refers to operations that block further execution until that operation finishes. Non-blocking refers to code that doesn't block execution. In the given example, localSt...