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How can I use Server.MapPath() from global.asax?

... Nope. If you fire up Reflector, you'll notice that Server.MapPath and Request.MapPath ultimately call VirtualPath.MapPath which ultimately calls HostingEnvironment.MapPath. They all end up in the same place. HostingEnvironment.MapPath cuts out the middle man. – Corbin ...
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What's the difference if I put css file inside or ?

... Just to add on to what jdelStrother has mentioned about w3 specs and ARTstudio about browser rendering. It is recommended because when you have the CSS declared before <body> starts, your styles has actually loaded already. So very quickly users see something appear on their screen (...
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Is it valid to replace http:// with // in a ?

...complying with the URI syntax specified in the RFC. Your example is valid and should work. I've used that relative URL method myself on heavily trafficked sites and have had zero complaints. Also, we test our sites in Firefox, Safari, IE6, IE7 and Opera. These browsers all understand that URL fo...
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Using ThreadPool.QueueUserWorkItem in ASP.NET in a high traffic scenario

...read at all. That goes for both free threads, created by new Thread(...), and worker threads in the ThreadPool that respond to QueueUserWorkItem requests. Yes, it's true, you can starve the ThreadPool in an ASP.NET process by queuing too many work items. It will prevent ASP.NET from processing fu...
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How can I unit test Arduino code?

...Sim-based tests There's a lot of discussion about what unit test means and I'm not really trying to make an argument about that here. This post is not telling you to avoid all practical testing on your ultimate target hardware. I am trying to make a point about optimizing your developmen...
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How to merge a specific commit in Git

I have forked a branch from a repository in GitHub and committed something specific to me. Now I found the original repository had a good feature which was at HEAD . ...
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Inputting a default image in case the src attribute of an html is not valid?

...tatic.net/Img/unified/sprites.svg?v=e5e58ae7df45" alt="Stack Overflow logo and icons and such"> </object> </p> </body> </html> Since the first image doesn't exist, the fallback (the sprites used on this web site*) will display. And if you're using a re...
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Java executors: how to be notified, without blocking, when a task completes?

... of the task. You could even write a general wrapper for Runnable tasks, and submit these to ExecutorService. Or, see below for a mechanism built into Java 8. class CallbackTask implements Runnable { private final Runnable task; private final Callback callback; CallbackTask(Runnable task...
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There is no ListBox.SelectionMode=“None”, is there another way to disable selection in a listbox?

...ox, you could use ItemsControl instead. It places items in the ItemsPanel and doesn't have the concept of selection. <ItemsControl ItemsSource="{Binding MyItems}" /> By default, ItemsControl doesn't support virtualization of its child elements. If you have a lot of items, virtualization can ...
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Removing whitespace between HTML elements when using line breaks

...ock, or float:left on the images will let you have define your own spacing and format the HTML however you want but will affect the layout in ways that might or might not be appropriate. Otherwise you are dealing with inline content so the HTML formatting is important - as the images will effective...