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Cross cutting concern example

...uently used in distributed applications to aid debugging by tracing method calls. Suppose we do logging at both the beginning and the end of each function body. This will result in crosscutting all classes that have at least one function. (Courtesy) ...
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download file using an ajax request

...me JavaScript to test if download is supported and if not, switching it to call window.location. Original answer You can't have an AJAX request open the download prompt since you physically have to navigate to the file to prompt for download. Instead, you could use a success function to navigate t...
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How to change line width in ggplot?

...ll expand on a few points Aesthetics can be set or mapped within a ggplot call. An aesthetic defined within aes(...) is mapped from the data, and a legend created. An aesthetic may also be set to a single value, by defining it outside aes(). As far as I can tell, what you want is to set size to...
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Save current directory in variable using Bash?

...if I change to another dir this updates the cwd variable too. Like if it's calling the pwd function each time... dpaste.de/Kn7F How can I avoid that? – tutuca Nov 28 '13 at 16:00 ...
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ASP.NET MVC ambiguous action methods

I have two action methods that are conflicting. Basically, I want to be able to get to the same view using two different routes, either by an item's ID or by the item's name and its parent's (items can have the same name across different parents). A search term can be used to filter the list. ...
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Remove specific commit

...ot yet been officially released (though it is available in Git v1.7.2-rc2) called Revert Strategy. You can invoke git like this: git revert --strategy resolve <commit> and it should do a better job figuring out what you meant. I do not know what the list of available strategies is, nor...
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Is MATLAB OOP slow or am I doing something wrong?

... answer is: yes, MATLAB's OOP is kind of slow. There is substantial method call overhead, higher than mainstream OO languages, and there's not much you can do about it. Part of the reason may be that idiomatic MATLAB uses "vectorized" code to reduce the number of method calls, and per-call overhead ...
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What is this 'Waiting for Background operation' in Visual Studio 2012?

...e IMessageFilter interface. The trigger occurs when COM marshals a method call to another thread and that call doesn't complete for 60 seconds. There's little value in the actual notification, it is telling you something you already know. By the time 60 seconds have passed, you typically already ...
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Why is the String class declared final in Java?

...ng all kind of authentication checks before it gets around to doing the OS call. If you manage to do something that effectively mutated the String, after the security check and before the OS call, then boom, you're in..." – Anurag Jun 10 '13 at 20:16 ...
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Visual Studio, debug one of multiple threads

...tting my breakpoint I just hit Continue a few times until I identified the call I was looking for - then removed the breakpoint and stepped through the rest of the code while remaining on the same thread without interference from the rest of them. This obviously becomes a problem if you have multip...