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java.lang.NoClassDefFoundError: com/sun/mail/util/MailLogger for JUnit test case for Java mail

I am using Java Mail API to read and parse emails. It is working fine with Servlet code. 7 Answers ...
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Why is address zero used for the null pointer?

...ll pointer in C source while represented differently at runtime. The C++ standard has a note that makes clear that converting "an integral constant expression with value zero always yields a null pointer, but converting other expressions that happen to have value zero need not yield a null pointer"....
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What does .SD stand for in data.table in R

...ks useful but I do not really know what I am doing with it. What does it stand for? Why is there a preceding period (full stop). What is happening when I use it? ...
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How do I enable file editing in Visual Studio's debug mode?

...nce. I have to stop debugging to edit files. Very annoying. I enabled Edit and Continue. Same result. I disabled Edit and Continue - Same result. ...
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Browser doesn't scale below 400px?

I'm working on putting together a liquid style-sheet and it works wonderful. One thing that I've noticed is that my browser window in Chrome won't resize below 400px it just gets stuck there and in FF as I scale down it it just stops at around 400px and then pops a horizontal scroll bar. ...
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What is the exact difference between currentTarget property and target property in javascript

Can anyone please tell me the exact difference between currentTarget and target property in Javascript events with example and which property is used in which scenario? ...
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how to get an uri of an image resource in android

... The format is: "android.resource://[package]/[res id]" [package] is your package name [res id] is value of the resource ID, e.g. R.drawable.sample_1 to stitch it together, use Uri path = Uri.parse("android.resource://your.package.name/"...
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How do I apply a CSS class to Html.ActionLink in ASP.NET MVC?

I'm building an ASP.NET MVC application, using VB.NET and I'm trying to apply a css class to a Html.ActionLink using the code: ...
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What's the difference between eval, exec, and compile?

I've been looking at dynamic evaluation of Python code, and come across the eval() and compile() functions, and the exec statement. ...
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When exactly is it leak safe to use (anonymous) inner classes?

I have been reading some articles on memory leaks in Android and watched this interesting video from Google I/O on the subject . ...