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Eclipse debugger always blocks on ThreadPoolExecutor without any obvious exception, why?

... projects on Eclipse, it's a J2EE application, made with Spring, Hibernate and so on. I'm using Tomcat 7 for this (no particular reason, I don't exploit any new feature, I just wanted to try that). Every time I debug my application, it happens that Eclipse debugger pops out like it has reached a bre...
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Downloading a Google font and setting up an offline site that uses it

I have a template and it has a reference to a Google font like this: 11 Answers 11 ...
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How do I remove javascript validation from my eclipse project?

I am using eclipse on my project and while messing around with my eclipse settings, I turned on Javascript support. Now eclipse complains that JQuery library has errors in it and is not letting me compile the project. Does anyone know how to turn javascript validation off? ...
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What is Ruby's double-colon `::`?

... In C#, for instance, yes. On the other hand C++ (and Ruby) use :: for namespace resolution such as std::cout << "Hello World!"; – Jerry Fernholz Jun 9 '10 at 20:29 ...
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counting number of directories in a specific directory

...he number of folders in a specific directory. I am using the following command, but it always provides an extra one. 15 An...
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How can I implode an array while skipping empty array items?

...k if you have 0 (or any other value that evaluates to false) in your array and you want to keep it. But then you can provide your own callback function. share | improve this answer | ...
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What is “lifting” in Haskell?

I don't understand what "lifting" is. Should I first understand monads before understanding what a "lift" is? (I'm completely ignorant about monads, too :) Or can someone explain it to me with simple words? ...
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What is the difference between user variables and system variables?

What is the difference between user variables such as PATH , TMP , etc. and system variables? 5 Answers ...
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.prop() vs .attr()

...dation to prefer attr(). Original answer If you've only ever used jQuery and not the DOM directly, this could be a confusing change, although it is definitely an improvement conceptually. Not so good for the bazillions of sites using jQuery that will break as a result of this change though. I'll ...
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How to convert the background to transparent? [closed]

...gging the image around in your browser for visibility, the gray background and the border is not part of the image] File menu/Save Image GIF/PNG/ICO image file formats support transparency, JPG doesn't! share | ...