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css3 drop shadow under another div, z-index not working [duplicate]

i'm trying to use a drop shadow to make it look like one div (the header) is "above" another. my problem is that the "middle" div is covering the drop shadow. i tried using z-index to put the header div about the middle div, but it's not working (the shadow is still being covered). when i put a brea...
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Why does Path.Combine not properly concatenate filenames that start with Path.DirectorySeparatorChar

... This is kind of a philosophical question (which perhaps only Microsoft can truly answer), since it's doing exactly what the documentation says. System.IO.Path.Combine "If path2 contains an absolute path, this method returns path2."...
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Case preserving substitute in Vim

...answered Apr 17 '14 at 22:59 Mark LodatoMark Lodato 37.4k55 gold badges3737 silver badges3030 bronze badges ...
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Disable XML validation in Eclipse

My Eclipse validates XML files every time I save a file and it takes a while to validate them. The project is created using gwt-maven-plugin. ...
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XPath: How to check if an attribute exists?

... edited Nov 6 '13 at 17:33 ulidtko 11.5k77 gold badges4343 silver badges8181 bronze badges answered Sep 17 '10 at 18:26 ...
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How can I have grep not print out 'No such file or directory' errors?

... DogbertDogbert 181k3434 gold badges316316 silver badges332332 bronze badges ...
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Location Manager Error : (KCLErrorDomain error 0)

...ccurs if you have Scheme/Edit Scheme/Options/Allow Location Simulation checked but don't have a default location set. I'm sure there are other causes as well though. share | improve this answer ...
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Easy way to test a URL for 404 in PHP?

... If you are using PHP's curl bindings, you can check the error code using curl_getinfo as such: $handle = curl_init($url); curl_setopt($handle, CURLOPT_RETURNTRANSFER, TRUE); /* Get the HTML or whatever is linked in $url. */ $response = curl_exec($handle); /* Check for 40...
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What is the recommended way to use Vim folding for Python code

... Personally I can't convince myself to litter my code with the markers. I've become pretty used to (and efficient) at using indent-folding. Together with my mapping of space bar (see below) to open/close folds and the zR and zM commands, I'm right at home. Perfect for Python! set foldmethod...
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Omit rows containing specific column of NA

I want to know how to omit NA values in a data frame, but only in some columns I am interested in. 8 Answers ...