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Sending multipart/formdata with jQuery.ajax

I've got a problem sending a file to a serverside PHP-script using jQuery's ajax-function. It's possible to get the File-List with $('#fileinput').attr('files') but how is it possible to send this Data to the server? The resulting array ( $_POST ) on the serverside php-script is 0 ( NULL ) when us...
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Android Studio with Google Play Services

I'm trying to test Google Play Services with the new Android Studio. I have a project with a dependency to the google_play_services.jar. But when I try to Rebuild the project I get the following errors: ...
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Android studio using > 100% CPU at all times - no background processes appear to be running

I've noticed Android Studio (when running) uses greater than 100% CPU at all times, even when it appears there are no background processes that the IDE is running (indexing, etc). I might suspect this were something specific to my box, but some fellow developers are encountering this as well. ...
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How to find duplicates in 2 columns not 1

I have a MySQL database table with two columns that interest me. Individually they can each have duplicates, but they should never have a duplicate of BOTH of them having the same value. ...
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Include only certain file types when searching in Visual Studio

Often when I want to search through my code in Visual Studio, I know the thing I'm looking for is in some C# code. However, as I've used the same variable name in a JavaScript file, I have to wade through all those search results too. This gets even worse when the text I'm looking for is also used i...
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Python Pandas: Get index of rows which column matches certain value

Given a DataFrame with a column "BoolCol", we want to find the indexes of the DataFrame in which the values for "BoolCol" == True ...
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How do I read all classes from a Java package in the classpath?

I need to read classes contained in a Java package. Those classes are in classpath. I need to do this task from a Java program directly. Do you know a simple way to do? ...
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Do c++11 lambdas capture variables they don't use?

When I use [=] to indicate that I would like all local variables to be captured by value in a lambda, will that result in all local variables in the function being copied, or just all local variables that are used by the lambda ? ...
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jekyll markdown internal links

Jekyll uses Markdown-formatted links, but how can I link to internal content? 6 Answers ...
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What exception classes are in the standard C++ library

What are the exception classes that are included in the standard C++ library, and what should they be used for? I know there are a few new C++11 exceptions, but I'm not sure what they are or where they are. ...