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drag drop files into standard html file input

These days we can drag & drop files into a special container and upload them with XHR 2. Many at a time. With live progress bars etc. Very cool stuff. Example here. ...
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Difference between setUp() and setUpBeforeClass()

When unit testing with JUnit, there are two similar methods, setUp() and setUpBeforeClass() . What is the difference between these methods? Also, what is the difference between tearDown() and tearDownAfterClass() ? ...
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SQL Server Operating system error 5: “5(Access is denied.)”

I am starting to learn SQL and I have a book that provides a database to work on. These files below are in the directory but the problem is that when I run the query, it gives me this error: ...
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How can I get Visual Studio 2008 Windows Forms designer to render a Form that implements an abstract

I engaged a problem with inherited Controls in Windows Forms and need some advice on it. 10 Answers ...
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JavaScript variable number of arguments to function

... Tnx. It is great for parsing Strings from android native code to javascript in a Webview. – Johan Hoeksma Aug 31 '13 at 16:06 4 ...
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How to work with complex numbers in C?

...t doesn't give me much information about how to use it. How to access real and imaginary parts in an efficient way? Is there native functions to get module and phase? ...
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How can I remove the search bar and footer added by the jQuery DataTables plugin?

... As good as @antpaw comment is, and seems to work in most cases, it doesn't work if there is filtering going on for each column, like in this example :datatables.net/release-datatables/extras/FixedColumns/… . Be aware! – Janis Peisen...
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Convert to binary and keep leading zeros in Python

...Specification mini language. The # makes the format include the 0b prefix, and the 010 size formats the output to fit in 10 characters width, with 0 padding; 2 characters for the 0b prefix, the other 8 for the binary digits. This is the most compact and direct option. If you are putting the result...
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FixedThreadPool vs CachedThreadPool: the lesser of two evils

...similar question suggested they were better suited for longer lived tasks and with my very limited knowledge of multithreading, I considered the average life of the threads (several minutes) " long lived ". ...
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How to use a variable to specify column name in ggplot

I have a ggplot command 6 Answers 6 ...