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How to reuse an ostringstream?

I'd like to clear out and reuse an ostringstream (and the underlying buffer) so that my app doesn't have to do as many allocations. How do I reset the object to its initial state? ...
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Static function variables in Swift

I'm trying to figure out how to declare a static variable scoped only locally to a function in Swift. 4 Answers ...
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Label points in geom_point

The data I'm playing with comes from the internet source listed below 3 Answers 3 ...
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Showing the same file in both columns of a Sublime Text window

When I have 2 columns set in a Sublime Text window, can I display the same file in both columns? 9 Answers ...
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Zero-pad digits in string

I need to cast single figures (1 to 9) to (01 to 09). I can think of a way but its big and ugly and cumbersome. I'm sure there must be some concise way. Any Suggestions ...
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How do you clone a BufferedImage

I have an object which has many bufferedimages in it, I want to create a new object copying all the bufferedimages into the new object, but these new images may be altered and i don't want the original object images to be altered by altering the new objects images. ...
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What are the minimum margins most printers can handle?

Im creating pdfs server side with lots of graphics so maximizing real estate is a must but at the same time ensuring users printers can handle the tight margins is a must. ...
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outline on only one border

How to apply an inset border into an HTML element, but just only on one side of it. Until now, I've been using an image to do that (GIF/PNG) that I would then use as a background and stretch it (repeat-x) and position a little off from the top of my block. Recently, I discovered the outline CSS...
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For loop example in MySQL

In MySQL, I have this stored procedure with a For loop in it: 4 Answers 4 ...
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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...