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Smallest data URI image possible for a transparent image

I'm using a transparent 1x1 image with a background image, to be able to use sprites and still provide alternative text for some icons. ...
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Why does the C++ map type argument require an empty constructor when using []?

...tor[]. Quote from SGI documentation: data_type& operator[](const key_type& k) - Returns a reference to the object that is associated with a particular key. If the map does not already contain such an object, operator[] inserts the default object data_type(). If you don't ha...
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How do I use Maven through a proxy?

.... Maven 2.1 introduced password encryption, but I've not got round to checking if the encryption applies for the proxy settings as well as repository passwords (don't see why it wouldn't though). For info, there is a commented-out proxy configuration in your settings.xml and instructions on how to...
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What's the “average” requests per second for a production web application?

... OpenStreetMap seems to have 10-20 per second Wikipedia seems to be 30000 to 70000 per second spread over 300 servers (100 to 200 requests per second per machine, most of which is caches) Geograph is getting 7000 images per week (1 upload per 95 seconds) ...
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Adding images or videos to iPhone Simulator

I am trying to use UIImagePickerController with UIImagePickerControllerSourceTypePhotoLibrary , but it says, "No photos". Where does the simulator get the images from? Where should I copy the images so that they are displayed in the simulator? ...
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Removing an item from a select box

...ems from, or add items to, a select box? I'm running jQuery, should that make the task easier. Below is an example select box. ...
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index.php not loading by default

... John HimmelmanJohn Himmelman 19.5k1919 gold badges6060 silver badges7979 bronze badges ...
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Git diff output to file preserve coloring

... Peter Mortensen 26.5k2121 gold badges9292 silver badges122122 bronze badges answered Mar 14 '12 at 17:09 ralphtheninjaral...
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How can I format a number into a string with leading zeros?

... Rather simple: Key = i.ToString("D2"); D stands for "decimal number", 2 for the number of digits to print. share | improve this answer ...
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How to recover MySQL database from .myd, .myi, .frm files

... .MYI files into a database directory (e.g., /var/lib/mysql/dbname) will make that table available. It doesn't have to be the same database as they came from, the same server, the same MySQL version, or the same architecture. You may also need to change ownership for the folder (e.g., chown -R mysql...