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iPad keyboard will not dismiss if modal ViewController presentation style is UIModalPresentationForm
... navigation controller when you present a modal form sheet. See the answer from @miha-hribar below.
– Pascal
Oct 27 '12 at 0:20
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How to print to console when using Qt
...function that Qt provides for sending output to stderr that can be removed from compilation with a define. So it is an alternative for achieving output to the console at runtime.
– Arnold Spence
Oct 7 '10 at 23:23
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node and Error: EMFILE, too many open files
...fs doesn't work... or you just want to understand where the leak is coming from. Follow this process.
(e.g. graceful-fs isn't gonna fix your wagon if your issue is with sockets.)
From My Blog Article: http://www.blakerobertson.com/devlog/2014/1/11/how-to-determine-whats-causing-error-connect-emfile...
“git pull” or “git merge” between master and development branches
...d a develop branch for working on a few changes. I need to merge changes from master into develop , but will eventually merge everything from develop into master . I have two different workflows in mind:
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How does the “final” keyword in Java work? (I can still modify an object.)
...tability; this is achieved by carefully designing the object, and is a far-from-trivial endeavor.
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Convert Data URI to File then append to FormData
...t works with WebKit browsers. Part of the task is to extract an image file from the canvas object and append it to a FormData object for upload.
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getActivity() returns null in Fragment function
...s. The onAttach call is where the Fragment is attached to its activity and from this point getActivity() will return non-null (nb there is also an onDetach() call).
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Run batch file as a Windows service
... running. I am hence forced to have this batch file running and not logout from the Windows server.
8 Answers
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biggest integer that can be stored in a double
...iplied by 2exponent − 52. So with exponent 52 you can store all values from 252 through to 253 − 1. Then with exponent 53, the next number you can store after 253 is 253 + 1 × 253 − 52. So loss of precision first occurs with 253 + 1.
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Preview an image before it is uploaded
.... The most efficient way would be to use URL.createObjectURL() on the File from your <input>. Pass this URL to img.src to tell the browser to load the provided image.
Here's an example:
<input type="file" accept="image/*" onchange="loadFile(event)">
<img id="output"/>
<...