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What is “Orthogonality”?

...em would be a radio, where changing the station does not change the volume and vice-versa. A non-orthogonal system would be like a helicopter where changing the speed can change the direction. In programming languages this means that when you execute an instruction, nothing but that instruction ...
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Android DialogFragment vs Dialog

... Yes, use DialogFragment and in onCreateDialog you can simply use an AlertDialog builder anyway to create a simple AlertDialog with Yes/No confirmation buttons. Not very much code at all. With regards handling events in your fragment there would be ...
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image processing to improve tesseract OCR accuracy

...o convert documents into text. The quality of the documents ranges wildly, and I'm looking for tips on what sort of image processing might improve the results. I've noticed that text that is highly pixellated - for example that generated by fax machines - is especially difficult for tesseract to pr...
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How to install latest version of git on CentOS 7.x/6.x

... You can use WANDisco's CentOS repository to install Git 2.x: for CentOS 6, for CentOS 7 Install WANDisco repo package: yum install http://opensource.wandisco.com/centos/6/git/x86_64/wandisco-git-release-6-1.noarch.rpm - or - yum instal...
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Logout: GET or POST?

...use GET or POST in general; it is about which is the recommended one for handling logging out of a web application. I have found plenty of information on the differences between GET and POST in the general sense, but I did not find a definite answer for this particular scenario. ...
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How to properly compare two Integers in Java?

... Integer y = ...; System.out.println(x == y); this will check whether x and y refer to the same object rather than equal objects. So Integer x = new Integer(10); Integer y = new Integer(10); System.out.println(x == y); is guaranteed to print false. Interning of "small" autoboxed values can l...
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jQuery and TinyMCE: textarea value doesn't submit

I am using jQuery and TinyMCE to submit a form, but there is a problem in serialization in that the Textarea value doesn't post. ...
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What is the difference between an expression and a statement in Python?

In Python, what is the difference between expressions and statements? 14 Answers 14 ...
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Using jQuery To Get Size of Viewport

How do I use jQuery to determine the size of the browser viewport, and to redetect this if the page is resized? I need to make an IFRAME size into this space (coming in a little on each margin). ...
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Disable browsers vertical and horizontal scrollbars

Is it possible to disable the browsers vertical and horizontal scrollbars using jQuery or javascript? 11 Answers ...