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What is ApplicationException for in .NET?

To throw exceptions, I usually use built-in exception classes, e.g. ArgumentNullException and NotSupportedException . However, sometimes I need to use a custom exception and in that case I write: ...
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How to Copy Contents of One Canvas to Another Canvas Locally

I'd like to copy ALL contents of one canvas and transfer them to another all on the client-side. I would think that I would use the canvas.toDataURL() and context.drawImage() method to implement this but I am running into a few issues. ...
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Set scroll position

...'m trying to set the scroll position on a page so the scroller is scrolled all the way to the top. 4 Answers ...
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Why are floating point numbers inaccurate?

...ted a lot like scientific notation: with an exponent and a mantissa (also called the significand). A very simple number, say 9.2, is actually this fraction: 5179139571476070 * 2 -49 Where the exponent is -49 and the mantissa is 5179139571476070. The reason it is impossible to represent some de...
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Why is it common to put CSRF prevention tokens in cookies?

...ds to flow between different page requests where the CSRF value cannot normally persist in the browser). Consider the following scenarios and processes in a typical application for some pros and cons of each approach you describe. These are based on the Synchronizer Token Pattern. Request Body App...
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Maven: how to override the dependency added by a library

...endency management that have NOT yet been implemented for Maven 2.0, especially with regards to transitive dependencies." at the top. – wishihadabettername Oct 14 '10 at 20:30 ...
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jQuery: count number of rows in a table

... Use a selector that will select all the rows and take the length. var rowCount = $('#myTable tr').length; Note: this approach also counts all trs of every nested table! share ...
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How to revert to origin's master branch's version of file

...hen: git checkout origin/master filename Assuming you want to blow away all commits from your branch (VERY DESTRUCTIVE): git reset --hard origin/master share | improve this answer | ...
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Computational complexity of Fibonacci Sequence

...ll have depth n and intuitively figure out that this function is asymptotically O(2n). You can then prove your conjecture by induction. Base: n = 1 is obvious Assume T(n-1) = O(2n-1), therefore T(n) = T(n-1) + T(n-2) + O(1) which is equal to T(n) = O(2n-1) + O(2n-2) + O(1) = O(2n) However, as ...
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How to vertically align into the center of the content of a div with defined width/height?

What would be the correct method to vertically center any content in a defined width/height div . 4 Answers ...