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How to convert a factor to integer\numeric without loss of information?

When I convert a factor to a numeric or integer, I get the underlying level codes, not the values as numbers. 10 Answers ...
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How to get screen dimensions as pixels in Android

...edge). Therefore I need to get the screen width and screen height and then set position: 40 Answers ...
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When/Why to use Cascading in SQL Server?

When setting up foreign keys in SQL Server, under what circumstances should you have it cascade on delete or update, and what is the reasoning behind it? ...
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What is function overloading and overriding in php?

...urs when you define the same function name twice (or more) using different set of parameters. For example: class Addition { function compute($first, $second) { return $first+$second; } function compute($first, $second, $third) { return $first+$second+$third; } } In the example ab...
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Matplotlib discrete colorbar

...n my method) is making 0 showup as grey. For images i often use the cmap.set_bad() and convert my data to a numpy masked array. That would be much easier to make 0 grey, but i couldnt get this to work with the scatter or the custom cmap. As an alternative you can make your own cmap from scratch,...
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Fastest way to check if a file exist using standard C++/C++11/C?

...s, that would be quite confusing (think: exists in an STL container like a set). – einpoklum Feb 17 '16 at 15:00 3 ...
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How to replace a whole line with sed?

... editor after snippets, if snippets enabled if (StackExchange.settings.snippets.snippetsEnabled) { StackExchange.using("snippets", function() { createEditor(); }); } else { createEditor(); ...
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AngularJs $http.post() does not send data

...ults.headers.post['Content-Type'] = 'application/x-www-form-urlencoded;charset=utf-8'; /** * The workhorse; converts an object to x-www-form-urlencoded serialization. * @param {Object} obj * @return {String} */ var param = function(obj) { var query = '', name, value, fullSubNam...
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Get class that defined method

... implementing the method. My workaround for it was quite simple actually; setting a method attribute and testing its presence later. Here's an simplification of the whole thing: class A(): def method(self): pass method._orig = None # This attribute will be gone once the method is i...
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How do you clone a Git repository into a specific folder?

...documentation from git: -t, --track When creating a new branch, set up "upstream" configuration. See "--track" in git-branch(1) for details. – csomakk Apr 19 '17 at 11:04 ...