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Configuration With Same Name Already Exists

...n the table, Click the dropdown in the Platform column for the project and select , to add a new platform. Click OK. Repeat adding new platforms as needed. Save the project. Return the previously moved solution file back to where it was. Reopen the combined project solution. sour...
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S3 - Access-Control-Allow-Origin Header

...ence from Amazon about that. Pretty much, just go to your bucket, and then select "Properties" from the tabs on the right, open "Permissions tab and then, click on "Edit CORS Configuration". Originally, I had < AllowedOrigin> set to *. Just change that asterisk to your URL, be sure to include ...
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M_PI works with math.h but not with cmath in Visual Studio

... As suggested by user7860670, right-click on the project, select properties, navigate to C/C++ -> Preprocessor and add _USE_MATH_DEFINES to the Preprocessor Definitions. That's what worked for me. share ...
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How should I detect unnecessary #include files in a large C++ project?

...t may result in undefined behaviour if that specialization would have been selected. (See: Visibility of template specialization of C++ function) As pointed out by 'msalters', performing a full analysis of the code also allows for analysis of class usage. By checking how a class is used though a ...
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How do I increase the cell width of the Jupyter/ipython notebook in my browser?

...d; * important so that it also works when cell is in edit mode*/ div.cell.selected { border-left-width: 1px !important; } share | improve this answer | follow ...
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How to pick a new color for each plotted line within a figure in matplotlib?

...sure that you have a list big enough and then use the index of the loop to select the color colors = ['r', 'b', ...., 'w'] for i in range(20): ax1.plot(x, y, color = colors[i]) share | improve...
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How to write :hover condition for a:before and a:after?

...t comes after the pseudo-class (and in fact, at the very end of the entire selector). Notice also that they are two different things; calling them both "pseudo-selectors" is going to confuse you once you run into syntax problems such as this one. If you're writing CSS3, you can denote a pseudo-eleme...
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How do I restore a missing IIS Express SSL Certificate?

...es). So, if you're using IIS Express in Visual Studio, make sure the port selected is in the required range: vs setting for iis express share | improve this answer | follow ...
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Eclipse syntax highlighting preferences save and restore

... On my eclipse 3.4.1 (or 3.5Mx), I do see an 'export all' option I can select. That will... export all preferences. You can then edit the resulting file to keep only what interest you, and re-import those specific setting into your eclipse configuration. – VonC ...
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What is the reason why “synchronized” is not allowed in Java 8 interface methods?

...ways be used with care.) The sync block requires the author to explicitly select a lock object; this allows them to participate in the synchronization policy of some other object, if they know what that policy is. The dangerous part is assuming that synchronizing on 'this' (which is what sync meth...