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Is there a standard sign function (signum, sgn) in C/C++?

I want a function that returns -1 for negative numbers and +1 for positive numbers. http://en.wikipedia.org/wiki/Sign_function It's easy enough to write my own, but it seems like something that ought to be in a standard library somewhere. ...
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Reorder bars in geom_bar ggplot2

... postfix: "", imageUploader: { brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9....
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How to allow keyboard focus of links in Firefox?

Go to this ultra-simple fiddle in a Webkit browser and click on on of the inputs: 1 Answer ...
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What is the difference between SIGSTOP and SIGTSTP?

Just wondering about the difference between SIGSTOP and SIGTSTP signals. 3 Answers 3...
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Error during SSL Handshake with remote server

I have Apache2 (listening on 443) and a web app running on Tomcat7 (listening on 8443) on Ubuntu . 3 Answers ...
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Laravel Schema onDelete set null

... You might want to roll back, write out the sql by hand and then execture and run tests on local. Everything I can find says that should work dev.mysql.com/doc/refman/5.6/en/…, could be an issue generating the sql – Chris Barrett Jan 1 ...
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Window.open and pass parameters by post method

...rect, with encoding of values in the HTML code), just open an empty window and post a form to it. Example: <form id="TheForm" method="post" action="test.asp" target="TheWindow"> <input type="hidden" name="something" value="something" /> <input type="hidden" name="more" value="someth...
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How to escape quote marks in Exec Command in MSBuild

...ncludes an embedded space. The embedded space causes the mapping to fail, and I don't know if it is possible to escape quotes around the path. I've tried double quote marks, but MSBuild doesn't like it (either that or Windows XP doesn't like it). Anyone know how to code this beast so the map work...
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Error when testing on iOS simulator: Couldn't register with the bootstrap server

...of a UIAlertView. I stopped debugging there, made some changes to the code and built the app again. Now when I run the application, I get this error in the console ...
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How to retrieve Request Payload

I'm using PHP , ExtJS and ajax store . 2 Answers 2 ...