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How to create a self-signed certificate with OpenSSL

...or the subject: -subj "/C=US/ST=Oregon/L=Portland/O=Company Name/OU=Org/CN=www.example.com" – Alex S Jun 5 '15 at 18:13 ...
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Is it safe to push_back an element from the same vector?

... It looks like http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-closed.html#526 addressed this problem (or something very similar to it) as a potential defect in the standard: 1) Parameters taken by const reference can be changed during executi...
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How to use QueryPerformanceCounter?

...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
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printf() formatting for hex

...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
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How to detect online/offline event cross-browser?

...o an example of the "listening for AppCache error events" approach: http://www.html5rocks.com/en/mobile/workingoffthegrid/#toc-appcache ...and an example of the "listening for XMLHttpRequest failures" approach: http://www.html5rocks.com/en/mobile/workingoffthegrid/#toc-xml-http-request HTH, -- Chad ...
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Center image in div horizontally [duplicate]

...lass="outer"> <div class="inner"> <img src="http://www.5150studios.com.au/wp-content/uploads/2012/04/wide.jpg" alt="wide image" /> </div> </div> CSS img { max-width: 100%; max-height: 100%; display: block; margin: auto auto; } .outer { ...
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How can I check if a URL exists via PHP?

... Here: $file = 'http://www.example.com/somefile.jpg'; $file_headers = @get_headers($file); if(!$file_headers || $file_headers[0] == 'HTTP/1.1 404 Not Found') { $exists = false; } else { $exists = true; } From here and right below the above...
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How to store decimal values in SQL Server?

... is the max number of digits you can have after the decimal point. http://www.tsqltutorials.com/datatypes.php has descriptions for all the datatypes. share | improve this answer | ...
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Rails - controller action name to string

... found out it's possible with self.current_method easily found at http://www.ruby-forum.com/topic/75258 share | improve this answer | follow | ...
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What is the difference between HTTP_HOST and SERVER_NAME in PHP?

... no problem to send a request to your site asking for a HTTP_HOST value of www.stackoverflow.com. SERVER_NAME comes from the server's VirtualHost definition and is therefore considered more reliable. It can, however, also be manipulated from outside under certain conditions related to how your web ...