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What's wrong with nullable columns in composite primary keys?

... I confirm the same for Oracle (11.2) – Alexander Malakhov Aug 24 '11 at 7:14 2 ...
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What is the correct way to create a single-instance WPF application?

...o start, just release your mutex quicker.. for example as soon as the user confirm close – Eric Ouellet Dec 5 '13 at 21:33 ...
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Is async HttpClient from .Net 4.5 a bad choice for intensive load applications?

...bers. The HttpClient was designed to be re-used across requests. This was confirmed by guys on the BCL team who wrote it. A recent project I had was to help a very large and well-known online computer retailer scale out for Black Friday/holiday traffic for some new systems. We ran into some perfo...
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Better way to shuffle two numpy arrays in unison

...ehavior is perhaps unlikely to change, and a very simple doctest does make confirming correct behavior very easy... – Josh Bleecher Snyder Jan 5 '11 at 17:49 ...
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Where can I set environment variables that crontab will use?

...ou want these env vars to be universally available: my experiments seem to confirm that export statements for env vars in /etc/environment are available to crontab and also for users. THE PROBLEM: again from my experiments: it appears that these env vars are NOT EXPANDED within crontab itself! ... i...
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Drawing a connecting line between two elements [closed]

...ilding applications and integrations for popular libraries, and is commercially licensed. share | improve this answer | follow | ...
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unable to install pg gem

... Confirmation, from the pg gem Wiki homepage: "On Ubuntu, /usr/bin/pg_config is provided by the libpq-dev package." – Mark Berry Oct 5 '11 at 0:28 ...
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Best way to detect when a user leaves a web page?

...sers ignore the result of the event (that is, they do not ask the user for confirmation). Firefox has a hidden preference in about:config to do the same. In essence this means the user always confirms that the document may be unloaded. – MJB Jan 19 '15 at 17:29...
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Failed to load resource: net::ERR_INSECURE_RESPONSE

... Confirmed, a restart of Chrome (and killing all the background Chrome processes) fixed it for me. – Oran Dennison Aug 28 '15 at 0:17 ...
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fastest MD5 Implementation in JavaScript

...) + p(d)).toLowerCase() }; <!DOCTYPE html> <html> <body onload="md5.value=MD5(a.value);"> <form oninput="md5.value=MD5(a.value)">Enter String: <input type="string" id="a" name="a" value="https://www.zibri.org"></br></br>MD5:<output id="md5" name="...