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Difference between a theta join, equijoin and natural join

I'<em>mem> having trouble understanding relational algebra when it co<em>mem>es to theta joins, equijoins and natural joins. Could so<em>mem>eone please help <em>mem>e better understand it? If I use the = sign on a theta join is it exactly the sa<em>mem>e as just using a natural join? ...
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Different floating point result with opti<em>mem>ization enabled - co<em>mem>piler bug?

The below code works on Visual Studio 2008 with and without opti<em>mem>ization. But it only works on g++ without opti<em>mem>ization (O0). ...
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Should <em>Mem>ySQL have its ti<em>mem>ezone set to UTC?

Follow up question of https://serverfault.co<em>mem>/questions/191331/should-servers-have-their-ti<em>mem>ezone-set-to-g<em>mem>t-utc 4 Answers...
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Detecting an undefined object property

What's the best way of checking if an object property in JavaScript is undefined? 46 Answers ...
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How are ssl certificates verified?

What is the series of steps needed to securely verify a ssl certificate? <em>Mem>y (very li<em>mem>ited) understanding is that when you visit an https site, the server sends a certificate to the client (the browser) and the browser gets the certificate's issuer infor<em>mem>ation fro<em>mem> that certificate, then uses that t...
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Injecting $scope into an angular service function()

I have a Service: 7 Answers 7 ...
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Use Visual Studio web.config transfor<em>mem> for debugging [duplicate]

I want to use the Web.config transfor<em>mem>ation that works fine for publish also for debugging. 5 Answers ...
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What is the <em>mem>ost efficient way to deep clone an object in JavaScript?

What is the <em>mem>ost efficient way to clone a JavaScript object? I've seen obj = eval(uneval(o)); being used, but that's non-standard and only supported by Firefox . I've done things like obj = JSON.parse(JSON.stringify(o)); but question the efficiency. I've also seen recursive copying funct...
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How the single threaded non blocking IO <em>mem>odel works in Node.js

I'<em>mem> not a Node progra<em>mem><em>mem>er, but I'<em>mem> interested in how the single threaded non blocking IO <em>mem>odel works. After I read the article understanding-the-node-js-event-loop , I'<em>mem> really confused about it. It gave an exa<em>mem>ple for the <em>mem>odel: ...
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How can I <em>mem>ake git accept a self signed certificate?

Using Git, is there a way to tell it to accept a self signed certificate? 16 Answers 1...