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Difference between a theta join, equijoin and natural join
I'm having trouble understanding relational algebra when it comes to theta joins, equijoins and natural joins. Could someone please help me better understand it? If I use the = sign on a theta join is it exactly the same as just using a natural join?
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Different floating point result with optimization enabled - compiler bug?
The below code works on Visual Studio 2008 with and without optimization. But it only works on g++ without optimization (O0).
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How to import a Python class that is in a directory above?
I want to inherit from a class in a file that lies in a directory above the current one.
7 Answers
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Should MySQL have its timezone set to UTC?
Follow up question of
https://serverfault.com/questions/191331/should-servers-have-their-timezone-set-to-gmt-utc
4 Answers...
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? My (very limited) 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 information from that certificate, then uses that t...
Injecting $scope into an angular service function()
I have a Service:
7 Answers
7
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How can I access my localhost from my Android device?
I'm able to access my laptop web server using the Android emulator, I'm using 10.0.2.2:portno
works well.
39 Answers
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Use Visual Studio web.config transform for debugging [duplicate]
I want to use the Web.config transformation that works fine for publish also for debugging.
5 Answers
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What is the most efficient way to deep clone an object in JavaScript?
What is the most 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...