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Long-lasting FB access-token for server to pull FB page info

I'm aware that there are many questions about Facebook access-tokens and the grief they cause, but despite much experimentation and reading many frustratingly vague blog articles (FB and otherwise), I'm still struggling to get a clear answer to my needs. Let me succinctly break down my process so fa...
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Is it good style to explicitly return in Ruby?

...g my own style guidelines but I'm thinking about releasing my source code, and I'd like it to adhere to any unwritten rules that might exist. ...
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Step-by-step debugging with IPython

... You can use IPython's %pdb magic. Just call %pdb in IPython and when an error occurs, you're automatically dropped to ipdb. While you don't have the stepping immediately, you're in ipdb afterwards. This makes debugging individual functions easy, as you can just load a file with %load...
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Why is there huge performance hit in 2048x2048 versus 2047x2047 array multiplication?

...L is always power of 2. The six comes from fact that 2^6 == 64 bytes is standard size of cache line. Now what does this mean? Well it means that if I have address X and address Y and (X >> 6) - (Y >> 6) is divisible by L (i.e. some large power of 2), they will be stored in the same ca...
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How can I auto-elevate my batch file, so that it requests from UAC administrator rights if required?

...only if there's an Access Denied error? Or, you could simply have the commands for the xcopy and reg.exe always be run with psexec -h, but it would be annoying for the end-user if they need to input their password each time (or insecure if you included the password in the script)... ...
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Login to Microsoft SQL Server Error: 18456

...rver Management Studio in the object explorer: Right click on the server and click Properties Go to the Security page Under Server authentication choose the SQL Server and Windows Authentication mode radio button Click OK Restart SQL Services ...
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Use of 'prototype' vs. 'this' in JavaScript?

...ould be noted: A constructor's prototype provides a way to share methods and values among instances via the instance's private [[Prototype]] property. A function's this is set by how the function is called or by the use of bind (not discussed here). Where a function is called on an object (e.g. my...
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bool operator ++ and --

... supports ++ (increment) for bool, but not -- (decrement). It this just a random decision, or there is some reason behind this? ...
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Failed to Attach to Process ID Xcode

... Resetting the content and settings in the simulator worked for me. This is available in the "iOS Simulator" menu. share | improve this answer ...
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Difference between assertEquals and assertSame in phpunit?

... Reports an error identified by $message if the two variables $expected and $actual do not have the same type and value." And as you can see in the example below the above excerpt, they are passing '2204' and 2204, which will fail using assertSame because one is a string and one is an int, basi...