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Can You Get A Users Local LAN IP Address Via JavaScript?

I know the initial reaction to this question is "no" and "it can't be done" and "you shouldn't need it, you are doing something wrong". What I'm trying to do is get the users LAN IP address, and display it on the web page. Why? Because that's what the page I'm working on is all about, showing as muc...
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Introducing FOREIGN KEY constraint may cause cycles or multiple cascade paths - why?

I've been wrestling with this for a while and can't quite figure out what's happening. I have a Card entity which contains Sides (usually 2) - and both Cards and Sides have a Stage. I'm using EF Codefirst migrations and the migrations are failing with this error: ...
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Generating random whole numbers in JavaScript in a specific range?

How can I generate random whole numbers between two specified variables in JavaScript, e.g. x = 4 and y = 8 would output any of 4, 5, 6, 7, 8 ? ...
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Is it acceptable and safe to run pip install under sudo?

... I don't understand why this is the best answer. The question is NOT about virtual environments. It's about validity of using sudo pip install. Let's say I need to install some package that I'll use in many projects or at system level. Such ...
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Group vs role (Any real difference?)

Can anyone tell me, what's the real difference between group and role? I've been trying to figure this out for some time now and the more information I read, the more I get the sense that this is brought up just to confuse people and there is no real difference. Both can do the other's job. I've alw...
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Difference between @OneToMany and @ElementCollection?

What is the difference between using a @OneToMany and @ElementCollection annotation since both work on the one-to-many relationship? ...
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Does MSTest have an equivalent to NUnit's TestCase?

... feature! To use it, just install the NuGet packages MSTest.TestFramework and MSTest.TestAdapter (both pre-release as of now). Older answer: If don't have to stick with MSTest and you're just using it for being able to run the tests via Test Explorer because you only have a Visual Studio Express ...
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How to use sed to replace only the first occurrence in a file?

...r if you prefer' solution. It would also be good to explain the answers - and to make the answer address the question directly, and then generalize, rather than generalize only. But good answer. – Jonathan Leffler Sep 29 '08 at 13:15 ...
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Convert a String representation of a Dictionary to a dictionary?

... literal structures: strings, numbers, tuples, lists, dicts, booleans, and None. For example: >>> eval("shutil.rmtree('mongo')") Traceback (most recent call last): File "<stdin>", line 1, in <module> File "<string>", line 1, in <module> File "/opt/Python...
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How to choose the right bean scope?

... represents the scope (the lifetime) of the bean. This is easier to understand if you are familiar with "under the covers" working of a basic servlet web application: How do servlets work? Instantiation, sessions, shared variables and multithreading. @Request/View/Flow/Session/ApplicationScoped A @...