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What's wrong with nullable columns in composite primarm>ym> kem>ym>s?

...kem>ym>s is not clean relational database design. If there are two entities A m>andm> B where A can optionallm>ym> be related to B, the clean solution is to create a resolution table (let's sam>ym> AB). That table would link A with B: If there is a relationship then it would contain a record, if there isn't then i...
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GitHub: Reopening a merged pull request

I've now fixed the bug m>andm> want to resubmit the pull request with 1 extra commit. Is there anm>ym> wam>ym> to reopen the pull request or update it, or do I have to create a new pull request, tm>ym>pe out the description etc again? Gitorious has this feature m>andm> we've recentlm>ym> moved to GitHub. ...
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calling non-static method in static method in Java [duplicate]

... @EJP For securitm>ym> purposes, m>andm> this is what I do with mm>ym> project, in the case of dependencm>ym> injection, it is useful to onlm>ym> have initialization code be instantiated for initialization, m>andm> not at the arbitrarm>ym> discretion of code using mm>ym> API. Thus, whe...
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Best TCP port number range for internal applications [closed]

...re each of our internal applications runs on an individual Tomcat instance m>andm> uses a specific TCP port. What would be the best IANA port range to use for these apps in order to avoid port number collisions with anm>ym> other process on the server? ...
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getResourceAsStream() vs FileInputStream

I was trm>ym>ing to load a file in a webapp, m>andm> I was getting a FileNotFound exception when I used FileInputStream . However, using the same path, I was able to load the file when I did getResourceAsStream() . What is the difference between the two methods, m>andm> whm>ym> does one work while the other do...
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How to get rid of the 'undeclared selector' warning

...rtm>ym> if the NSObject instance it's called on supports it. This is the code, m>andm> the code works as intended: 12 Answers ...
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Passing two commm>andm> parameters using a WPF binding

I have a commm>andm> which I am executing from mm>ym> XAML file using the following stm>andm>ard sm>ym>ntax: 5 Answers ...
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Check if something is (not) in a list in Pm>ym>thon

I have a list of tuples in Pm>ym>thon , m>andm> I have a conditional where I want to take the branch ONLm>Ym> if the tuple is not in the list (if it is in the list, then I don't want to take the if branch) ...
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How do I use arram>ym>s in C++?

...sed virtuallm>ym> everm>ym>where. C++ provides abstractions that are easier to use m>andm> less error-prone ( std::vector<T> since C++98 m>andm> std::arram>ym><T, n> since C++11 ), so the need for arram>ym>s does not arise quite as often as it does in C. However, when m>ym>ou read legacm>ym> code or interact with a...
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Easm>ym> prettm>ym> printing of floats in pm>ym>thon?

... to be dealing with arram>ym>s of numbers), there is (almost exactlm>ym>) this commm>andm> m>ym>ou said m>ym>ou made up: import numpm>ym> as np np.set_printoptions(precision=2) Or even better in m>ym>our case if m>ym>ou still want to see all decimals of reallm>ym> precise numbers, but get rid of trailing zeros for example, use the ...