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Why does this CSS margin-top style not work?

I try to add margin values on a div inside another div. All works fine except the top value, it seems to be ignored. But why? ...
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void in C# generics?

I have a generic method that takes a request and provides a response. 7 Answers 7 ...
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Why is std::map implemented as a red-black tree?

Why is std::map implemented as a red-black tree ? 6 Answers 6 ...
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How does an underscore in front of a variable in a cocoa objective-c class work?

...attributes have used an underscore _ in front of the variable. Does anyone know what this means? Or how it works? 9 Answers...
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Override browser form-filling and input highlighting with HTML/CSS

...form auto-filling, but the sign up form auto fills as well, and I don't like it. 22 Answers ...
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How to fetch FetchType.LAZY associations with JPA and Hibernate in a Spring Controller

... You will have to make an explicit call on the lazy collection in order to initialize it (common practice is to call .size() for this purpose). In Hibernate there is a dedicated method for this (Hibernate.initialize()), but JPA has no equivalent...
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How do I get the localhost name in PowerShell?

... You can just use the .NET Framework method: [System.Net.Dns]::GetHostName() also $env:COMPUTERNAME share | improve this answer | f...
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Fitting empirical distribution to theoretical ones with Scipy (Python)?

...=True) x = (x + np.roll(x, -1))[:-1] / 2.0 # Distributions to check DISTRIBUTIONS = [ st.alpha,st.anglit,st.arcsine,st.beta,st.betaprime,st.bradford,st.burr,st.cauchy,st.chi,st.chi2,st.cosine, st.dgamma,st.dweibull,st.erlang,st.expon,st.exponnorm,st.exponweib,st....
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What is the proper way to test if a parameter is empty in a batch file?

... Use square brackets instead of quotation marks: IF [%1] == [] GOTO MyLabel Parentheses are insecure: only use square brackets. share | ...
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How to get JavaScript caller function line number? How to get JavaScript caller source URL?

... This works for me in chrome/QtWebView function getErrorObject(){ try { throw Error('') } catch(err) { return err; } } var err = getErrorObject(); var caller_line = err.stack.split("\n")[4]; var index = caller_line.indexOf("at "...