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How to show popup message like in Stack Overflow

...he example. Here's how Stackoverflow does it: This is the markup, initially hidden so we can fade it in: <div id='message' style="display: none;"> <span>Hey, This is my Message.</span> <a href="#" class="close-notify">X</a> </div> Here are the style...
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How to deserialize a list using GSON or another JSON library in Java?

...nymous subclass of TypeToken<List<Video>>... it's a trick that allows the resulting type to represent List<Video>, since subclasses of fully specified generic types retain the generic type information. – ColinD Dec 10 '10 at 7:30 ...
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nginx missing sites-available directory

I installed Nginx on Centos 6 and I am trying to set up virtual hosts. The problem I am having is that I can't seem to find the /etc/nginx/sites-available directory. ...
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Consequences of using graft in Mercurial

...state F with the normal delta +f. There's nothing strange here — we have all the states (D, E, and F) in the repository already. So seen like this, it's clear that we can merge D and F. Merging is a matter of "completing the diamond". So we find a new state M that is a mix of D and F and where th...
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CSS Selector for

Is there any way with CSS to target all inputs based on their type? I have a disabled class I use on various disabled form elements, and I'm setting the background color for text boxes, but I don't want my checkboxes to get that color. ...
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How do I run git log to see changes only for a specific branch?

...e/master branch. After running git-pull and git-log , the log will show all commits in the remote tracking branch as well as the current branch. However, because there were so many changes made to the remote branch, I need to see just the commits made to the current local branch. ...
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Learning Regular Expressions [closed]

I don't really understand regular expressions. Can you explain them to me in an easy-to-follow manner? If there are any online tools or books, could you also link to them? ...
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Abstract Class vs Interface in C++ [duplicate]

...rt interfaces (the "mature approach") instead of C++ classes (this is basically what COM does, but without the burden of COM infrastructure). I'd use an interface if I want to define a set of rules using which a component can be programmed, without specifying a concrete particular behavior. Classes...
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Change a column type from Date to DateTime during ROR migration

... This answer is only partially correct, you can not use change_column inside change even on rails 4 or down migration will not work. You should use up/down no matter the version of rails. – Alan Peabody Jul 18 '1...
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How do I tell Matplotlib to create a second (new) plot, then later plot on the old one?

I want to plot data, then create a new figure and plot data2, and finally come back to the original plot and plot data3, kinda like this: ...