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Why use static_cast(x) instead of (int)x?
...valid conversion in the language, or an appropriate constructor that makes it possible. The only time it's a bit risky is when you cast down to an inherited class; you must make sure that the object is actually the descendant that you claim it is, by means external to the language (like a flag in th...
Make outer div be automatically the same height as its floating content
I want the outer div , which is black to wrap its div s floating within it. I dont want to use style='height: 200px in the div with the outerdiv id as I want it to be automatically the height of its content (eg, the floating div s).
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Resizing an image in an HTML5 canvas
...e using javascript and a canvas element, but when I shrink the image down, it looks terrible. It looks as if it was downsized in photoshop with the resampling set to 'Nearest Neighbor' instead of Bicubic. I know its possible to get this to look right, because this site can do it just fine using ...
git rebase: “error: cannot stat 'file': Permission denied”
I'm using git, and made a small commit followed by a large one. I decided to use git rebase to squash the two commits together before pushing them. (I've never done this before.)
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What are good message queue options for nodejs? [closed]
Looking to use a message queue in a small web app I'm building with node.js. I looked at resque but not sure that's appropriate. The goal is to push notifications to clients based on backend and other client actions with socketio. I could do this with just socketio but I thought maybe a proper messa...
What is the equivalent of the C++ Pair in Java?
... do you know what "first" and "second" mean ?).
A better practice is to write a very simple class, like the one Mike proposed, for each application you would have made of the Pair class. Map.Entry is an example of a pair that carry its meaning in its name.
To sum up, in my opinion it is better to ...
Share Large, Read-Only Numpy Array Between Multiprocessing Processes
... locks, since the array (actually a matrix) will be read-only. Now, due to its size, I'd like to avoid a copy. It sounds like the correct method is to create the only copy of the array as a sharedmem array, and then pass it to the Process objects? A couple of specific questions:
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bundler vs RVM vs gems vs RubyGems vs gemsets vs system ruby [closed]
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As per the previous answer, this is quite a lot to cover, so consider this a short introduction.
gems are the way Ruby libraries are packaged. They are to Ruby what jars are to Java. Inside a gem file, you find Ruby code (.rb files), but also tests, and a specia...
Should I return EXIT_SUCCESS or 0 from main()?
It's a simple question, but I keep seeing conflicting answers: should the main routine of a C++ program return 0 or EXIT_SUCCESS ?
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What happens when there's insufficient memory to throw an OutOfMemoryError?
I am aware that every object requires heap memory and every primitive/reference on the stack requires stack memory.
11 Answ...