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How do you find all subclasses of a given class in Java?
How does one go about and try to find all subclasses of a given class (or all implementors of a given interface) in Java?
As of now, I have a method to do this, but I find it quite inefficient (to say the least).
The method is:
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Linux equivalent of the Mac OS X “open” command [closed]
... A big difference between this and open, however, is that this doesn't open the file/app in the background. Linux apps seem to be very chatty and often output multiple lines of diagnostics and warnings right into your terminal (even though nothing really went wrong). I usually have to do...
Check if a program exists from a Makefile
...ot -Tpdf -o pres.pdf pres.dot
It works beautifully because "command -v" doesn't print anything if the executable is not available, so the variable DOT never gets defined and you can just check it whenever you want in your code. In this example I'm throwing an error, but you could do something mor...
Why not be dependently typed?
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Yes, that paper does go most of the way to showing how to make types dependent on type-level stuff (and to eliminate the type/kind distinction). A plausible follow-up, already under discussion, is to permit actual dependent function types, b...
What is the difference between shallow copy, deepcopy and normal assignment operation?
...py, you have a new outer list, but inner lists are references.
Assignment does not copy. It simply sets the reference to the old data. So you need copy to create a new list with the same contents.
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What is the difference between MVC and MVVM? [closed]
...titute VM for C in the acronym and all would be forgiven)...
The ViewModel does not necessarily replace the need for separate Controllers.
The problem is: that to be independently testable*, and especially reusable when needed, a view-model has no idea what view is displaying it, but more importantl...
What's the idiomatic syntax for prepending to a short python list?
...bserve, that isn't prepending to a list. It's creating a new list. Thus it doesn't satisfy the question at all.
– Chris Morgan
Jun 5 '12 at 6:43
131
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How to write a large buffer into a binary file in C++, fast?
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Does prepending ios::sync_with_stdio(false); make any difference for the code with stream? I'm just curious how big difference there is between using this line and not, but I don't have the fast enough disk to check the corne...
How do browsers pause/change Javascript when tab or window is not active?
... interval is higher than 1000ms, it will run at the specified interval. It does not matter if the window is out of focus, the interval is limited only when you switch to a different tab. requestAnimationFrame is paused when the tab is inactive.
// Provides control over the minimum timer interval fo...
Having Django serve downloadable files
..._to_file includes non-ascii characters such as "ä" or "ö", the smart_str does not work as intended since apache module X-Sendfile cannot decode the smart_str encoded string. Thus for example "Örinää.mp3" file cannot be served. And if one omits the smart_str, the Django itself throws ascii encod...