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How to check that an element is in a std::set?

... Note that using count() instead of find() is never better but potentially worse. This is because find() will return after the first match, count() will always iterate over all elements. – Frerich Raabe Nov 9 '09 at 15:50 ...
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How to make a class property? [duplicate]

...az.bar == 50 assert foo.bar == 50 The setter didn't work at the time we call Bar.bar, because we are calling TypeOfBar.bar.__set__, which is not Bar.bar.__set__. Adding a metaclass definition solves this: class ClassPropertyMetaClass(type): def __setattr__(self, key, value): if key ...
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What is non-blocking or asynchronous I/O in Node.js?

...us, non-blocking servers - like ones made in Node - only use one thread to service all requests. This means an instance of Node makes the most out of a single thread. The creators designed it with the premise that the I/O and network operations are the bottleneck. When requests arrive at the server...
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What is the advantage of using async with MVC5?

...d use NgineX / Lighttpd / Apache for files, or you could use a third party service such as Akamai (king for CDN but most expensive) – Chris Marisic Oct 22 '16 at 21:00 ...
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How do you implement a private setter when using an interface?

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How to make rpm auto install dependencies

...hip and filesystem permissions: # chown -R root.root /home/user/repo Install the createrepo package if not installed yet, and run # createrepo /home/user/repo # chmod -R o-w+r /home/user/repo Create a repository configuration file, e.g. /etc/yum.repos.d/myrepo.repo containing [local] name=My Aw...
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Calling class staticmethod within the class body?

... def stat_func(): return 42 _ANS = stat_func.__func__() # call the staticmethod def method(self): ret = Klass.stat_func() return ret As an aside, though I suspected that a staticmethod object had some sort of attribute storing the original function, I had no ...
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What is the most efficient way to store a list in the Django models?

... This is probably what I will end up doing, but I was really hoping the underlying structure for this would have been built in. I guess I am to o lazy. – grieve Jul 10 '09 at 16:11 ...
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How many GCC optimization levels are there?

..., the default if no optimization level is specified) -O1 (optimize minimally) -O2 (optimize more) -O3 (optimize even more) -Ofast (optimize very aggressively to the point of breaking standard compliance) -Og (Optimize debugging experience. -Og enables optimizations that do not interfere...
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git rebase without changing commit timestamps

...branch", using the option --committer-date-is-author-date (introduced initially in Jan. 2009 in commit 3f01ad6 Note that the --committer-date-is-author-date option seems to leave the author timestamp, and set the committer timestamp to be the same as the original author timestamp, which is what the...