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What is so bad about singletons? [closed]
The singleton pattern is a fully paid up member of the GoF 's patterns book , but it lately seems rather orphaned by the developer world. I still use quite a lot of singletons, especially for factory classes , and while you have to be a bit careful about multithreading issues (like any class ac...
Building a minimal plugin architecture in Python
...lthough you can do a lot with just __import__, os.listdir and some string manipulation.
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What is the use of “assert” in Python?
... @alpha_989 that's exactly right. I like to think of assertions as sanity checks that are only to help you as a developer to make sure that what you think is true is actually true while you develop.
– Christopher Shroba
Mar 20 '18 at 18:32
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Do c++11 lambdas capture variables they don't use?
When I use [=] to indicate that I would like all local variables to be captured by value in a lambda, will that result in all local variables in the function being copied, or just all local variables that are used by the lambda ?
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How to synchronize a static variable among threads running different instances of a class in Java?
I know that using the synchronize keyword before a method brings synchronization to that object. That is, 2 threads running the same instance of the object will be synchronized.
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C/C++ Struct vs Class
...laiming it is not cpp compatible is rather stupid
– Dani
Apr 16 '16 at 22:36
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Django filter queryset __in for *every* item in list
Let's say I have the following models
6 Answers
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How to add a border just on the top side of a UIView
My question is on the title.
33 Answers
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When and why I should use session_regenerate_id()?
Why and when should I use the session_regenerate_id() function in php?
Should I always use it after I use the session_start() ?
I've read that I have to use it to prevent session fixation, is this the only reason?
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What is the difference between a framework and a library?
...ework is used nowadays. It's just a hyped word, as I said before. Some companies release just a normal library (in any sense of a classical library) and call it a "framework" because it sounds more fancy.
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