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What is the difference between public, private, and protected?

...e accessed outside of the class. However, with reflection you can do the extra-ordinary by even accessing protected and private members outside of the class! Well, what is reflection? Reflection adds the ability to reverse-engineer classes, interfaces, functions, methods and extensions. Add...
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What's the difference between django OneToOneField and ForeignKey?

...Guide to Django: OneToOneField A one-to-one relationship. Conceptually, this is similar to a ForeignKey with unique=True, but the "reverse" side of the relation will directly return a single object. In contrast to the OneToOneField "reverse" relation, a ForeignKey "reverse" relation retur...
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What is a clean, pythonic way to have multiple constructors in Python?

... Actually None is much better for "magic" values: class Cheese(): def __init__(self, num_holes = None): if num_holes is None: ... Now if you want complete freedom of adding more parameters: class Cheese...
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How to use CURL via a proxy?

... data will be returned to $curl_scraped_page variable. I removed a second extra curl_exec($ch); which would stop the variable being returned. I consolidated your proxy IP and port into one setting. I also removed CURLOPT_HTTPPROXYTUNNEL and CURLOPT_CUSTOMREQUEST as it was the default. If you don'...
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Count how many files in directory PHP

...n you include other directories within that directories and so on to count all files and exclude directories from the count? – The Bumpaster Jul 2 '16 at 13:40 1 ...
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Secure Web Services: REST over HTTPS vs SOAP + WS-Security. Which is better? [closed]

... An extra point - Transmission security requires authentication of transmission initiator. For example, no good having SSH if everyone knows the password. Multi-layer security is vital in distributed applications. Think Identity,...
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Fastest way to get the first object from a queryset in django?

...eturn None if there aren't any. There are lots of ways to do this which all work. But I'm wondering which is the most performant. ...
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std::function and std::bind: what are they, and when should they be used?

...nd to get g: auto g = bind(f, _1, 4, _2); This is more concise than actually writing a functor class to do it. There are further examples in the article you link to. You generally use it when you need to pass a functor to some algorithm. You have a function or functor that almost does the job yo...
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How do you run your own code alongside Tkinter's event loop?

...tion for the after method: def after(self, ms, func=None, *args): """Call function once after given time. MS specifies the time in milliseconds. FUNC gives the function which shall be called. Additional parameters are given as parameters to the function call. Return identifier...
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Is there a TRY CATCH command in Bash

... writing a shell script and need to check that a terminal app has been installed. I want to use a TRY/CATCH command to do this unless there is a neater way. ...