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Elegant solution to duplicate, const and non-const, getters? [duplicate]

...I recall from one of the Effective C++ books that the way to do it is to implement the non-const version by casting away the const from the other function. It's not particularly pretty, but it is safe. Since the member function calling it is non-const, the object itself is non-const, and casting aw...
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How to install packages offline?

What's the best way to download a python package and it's dependencies from pypi for offline installation on another machine? Is there any easy way to do this with pip or easy_install? I'm trying to install the requests library on a FreeBSD box that is not connected to the internet. ...
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How to redirect to a 404 in Rails?

I'd like to 'fake' a 404 page in Rails. In PHP, I would just send a header with the error code as such: 11 Answers ...
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Is it possible to declare a variable in Gradle usable in Java?

Is it possible to declare a variable in Gradle usable in Java ? Basically I would like to declare some vars in the build.gradle and then getting it (obviously) at build time. Just like a pre-processor macros in C/C++... ...
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Calculate last day of month in JavaScript

If you provide 0 as the dayValue in Date.setFullYear you get the last day of the previous month: 20 Answers ...
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Is there a way to get the source code from an APK file?

The hard drive on my laptop just crashed and I lost all the source code for an app that I have been working on for the past two months. All I have is the APK file that is stored in my email from when I sent it to a friend. ...
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Test iOS app on device without apple developer program or jailbreak

How can I test an iOS application on my iPod Touch without registering for the Apple Developer Program or jailbreaking my iPod? ...
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When is .then(success, fail) considered an antipattern for promises?

I had a look at the bluebird promise FAQ , in which it mentions that .then(success, fail) is an antipattern . I don't quite understand its explanation as for the try and catch. What's wrong with this the following? ...
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In C#, should I use string.Empty or String.Empty or “” to intitialize a string?

In C#, I want to initialize a string value with an empty string. 30 Answers 30 ...
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Calling class staticmethod within the class body?

When I attempt to use a static method from within the body of the class, and define the static method using the built-in staticmethod function as a decorator, like this: ...