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support FragmentPagerAdapter holds reference to old fragments
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Use of Application.DoEvents()
Can Application.DoEvents() be used in C#?
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How do I check if a string is a number (float)?
What is the best possible way to check if a string can be represented as a number in Python?
33 Answers
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Why use #ifndef CLASS_H and #define CLASS_H in .h file but not in .cpp?
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Is there a Java reflection utility to do a deep comparison of two objects?
I'm trying to write unit tests for a variety of clone() operations inside a large project and I'm wondering if there is an existing class somewhere that is capable of taking two objects of the same type, doing a deep comparison, and saying if they're identical or not?
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Is the pImpl idiom really used in practice?
I am reading the book "Exceptional C++" by Herb Sutter, and in that book I have learned about the pImpl idiom. Basically, the idea is to create a structure for the private objects of a class and dynamically allocate them to decrease the compilation time (and also hide the private implementatio...
Why fragments, and when to use fragments instead of activities?
In Android API 11+, Google has released a new class called Fragment .
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Why exactly is eval evil?
I know that Lisp and Scheme programmers usually say that eval should be avoided unless strictly necessary. I’ve seen the same recommendation for several programming languages, but I’ve not yet seen a list of clear arguments against the use of eval . Where can I find an account of the potentia...
Does Python have “private” variables in classes?
I'm coming from the Java world and reading Bruce Eckels' Python 3 Patterns, Recipes and Idioms .
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Should I prefer pointers or references in member data?
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