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Pimpl idiom vs Pure virtual class interface
I was wondering what would make a programmer to choose either Pimpl idiom or pure virtual class and inheritance.
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What are the main purposes of using std::forward and which problems it solves?
In perfect forwarding, std::forward is used to convert the named rvalue references t1 and t2 to unnamed rvalue references. What is the purpose of doing that? How would that affect the called function inner if we leave t1 & t2 as lvalues?
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Handler vs AsyncTask vs Thread [closed]
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As the Tutorial on Android background processing with Handlers, AsyncTask and Loaders on the Vogella site puts it:
The Handler class can be used to register to a thread and provides a simple channel to send data to this thread.
The ...
PHP Session Fixation / Hijacking
I'm trying to understand more about PHP Session Fixation and hijacking and how to prevent these problems. I've been reading the following two articles on Chris Shiflett's website:
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How to change MySQL data directory?
Is it possible to change my default MySQL data directory to another path? Will I be able to access the databases from the old location?
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Utils to read resource text file to String (Java) [closed]
Is there any utility that helps to read a text file in the resource into a String. I suppose this is a popular requirement, but I couldn't find any utility after Googling.
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“ImportError: No module named” when trying to run Python script
I'm trying to run a script that launches, amongst other things, a python script. I get a ImportError: No module named ..., however, if I launch ipython and import the same module in the same way through the interpreter, the module is accepted.
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Empty arrays seem to equal true and false at the same time
Empty arrays are true but they're also equal to false.
9 Answers
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Implicit type conversion rules in C++ operators
I want to be better about knowing when I should cast. What are the implicit type conversion rules in C++ when adding, multiplying, etc. For example,
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Benefits of prototypal inheritance over classical?
So I finally stopped dragging my feet all these years and decided to learn JavaScript "properly". One of the most head-scratching elements of the languages design is it's implementation of inheritance. Having experience in Ruby, I was really happy to see closures and dynamic typing; but for the li...