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Accessing private member variables from prototype-defined functions

... No, there's no way to do it. That would essentially be scoping in reverse. Methods defined inside the constructor have access to private variables because all functions have access to the scope in which they were defined. Methods defined on a prototype are not defin...
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Qt: can't find -lGL error

I just reinstalled QtCreator, created new project ( Qt Application ) an got this after compilation: 8 Answers ...
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What does [:] mean?

...he type of population. If population is a list, this line will create a shallow copy of the list. For an object of type tuple or a str, it will do nothing (the line will do the same without [:]), and for a (say) NumPy array, it will create a new view to the same data. ...
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import module from string variable

... Finally, also remember that you can't import anything if there is no __init__.py in the folder with file you are trying to import. – Seanny123 Dec 6 '13 at 7:31 ...
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How to find list intersection?

... looking for a slightly different animal - and you may need to do that manually by sorting each list and merging the results - and keeping dups in the merging. – javadba Jan 6 '19 at 18:51 ...
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Hash Map in Python

...res the keys to strings which are also valid Python identifiers (and internally, this also creates a dictionary). – user395760 Jan 2 '12 at 17:31 ...
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How to send an email with Gmail as provider using Python?

...smtp.gmail.com:587') server.ehlo() server.starttls() Also you should really create From:, To: and Subject: message headers, separated from the message body by a blank line and use CRLF as EOL markers. E.g. msg = "\r\n".join([ "From: user_me@gmail.com", "To: user_you@gmail.com", "Subject:...
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What's the best way to parse command line arguments? [closed]

... will accept -q or --query as options, store the argument in an attribute called query and has a default value if you don't specify it. It is also self-documenting in that you declare the help argument (which will be used when run with -h/--help) right there with the option. Usually you parse your...
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How does the algorithm to color the song list in iTunes 11 work? [closed]

...y discovered that the built-in Mathematica function DominantColors doesn't allow enough fine-grained control to approximate the algorithm that iTunes uses. I wrote my own function instead... A simple method to calculate the dominant color in a group of pixels is to collect all pixels into buckets ...
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How to Calculate Execution Time of a Code Snippet in C++

... You can use this function I wrote. You call GetTimeMs64(), and it returns the number of milliseconds elapsed since the unix epoch using the system clock - the just like time(NULL), except in milliseconds. It works on both windows and linux; it is thread safe. Not...