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smart pointers (boost) explained

... the same time. This applies to a raw pointer too, however raw pointers lack an important feature: They do not define whether they are owning or not. A share of ownership smart pointer will delete the object if every owner gives up the object. This behavior happens to be needed often, so shared owni...
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How can I safely create a nested directory?

What is the most elegant way to check if the directory a file is going to be written to exists, and if not, create the directory using Python? Here is what I tried: ...
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Why does += behave unexpectedly on lists?

...he plain __add__ and return a new object. That is why for mutable types like lists += changes the object's value, whereas for immutable types like tuples, strings and integers a new object is returned instead (a += b becomes equivalent to a = a + b). For types that support both __iadd__ and __add_...
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Git checkout: updating paths is incompatible with switching branches

... I believe this occurs when you are trying to checkout a remote branch that your local git repo is not aware of yet. Try: git remote show origin If the remote branch you want to checkout is under "New remote branches" and not "Tracked remote branches" then you need to fe...
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How do you know a variable type in java?

... MartinMartin 31.6k1313 gold badges6767 silver badges7878 bronze badges ...
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Can I restore deleted files (undo a `git clean -fdx`)?

I was following the instructions on making github pages , and forgot to move down into my git sub directory. As a result, I just nuked an entire directory of documents with git clean -fdx . Is there any way I can undo this terrible mistake? ...
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Bind a function to Twitter Bootstrap Modal Close

... Ricardo LimaRicardo Lima 11.6k11 gold badge1010 silver badges22 bronze badges ...
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What's the difference between an argument and a parameter?

When verbally talking about methods, I'm never sure whether to use the word argument or parameter or something else. Either way the other people know what I mean, but what's correct, and what's the history of the terms? ...
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Play a Sound with Python [duplicate]

...ng the least dependencies. pygame is certainly an option, but it seems overkill for just sound. 10 Answers ...
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How do I disable the 'Debug / Close Application' dialog on Windows Vista?

... To force Windows Error Reporting (WER) to take a crash dump and close the app, instead of prompting you to debug the program, you can set these registry entries: Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Windows Error Reporti...