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Naming convention - underscore in C++ and C# variables

..., its use is always somewhat different to each person. Here's how I understand them for the two languages in question: In C++, an underscore usually indicates a private member variable. In C#, I usually see it used only when defining the underlying private member variable for a public property. Ot...
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Count character occurrences in a string in C++

...rns type iterator_traits<InputIt>::difference_type, which for most standard containers is std::ptrdiff_t, not std::size_t. – Daniel Stevens Apr 15 at 7:48 add a comment ...
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Performance difference for control structures 'for' and 'foreach' in C#

...corlib]System.IDisposable::Dispose() IL_002f: endfinally } // end handler IL_0030: ret } // end of method Test::IterateOverList The compiler treats arrays differently, converting a foreach loop basically to a for loop, but not List<T>. Here's the equivalent code for an array: sta...
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Python function overloading

...what you want in python. Why Not Overloading? First, one needs to understand the concept of overloading and why it's not applicable to python. When working with languages that can discriminate data types at compile-time, selecting among the alternatives can occur at compile-time. The act o...
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Django 1.7 - makemigrations not detecting changes

...ion does not make it obvious that you need to add the app label to the command, as the first thing it tells you to do is python manage.py makemigrations which will fail. The initial migration is done when you create your app in version 1.7, but if you came from 1.6 it wouldn't have been carried out....
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How to check if the string is empty?

... answered Mar 5 '12 at 20:10 Andrew ClarkAndrew Clark 171k2525 gold badges236236 silver badges278278 bronze badges ...
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Get a filtered list of files in a directory

...noticed that the Python docs say glob() "is done by using the os.listdir() and fnmatch.fnmatch() functions in concert, and not by actually invoking a subshell". In other words, glob() doesn't have the efficiency improvements one might expect. – Ben Hoyt Feb 11 ...
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How do you validate a URL with a regular expression in Python?

I'm building an app on Google App Engine. I'm incredibly new to Python and have been beating my head against the following problem for the past 3 days. ...
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Sphinx autodoc is not automatic enough

... help you. This script parses a directory tree looking for python modules and packages and creates ReST files appropriately to create code documentation with Sphinx. It also creates a modules index. UPDATE This script is now part of Sphinx 1.1 as apidoc. ...
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Try catch statements in C

... in C. However, is there a way to "simulate" them? Sure, there is assert and other tricks but nothing like try/catch, that also catch the raised exception. Thank you ...