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How to convert a char array back to a string?
I have a char array:
15 Answers
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Rails: Missing host to link to! Please provide :host parameter or set default_url_options[:host]
I have been googling for about 90 minutes now and still don't have an answer to this. Where do I set default_url_options ? I've already set it for config.action_mailer.default_url_options to solve this same bug elsewhere, but now I'm getting this error when trying to use a URL helper inside an ...
Unit tests vs Functional tests
What is the difference between unit tests and functional tests? Can a unit test also test a function?
14 Answers
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How can I make setuptools install a package that's not on PyPI?
I've just started working with setuptools and virtualenv. My package requires the latest python-gearman that is only available from GitHub. The python-gearman version that's on PyPI is an old one. The Github source is setuptools-compatible, i.e. has setup.py, etc. Is there a way to make setuptools d...
When do I use a dot, arrow, or double colon to refer to members of a class in C++?
Coming from other C-derived languages (like Java or C#) to C++, it is at first very confusing that C++ has three ways to refer to members of a class: a::b , a.b , and a->b . When do I use which one of these operators?
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How to tell if a string is not defined in a Bash shell script
If I want to check for the null string I would do
12 Answers
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How do I switch between the header and implementation file in Xcode 4?
How do I switch between the header and implementation file in Xcode 4?
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How to use Python's pip to download and keep the zipped files for a package?
If I want to use the pip command to download a package (and its dependencies), but keep all of the zipped files that get downloaded (say, django-socialregistration.tar.gz) - is there a way to do that?
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No connection string named 'MyEntities' could be found in the application config file
I am using entity framework and ASP.NET MVC 4 to build an application
28 Answers
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How do you calculate log base 2 in Java for integers?
I use the following function to calculate log base 2 for integers:
10 Answers
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