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How do I copy an entire directory of files into an existing directory using Python?
Run the following code from a directory that contains a directory named bar (containing one or more files) and a directory named baz (also containing one or more files). Make sure there is not a directory named foo .
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Java: How to test methods that call System.exit()?
I've got a few methods that should call System.exit() on certain inputs. Unfortunately, testing these cases causes JUnit to terminate! Putting the method calls in a new Thread doesn't seem to help, since System.exit() terminates the JVM, not just the current thread. Are there any common patterns...
Add a space (“ ”) after an element using :after
I want to add a blank space after some content, however the content: " "; doesn't seem to work.
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TypeError: 'dict_keys' object does not support indexing
...t more like just the keys half of a dict. Specifically, they support O(1) membership testing (and other set-like methods that can be implemented efficiently on top of that fact). These things aren't possible with a list and if you want a list of the dict's keys, you've always been able to simply d...
Left align and right align within div in Bootstrap
What are some of the common ways to left align some text and right align some other text within a div container in bootstrap?
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Align elements side by side
...his is a rather simple question, but I can't figure it out for the life of me. I have two links which I've applied a background image to. Here's what it currently looks like (apologies for the shadow, just a rough sketch of a button):
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What is the difference between Reader and InputStream?
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An InputStream is the raw method of getting information from a resource. It grabs the data byte by byte without performing any kind of translation. If you are reading image data, or any binary file, this is the stream to use.
A Reader is designed f...
How to make an immutable object in Python?
Although I have never needed this, it just struck me that making an immutable object in Python could be slightly tricky. You can't just override __setattr__ , because then you can't even set attributes in the __init__ . Subclassing a tuple is a trick that works:
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How do I add a path to PYTHONPATH in virtualenv
I am trying to add a path to the PYTHONPATH environment variable, that would be only visible from a particular virtualenv environment.
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A std::map that keep track of the order of insertion?
...epresents insertion order
hashed_unique< tag<string_tag>, member<value_t, string, &value_t::s> >
>
> values_t;
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