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Test if lists share any items in python
... use not set(a).isdisjoint(b), it's generally the fastest.
There are four common ways to test if two lists a and b share any items. The first option is to convert both to sets and check their intersection, as such:
bool(set(a) & set(b))
Because sets are stored using a hash table in Python, s...
Retain precision with double in Java
...he significant digits (the fractional part as a binary).
These parts are combined to produce a double representation of a value.
(Source: Wikipedia: Double precision)
For a detailed description of how floating point values are handled in Java, see the Section 4.2.3: Floating-Point Types, Formats...
Comparing two collections for equality irrespective of the order of items in them
I would like to compare two collections (in C#), but I'm not sure of the best way to implement this efficiently.
19 Answers...
Is it possible to dynamically compile and execute C# code fragments?
... and then execute those dynamically? Assuming what is provided to me would compile fine within any Main() block, is it possible to compile and/or execute this code? I would prefer to compile it for performance reasons.
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How to unit test abstract classes: extend with stubs?
... can factor out this duplication in testing. This all smells! I strongly recommend taking another look at why you are using abstract classes in the first place and see if something else would work better.
– Nigel Thorne
Jan 7 '12 at 11:32
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How can I display a list view in an Android Alert Dialog?
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How do you include additional files using VS2010 web deployment packages?
...n for API calls. They cannot be included as a reference since they are not COM dlls that can be used with interop.
7 Answe...
Why does C# not provide the C++ style 'friend' keyword? [closed]
...d would like to use it in C# too. But I bet because of C#'s "pure" OOness (compared to C++'s pseudo OOness) MS decided that because Java has no friend keyword C# shouldn't either (just kidding ;))
On a serious note: internal is not as good as friend but it does get the job done. Remember that it is...
How to organize large R programs?
When I undertake an R project of any complexity, my scripts quickly get long and confusing.
11 Answers
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How can I read and parse CSV files in C++?
... load and use CSV file data in C++. At this point it can really just be a comma-delimited parser (ie don't worry about escaping new lines and commas). The main need is a line-by-line parser that will return a vector for the next line each time the method is called.
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