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What exactly are unmanaged resources?

...g Dispose on that object, or (in C#) using the using statement which will handle calling Dispose for you. If you neglect to Dispose of your unmanaged resources correctly, the garbage collector will eventually handle it for you when the object containing that resource is garbage collected (this is "...
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How can I do a line break (line continuation) in Python?

...g line of code that I want to break up among multiple lines. What do I use and what is the syntax? 10 Answers ...
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Checking if a double (or float) is NaN in C++

... According to the IEEE standard, NaN values have the odd property that comparisons involving them are always false. That is, for a float f, f != f will be true only if f is NaN. Note that, as some comments below have pointed out, not all compilers ...
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Function overloading by return type?

...Contrary to what others are saying, overloading by return type is possible and is done by some modern languages. The usual objection is that in code like int func(); string func(); int main() { func(); } you can't tell which func() is being called. This can be resolved in a few ways: Have a p...
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Getting output of system() calls in Ruby

If I call a command using Kernel#system in Ruby, how do I get its output? 15 Answers ...
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Saving and loading objects and using pickle

I´m trying to save and load objects using pickle module. First I declare my objects: 7 Answers ...
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How to UPSERT (MERGE, INSERT … ON DUPLICATE UPDATE) in PostgreSQL?

...o do an upsert, which is what MySQL calls INSERT ... ON DUPLICATE UPDATE and the standard supports as part of the MERGE operation. ...
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Freezing Row 1 and Column A at the same time

I want to "freeze" Row 1 and Column A simultaneously in Excel 2010. 1 Answer 1 ...
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What is the difference between pylab and pyplot? [duplicate]

What is the difference between matplotlib.pyplot and matplotlib.pylab? 1 Answer 1 ...
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Difference between InvariantCulture and Ordinal string comparison

...trings in c# for equality, what is the difference between InvariantCulture and Ordinal comparison? 9 Answers ...