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What are all the common ways to read a file in Ruby?
What are all the common ways to read a file in Ruby?
10 Answers
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How to find foreign key dependencies in SQL Server?
How can I find all of the foreign key dependencies on a particular column?
13 Answers
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Why does Double.NaN==Double.NaN return false?
...enormalized value or a signed zero, and an operation that has no mathematically definite result produces NaN. All numeric operations with NaN as an operand produce NaN as a result. As has already been described, NaN is unordered, so a numeric comparison operation involving one or two NaNs returns fa...
How to compare two colors for similarity/difference
...d with what percentage. The thing is that I don't know how to do that manually step by step. So it is even more difficult to think of a program.
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Is modern C++ becoming more prevalent? [closed]
When I first learned C++ 6-7 years ago, what I learned was basically "C with Classes". std::vector was definitely an advanced topic, something you could learn about if you really wanted to. And there was certainly no one telling me that destructors could be harnessed to help manage memory.
Toda...
Why is Multiple Inheritance not allowed in Java or C#?
I know that multiple inheritance is not allowed in Java and C#. Many books just say, multiple inheritance is not allowed. But it can be implemented by using interfaces. Nothing is discussed about why it is not allowed. Can anybody tell me precisely why it is not allowed?
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Why do Python's math.ceil() and math.floor() operations return floats instead of integers?
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The range of floating point numbers usually exceeds the range of integers. By returning a floating point value, the functions can return a sensible value for input values that lie outside the representable range of integers.
Consider: If floor() returned an integ...
How to make an enum conform to a protocol in Swift?
Swift documentation says that classes , structs , and enums can all conform to protocols, and I can get to a point where they all conform. But I can't get the enum to behave quite like the class and struct examples:
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How do I programmatically change file permissions?
In Java, I'm dynamically creating a set of files and I'd like to change the file permissions on these files on a linux/unix file system. I'd like to be able to execute the Java equivalent of chmod . Is that possible Java 5? If so, how?
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C++ IDE for Linux? [closed]
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Initially: confusion
When originally writing this answer, I had recently made the switch from Visual Studio (with years of experience) to Linux and the first thing I did was try to find a reasonable IDE. At the time this was impo...