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What's the difference between a file descriptor and file pointer?
I want to know the difference between a file descriptor and file pointer.
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Why is “while ( !feof (file) )” always wrong?
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What are the differences between Generics in C# and Java… and Templates in C++? [closed]
I mostly use Java and generics are relatively new. I keep reading that Java made the wrong decision or that .NET has better implementations etc. etc.
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Difference between char* and const char*?
What's the difference between
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Gcc error: gcc: error trying to exec 'cc1': execvp: No such file or directory
I have been successfully using gcc on Linux Mint 12. Now I am getting an error. I have recently been doing some .so builds and installed Clang not to long ago, but have successfully compiled since both of those events, so not sure what has changed. I used the GUI Software Manager to remove and then ...
How to recursively list all the files in a directory in C#?
How to recursively list all the files in a directory and child directories in C#?
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Replace all 0 values to NA
I have a dataframe with some numeric columns. Some row has a 0 value which should be considered as null in statistical analysis. What is the fastest way to replace all the 0 value to NULL in R?
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What is the relationship between Looper, Handler and MessageQueue in Android?
I have checked the official Android documentation/guide for Looper , Handler and MessageQueue . But I couldn't get it. I am new to android, and got very confused with these concepts.
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Remove an entire column from a data.frame in R
Does anyone know how to remove an entire column from a data.frame in R? For example if I am given this data.frame:
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How do I concatenate or merge arrays in Swift?
If there are two arrays created in swift like this:
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