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What is the purpose of the “final” keyword in C++11 for functions?
What is the purpose of the final keyword in C++11 for functions? I understand it prevents function overriding by derived classes, but if this is the case, then isn't it enough to declare as non-virtual your final functions? Is there another thing I'm missing here?
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delete map[key] in go?
...sions = map[string] chan int{};
delete(sessions, "moo");
}
seems to work. This seems a poor use of resources though!
Another way is to check for existence and use the value itself:
package main
func main () {
var sessions = map[string] chan int{};
sessions["moo"] = make (chan int);
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Shallow copy of a Map in Java
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It's always better to copy using a copy constructor. clone() in Java is broken (see SO: How to properly override clone method?).
Josh Bloch on Design - Copy Constructor versus Cloning
If you've read the item about cloning in my book, especially if you read between the ...
How to do a non-greedy match in grep?
I want to grep the shortest match and the pattern should be something like:
7 Answers
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How to put the legend out of the plot
... change the axes, as the size of the figure gets reduced. Kindly help me for the following queries:
17 Answers
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Add a new line in file?
...nswered Aug 19 '10 at 3:10
maletormaletor
6,44277 gold badges3838 silver badges6060 bronze badges
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Installing SetupTools on 64-bit Windows
I'm running Python 2.7 on Windows 7 64-bit, and when I run the installer for setuptools it tells me that Python 2.7 is not installed. The specific error message is:
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What does && mean in void *p = &&abc;
...d -pedantic by default. Then people would learn C instead of irrelevant information about gnus.
– Lundin
May 24 '11 at 6:40
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Why Collections.sort uses merge sort instead of quicksort?
We know that quick sort is the fastest sorting algorithm.
1 Answer
1
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How to write a JSON file in C#?
I need to write the following data into a text file using JSON format in C#. The brackets are important for it to be valid JSON format.
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