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When should I use C++ private inheritance?
...nto mainstream C++ development. However, I still haven't found a good use for it.
14 Answers
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Matplotlib (pyplot) savefig outputs blank image
...st the values I pass to plt.subplot(); maybe try values 131, 132, and 133, or values that depend whether or not T0 exists.
Second, after plt.show() is called, a new figure is created. To deal with this, you can
Call plt.savefig('tessstttyyy.png', dpi=100) before you call plt.show()
Save the figur...
How can I list all commits that changed a specific file?
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The --follow works for a particular file
git log --follow -- filename
Difference to other solutions given
Note that other solutions include git log path (without the --follow). That approach is handy if you want to track e.g. changes i...
How to set default value for form field in Symfony2?
Is there an easy way to set a default value for text form field?
22 Answers
22
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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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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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