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Heap vs Binary Search Tree (BST)
...logarithmic. All inserts are much slower than the average heap insert.
BST vs hashmap detailed analysis at: What data structure is inside std::map in C++?
GCC C++ standard library insert benchmark on gem5
gem5 is a full system simulator, and therefore provides an infinitely accurate clock with wi...
delete_all vs destroy_all?
...-> delete_all
According to this post : Rails :dependent => :destroy VS :dependent => :delete_all
destroy / destroy_all: The associated objects are destroyed alongside this object by calling their destroy method
delete / delete_all: All associated objects are destroyed immediately without...
Java array reflection: isArray vs. instanceof
Is there a preference or behavior difference between using:
8 Answers
8
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Rails :include vs. :joins
...ready for use.
Great example:
http://railscasts.com/episodes/181-include-vs-joins
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How to override equals method in Java
...
System.out.println("-- " + people.get(i).getName() + " - VS - " + people.get(y).getName());
System.out.println(check);
}
}
}
}
//written by K@stackoverflow
public class Person {
private String name;
private int age;
public Perso...
Visual Studio 2010 always thinks project is out of date, but nothing has changed
...
For Visual Studio/Express 2010 only. See other (easier) answers for VS2012, VS2013, etc
To find the missing file(s), use info from the article Enable C++ project system logging to enable debug logging in Visual Studio and let it just tell you what's causing the rebuild:
Open the devenv.exe...
Undo VS 'Exclude from project'?
...post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f1352554%2fundo-vs-exclude-from-project%23new-answer', 'question_page');
}
);
Post as a guest
Nam...
nodejs vs node on ubuntu 12.04
...suggest using Node Version Manger. It also solves the naming problem (node vs nodejs)
It's quite simple:
Install a nodejs version:
$ nvm install 4.4
Now you have nodejs 4.4 in addition to the version that was already installed and you can just use the node command to reach the newly installed v...
Python List vs. Array - when to use?
...at arrays are stored more efficiently (i.e. as contiguous blocks of memory vs. pointers to Python objects), but I am not aware of any performance benefit. Additionally, with arrays you must store primitives of the same type, whereas lists can store anything.
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HTML.ActionLink vs Url.Action in ASP.NET Razor
Is there any difference between HTML.ActionLink vs Url.Action or they are just two ways of doing the same thing?
6 Answ...