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Explain Morris inorder tree traversal without using stacks or recursion

... break pre = pre.right #And now for some tests. Try "pip3 install binarytree" to get the needed package which will visually display random binary trees import binarytree as b for _ in range(10): print() print("Example #",_) tree=b.tree() print(tree) ...
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How to read keyboard-input?

... mixing different Pythons here (Python 2.x vs. Python 3.x)... This is basically correct: nb = input('Choose a number: ') The problem is that it is only supported in Python 3. As @sharpner answered, for older versions of Python (2.x), you have to use the function raw_input: nb = raw_input('Choose...
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Why are preprocessor macros evil and what are the alternatives?

I have always asked this but I have never received a really good answer; I think that almost any programmer before even writing the first "Hello World" had encountered a phrase like "macro should never be used", "macro are evil" and so on, my question is: why? With the new C++11 is there a real alte...
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What is a proper naming convention for MySQL FKs?

...constraints. If a name is not given, InnoDB creates a unique name automatically. In any case, this is the convention that I use: fk_[referencing table name]_[referenced table name]_[referencing field name] Example: CREATE TABLE users( user_id int, name varchar(100) ); CREATE T...
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Remove duplicates from an array of objects in JavaScript

...) dot notation. Yours is ES5 syntax. The others are mostly ES6 (ECMA2015). All are valid in 2017. See jaredwilli's comment. – agm1984 Nov 15 '17 at 9:20 ...
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Kotlin secondary constructor

...tructors in Kotlin since these constructors are necessary sometimes, especially when working with Java frameworks and extending Java classes. Hope you'll get them back soon. – Michael Jul 17 '14 at 7:46 ...
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Making a Simple Ajax call to controller in asp.net mvc

...er than a static string: $.ajax({ url: '@Url.Action("FirstAjax", "AjaxTest")', contentType: "application/json; charset=utf-8", dataType: "json", success: successFunc, error: errorFunc }); From your update: $.ajax({ type: "POST", url: '@Url.Action("FirstAjax", "AjaxTes...
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See changes to a specific file using git

...s, but, as far as I understood, it is directory based. This means it gives all the changes of all files on the current directory. ...
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What's the difference between deque and list STL containers?

What is the difference between the two? I mean the methods are all the same. So, for a user, they work identically. 8 Answ...
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How do I sort strings alphabetically while accounting for value when a string is numeric?

...umber /// </summary> /// <param name="value">String to test</param> /// <returns>True if numeric</returns> public static bool IsNumeric(string value) { return int.TryParse(value, out _); } /// <inheritdoc /> public int Comp...