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Will the base class constructor be automatically called?

...e -> Most Derived. So in your particular instance, it calls Person(), and then Customer() in the constructor orders. The reason why you need to sometimes use the base constructor is when the constructors below the current type need additional parameters. For example: public class Base { p...
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Definition of a Balanced Tree

... tree for me. I have that "a tree is balanced if each sub-tree is balanced and the height of the two sub-trees differ by at most one. ...
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How did I get a value larger than 8 bits in size from an 8-bit integer?

... occurs when the value is extended to bit-width sizeof(int) . As I understand it, incrementing a char shouldn't ever be undefined behavior as long as sizeof(char) < sizeof(int) . But that doesn't explain how c is getting an impossible value. As an 8-bit integer, how can c hold values gr...
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What's the difference between “Request Payload” vs “Form Data” as seen in Chrome dev tools Network t

...ta normally send by a POST or PUT Request. It's the part after the headers and the CRLF of a HTTP Request. A request with Content-Type: application/json may look like this: POST /some-path HTTP/1.1 Content-Type: application/json { "foo" : "bar", "name" : "John" } If you submit this per AJAX the...
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What's the best free C++ profiler for Windows? [closed]

...ind the bottleneck in my C++ code. I'd like to find a free, non-intrusive, and good profiling tool. I'm a game developer, and I use PIX for Xbox 360 and found it very good, but it's not free. I know the Intel VTune , but it's not free either. ...
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Check empty string in Swift?

...print("Nothing to see here") } Apple Pre-release documentation: "Strings and Characters". share | improve this answer | follow | ...
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What do < and > stand for?

I know that the entities < and > are used for < and > , but I am curious what these names stand for. ...
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Calculate last day of month in JavaScript

...efox 2.0.0.17: Thu Jan 31 2008 00:00:00 GMT-0600 (Canada Central Standard Time) Firefox 3.0.3: Thu Jan 31 2008 00:00:00 GMT-0600 (Canada Central Standard Time) Google Chrome 0.2.149.30: Thu Jan 31 2008 00:00:00 GMT-0600 (Canada Central Standard Time) Safari for Windows 3.1.2: Thu ...
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How to sort a dataframe by multiple column(s)

...1 Hi A 8 1 3 Hi A 9 1 R> rather than using the name of the column (and with() for easier/more direct access). share | improve this answer | follow | ...
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Creating C macro with ## and __LINE__ (token concatenation with positioning macro)

...m is that when you have a macro replacement, the preprocessor will only expand the macros recursively if neither the stringizing operator # nor the token-pasting operator ## are applied to it. So, you have to use some extra layers of indirection, you can use the token-pasting operator with a recurs...