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How to call a parent class function from derived class function?

...disambiguate it by adding the base class's name followed by two colons base_class::foo(...). You should note that unlike Java and C#, C++ does not have a keyword for "the base class" (super or base) since C++ supports multiple inheritance which may lead to ambiguity. class left { public: void f...
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Python matplotlib multiple bars

...n='center') ax.bar(x+0.2, k, width=0.2, color='r', align='center') ax.xaxis_date() plt.show() I don't know what's the "y values are also overlapping" means, does the following code solve your problem? ax = plt.subplot(111) w = 0.3 ax.bar(x-w, y, width=w, color='b', align='center') ax.bar(x, z,...
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Importing a Swift protocol in Objective-C class

.... You can learn more about mixing and matching Objective-C and Swift here: https://developer.apple.com/library/content/documentation/Swift/Conceptual/BuildingCocoaApps/MixandMatch.html share | impro...
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How can I copy the content of a branch to a new local branch?

...eUploader: { brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
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How to replace a character with a newline in Emacs?

...eUploader: { brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
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How to parse JSON in Scala using standard Scala classes?

... { "languages": [{ "name": "English", "is_active": true, "completeness": 2.5 }, { "name": "Latin", "is_active": false, "completeness": 0.9 }] } """.stripMargin val result = for { Some(M(m...
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Select first row in each GROUP BY group?

... Google's BigQuery also supports the first query's ROW_NUMBER() command. Worked like a charm for us – Praxiteles Jan 14 '18 at 5:53 2 ...
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General guidelines to avoid memory leaks in C++ [closed]

...in the first place. Don't write Object* x = new Object; or even shared_ptr<Object> x(new Object); when you can just write Object x; share | improve this answer | ...
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How do I find the install time and date of Windows?

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Unable to locate tools.jar

... Add JAVA_HOME and the /bin directory to your path. You realize that this answer is two years old, right? – duffymo Jul 23 '13 at 12:52 ...