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What is the 'override' keyword in C++ used for? [duplicate]

... removed (not alternated). This is useful if the subclass is expecting a callback but it will never happen due to the library change, etc. – Hei Mar 11 '18 at 5:32 ...
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What's the difference between an argument and a parameter?

... are the data you pass into the method's parameters. public void MyMethod(string myParam) { } ... string myArg1 = "this is my argument"; myClass.MyMethod(myArg1); share | improve this answer ...
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Extract a dplyr tbl column as a vector

... How would I do this if I want to pass not the colname itself but a string variable that contains it? – mzuba Aug 7 '17 at 22:16 ...
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Integrating Dropzone.js into existing HTML form with other fields

...in your form with a classname dropzone, and implement dropzone programmatically. HTML : <div id="dZUpload" class="dropzone"> <div class="dz-default dz-message"></div> </div> JQuery: $(document).ready(function () { Dropzone.autoDiscover = false; $("#dZUpl...
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JavaScript OOP in NodeJS: how?

...onstructor.apply( this, arguments ); } //Pointless override to show super calls //note that for performance (e.g. inlining the below is impossible) //you should do //method.$getAge = _super.getAge; //and then use this.$getAge() instead of super() method.getAge = function() { return _super.getAge...
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Ruby - test for array

...'abc'.size both work, but 'abc'.count doesn't work like that). Caution: a string is_a? Enumerable, so perhaps this isn't what you want... depends on your concept of an array like object. share | im...
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In mongoDb, how do you remove an array element by its index?

...much standard documents with keys that are consecutive integers instead of strings). – marr75 Nov 30 '12 at 5:00 This ...
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Hadoop “Unable to load native-hadoop library for your platform” warning

...e native Hadoop library $HADOOP_HOME/lib/native/libhadoop.so.1.0.0 was actually compiled on 32 bit. Anyway, it's just a warning, and won't impact Hadoop's functionalities. Here is the way if you do want to eliminate this warning, download the source code of Hadoop and recompile libhadoop.so.1.0....
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Update Eclipse with Android development tools v. 23

...ny problems of previous ADT version 23. Step-by-step: Menu Help → Install New Software... For "Work with", select the Android source https://dl-ssl.google.com/android/eclipse Tick ADT v23.0 for installation, then click "Next" Eclipse will show "Install Remediation Page" since there is conflict...
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.gitignore all the .DS_Store files in every folder and subfolder

...k the problem you're having is that in some earlier commit, you've accidentally added .DS_Store files to the repository. Of course, once a file is tracked in your repository, it will continue to be tracked even if it matches an entry in an applicable .gitignore file. You have to manually remove th...