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Can a class member function template be virtual?

...ember functions are resolved statically. That is, the member function is selected statically (at compile-time) based on the type of the pointer (or reference) to the object. In contrast, virtual member functions are resolved dynamically (at run-time). That is, the member function is selec...
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R and version control for the solo data analyst

...sion control systems can do absolutely amazing things with compression and selective saving so this is pretty much a moot point. 3 What is a good strategy for getting started with version control for data analysis with R (e.g., examples, workflow ideas, software, links to guides)? Keep files t...
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How can I generate a diff for a single file between two branches in github

...GITHUB WEB Page for previous checkin. Go to that file in the github, then select HISTORY. This will open page with list of checkin comments link like below. On clicking on it will show the code changes. After clicking the history; you can click on packages to see package level all files checkins...
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Using StringWriter for XML Serialization

...n="1.0" encoding="utf-16"?> <string>Test ሴ????</string>'; SELECT @Xml; -- <string>Test ሴ????</string> As you can see, it even handles characters beyond standard ASCII, given that ሴ is BMP Code Point U+1234, and ???? is Supplementary Character Code Point U+1F638. Ho...
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What are the disadvantages of using persistent connection in PDO

... I hope I had read this answer before running SELECT orders.* FROM orders LEFT JOIN items USING(item_id) – Ast Derek Jul 26 '10 at 18:09 31 ...
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How can Xml Documentation for Web Api include documentation from beyond the main project?

...c. Add the following method below the constructor: private XPathNavigator SelectSingleNode(string selectExpression) { foreach (var navigator in _documentNavigators) { var propertyNode = navigator.SelectSingleNode(selectExpression); if (propertyNode != null) retur...
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How does database indexing work? [closed]

...arising from the file systems size limits, careful thought must be used to select the correct fields to index. Since indices are only used to speed up the searching for a matching field within the records, it stands to reason that indexing fields used only for output would be simply a waste of disk...
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mongodb group values by multiple fields

...urse the ability to interpolate the variable through $expr using $match to select the matching items in the "join", but the general premise is a "pipeline within a pipeline" where the inner content can be filtered by matches from the parent. Since they are both "pipelines" themselves we can $limit e...
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Call method in directive controller from other controller

...ad of calling success(msg) in the html you would call sucess(name, msg) to select the directive with the correct name. – lanoxx Dec 8 '14 at 14:42 5 ...
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What is an IndexOutOfRangeException / ArgumentOutOfRangeException and how do I fix it?

...var command = connection.CreateCommand()) { command.CommandText = "SELECT MyColumn1, MyColumn2 FROM MyTable"; using (var reader = command.ExecuteReader()) { while (reader.Read()) { ProcessData(reader.GetString(2)); // Throws! } } }...