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c++11 Return value optimization or move? [duplicate]

...e object to be copied is designated by an lvalue, overload resolution to select the constructor for the copy is first performed as if the object were designated by an rvalue. If overload resolution fails, or if the type of the first parameter of the selected constructor is not an rvalue referenc...
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How to delete an item in a list if it exists?

... new_tag from a form text field with self.response.get("new_tag") and selected_tags from checkbox fields with 7 Answ...
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How to move columns in a MySQL table?

...min provides a GUI for this within the structure view of a table. Check to select the column you want to move and click the change action at the bottom of the column list. You can then change all of the column properties and you'll find the 'move column' function at the far right of the screen. Of ...
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Maven: Command to update repository after adding dependency to POM

...: Right click on the project ->Run As -- >Run configurations. Then select mavenBuild. Then click new button to create a configuration of the selected type .Click on Browse workspace then select your project and in goals specify eclipse:eclipse You can refer to how to run the command mvn e...
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What is the use of Enumerable.Zip extension method in Linq?

...rator merges the corresponding elements of two sequences using a specified selector function. var letters= new string[] { "A", "B", "C", "D", "E" }; var numbers= new int[] { 1, 2, 3 }; var q = letters.Zip(numbers, (l, n) => l + n.ToString()); foreach (var s in q) Console.WriteLine(s); Oupu...
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TypeScript sorting an array

...han <. Other Types If you are comparing anything else, you'll need to convert the comparison into a number. var stringArray: string[] = ['AB', 'Z', 'A', 'AC']; var sortedArray: string[] = stringArray.sort((n1,n2) => { if (n1 > n2) { return 1; } if (n1 < n2) { ...
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How to view method information in Android Studio?

.... You can pin the window and make the documentation appear every time you select a method with your mouse though. Android Studio 1.0: You have to hold CTRL if you want to get hold of documentation window for e.g. scrolling documentation otherwise as you move your mouse away from method document...
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How do I set default terminal to terminator? [closed]

...n a terminal, try sudo update-alternatives --config x-terminal-emulator Select the desired terminal from the list of alternatives. share | improve this answer | follow ...
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Cloning an Object in Node.js

... @ShadowWizard these are different methods. This one simply converts to json and back to object, while linked answer uses Object.keys() to iterate through object – mente Oct 16 '13 at 11:21 ...
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Append a NumPy array to a NumPy array

... Actually one can always create an ordinary list of numpy arrays and convert it later. In [1]: import numpy as np In [2]: a = np.array([[1,2],[3,4]]) In [3]: b = np.array([[1,2],[3,4]]) In [4]: l = [a] In [5]: l.append(b) In [6]: l = np.array(l) In [7]: l.shape Out[7]: (2, 2, 2) In [8]...