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How to concatenate properties from multiple JavaScript objects

...n Javascript. The Object.assign() method is used to copy the values of all enumerable own properties from one or more source objects to a target object. It will return the target object. MDN documentation on Object.assign() var o1 = { a: 1 }; var o2 = { b: 2 }; var o3 = { c: 3 }; var...
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Should you always favor xrange() over range()?

... For performance, especially when you're iterating over a large range, xrange() is usually better. However, there are still a few cases why you might prefer range(): In python 3, range() does what xrange() used to do and xrange() does not exist. ...
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Why can't I use a list as a dict key in python?

..., with the hash as, say, their memory location? It can be done without really breaking any of the requirements, but it leads to unexpected behavior. Lists are generally treated as if their value was derived from their content's values, for instance when checking (in-)equality. Many would - underst...
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What is the command to list the available avdnames

... List all your emulators: emulator -list-avds Run one of the listed emulators: emulator @name-of-your-emulator where emulator is under: ${ANDROID_SDK}/tools/emulator – Dhiraj Himani Jun 16 ...
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Select the values of one property on all objects of an array in PowerShell

...e: $results = $objects.Name Which should fill $results with an array of all the 'Name' property values of the elements in $objects. share | improve this answer | follow ...
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How do you programmatically set an attribute?

... Damn shame it doesn't work in all cases, as that would be really useful, for example, for adding the dirty attribute to user input... – brice Feb 28 '12 at 18:32 ...
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foreach vs someList.ForEach(){}

... The most common one is described in the comments to this question. Generally, if you are looking to remove multiple items from a list, you would want to separate the determination of which items to remove from the actual removal. It doesn't keep your code compact, but it guarantees that you do n...
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Get model's fields in Django

Given a Django model, I'm trying to list all of its fields. I've seen some examples of doing this using the _meta model attribute, but doesn't the underscore in front of meta indicate that the _meta attribute is a private attribute and shouldn't be accessed directly? ... Because, for example, the ...
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Import module from subfolder

...For example like this PYTHONPATH=.:.. (for *nix family). Also you can manually add your current directory (src in your case) to pythonpath: import os import sys sys.path.insert(0, os.getcwd()) share | ...
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How to use underscore.js as a template engine?

...y know good tutorials about how to use underscore.js for templating, especially for biginners who have less experience with advanced javascript. Thanks ...