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What is __future__ in Python used for and how/when to use it, and how it works

__future__ frequently appears in Python modules. I do not understand what __future__ is for and how/when to use it even after reading the Python's __future__ doc . ...
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How to return a value from __init__ in Python?

I have a class with an __init__ function. 10 Answers 10 ...
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What does the Reflect object do in JavaScript?

...ble: ES6 spec, Reflection MDN Reflect (including details and examples to all of its methods) Original answer (for (historic) understanding and extra examples): The Reflection proposal seems to have progressed to the Draft ECMAScript 6 Specification. This document currently outlines the Reflect...
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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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How do I send an HTML email?

... @FizerKhan - really? docs.oracle.com/javaee/6/api/javax/mail/internet/… – Nick Grealy Mar 31 '15 at 3:49 ...
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Visual Studio debugging/loading very slow

I'm at wits end. Visual Studio is typically painfully slow to debug or just plain load ("start without debugging") my ASP.NET MVC sites. Not always: at first, the projects will load nice and fast, but once they load slow, they'll always load slow after that. I could be waiting 1-2 minutes or more....
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How to enable Heap updates on my android client

Under DDMS , there is a HEAP tab, and then I click my android application under 'Devices'. But it said: 2 Answers ...
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How to tell Eclipse Workspace?

...d it shows the name of current workspace. I tried to confirm "Actually, this shows the last workspace that was closed, not the current workspace. If you are opening and closing several, this is not dependable." and I am not able to reproduce it. Each time I get the currently loaded worksp...
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START_STICKY and START_NOT_STICKY

...TICKY tells the OS to recreate the service after it has enough memory and call onStartCommand() again with a null intent. START_NOT_STICKY tells the OS to not bother recreating the service again. There is also a third code START_REDELIVER_INTENT that tells the OS to recreate the service and redeliv...
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Simple Digit Recognition OCR in OpenCV-Python

...stand some of the features at end) 2) Since I knew, without understanding all those features, it is difficult to do that method. I tried some other papers, but all were a little difficult for a beginner. So I just decided to take all the pixel values as my features. (I was not worried about accura...