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Is there a difference between foreach and map?

...n a particular language, but is there a difference between a map operation and a foreach operation? Or are they simply different names for the same thing? ...
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Android: alternate layout xml for landscape mode

How can I have one layout for landscape and one for portrait? I want to assume extra width and conserve vertical space when the user rotates the phone over sideways. ...
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Argparse: Required argument 'y' if 'x' is present

...ts of options. The simplest way to deal with this would be: if args.prox and (args.lport is None or args.rport is None): parser.error("--prox requires --lport and --rport.") share | improve t...
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Finding local maxima/minima with Numpy in a 1D numpy array

...mum" varies vastly from use case to use case, so it's hard to provide a "standard" function for this purpose. Smoothing helps to take into account more than just the nearest neighbor. Using a different integer instead of 1, say 3, would be strange as it would only consider the third-next element i...
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node.js global variables?

... if you really want to use them. The 3 statements below are all equivalent and will assign a var to the global scope: GLOBAL._ = require('underscore'); global._ = require('underscore'); _ = require('underscore'); – metaColin Aug 5 '15 at 18:23 ...
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WPF Button with Image

... This is a pretty bad solution as the text and image won't be grayed out when you disable the button. – Num Lock May 24 '17 at 9:22 5 ...
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How to do stateless (session-less) & cookie-less authentication?

Bob uses a web application in order to achieve something. And: 2 Answers 2 ...
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What is the difference between Fragment and FragmentActivity?

... inheritance differences, what are the main differences between Fragment and FragmentActivity ? To what scenarios are each class best suited? I'm trying to get an understanding of why both of these classes exist... ...
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When would you use a WeakHashMap or a WeakReference?

...mplementation of so I'm trying to figure out what the use case for them is and how the implementation would work. When have you needed to use a WeakHashMap or WeakReference and how was it used? ...
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Why java classes do not inherit annotations from implemented interfaces?

...ice's AOP to intercept some method calls. My class implements an interface and I would like to annotate the interface methods so Guice could select the right methods. Even if the annotation type is annotated with Inherited annotation implementing class doesn't inherit the annotation as stated in I...