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Is there a difference between foreach and map?

Ok this is more of a computer science question, than a question based on 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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Compare two Byte Arrays? (Java)

...erything you did here (except handles the two values being the same object more efficiently, and handles null arrays being passed in gracefully). When given the choice to use a standard library implementation which will be supported by the community or writing a custom implementation of it which I'l...
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Difference between float and double in php?

...s a double. The real size is still platform-dependent. See the manual for more details: http://www.php.net/manual/en/language.types.float.php share | improve this answer | f...
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Android Studio Project Structure (v.s. Eclipse Project Structure)

...omparison workspaces and projects to be precise Update 2: 2014/04/17 Added more detail to AS project structure Update 1: 2013/07/29 Added IntelliJ Project Structure The IntelliJ's Project structure (shown at the end) is for IntelliJ with the android plugin. The Android Studio, however, has a proj...
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What is __future__ in Python used for and how/when to use it, and how it works

... @zoogleflatt If you are more of a tab guy, you don't know PEP 8. It is strongly recommended to not use tabs... – glglgl Mar 3 '15 at 19:29 ...
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How to convert CharSequence to String?

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Array initializing in Scala

... Can also do more dynamic inits with fill, e.g. Array.fill(10){scala.util.Random.nextInt(5)} ==> Array[Int] = Array(0, 1, 0, 0, 3, 2, 4, 1, 4, 3) share ...
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Add new item count to icon on button - Android

...h a border. An XML drawable will scale to fit the view as it resizes with more or less text. res/drawable/badge_circle.xml: <shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="oval"> <solid android:color="#F00" /> <stroke android:width="2d...
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Whether a variable is undefined [duplicate]

... if (var === undefined) or more precisely if (typeof var === 'undefined') Note the === is used share | improve this answer | ...
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Hash and salt passwords in C#

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