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What is the purpose of shuffling and sorting phase in the reducer in Map Reduce Programming?
...the process of transfering data from the mappers to the reducers, so I think it is obvious that it is necessary for the reducers, since otherwise, they wouldn't be able to have any input (or input from every mapper). Shuffling can start even before the map phase has finished, to save some time. That...
Android add placeholder text to EditText
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Ah, ok. What you're looking for is setHint(int). Simply pass in a resource id of a string from your xml and you're good to go.
EDIT
And in XML, it's simply android:hint="someText"
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What is the difference between git clone and checkout?
What is the difference between git clone and git checkout ?
5 Answers
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How do you extract a column from a multi-dimensional array?
Does anybody know how to extract a column from a multi-dimensional array in Python?
20 Answers
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How to get Spinner value?
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iota
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answered Sep 20 '11 at 14:35
dodododo
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How to unit test an object with database queries
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I would suggest mocking out your calls to the database. Mocks are basically objects that look like the object you are trying to call a method on, in the sense that they have the same properties, methods, etc. available to caller. But instead ...
Section vs Article HTML5
I have a page made up of various "sections" like videos, a newsfeed etc.. I am a bit confused how to represent these with HTML5. Currently I have them as HTML5 <section> s, but on further inspection it looks they the more correct tag would be <article> . Could anyone shed some light on...
What is the difference between JavaScript and ECMAScript?
...reas JavaScript, JScript, and even ActionScript 3 are called "dialects". Wikipedia sheds some light on this.
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Vim - how to run a command immediately when starting vim?
...run :FindFileCache . whenever I start vim to gather a file cache for quick opening.. I have to run this every time I start vim though.
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How to install APK from PC?
I want to install an APK from PC to Android device. And because of user's Android and generally technical skills, I need to do it as automatically (silently) as possible. So how do I send an APK from PC to Android and start install there?
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