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How can I get device ID for Admob

I'm using Eclipse to develop applications for android, and I want to integrate Admob to make money. The tutorial says I should watch the LogCat to find ID, but where is it? ...
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Calling a Method From a String With the Method's Name in Ruby

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How to add an extra column to a NumPy array

Let’s say I have a NumPy array, a : 16 Answers 16 ...
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What is tail recursion?

Whilst starting to learn lisp, I've come across the term tail-recursive . What does it mean exactly? 28 Answers ...
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AngularJS : When to use service instead of factory

However I still can't figure out when you'd use service over factory. 9 Answers 9 ...
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Create a string of variable length, filled with a repeated character

So, my question has been asked by someone else in it's Java form here: Java - Create a new String instance with specified length and filled with specific character. Best solution? ...
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Why should eval be avoided in Bash, and what should I use instead?

Time and time again, I see Bash answers on Stack Overflow using eval and the answers get bashed, pun intended, for the use of such an "evil" construct. Why is eval so evil? ...
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Controlling the screenshot in the iOS 7 multitasking switcher

I've been trying to find some information regarding the new multitasking switcher in iOS 7 and especially the screenshot that the OS takes when the app is going into hibernation. ...
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How do you make an array of structs in C?

I'm trying to make an array of structs where each struct represents a celestial body. 7 Answers ...
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How can I use inverse or negative wildcards when pattern matching in a unix/linux shell?

Say I want to copy the contents of a directory excluding files and folders whose names contain the word 'Music'. 11 Answers...