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python max function using 'key' and lambda expression

...xample 2: Applying max to a list of tuples. >>> lis = [(1,'a'), (3,'c'), (4,'e'), (-1,'z')] By default max will compare the items by the first index. If the first index is the same then it'll compare the second index. As in my example, all items have a unique first index, so you'd get th...
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How to show a dialog to confirm that the user wishes to exit an Android Activity?

... 391 In Android 2.0+ this would look like: @Override public void onBackPressed() { new AlertDi...
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Why is document.body null in my javascript?

... | edited May 23 '17 at 11:54 Community♦ 111 silver badge answered Mar 28 '12 at 22:44 ...
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Creating .pem file for APNS?

... 366 Here is what I did, From:blog.boxedice.com and "iPhone Advanced Projects" chapter 10 byJoe Pez...
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Position of least significant bit that is set

...ly and lookup»: unsigned int v; // find the number of trailing zeros in 32-bit v int r; // result goes here static const int MultiplyDeBruijnBitPosition[32] = { 0, 1, 28, 2, 29, 14, 24, 3, 30, 22, 20, 15, 25, 17, 4, 8, 31, 27, 13, 23, 21, 19, 16, 7, 26, 12, 18, 6, 11, 5, 10, 9 };...
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How to launch Safari and open URL from iOS app

... 387 Here's what I did: I created an IBAction in the header .h files as follows: - (IBAction)ope...
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Setting Authorization Header of HttpClient

... | edited Dec 10 '18 at 13:51 Ryan Lundy 181k3232 gold badges170170 silver badges203203 bronze badges a...
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How to create a shared library with cmake?

...cify the minimum required version of cmake cmake_minimum_required(VERSION 3.9) You should declare a project. cmake says it is mandatory and it will define convenient variables PROJECT_NAME, PROJECT_VERSION and PROJECT_DESCRIPTION (this latter variable necessitate cmake 3.9): project(mylib VERSIO...
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How do I update an NPM module that I published?

...0 aalaap 3,45255 gold badges4141 silver badges5151 bronze badges answered Feb 24 '13 at 20:39 SLaksSLaks ...
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How can I use map and receive an index as well in Scala?

...ipWithIndex.foreach{ case (e, i) => println(i+" "+e) } 0 Mary 1 had 2 a 3 little 4 lamb From: http://www.artima.com/forums/flat.jsp?forum=283&thread=243570 You also have variations like: for((e,i) <- List("Mary", "had", "a", "little", "lamb").zipWithIndex) println(i+" "+e) or: List...