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Counting inversions in an array
I'm designing an algorithm to do the following: Given array A[1... n] , for every i < j , find all inversion pairs such that A[i] > A[j] . I'm using merge sort and copying array A to array B and then comparing the two arrays, but I'm having a difficult time seeing how I can use this to find...
Git: how to reverse-merge a commit?
With SVN it is easy to reverse-merge a commit, but how to do that with Git?
5 Answers
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Cocoapods staying on “analyzing dependencies”
I'm using cocoapods to manage my dependencies. All have been working fine. Now, When I'm creating a new project, added the following to my podfile,
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How to use count and group by at the same select statement
I have an sql select query that has a group by.
I want to count all the records after the group by statement.
Is there a way for this directly from sql?
For example, having a table with users I want to select the different towns and the total number of users
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Setting a timeout for socket operations
When I create a socket:
5 Answers
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Node JS Error: ENOENT
I'm following along with:
The Node Beginner Book
6 Answers
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CSS hack大全 - 创意 - 清泛网 - 专注C/C++及内核技术
CSS hack大全part1 —— 浏览器测试仪器，测试您现在使用的浏览器类型IE6IE7IE8FirefoxOperaSafari(Chrome)IE6IE7IE8FirefoxOperaSafari(Chrome)您现...part1 —— 浏览器测试仪器，测试您现在使用的浏览器类型
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Why are margin/padding percentages in CSS always calculated against width?
If you look at the CSS box model spec , you'll observe the following:
5 Answers
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Dealing with float precision in Javascript [duplicate]
I have a large amount of numeric values y in javascript. I want to group them by rounding them down to the nearest multiple of x and convert the result to a string.
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Flatten an Array of Arrays in Swift
Is there a counterpart in Swift to flatten in Scala, Xtend, Groovy, Ruby and co?
14 Answers
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