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How to solve the ambiguity of selected state in a segmented control with just...
I’m working on a web application that has two similar data grids in a page. User should be able to switch between these two data grids within the same page. I have used segmented buttons to navigate...
View ArticleFind out if a process is legitimately allowed to use “shared memory segments”
rkhunter is checking for processes using shared memory segments and warns with output like: Warning: The following suspicious (large) shared memory segments have been found: Process: /usr/bin/python3.7...
View ArticleDynamic length of union of segments (1d Klee’s measure problem)
Finding the length of union of segments (1-dimensional Klee’s measure problem) is a well-known algorithmic problem. Given a set of $ n$ intervals on the real line, the task is to find the length of...
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Share segments to all collaborators in views from all properties
I have 20+ properties and I need to share the same set of 10+ segments to all the properties in a way any collaborator can see it in any view from any property. From the “Segment availability”: I know...
View Articlefind the number of line segments that willl intersect that will intersect...
So,we have been given N points in a plane (numbered 1 through N) and for each valid i, the i-th point is Pi=(i,Ai) and each line segment is formed by connecting the points Pi and Pi+1. Now,we are given...
View ArticleCalculating number of intersections of a horizontal line with line segments...
I’m given an array $ A = [a_1, a_2, ….a_n] $ using which I construct $ n-1$ contiguous line segments by drawing a line from $ (i,a_i)$ to $ (i+1, a_{i+1})$ . Now, I’m given $ q$ queries in the form of...
View ArticleData structure to query intersection of a line and a set of line segments
We want to pre-process a set of $ n$ line segments in $ S$ into a data structure, such that we can answer some queries: Given a query line $ l$ , report how many line segment in $ S$ dose it...
View ArticleIn determining whether any segments intersect, why there must be some sweep...
In CLRS, Section 33.1, we are given the any-segment-intersect algorithm. It’s a cool algorithm for sure but going through the correctness proof, I don’t know how to prove the following: “Given that we...
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Intersection of line segments induced by point sets from fixed geometry
I am reading up on algorithms and at the moment looking at the below problem from Jeff Erickson’s book Algorithms. I solved (a) by seeing a relationship to the previous problem on computing the number...
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approximate line segments from array of unsorted points
The polygon above is actually a collection of a lot of black points closely packed together. I want to approximate these black points as straight line segments. The black points are not sorted in any...
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