12 Nov 18

Problem A 2d grid map of m rows and n columns is initially filled with water. We may perform an addLand operation which turns the water at position (row, col) into a land. Given a list of positions to operate, count the number of islands after each addLand operation. An island is surrounded by water and is formed by connecting adjacent lands horizontally or […]

18 Sep 18

Problem Given a 2d grid map of ‘1’s (land) and ‘0’s (water), count the number of islands. An island is surrounded by water and is formed by connecting adjacent lands horizontally or vertically. You may assume all four edges of the grid are all surrounded by water. Example 1: Input: 11110 11010 11000 00000 Output: 1 Example 2: […]

20 Aug 18
Lumber Jack News

Hello. My girlfriend and I are buying an old home, and there are some maintenance questions I have. This is my first home, so any help would be greatly appreciated. First, the floors on the first floor are sagging. There is no basement and the crawl space is only a foot high. How do I […]

30 May 18
Plumbing Expert Alberta

Do you have slow or clogged drains? The Plumber and 72 Degrees offers a wide range of solutions to fix your drainage problems. While on-site, our experienced technicians can give you options to not only fix your current problem but most importantly, stop the problem from happening again. We also respect your property by using […]

26 May 18
Chandra Lockey - Blog

Stop tree roots sewer line problems this way. The red vertical lines are small 1.5-inch PVC pipes. Fill them with copper sulfate crystals and hot water and no more tree roots sewer line problems! Copyright 2018 Tim Carter Tree Roots Sewer Line Tips Poison soil surrounding the sewer line with copper sulfate Install 1.5-inch PVC […]

20 Apr 18
Student of the Source

I want to write about my experience with Fedora bug report 1553979. In this post, I introduce the coredump. I plan to show how useful this was in a future post. 2018-03-10. Xwayland server crashes unexpectedly. The link posted in the bug report goes to a backtrace, which was captured by ABRT and submitted […]