IoT Security: Real Problems and Solutions
By 2025, there will be more than 75 billion devices connected to the web. While many of these will be smartphones, tablets, and computers, the vast majority of these …
Set Up Website Health Checks (Canaries) using CloudFlare
In Software Testing, the Canaries is a piece of code that continuous sends requests to check the health of the service. It is like back in Coral mining, the …
Deep Clone N-ary Tree using Hash Map + Recursive Depth First Search Algorithm
Given a root of an N-ary tree, return a deep copy (clone) of the tree. Each node in the n-ary tree contains a val (int) and a list (List) …
SQLite Explan: Why the Most Popular Accounts Query is Slow compared to Most Blocked Accounts Query?
Similarly to Most Blocks Accounts on Steem Blockchain I was going to have a page that lists the most popular accounts (most followed). However, after analysis, I decide to …
Steem Reputation Format Function in PHP
On Steem Blockchain, the reputation can be formatted in a logarithmetic (base 10) scale. Given recently, my PR to fix the reputation formatter in SteemJS is merged, I also …
Dynamic Programming Algorithm to Compute the Max Dot Product of Two Subsequences
Given two arrays nums1 and nums2. Return the maximum dot product between non-empty subsequences of nums1 and nums2 with the same length. A subsequence of a array is a …