How Many Blocks and Total Rewards for a Steem Witness in the Pas

  • 时间：2020-10-11 15:25:20
  • 分类：网络文摘
  • 阅读：136 次
The blockchain is a public database, this shouldn’t be hard to find out. In this post we know how to call the Steem API to find out the witness that procduce each block and the reward (in VESTS) he/she collects for generating the bloc... ...

How to Find Root of N-Ary Tree using the Hash Set?

  • 时间：2020-10-11 15:25:20
  • 分类：网络文摘
  • 阅读：109 次
Given all the nodes of an N-ary tree as an array Node[] tree where each node has a unique value. Find and return the root of the N-ary tree. Nary-Tree input serialization is represented in their level order traversal, each group of childre... ...

Algorithm to Count the Number of Substrings With Only 1s

  • 时间：2020-10-11 15:25:20
  • 分类：网络文摘
  • 阅读：131 次
Given a binary string s (a string consisting only of ‘0’ and ‘1’s). Return the number of substrings with all characters 1’s. Since the answer may be too large, return it modulo 10^9 + 7. Example 1: Input: s = ... ...

Multithreading Testing using Pythons’ Low Level _threading

  • 时间：2020-10-11 15:25:20
  • 分类：网络文摘
  • 阅读：120 次
In Python, we can use _threading to launch a thread easily using the _thread.start_new_thread procedure. For example, 1 2 3 4 5 6 7 import _thread   def thread_proc(threadId, value):   print(threadId, value) &nb... ...

Algorithms to Compute the Math Power(a, n) in logarithm Complexi

  • 时间：2020-10-11 15:17:18
  • 分类：网络文摘
  • 阅读：133 次
Implement pow(x, n), which calculates x raised to the power n (xn). Example 1: Input: 2.00000, 10 Output: 1024.00000 Example 2: Input: 2.10000, 3 Output: 9.26100 Example 3: Input: 2.00000, -2 Output: 0.25000 Explanation: 2-2 = 1/22 = 1/4 =... ...

Using CloudFlare Worker Serverless Technology to Deploy a Load B

  • 时间：2020-10-11 15:17:18
  • 分类：网络文摘
  • 阅读：140 次
A few days ago, I launched the “Load Balancing” Node: https://steem.justyy.workers.dev It is a Javascript code that runs on the CloudFlare edges (more than 200 network centers). The network is the computing. When requests are re... ...

Simulation Algorithm to Compute the Number of Water Bottles

  • 时间：2020-10-11 15:17:18
  • 分类：网络文摘
  • 阅读：105 次
Given numBottles full water bottles, you can exchange numExchange empty water bottles for one full water bottle. The operation of drinking a full water bottle turns it into an empty bottle. Return the maximum number of water bottles you ca... ...

Remove the Temporary Files (including Windows.old) on Windows 10

  • 时间：2020-10-11 15:17:18
  • 分类：网络文摘
  • 阅读：130 次
Recently I found out on my C:\ there is a folder `windows.old` probably this is due to the fact that I refreshed my Windows 10 using a Recovery software from Microsoft. Can I safely delete Windows.old Folder? Yes, The `windows.old` contains... ...

Depth First Search Algorithm to Compute the Diameter of N-Ary Tr

  • 时间：2020-10-11 15:17:18
  • 分类：网络文摘
  • 阅读：107 次
Given a root of an N-ary tree, you need to compute the length of the diameter of the tree. The diameter of an N-ary tree is the length of the longest path between any two nodes in the tree. This path may or may not pass through the root. (... ...

Depth First Search Algorithm to Find the Strobogrammatic Number

  • 时间：2020-10-11 15:17:18
  • 分类：网络文摘
  • 阅读：122 次
A strobogrammatic number is a number that looks the same when rotated 180 degrees (looked at upside down). Find all strobogrammatic numbers that are of length = n. Example: Input: n = 2 Output: [“11″,”69″,”88&... ...