How to Get Free HTTPS Certificates via acme.sh?

  • 时间：2020-10-09 18:35:39
  • 分类：网络文摘
  • 阅读：127 次
Let’s Encrypt provides HTTPS Certificates if you are already using CloudFlare which also manages/issues the free SSL certificates for you. However, with Let’s Encrypt, it is not so simple/trivial to get a free HTTPS ceriticate a... ...

Algorithm to Check if A String Matches a Pattern

  • 时间：2020-10-09 18:35:39
  • 分类：网络文摘
  • 阅读：133 次
Given a pattern and a string str, find if str follows the same pattern. Here follow means a full match, such that there is a bijection between a letter in pattern and a non-empty word in str. Example 1: Input: pattern = “abba”,... ...

3 Ways to Protect Your Website from Negative SEO

  • 时间：2020-10-07 14:38:56
  • 分类：网络文摘
  • 阅读：138 次
3 Ways to Protect Your Website from Negative SEO Search Engine Optimization (SEO) techniques are set to make your website appear on top of search engine results pages (SERP). These are the healthy ways your website can use to climb the SERP... ...

Design a Moving Average Class for Data Stream

  • 时间：2020-10-07 14:38:56
  • 分类：网络文摘
  • 阅读：130 次
Given a stream of integers and a window size, calculate the moving average of all integers in the sliding window. Example: 1 2 3 4 5 MovingAverage m = new MovingAverage(3); m.next(1) = 1 m.next(10) = (1 + 10&#... ...

What are Big4 Tech Companies looking for in the technical interv

  • 时间：2020-10-07 14:38:56
  • 分类：网络文摘
  • 阅读：142 次
Big4 refers to Google, Amazon, Facebook and Microsoft. They are the top internet/software companies that most Software Engineers dream for. The technical interviews consist of Big4 are quite similar: mostly a phone screening and if successf... ...

ReactiveX/RxJava Tutorial: Compute the Fibonacci Numbers using R

  • 时间：2020-10-07 14:38:56
  • 分类：网络文摘
  • 阅读：148 次
RxJava (https://github.com/ReactiveX/RxJava) is the Reactive Extension for Java Virtual Machine (JVM). It allows you to develop asynchronous code in the reactive manner. If you come from imperative or OOP, it might take you a while to get u... ...

Greedy Algorithm to Find the Lexicographically Smallest Sequence

  • 时间：2020-10-07 14:38:56
  • 分类：网络文摘
  • 阅读：132 次
Given a sequence of n integers arr, determine the lexicographically smallest sequence which may be obtained from it after performing at most k element swaps, each involving a pair of consecutive elements in the sequence. Note: A list x is ... ...

Personal Cloud Options to Backup Data and Photos

  • 时间：2020-10-07 14:38:56
  • 分类：网络文摘
  • 阅读：163 次
With the advancement of technology, the harddisk capacity is getting bigger and bigger, so is our data. We have important data, and photos, vidoes, which should be regularly backup. Backup to the Cloud is one of the best hassle-free options... ...

How to Modify the Git Commit Messages After Your Push Your Branc

  • 时间：2020-10-07 14:38:56
  • 分类：网络文摘
  • 阅读：131 次
Git is a popular and widely used version control system. If you stage your local changes and commit it to local branch, you can change the commit message by: 1 git commit --amend "new message" git commit --amend "new message" If... ...

Algorithm to Compute the Revenue Milestones

  • 时间：2020-10-07 14:38:56
  • 分类：网络文摘
  • 阅读：126 次
Revenue Milestones X keeps track of the revenue X makes every day, and X wants to know on what days X hits certain revenue milestones. Given an array of the revenue on each day, and an array of milestones X wants to reach, return an array ... ...