Software Engineer Interview Tips – Using Hashtable to Reduce Runtime Complexity
I am recently reviewing the data structure & algorithms. And the hash table is one of the key knowledge that you can’t miss before you attend a coding interview. …
Efficient Hamming Distance Algorithms Between Two Integers in C++
The Hamming distance between two integers is the number of positions at which the corresponding bits are different. For example, given two integers x=1 and y=4, the hamming distance …
C++ Coding Exercise – Use HashTable/Priority Queue to Compute the Relative Ranks
Given scores of N athletes, find their relative ranks and the people with the top three highest scores, who will be awarded medals: “Gold Medal”, “Silver Medal” and “Bronze …
How to Convert/Transfer Steem or Steem Dollars (SBD) to Bitcoins?
Steem and Steem Dollars (SBD) can be easily transferred/converted to your bitcoins with officially-recommended @blocktrades This is the most easiest way to exchange your Steem/SBD to Bitcoins (or other …
A Glimpse on Microsoft Research Cambridge
I recently attended a seminar in Microsoft Research (Cambridge, UK) and was impressed by its office. The Microsoft Research Cambridge Office Building is next to Cambridge Station (21 Station …
How to Securely Wipe Your Disk and What Happens After You Zero Your Disk using dd on Linux?
I decide to terminate one of my VPS server (QuickHostUK) and don’t want any data be leaked even they are not so critical important. You may first backup all …