Intro to Bloom Filter
Implementation12345678910111213141516171819202122232425262728293031import ioimport hashlibHASH_ALGORITHMS_NAMES = ['sha1', 'sha224', 'sha384', 'sha256
...
Tree & Graph Structure and Algorithms
Binary Search TreePreorder Traversal12345678910111213def preorderTraversal(self, root): res = [] if root == None: return res stack = [
...
Backtracking & Dynamic Programming & Greedy
GreedyBacktrackingpermutationRecursive Implementation12345678910111213141516171819202122232425262728def permute(nums): """ :type nums: List[int]
...
Popular NLP Algorithms
For Chunking, Named Entity Extraction, POS Tagging:- CRF++, HMMCRF
Feature Functions in a CRFIn a CRF, each feature function is a function that takes
...
Linear Structures - Overview
List/Array
Max/Min subarray
prefix sum array: pre calculate the sum
track the current sum and max sum (min product and max product) + greedy
two point
...
Bit Manipulation Tricks
Summary操作符 功能 用法~ 位求反 ~var<< 左移(乘法) var << position
右移(除法) var >> position
& 位与
...
Intro to Ether programming
合约方法
12345678910111213progma solidity ^0.4.0;contract SimpleStorage{ uint storedData; function set(uint x){ storedData = x; } fu
...
Quick tour in Redis
OverviewRedis is what is called a key-value store, often referred to as a NoSQL database. The essence of a key-value store is the ability to store som
...
When We Talk about Network Protocols
What is TCP/IP & UDP?IP, TCP, and UDP are all network communications protocols.
A protocol is nothing more than a system of procedures or regulati
...
Scala Notes - Functional Programming Principles in Scala
This is my personal notes for Functional Programming Principles in Scala at Coursera, which is considered one of the most popular introduction course
...