Lingjun Meng's Blog

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Algorithm and Data Structure - Array 01 Two Pointers

Algorithm and Data Structure - Array 01 Two Pointers

Fast and slow pointer Remove Duplicates from Sorted Array 26. Remove Duplicates from Sorted Array 删除排序数组中的重复项 Solution: We can use fast and slow pointer technique. Slow pointer matains a subarray...

Posted by Leonard Meng on June 1, 2020

Algorithm and Data Structure 01 - Linked List 02

Algorithm and Data Structure 01 - Linked List 02

Using loop to traverse through linked list 206. Reverse Linked List 反转链表 Solution: Use loop to traverse through the linked list and make the successor node pointing to its fater node. 1 2 3 4 ...

Posted by Leonard Meng on May 22, 2020

Algorithm and Data Structure 01 - Linked List 01

Algorithm and Data Structure 01 - Linked List 01

What is Linked List? A linked list is the most sought-after data structure when it comes to handling dynamic data elements. A linked list consists of a data element known as a node. And each no...

Posted by Leonard Meng on May 14, 2020

Introduction to Spring

Dive into Spring 01 Introduction to Spring

Table of Contents What is Spring Framework? Why Spring? IoC(Inversion of Control) What is Spring Framework? According to official website spring.io The Spring Framework provides a com...

Posted by Leonard Meng on March 1, 2019

HashMap Source Code

Dive into JDK 03 HashMap Source Code

Introduction Similar to bubble sort. The selection sort algorithm sorts an array by repeatedly finding the minimum element (considering ascending order) from unsorted part and putting it at the be...

Posted by Leonard Meng on January 26, 2019

String Source Code

Dive into JDK 01 String Source Code

Declaration of String 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 public final class String implements java.io.Serializable, Comparable<String>, CharSequence { /** * The va...

Posted by Leonard Meng on January 5, 2019

Multilayer Perceptrons

MLP

1 Linear Model and Nonlinear Model 1.1 Linear Model Statisticians say that this type of regression equation is linear in the parameters. However, it is possible to model curvature with this type o...

Posted by Leonard Meng on March 10, 2018

Decision Tree

Decision Tree

Chapter 0 DataSet Outlook Temperature Humidity Windy Play sunny hot high FALSE no sunny h...

Posted by Leonard Meng on March 8, 2018

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