[Ionic] Native Integration
Android StudioIn the project folder, install Cordova CLI1$ sudo npm i -g cordova
Add Android platform using Cordova12$ npm i -g$ ionic cordova platfor
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[Django] Rest API 2
Model InheritanceModel inheritance in Django works almost identically to the way normal class inheritance works in Python, but the base class should s
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[Django] Rest API 1
Django Basic123456789101112131415161718# APP models.pyfrom django.db import modelsfrom django.conf import settings# Create your models here.def upload
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[Arduino] Basics
LEDAnode: + the input foot (longer)Cathode: the output foot
Typical LED forward voltages
Red: 2.0V
Yellow: 2.1V
Green: 2.2V
Blue: 3.5V
White: 3.2V
R
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[Machine Learning] Boosted Trees
Gradient Boosted Decision Trees(GBDT)
Training builds a series of small decision trees.
Each tree attempts to correct errors from the previous stage
W
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[Leetcode] Binary Tree Path Problems
Problem Introduction: https://www.youtube.com/watch?v=zIkDfgFAg60
Recursive Solution Template:
1234567891011121314<> res = 0;public <result&g
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[Information Retrieval] Text Classifier
IntroductionA standard supervised supervised learning problem.
Soft classification
Hard classification
Process
A given set of classes C
Given text
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[Ionic] Data Model and Observables
The content of this page are summarized from Mark Newman’s lecture notes.
Data ModelA data model is something that:
Does not have a UI
Represents an
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[Leetcode] Binary Tree Traversal
Solutions: https://www.youtube.com/watch?v=as1f6PJmbAE&t=50s
Level Order Traversal (Breadth First Traversal)102. Binary Tree Level Order Traversal
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[Leetcode] Binary Search Tree
Binary Search TreeKeys of BST must be unique
Binary Search Trees are excellent data structure for storing the entries of a map. A binary search tree i
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