Lambda

[reinforcement learning] example 1 of implementing q-learning in python

Author: hhh5460 Address: https://www.cnblogs.com/hhh5460/...
22:14 29 June 2020

Building recommendation system based on collaborative filtering of users

1. Overview Before that, I introduced how to ...
0:30 26 June 2020

New features of Java syntax_ java5 to java11

1, Foreword I never thought, it's 0202, Sun i...
4:07 24 June 2020

The new colleague "optimizes" the if else with the strategy mode. The technical director said: can you think about it and then change it?

This article comes from the author's contribution, the original author: God loves apples ...
1:01 24 June 2020

Summary of Data Mining Exercises: Linear Regression, KNN, K-means, Decision Tree, Association Rules

Article Directory Job List (4/20) Job List (4/22) csv, linear regression [3] Think about the relationship between maxim...
21:37 23 June 2020

In the party war of sweet and salty zongzi, Python crawls and analyzes the zongzi data on Taobao

preface The text and pictures of this article are from th...
3:20 22 June 2020

Parameters, local variables, global variables and anonymous functions of function application

Functions are organized, reusable code snippets that implement a single, or associated function. Function can improve th...
3:40 20 June 2020

labelme batch processing json files, json_to_dataset method

labelme batch processing json files, json_to_dataset method Step 1: find json_to_dataset.py file Step 2 modify json_to_...
3:47 17 June 2020

The use of ThreadLocal in Java Concurrent Programming and source code analysis

The use of ThreadLocal in Java Concurrent Programming and source code analysis Create ThreadLocal and its operation Cr...
3:08 12 June 2020

Data mining -- common data preprocessing

0. Read and write data (1) Read txt file ...
2:41 12 June 2020

ORM Framework Series of Wheelmaking Motion~Talk about ORM Framework in my mind

ORM Conceptual Analysis First, comb out the c...
22:04 3 June 2020

Thread factory of the nine Yin scriptures of C + +

The previous article ended the implementation of thread factory class, which mainly introduces the use of thread factory...
10:38 3 June 2020

Comparison of SAM conversion between Kotlin and java8

What is sam conversion Single Abstract Method...
5:42 3 June 2020

Thread pool of C + + nine Yin scriptures

Role of thread pool: 1. Avoid the cost of creating and de...
11:39 1 June 2020

python applet exercise unit 5-7

Drawing of seven digital tubes import turtle as t import time def gap(): t.penup() t.fd(5) def drawline(draw): gap() t....
12:46 29 May 2020

Day 18: Python higher-order functions

by small touch shrimp Functional programming is now grad...
5:43 24 May 2020

C++98/11/17 Expression Categories

target Can the following code be compiled and passed, and run as expected?(Click to expand)#include <utility> #inc...
12:44 23 May 2020

pyqt5 learning record

1, Write at the beginning Boring writing. Recently, I learned how to do python GUI. I feel much behind the web page. I j...
14:11 18 May 2020

FP growth algorithm finds frequent itemsets -- building FP Tree

There are two common algorithms for mining frequent itemsets, one is Apriori algorithm The other is FP growth. Apriori m...
2:30 18 May 2020

Python 3 automated file batch processing (text, PDF; read, filter, export)

With the concise syntax of Python 3 script language and the rich class library of advanced language, several "scrip...
10:04 8 May 2020

Thoughts on Additions and Modifications in Mybatis-plus

One finishing touch When we operate on a database, the additions and modifications are twin brothers, and in most case...
20:53 7 May 2020

Internal class internal interface in java

brief introduction Generally speaking, we cre...
19:44 7 May 2020

pandas data type conversion

Data types in data processing When processing data with pandas, we often encounter the problem of data type. When we ge...
2:10 19 April 2020

AWS Cloudformation - Template learning

In Cloudformation, the entire architecture is defined in the template, and then the corresponding Stack is generated thr...
12:12 7 April 2020

Machine learning learning record [continuous update] - TensorfFlow linear regression

TensorfFlow linear regression The steps of constructing a linear model with TensorFlow Import necessary Libraries Load...
3:00 12 February 2020

Sort list by multiple attributes?

I have a list: [[12, 'tall', 'blue', 1], [2, 'short', 'r...
4:58 9 February 2020

Analyzing Thread and Runnable from source code

As we all know, multithreading is often used in advanced Java development. There are usually two ways to start a new thr...
2:38 7 February 2020

python advanced crawler notes

Written in front selenium is a friendly crawler tool for novices, but I don't think it is suitable for novices. It is re...
7:00 5 February 2020

[Python]---- Python's functions and recursion

function 1. Use of functions in Python Benefits of using functions: 1. Avoid code redundancy 2. Make the program code st...
22:30 4 February 2020