Random Notes & Thoughts on CS/ML/DL/CV

原创 Hadoop & HBase Version Support Matrix

原创 Queue (Linked & Sequential) in Python

@[TOC](Queue (Linked & Sequential) in Python)1. Nodeclass Node: def __init__(self, data): self.data = data self.next = None def __eq__(self, data): return self.data == data def __str__(self): return str(s

原创 Linked Stack in Python

Linked Stack in Python1. Node2. Stack3. Test Codes1. Nodeclass Node: def __init__(self, data): self.data = data self.next = None def __str__(self): return str(self.data)2. Stackclass Stack: def __init__(self):

原创 Circular Linked List in Python

Circular Linked List in Python1. Node2. Circular Linked List3. Test Codes1. Nodeclass Node: def __init__(self, data): self.data = data self.next = None def __eq__(self, data): return self.data == data def __str__

原创 Doubly Linked List in Python

Doubly Linked List in Python1. 结点定义2. 双向链表的实现3. 测试程序1. 结点定义class Node: def __init__(self, data): self.data = data self.prev = None self.next = None def __eq__(self, data): return self.data == data def __str__

原创 Singly Linked List in Python

单链表的Python语言实现1. 结点定义2. 单链表实现3. 测试程序1. 结点定义class Node: def __init__(self, data): self.data = data self.next = None def __str__(self): return str(self.data)2. 单链表实现class SinglyLinkedList: def __init__(self):

原创 tar.gz & tar.bz2 解压命令

*.tar.gz格式tar -zxvf xx.tar.gz*.tar.bz2格式 `tar -jxvf xx.tar.bz2`

原创 apt update error "E: The package lists or status file could not be parsed or opened."

Issuessudo apt update...E: Problem parsing dependency DependsE: Error occurred while processing readline-common (NewVersion2)E: Problem with MergeList /var/lib/dpkg/statusE: The package lists or s

原创 Solution: Remmina无法连接到RDP服务器xxx

solution: $sudo rm -f ~/.freerdp/know_hosts

原创 Notes on Python Debugger pdb

Python comes with its own debugger module — pdb. You can set breakpoints, step through your code, inspect stack frames and more.How to Start the DebuggerImport pdb and insert pdb.set_trace() into your

原创 Some Basic Knowledge Points of Python Programming

if __name__ == "__main__"：# do sth.This tells Python that you only what to run the following code if this program is executed as a standalone file. We can use it to test our code.When you do import a m

原创 Notes on Exception Handling in Python

Note: error and exception are the same in Python.Common ExceptionException Almost all the others are built off of it.AttributeError Raised when an attribute reference or assignment fails.IOError Rai

原创 Note on Python File Operation

How to Read Files Piece by Pieceh = open('test.txt', 'r')for line in h: print(h)h.close()h = open('test.txt', 'r')while True: data = h.read(1024) print(data) if not data: bre

原创 Notes on Python Comprehensions

List Comprehensionsx = [i for i in range(10)]if [i for i in line if "SOME TERM" in i]: # do somethingx = ['1', '2', '3', '4', '5']y = [int(i) for i in x]my_strs = [s.strip() for s in str_list]vec