shortcut to compile & run current cursor file

[NOTE] C:\Users\ander\AppData\Roaming\Code\User\keybindings.json "key": "ctrl+'"

c & Linux system基础

1	code	fgets())
2	code	pipe())
3	code	fifo())	mkfifo
4	code	popen())
5	code	函数作为参数被传递
6	code	strtol
7	code	max_element(nums.begin(), nums.end())
8		float     占4个字节，要加f, eg. 1.2f double 占8个字节
	code	lower_bound(x): 大于或等于x的数的指针 upper_bound(x): 大于x的数的指针
	code	const 修饰指针

terminate a thread

code	c++ multithreading
code	pthread_exit 用来终结自己所在线程
code	pthread_cancel
code	pthread_kill
code	根据线程名，使用pthread_cancel来中断线程	prctl, pthread_cancel, c++
	sem_init(), sem_wait(), sem_post()
	pthread_mutex_lock(), pthread_mutex_unlock
code	detach

signals

code	1. basic - ctrl+c发送信号	signal(SIGINT, sigint_handler)
code	2. 向特定thread 发送signal	pthread_kill(tid1, SIGQUIT))

system design

code	生产者消费者。使用 lock 来保证共享资源的互斥。使用 sem 来保证线程间的同步。
code	c++写一个类，实现startCaller和stopCaller两个API， startCaller(), 要求输入待执行函数的函数名和执行频率 stopCaller(), 停止指定函数的循环执行。
code	multiple threading - c
code	multiple threading - c++
	c++实现一个接口类，实现不同总线调用。spi/uart	🔥	TODO
code	380. Insert Delete GetRandom O(1)	🔥

c++

	code	important	TODO
code	cpp_class
code	pure virtual function
code	vector vs list
code	vector
code	pair
code	lambda
code	operator overloading
	how to use find
code	map
code	set/unordered_set
code	static_cast/dynamic_cast
code	std::deque
code	priority_queue
code	API - isdigit/isalphy
code	copy constructor - deep copy vs shallow copy
	string to char
	accumulate(v.begin(), v.end(), 0)
code	smart pointer - unique_ptr/shared_ptr/weak_ptr
code	implicit/explicit

二分法

code Search Insert Position

dp

code	0-1 knapsack
	complete knapsack
code	longest_increasing_nums 非连续
code	longest_Increasing_nums consectively 连续
code	最长回文子序列 dp53
code	最长回文子串
code	多少个子串 dp52
code	将string s换成string t，所需要的最少操作数 dp50
code	dp49 两个字符串的删除操作：找到使得s和t相同，所需要的最少步数
code	dp48 求在s的子序列中，t出现的次数		todo
	dp48.1 求在s的连续子序列中，t出现的次数 - KMP		todo
code	dp47 判断子序列
code	leetcode 673 find Number Of LIS 最长递增子序列的个数
code	740. Delete and Earn

linked list

code	linked list class design with template
code	reverse
code	reverse II
code	create LL
code	partition list 链表局部排序
code	delete duplicated elements
[code]	swap adjacent element
	linked list adding

array

	string combination
code	findMedianSortedArrays.cpp
code	strstr - kmp
code	meeting room
code	meeting room 2
code	spiral mat
code	rotate mat
code	find island
code	is rectangle		todo
code	delete duplicated elements in an array
code	jump game
code	blur pixels
code	len of sorted element, remove repeat elements
code	min sub array Len 长度最小的子数组
code	implement pow
code	remove the duplicated elements in an array
code	2610. Convert an Array Into a 2D Array With Conditions
code	2870. Minimum Number of Operations to Make Array Empty
code	sort vector<vector> v

string

code	reverse words
	palindrome
code	longest palindrome
code	remove extra spaces
	reverse words in a sentence
code	longest uniq sbustring
code	leet 409 最长可组成的回文
code	atoi 字符串转整数
code	strtok
code	sort by frequncy 一串string，按频率输出，相同频率按string字母顺序
code	string to int
code	isalnum: letters and numbers isdigit:    numbers isalpha:   letters

hash

code	twosum
code	intersection
code	isHappy
code	FourAddingEqualZero.cpp
code	ransomLetter.cpp
code	threeSum
code	LongestHarmoniousSubsequence - 成员差别小于等于1的最长子数列

binary tree

code	insert node
	delete node		todo
code	reverse
code	dfs/bfs

backTracking

code	rotten fruit		TODO
code	permutation of string s
code	n and k, return combination from 1 to n, size k
code	clean robot

bitswise

	将二进制数某一位变为1  int res = num| (1 << n)
	将二进制数某一位变为0  int res = num & ~(1 << n))
code	reverse integer
code	print a number in binary form - bitset<16>(num)
code	set all 1 or 0 mask from start to end
code	determine the number of bits required to convert integer A to integer B
code	swap odd and even bits in an integer
code	print bits binary
code	Bitwise AND of Numbers Range
code	endianness swap
code	201. Bitwise AND of Numbers Range
code	nibble value
code	get Complement Of Two without using +, -, *, /
code	find missing number in a array
code	using bitwise XOR operator to find the odd occurring（奇数次出现）number in an array
code	decimal to binary

IPC

code	semaphore
code	pthread_cond_wait

sorting

code	sort, qsort
code	quick sorting - partition	important
code	find nth element in array
code	using stack to sort array
code	finds an element in rotated array
code	merge intervals	important
code	insert intervals	important

stack

code	recursivly del 2 adjacent dup element

embedded

code	aligned malloc
code	memory copy / string copy	🔥very important
code	little ending
code	decimal <-> binary	🔥important
code	count ones - bit count
code	define micro

cracking the code

code
answer

interview questions

code

python

code	python basic
code	recusive print list
code	using super to call the function in superclass（父类）
code	模拟车辆遇到十字路口的行为

others

code	longestStrChain.cpp		TODO
code	using read4 api to implement read N characters	important
code	likely, unlikely, throw exception
code	c++ iterator