[leetcode/lintcode Explanation ] Microsoft Interview Questions ： Stock price span

Write one StockSpanner class , It collects daily quotes for certain stocks , And returns the span of the current price of the stock . The span o...
2020-07-27 06:44 views 43

Niuke.com - Print binary tree from top to bottom

The Title Description prints each node of the binary tree from top to bottom , Nodes on the same layer are printed from left to right . Problem so...
2020-07-27 06:44 views 49

C# Three Timer

stay C# Exist in 3 Common Timer ：System.Windows.Forms.TimerSystem.Timers.TimerSystem.Threading.Timer Zero ,System.Windows.Forms.Timer this Timer...
2020-07-27 06:44 views 439

Principles of Computer Organization （2）-cache Cache memory

cache- Cache memory in main memory and CPU Insert one or more levels between SRAM Composed cache memory . extend cache Limited , because SRAM It's ...
2020-07-27 06:44 views 53

Transaction message source code learning

Transaction message source code learning TransactionMQProducer Send transaction message when transaction message is sent , It needs to be marked a...
2020-07-26 03:04 views 42

Qt Simple menu bar in , Toolbar and status bar !

Have a look Qt Layout management mechanism and Qt Control for , Just put it all together , Wrote a simple Qt The code also wants to ask if there i...
2020-07-26 03:04 views 59

Extracting entity class objects and entity classes Extract attributes Extraction relation

Designers can extract entity objects according to nouns and noun phrases in the text description of use cases 【abbott ,1983】 Another method is bas...
2020-07-26 03:04 views 313

docker mongodb Data backup and recovery

Initially set the password of the database ： root/123456 , Table name is ：testDB1. query docker Operation of docker ps2. get into mongodb Conta...
2020-07-25 23:28 views 44

java： Array and its common algorithms

java： A detailed summary of array common part algorithm , Concept arrays are containers , That can store elements of the same type “ container ”; b...
2020-07-25 15:10 views 39

Vue The difference between single page and multi page

definition SPA Single page application （SinglePage Web Application）, Refers to an application with only one main page （ One html page ）, It only n...
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