stm32cubeMX learning 18. SD card virtual U disk experiment

This program is based on the operation environment of STM32F103ZET6. I had some losses before running this experiment. Let me come together! 1. After the software was written, it was found that there was no enumeration of USB after the USB cable was inserted and connected to the computer resolvent: ...

Posted by kokomo310 on Tue, 18 Feb 2020 05:20:57 -0800

set notes of Chou Hanpai

Similar digital advanced set jw big guy's: set the naked question. First, each array is de duplicated and then thrown into the set. The answer is the number of elements reduced after de duplication / the number of elements in the set. You can use unique for de duplication. However, this problem feels ...

Posted by juniorbisono on Tue, 18 Feb 2020 05:06:40 -0800

Generating REST client using Swagger CodeGen in Spring Boot

Article Directory What is an Open API specification definition file? Generate Rest Client Use in Spring Boot API Client Configuration Use Maven plugin Online Generation API Generating REST client using Swagger CodeGen in Spring Boot Swagger is a very useful API tool. We will use Swagger to expose ...

Posted by auday1982 on Mon, 17 Feb 2020 17:13:12 -0800

Dijkstra of the shortest path of graph -- pseudo code, complete implementation code (adjacency matrix, adjacency table), examples and problem points

1 Dijkstra (single source shortest path problem) 1.1 minimum distance 1.1.1 pseudo code //Figure G is generally set as a global variable; Array d is the shortest path length from the source point to each point, and s is the starting point Dijkstra(G, d[], s){ Initialization for (n cycles) ...

Posted by tisa on Sat, 15 Feb 2020 19:36:13 -0800

linux command line setting network connection (server setup)

I installed cent os7 on my old DELL computer as a normal development server, and the notebook usually has WIFI and wired network card, so set this notebook as a server with dual network card. See more( www.omob.cc) When I install cent os7, I will minimize the installation. However, during the installation process, during the g ...

Posted by Jonah Bron on Sat, 15 Feb 2020 07:21:08 -0800

Django REST framework quick start

start We will create a simple API to allow administrator users to view and edit users and groups in the system. Project settings Create a new django project named: < tutorial >, and then create a new app named: < QuickStart >. # Create the project directory mkdir tutorial cd tutorial   # Create a virtual environment to isolate our p ...

Posted by skymanj on Sat, 15 Feb 2020 00:42:00 -0800

On the bug of GZIPInputStream

http://cin-ie.iteye.com/blog/859822 As for the bug of GZIPInputStream, this problem has not been solved in the latest version of jdk. Note when using gzip:   http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=4691425   Problem Description:   When using GZIPInputStream to read the gizp file, us ...

Posted by roomyz on Thu, 13 Feb 2020 06:58:13 -0800

Data structure experiment

Linear table and its application Experiment content: 1. [problem description] a demonstration program is designed to implement the addition operation of any length integer. 2. [basic requirements] realize the storage of long integers by using bidirectional circular list, each node contains one int ...

Posted by ericburnard on Tue, 11 Feb 2020 23:51:45 -0800

ArcGIS api for javascript accesses server's security services by registering token with IdentityManager

Available environment: A stand-alone server environment that is not federated with a portal.Enprise Environment Access Security Services see two other articleshttps://blog.csdn.net/qq_40376439/article/details/104227280https://blog.csdn.net/qq_40376439/article/details/104217511Scenario for use: When we p ...

Posted by manyamile on Tue, 11 Feb 2020 18:08:44 -0800

ESP8266 Transceiver and Receiver Test Successful

**ESP8266 Module Test** ESP8266-01s Packaging Diagram: ESP8266 and Single Chip Connection: ESP: Single-chip computer UTXD RXD GND GND CH_PD(EN) (works for high level modules). GPIO2 must be connected to a high level (internal has been r ...

Posted by cdinca on Mon, 10 Feb 2020 18:22:35 -0800