Programmer Think

preface This program design is based on embedded development board CT117E,stm32f103RBT6. If you don't understand the code of which module, you can click my blog to see the writing ideas of each module. 1, Test questions 2, Modules needed 1.LED The code is as follows: LED c: #include "led.h" void led_init(void) { GPIO_ ...

Under linux system, ordinary users cannot directly execute the commands under the authority of root user. If you want ordinary users to execute the operation commands that only root user can execute, sudo is needed. Before sudo was written around 1980, the general way of user management system was to use su to switch to super user. Ho ...

Continuous learning & continuous updating Learning attitude: down to earth The traditional adjacency matrix or adjacency table is not used in the code implementation diagram, because they are too complex and troublesome. The code implementation adopts a compromise scheme, which is more inclined to the adjacency table. When ...

Set 25: The record of personnel consists of number and year, month and day of birth. The data of N personnel has been stored in the structure array std in the main function, and the number is unique. The function fun is to find out the data of the person with the specified number, return it as the function value, and output it by the main func ...

Caller show - caller tagging The company's office app has its own address book. Sometimes when others call, the contact information of this contact is not saved in the mobile phone, and they are afraid of harassment after receiving the call. Therefore, I want to add an incoming call tag of our company, that is, the incoming call show function. ...

preface Vue development is inseparable from routing, especially for medium-sized and large-scale projects. There are many and miscellaneous pages. When configuring routing, it will always become increasingly irritable, because it is time-consuming and does not have much technical content. I always feel that it is a waste of time. In addition, ...

Problems encountered during installation Question 1: [root@lotus postfix-2.11.11]# make makefiles 'CCARGS=-DHAS_MYSQL -I/usr/include/mysql -DUSE_SASL_AUTH -DUSE_CYRUS_SASL -I /usr/include/sasl -DUSE_TLS ' 'AUXLIBS=-L/usr/lib64/mysql -lmysqlclient -lz -lm -L/usr/lib64/sasl2 -lsasl2 -lssl -lcrypto' make -f Makefile.in MAKELEVEL= Makefiles (echo ...

Topic bank link: Group programming ladder competition - practice set OP \ L2-001 emergency rescue (25 points) dijkstra algorithm The boss said that SPFA can also be done. mark it and learn next thinking Can refer to here To understand the basic principle of dijestra; The main characteristic of this problem is that the shortest path ma ...

1. Purpose of document preparationWhen data in Hive is synchronized to HBase, it is usually realized by creating a table mapping HBase in Hive and then insert ing it. When the amount of data is small, it is often acceptable. However, if it is mass data, in addition to the long synchronization time, it often affects the online HBase service, Thi ...

Note: some pits explored on resample and the simple method of final discovery Requirements: there are already registered CT and PET images, and the gold standard label is drawn on CT, so there are some simple requirements. One is to resample the PET image to the same size as the CT image (for example, from 192) × one hundred and ninety-tw ...