Table of Contents 1. Introduction to FPU of STM32F407 2. Configuration 3. Comparative testing 3.1 Example 1 3.2 Example 2 4. Summary This article is based on the STM32 HAL library version: STM32Cube_FW_F4_V1.27.0 1. Introduction to FPU of STM32F407 FPU: Float Point Unit, which is the floating point operation unit. If a fixed-point CPU (CPU […]
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Kylin KYLINIOS software warehouse construction 03-add new version of software package to software warehouse
Original link: Kylin KYLINIOS software warehouse construction 03-adding new version of software package to software warehouse Hello, everyone, today I bring you article 03 on how to build a software warehouse for the Kirin desktop operating system – adding a new version of the software package to the software warehouse. This article mainly introduces how […]
VMware Workstation 15 Pro install Centos7
Note: VMware Workstation 15 Pro + windows10 system is relatively stable Windows11 + VM15 may cause a blue screen. Windows11 recommends a higher version of VM; centos7 download address: centos-7-isos-x86_64 installation package download_open source mirror station-Alibaba Cloud (aliyun.com) Table of Contents 1. Install VMware Workstation 15 Pro virtual machine 2. Install Centos7 steps 3. Virtual […]
list.stream().sorted() Java8 Stream’s sorted() sorting. Forward order, reverse order, multi-field sorting
For collection sorting, java8 can use sorted() of the Stream stream for sorting. ExampleBeans We will use this Bean as an example below. public class Order {<!– –> private String weight; private Double price; private String dateStr; //Ignore getter, setter, constructor, toString } Field sorting The first is the comparator Comparator, which has the following […]
Modify the software name in the launcher on Tongxin desktop operating system 1060
Original link: Modify the software name in the launcher on Tongxin UOS1060 Hello, everyone, today I bring you an article about changing the name of the software in the launcher on the Unison desktop operating system 1060, so that we can modify the frequently used software to display personalized names. Welcome everyone to browse share. […]
STM32 manually transplants HAL firmware library
1. Three development methods of STM32 The essence of microcontroller development is the operation of registers, and the firmware library is a further encapsulation of registers. Direct register development: The execution efficiency is the highest, but the development is difficult and inconvenient for transplantation. You need to consult the data manual frequently. Standard peripheral library […]
[HCTF 2018] WarmUp’s most detailed explanation on the entire network
View source code to find tips Visit source.php Code audit: class emmm { public static function checkFile( & amp;$page) { $whitelist = [“source”=>”source.php”,”hint”=>”hint.php”]; A class named emmm is defined. There is a static method checkFile in this class to check whether the file to be included is in the whitelist. The whitelist is an associative […]
Banana Pi BPI-M6 (Raspberry Pi 5 replacement) initial setup and firmware burning
Banana Pi BPI-M6: Initial setup and image burning First test of Banana Pi BPI-M6 In my previous article, I compared the hardware features of the Banana Pi BPI-M6 and the Raspberry Pi 5. Both have excellent hardware technology and shouldn’t have much of a problem in terms of performance. Today I wanted to test out […]