controlling brightness using led
虚拟器启动 SMBus Host controller not enabled
虚拟器启动提示：SMBus Host controller not enabled 虚拟机启动老提示这个，正常进入不影响使用： SMBus Host controller not enabled 查一下这个模块看看 lsmod | grep piix4 禁用这个模块 sudo vim /etc/mo ......
KBL410-ASEMI智能LED照明灯具KBL410
编辑：ll KBL410-ASEMI智能LED照明灯具KBL410 型号：KBL410 品牌：ASEMI 芯片个数：4 封装：KBL-4 恢复时间：＞50ns 工作温度：-55°C~150°C 浪涌电流：200A 正向电流：4A 反向耐压：1000V 正向压降：1.10V 引脚数量：4 KBL410 ......
[LeetCode] 2434. Using a Robot to Print the Lexicographically Smallest String_Medium tag: stack
You are given a string s and a robot that currently holds an empty string t. Apply one of the following operations until s and t are both empty: Remov ......
C++ - 使用using定义别名
大家都知道，在 C++ 中可以通过 typedef 重定义一个类型： typedef unsigned int uint_t; 被重定义的类型并不是一个新的类型，仅仅只是原有的类型取了一个新的名字。因此，下面这样将不是合法的函数重载： void func(unsigned int); void fu ......
已解决ERROR: Could not install packages due to an OSError: [WinError 5] 拒绝访问。: 'e:\\python\\scripts\\pip.exe' Consider using the `--user` option or check the permissions.
已解决ERROR: Could not install packages due to an OSError: [WinError 5] 拒绝访问。: 'e:\\python\\scripts\\pip.exe' Consider using the `--user` option or check ......
[897] Filter a DataFrame using logical operations
In Pandas, you can filter a DataFrame using logical operations to select rows that meet specific conditions. You can use logical operators such as & ( ......
ValueError: ('`tf.compat.v1.keras` Optimizer is not supported when eager execution is enabled. Use a `tf.keras` Optimizer instead, or disable eager execution.')
ValueError: ('`tf.compat.v1.keras` Optimizer (', <tensorflow.python.keras.optimizers.SGD >, ') is not supported when eager execution is enabled. Use a ......
论文阅读（一）——Adding Conditional Control to Text-to-Image Diffusion Models
  4 maven { name "Alibaba" ; url "https://maven.aliyun.com/reposit ......
AP2400 LED电源驱动 降压恒流IC 机场灯 指示灯 交通照明灯
产品描述 AP2400 是一款 PWM 工作模式,高效率、外围简单、外驱功率管，适用于 5-100V输入的高精度降压 LED 恒流驱动芯片。外驱 MOS，最大输出电流可达 6A。AP2400 可实现三段功能切换，通过MODE1/2/3 切换三种功能模式：全亮，半亮，爆闪，全亮/半亮/爆闪循环模式。A ......
[论文阅读] ECOD: Unsupervised Outlier Detection Using Empirical Cumulative Distribution Functions
ECOD: Unsupervised Outlier Detection Using Empirical Cumulative Distribution Functions Author：Zheng Li, Yue Zhao, Student Member Xiyang Hu, Nicola Bot ......
AP5193 DC-DC降压恒流驱动器 大功率宽电压LED驱动IC
产品描述 AP5193是一款PWM工作模式,高效率、简单、内置功率MOS管，适用于4.5-100V输入的高精度降压LED恒流驱动芯片。电流2.5A。AP5193可实现线性调光和PWM调光，线性调光脚有效电压范围0.55-2.6V.AP5193 工作频率可以通过RT 外部电阻编程来设定，同时内置抖频电 ......
Go - Making Arrays and Slices Safe for Concurrent Use
Problem: You want to make arrays and slices safe for concurrent use by multiple goroutines. Solution: Use a mutex from the sync library to safeguard t ......
A Visual Guide to Using BERT for the First Time
https://jalammar.github.io/a-visual-guide-to-using-bert-for-the-first-time/ A Visual Guide to Using BERT for the First Time Translations: Chinese, Kor ......
STM32F030F4P6 GPIO 配置输出点亮Led
代码实现： #define LED1_Pin GPIO_PIN_4#define LED1_GPIO_Port GPIOA while (1) { /* USER CODE END WHILE */ HAL_GPIO_TogglePin(GPIOA, LED1_Pin); HAL_Delay(100 ......
This generated password is for development use only. Your security configuration must be updated before running your application in production.问题的解决
问题描述 在我加上spring-boot-starter-security的依赖之后，启动项目报出来这样的错误： 问题解决 在启动类的注解上，加上这么一段代码就ok啦！ 启动成功： ......
Proj CDeepFuzz Paper Reading: NYX: Greybox Hypervisor Fuzzing using Fast Snapshots and Affine Types
Abstract 背景：hypervisor(virtual machine monitor, VMM) 保障了不同虚拟机之间的安全隔离(security boundaries) 用户：攻击场景：在云服务上运行自身的VM instances, 提升权限 本文：Nyx 目的：coverage guid ......
Use Pyinstaller To Creat EXE
Use Pyinstaller To Creat EXE Creat New Folder Put file in to New Foder file：py、ico Open powershell Input Command Pyinstaller -F -w -i="replace.ico" so ......
08. 点亮LED
一、LED简介 发光二极管，简称为 LED，是一种常用的发光器件，它由含 镓（Ga）、砷（As）、磷（P）、氮（N）等的 化合物 制成。通过 电子 与 空穴 复合释放能量发光，它在照明领域应用广泛。 发光二极管与普通二极管一样是由一个 PN结 组成，也具有 单向导电性。当给发光二极管加上 正向电压 ......
01-LED指示灯的基本控制
由上可知此单片机采用74HC138位选用来实现LED选择功能 代码如下 sbit HC138_A = P2^5; sbit HC138_B = P2^6; sbit HC138_C = P2^7; // 此Delay一次大概8us void Delay(unsigned int t) { while ......
About how to use Char.GetNumericValue
he method Char.GetNumericValue retrieves the numeric value of a specific char. However, it's important to note a few things about this method: It's de ......
WPF-细说控件Control
Content Controls 内容控件 基本概念 1.内容控件的最大的特征就是有一个Content属性 继承关系 2.1 ButtonBase FrameworkElement->Control->ContentControl->ButtonBase->Button,RepeatButton,G ......
vue_error_Runtime directive used on component with non-element root node. The directives will not function as intended
翻译: '运行时指令，用于非元素根节点的组件。这些指令将无法发挥预期的作用'; 这个错误发生在我将v-show放在自定义组件上时, 我想是因为自定义组件在渲染时会被自定义组件的内部元素替换, 因此设置是无效的 解决: 在自定义组件外加一个div, 把v-show写在div上 ......
Go - Using Log Levels
Examples of log levels from high to low are: • Fatal • Error• Warn • Info • Debug To set up log levels for your logs, you can add the level to each li ......
Go - Using Multiple Versions of the Same Dependent Packages
Problem: You want to use multiple versions of the same dependent packages in your code. Solution: Use the replace directive in the go.mod file to rena ......
ajax调用后台controller方法时报415 (Unsupported Media Type)错误
spring mvc 下，ajax调用后台controller方法时报415 (Unsupported Media Type)错误 错误：ajax的post方法调用后台controller方法时报错：415 (Unsupported Media Type)。下面是错误时的代码 前端：var url ......
How to get the original size of an image using JavaScript All In One
How to get the original size of an image using JavaScript All In One
如何使用 JavaScript 获取一个图片像的原始大小
naturalWidth & naturalHeight
aspect ratio / 纵横比
......