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How to connect to multiple SSD1306 OLED Displays using Raspberry Pi GPIO I2C PIN All In One
How to connect to multiple SSD1306 OLED Displays using Raspberry Pi GPIO I2C PIN All In One
如何使用 Raspberry Pi 的 GPIO I2C PIN 连接多个 SSD1306 OLED 显示器 ......
java.io.FileNotFoundException: class path resource [bean.xml] cannot be opened because it does not exist
出现这个报错 Exception in thread "main" org.springframework.beans.factory.BeanDefinitionStoreException: IOException parsing XML document from class path res ......
Mixed Content: xxx This request has been blocked; the content must be served over HTTPS
1.情景展示 这是教师资格证，准考证的下载界面。 当我们去点击“下载准考证”的时候，你将发现点击该按钮并没有反应。 按F12，打开开发者工具。 该网站，会自动进入断点调试模式，目的是为了：禁止前端开发者查看网页代码之类的吧。 我们要想看看，为什么无法下载准考证，就不能够被它拦住。 解决办法： 第一步 ......
安装SQL Server累积版本更新包，提示“Not Clustered or the Cluster service is up and online”和 There are no SQL Server Instances or shared features that can be updated on this computer
1. Not Clustered or the Cluster service is up and online 起因是服务器SQL Server之前有开启SQL Server AlwaysOn High availability feature and installed Failover Clu ......
Raspberry Pi & 0.96 inch OLED display All In One
Raspberry Pi & 0.96 inch OLED display All In One I2C GPIO Python demos --> (🐞 反爬虫测试！打击盗版⚠️）如果你看到这个信息, 说明这是一篇剽窃的文章，请访问 https://www.cnblogs.com/xgqfrms ......
176_工具_Power BI 实用工具 pbi-utils 更新至 v1.0.3.1
176_工具_Power BI 实用工具 pbi-utils 更新至 v1.0.3.1 pbi-utils 更新至：v1.0.3.1, 从 v1.0.0.0 到 v1.0.3.1 更新了 8 次。 文档地址：https://jiaopengzi.com/2880.html 主要功能： 快速设置 Po ......
20230507 TI Engineer It - How to test power supplies - Measuring Noise
Hi. I'm Bob Hanrahan application engineering at Texas Instruments.This is a series on measuring performance of power supplies .we will be measuring no ......
TypeError: 'numpy.float64' object cannot be interpreted as an integer
报错内容： Traceback (most recent call last): File "C:\Users\xuan\.conda\envs\pytorch1-6\lib\site-packages\scipy\sparse\_sputils.py", line 225, in isintlik ......
mysql8.0 使用navicat报caching_sha2_password' cannot be loaded解决方法
安装 8.0版本的mysql后，使用navicat连接时，报caching_sha2_password' cannot be loaded的异常。 原因为：8.0版本的mysq用户密码加密方式为caching_sha2_password，navicat暂不支持，需要修改下mysql的加密方式。 解决 ......
WCF Error : Manual addressing is enabled on this factory, so all messages sent must be pre-addressed
WCF Error : Manual addressing is enabled on this factory, so all messages sent must be pre-addressed 回答2 I added a service reference as usual and got ......
npm命令报错：error Unexpected token '.'； error A complete log of this run can be found in:
如果你的npm报错是这样的 error Unexpected token '.' error A complete log of this run can be found in: 并且你你尝试过了网上各种方法不得行。那么会不会是管控版本vnm的问题呢？ 弄了一早上不得行；最后尝试了下nvm版本。 ......
Method expression can be null or undefined
idea编写vue项目，老提示Method expression can be null or undefined 更改idea的inspection设置 去掉Type Mismatch的校验，问题解决 ......
ABB控制模块PPC907BE 3BHE024577R0101
W;① ⑧ 0 ③ 0 ① ⑦ 7 7 ⑤ 9 ABB控制模块PPC907BE 3BHE024577R0101 SYN5202-0277 PFCA401SF 3BSE024387R4 SYN5202A LWN2660-6E 3BHL000986P7002 UFC760BE143 3BHE004573 ......
github报错Failed to connect to github.com port 443 after 21313 ms: Couldn't connect to server
github报错Failed to connect to github.com port 443 after 21313 ms: Couldn't connect to server 网络连接问题，我开vpn了。 github报错 Recv failure: Connection was reset ......
Mac视频编辑的最佳理想工具—After Effects 2022
After Effects是 Adobe用于构建和处理视频和图像的主要工具。它包含从原始和后期视频处理到专业编辑的所有处理功能。除了一些高级功能外, After Effects还包括专业视频编辑。由于 After Effects可以以更大的分辨率和帧速率处理单个视频和图像以产生更多的不同格式。尽管 ......
Go坑：time.After可能导致的内存泄露问题分析
Go 中 time.After 可能导致的内存泄露 一、Time 包中定时器函数 go v1.20.4 定时函数：NewTicker，NewTimer 和 time.After 介绍 time 包中有 3 个比较常用的定时函数：NewTicker，NewTimer 和 time.After： New ......
[LeetCode] 1003. Check If Word Is Valid After Substitutions
Given a string s, determine if it is valid. A string s is valid if, starting with an empty string t = "", you can transform t into s after performing ......
idea创建SpringBoot项目报错For artifact {mysql:mysql-connector-java:null:jar}: The version cannot be em
For artifact {mysql:mysql-connector-java:null:jar}: The version cannot be empty. 报错如图： pom.xml文件如图： 添加版本号： 就好了 ......
Vulnhub之Gain Power靶机详细测试过程
Gain Power 识别目标主机IP地址 (kali㉿kali)-[~/Vulnhub/Gainpower] └─$ sudo netdiscover -i eth1 -r 192.168.56.0/24 Currently scanning: 192.168.56.0/24 | Screen V ......
230501 TI - Engineer It - How to test power supplies - Overview
Hi, I'm Bob Hanrahan, Application Engineering at Texas Instruments. This is the first on a series on testing power supplies. We'll be talking about so ......
K8s报错：[preflight] WARNING: JoinControlPane.controlPlane settings will be ignored when control-plane flag is not set.
一、报错信息 [preflight] WARNING: JoinControlPane.controlPlane settings will be ignored when control-plane flag is not set.[preflight] Running pre-flight ch ......
杜教筛 & Powerful Number 筛
迪利克雷卷积 对于数论函数 $F$，$G$，我们定义迪利克雷卷积的结果 $H=FG$ 为 $$ H_n=\sum_{d\mid n}F_d G_\frac{n}{d} $$ 有些好的性质，比如：对于积性函数 $F$ 与 $G$，其迪利克雷卷积 $FG$ 也是积性函数；而在迪利克雷卷积的意义下，积性函 ......
问题解决：Component name "xxx" should always be multi-word vue/multi-word-component-names
如题，原因是单个单词命名时语法检测无法通过，可以在导出组件时通过name属性给组件名加一个后缀，比如Component。 <script> export default { // 当组件名为一个单词时，语法检查是无法通过的，可以设置name的值为2个单词来规避检查。 name: 'HomeCompo ......
Python MatplotlibDeprecationWarning Matplotlib 3.6 and will be removed two minor releases later
在Pycharm中使用Matplotlib中的pyplot时，运行代码报错： MatplotlibDeprecationWarning: Support for FigureCanvases without a required_interactive_framework attribute was ......
【Azure 事件中心】Spring Cloud Stream Event Hubs Binder 发送Event Hub消息遇见 Spec. Rule 1.3 - onSubscribe, onNext, onError and onComplete signaled to a Subscriber MUST be signaled serially 异常
Spec. Rule 1.3 - onSubscribe, onNext, onError and onComplete signaled to a Subscriber MUST be signaled serially ......
Microsoft Build 2023 After Party (Placeholder)
一年过去了，微软BUILD又回来了！ https://build.microsoft.com/en-US/home This is a placeholder page for Microsoft Build 2023 after party in May. Will update once I g ......
Power BI实现组织架构的数据权限过滤，上级可以看下级，也可以看下下级的数据
1.建立人员的层级关系 2.建立人员和销售订单的关联关系 3.在人员表增加过滤：路径包含当前人登录账号的 PATHCONTAINS('系统人员'[path], MaxX( Filter('系统人员', [账号]=USERPRINCIPALNAME() ) ,'系统人员'[账号] ) ) ......
HJ68 成绩排序 Sorts are guaranteed to be stable. 默认录入顺序不变
1 ''' 2 Sorts are guaranteed to be stable. 3 That means that when multiple records have the same key, 4 their original order is preserved. 5 所以，按相同分数排 ......
error: Your local changes to the following files would be overwritten by merge 解决方案
拉取代码出现 error: Your local changes to the following files would be overwritten by merge 解决方案 你团队其他成员修改了某文件并已提交入库。 你在pull之前修改了本地该文件，等你修改完代码再pull时，这时会报错如下 ......