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从链接器的角度详细分析g++报错: (.text+0x24): undefined reference to `main'

/usr/bin/ld: /usr/lib/gcc/x86_64-linux-gnu/9/../../../x86_64-linux-gnu/Scrt1.o: in function `_start': (.text+0x24): undefined reference to `main' coll ......
reference undefined 角度 链接 text

How to set UniguiMContainerPanel with multi Row ?

http://forums.unigui.com/index.php?/topic/24269-how-to-set-uniguimcontainerpanel-with-multi-row/#comment-138778 Sirawit uniGUI Subscriber 8 Posted Sep ......
UniguiMContainerPanel multi with How set

How to use Linux shell script to create a command line interactive menu window interface All In One

How to use Linux shell script to create a command line interactive menu window interface All In One 如何使用 Linux shell script 制作一个命令行交互式菜单窗口界面 All In On... ......
interactive interface command script create

提交代码遇到not allowed to push code git info detecting host provider for 网址解决办法

查看git 出错信息 > git push -u origin android info: detecting host provider for 'https://AA.com/'... warning: SECURITY WARNING warning: | TLS certificate ve ......
detecting provider allowed 代码 办法

LINUX:sqoop连接:ERROR manager.CatalogQueryManager: Failed to list databases com.mysql.cj.jdbc.exceptions.CommunicationsException: Communications link failure

可见是连接的jar包出现了错误 通过命令发现我的是5.7版本,将驱动jar包替换为5.几的 之后通过命令 成功解决 ......

How to fix TypeScript tsc CLI option --jsx errors All In One

error TS6142: Module '' was resolved to '/index.tsx', but '--jsx' is not set. error TS5023: Unknown compiler option '--jsx=react'. ......
TypeScript errors option How CLI

Trying to backward through the graph a second time

原因是把创建loss的语句loss_aux = torch.tensor(0.)放在循环体外了,可能的解释是第一次backward后把计算图删除,第二次backward就会找不到父节点,也就无法反向传播。参考:https://stackoverflow.com/questions/55268726/ ......
backward through Trying second graph

ORA-04021: timeout occurred while waiting to lock object

一、问题现象 DG备库异常关闭 二、结合日志进行分析 alter日志 对应trc 文件 49891.trc 三、查询官方文档,找到解决办法 SQL > alter system set "_adg_parselock_timeout"=500 scope=both sid='*'; ......
occurred timeout waiting object 04021

Android sdkmanager not found. Update to the latest Android SDK and ensure that the cmdline-tools

(base) cloud@Robot bin % flutter doctor --android-licenses Android sdkmanager not found. Update to the latest Android SDK and ensure that the cmdline- ......
Android cmdline-tools sdkmanager the cmdline

How do companies ship code to production?

公司如何将代码交付到生产环境? 上图说明了典型的工作流。 步骤 1:该过程从产品所有者根据需求创建用户故事开始。 步骤 2:开发团队从积压工作中获取用户情景,并将它们放入为期两周的开发周期的冲刺中。 第 3 步:开发人员将源代码提交到代码存储库 Git 中。 第 4 步:在 Jenkins 中触发构 ......
production companies code ship How

To install it, you can run: npm install --save svg-baker-runtime/browser-symbol

运行vue项目npm run dev命令报错 报错信息: 错误提示: To install it, you can run: npm install --save svg-baker-runtime/browser-symbol 解决: npm install --save regenerator- ......

leaflet使用heatmap.js出现heatmap.js:527 Uncaught TypeError: Cannot assign to read only property 'data' of object '#<ImageData>'问题

一、问题背景 问题是这样发生的,因为项目中需要实现热力图的功能,所以使用了第三方的库 heatmap.js。 但是在一些浏览器中使用它时,会出现这个错误: > Uncaught TypeError: Cannot assign to read only property 'data' of obje ......
heatmap 39 TypeError ImageData Uncaught

git 报错 remote: You are not allowed to upload code

背景: 尝试推送代码到A仓库时git返回“remote: You are not allowed to upload code”,其他仓库推送代码正常。 定位: 1. 确认我已拥有仓库权限 2. 在其他服务器登录我本人gitlab账号推送代码到A仓库成功 3. 其他人可以正常推送代码到A仓库 4. ......
allowed remote upload code git

ST12 Trace – Step by step instruction on how to use it for analysis

ST12介绍 ST12性能分析工具的使用分如下三个步骤: 设置跟踪参数 开始跟踪收集跟踪数据 分析跟踪数据 跟踪参数分类: 跟踪对象(Trace For) 跟踪类型(Type of Trace) 跟踪对象 ST12可以捕获4种类型的数据 “User/Tasks”, “Work Process”, “ ......
instruction analysis Trace Step step

C# Linq to sql 实现 group by 统计多字段 返回多字段

Linq to sql 使用group by 统计多个字段,然后返回多个字段的值,话不多说,直接上例子: where u.fy_no == fy_no orderby u.we_no group u by new { weno = u.we_no, wename = u.we_name } into ......
字段 group Linq sql to

安装NVIDA驱动时,出现your appear to running an x server;please exit x before installing .for further details 这个错误

安装NVIDA驱动时,出现your appear to running an x server;please exit x before installing .for further details 这个错误 主要是由于安装远程控制lightgm 导致X-server启动。 解决办法: sudo ......
installing 错误 running details further

微信支付 Verify the signature and get the Wechatpay certificate corresponding to serialnumber[X] is empt

1.先获取商户证书文件这块叫商户证书需要和下面的支付证书名字区分 在微信开放平台里面下载商户证书,用apiclient_cert.pem取获取'商户证书的序列号' 证书查看 2.需要下载一个jar,生成微信证书时候用Releases · wechatpay-apiv3/CertificateDown ......

Code-C++-chrono to tm (format time)

Code-C++-chrono to tm (format time) std::chrono::system_clock::time_point now = std::chrono::system_clock::now(); std::time_t now_time_t = std::chrono ......
Code-C chrono format Code time

为什么我们需要不断的开发不同的机器学习模型 —— Do we Need Hundreds of Classifiers to Solve Real World Classification Problems?

论文: 《Do we Need Hundreds of Classifiers to Solve Real World Classification Problems?》 论文地址: https://jmlr.org/papers/volume15/delgado14a/delgado14a.pdf ......

[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 ......

Kotlin Heroes: Episode 6 A. From Zero To Y

给定两个正整数 \(x, y\) 。变量 \(k\) 一开始为 \(0\) 。你可以多次进行以下两种操作之一: 对 \(k\) 加 \(1\) 。 对 \(k\) 加 \(x \cdot 10^p\) ,\(p\) 可以是任意一个非负数。 需要找到最小的操作次数使 \(k\) 到 \(y\) 。 及 ......
Episode Kotlin Heroes From Zero

Unity完美像素Sprite:怎么让图片变得清晰(转载) Unity Pixel Perfect Sprite: How To Achieve Crispy And Sharp Images

https://gamedevelopertips.com/unity-pixel-perfect-sprite/ So I was making a little prototype for my new game when I just came across a little problem. ......
Sprite Unity 像素 Perfect Achieve

ERROR Error: No component factory found for Edit2Component. Did you add it to @NgModule.entryComponents?at noComponentFactoryError (core.js:9877:1)

原文链接:https://www.longkui.site/error/no-component/4843/ angular项目调用组件的时候开始报这个错误,大概的意思是NgModule中没有Edit2Component这个组件。 解决方法: 我们找到组件的xxxx.module.ts。在entry ......

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 ......
permissions the Consider WinError packages

What causes "Invalid Address specified to RtlValidateHeap"?

Forum Visual C++ & C++ Programming Visual C++ Programming What causes "Invalid Address specified to RtlValidateHeap"? If this is your first visit, be ......

E---作用域不同的to do不定式

看这句话: A judge has now overruled the city's decision to stop levying fines 翻译一下: 正确的翻译: 一名法官现在驳回了该市停止征收罚款的决定 错误的翻译: 一名法官现在驳回了该市的决定,是为了停止征收罚款 这两种翻译的意思大相 ......
不定式 作用

otImplementedError: "sortBed" does not appear to be installed or on the path, so this method is disabled.

NotImplementedError Traceback (most recent call last) Cell In[10], line 5 3 s = pybedtools.BedTool(args.starrseq[0]).filter(lambda x: float(x[9]) > 1. ......

ERROR: Could not install packages due to an OSError: [Errno 2] 没有那个文件或目录: '/anaconda3/envs/mydlenv/lib/python3.8/site-packages/fastjsonschema-2.16.2.dist-info/METADATA

ERROR: Could not install packages due to an OSError: [Errno 2] 没有那个文件或目录: '/home/software/anaconda3/envs/mydlenv/lib/python3.8/site-packages/fastjsons ......

问题:vue-cli failed to download repo vuejs-templates/webpack:connect etimedout连接超时,怎么解决

https://github.com/vuejs-templates/webpack 下载之后,解压到本地用户目录下的.vue-templates目录下。 vue init webpack my-login-library 命令的时候,需要带上参数--offline表示离线初始化 ......

Go - Converting an Image to Grayscale

Problem: You want to convert the image to grayscale. Solution: Convert an image to a grid of pixels. Take each pixel in the grid and convert it to a g ......
Converting Grayscale Image Go an