hong kong programming the

E: Could not open lock file /var/lib/dpkg/lock-frontend - open (13: Permission denied) E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/lock-frontend), are you root?

错误: E: Could not open lock file /var/lib/dpkg/lock-frontend - open (13: Permission denied) E: Unable to acquire the dpkg frontend lock (/var/lib/dpkg/ ......
frontend lock lock-frontend dpkg open

Vue3 vite:is a JavaScript file. Did you mean to enable the 'allowJs' option?

描述 今天在vue3+vite下进行打包时,突然vscode报了一个error。 大概的意识是询问是否启用“allowJS”选项,因为该文件在程序内是指定用于编译的根文件。 提示信息已经很明确了,下面从网上摘抄了下什么是 allowJS 选项。 allowJs是1.8中新提供的选项。TypeScri ......
JavaScript allowJs enable option Vue3

Cross-thread operation not valid: Control 'txtMessage' accessed from a thread other than the thread it was created on.

Winform TextBox Cross-thread operation not valid: Control 'txtMessage' accessed from a thread other than the thread it was created on. (330条消息) 解决Cros ......

CentOS7 开机异常Failed to open /sysroot/etc/fstab:Input 和 mysql无法启动 Ignoring the redo log due to missing MLOG

出现问题,系统进不去; 参考: 亲测有效 https://blog.csdn.net/Nightwish5/article/details/119640728 ......
Ignoring CentOS7 missing sysroot CentOS

【848】Data filtering in R programming

ref: R语言data.frame常用操作 ref: Keep rows that match a condition The filter() function is used to subset a data frame, retaining all rows that satisfy you ......
programming filtering Data 848 in

讲座笔记2:Fairness with Censorship: Bridging the Gap between Fairness Research and Real-world Deployment

Fairness with Censorship: Bridging the Gap between Fairness Research and Real-world Deployment 主讲人:Wenbin Zhang Censorship: 会有信息的缺失 原因: Study ends - n ......

Tips: How to Get the Currently Selected HTML Content in Major Browsers

```js function getSelectionHtml() { const sel = window.getSelection(); if (sel.rangeCount) { var container = document.createElement("div"); for (var i ......
Currently Browsers Selected Content Major

npm install报gyp ERR! stack Error: Can't find Python executable "python", you can set the PYTHON env variable.没有python环境

1 gyp ERR! stack Error: Can't find Python executable "python", you can set the PYTHON env variable. 2 gyp ERR! stack at PythonFinder.failNoPython (/Us ......
python quot executable variable install

java.sql.SQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '}' at line 1

# 问题 报错代码 ``` org.apache.ibatis.exceptions.PersistenceException: ### Error querying database. Cause: java.sql.SQLSyntaxErrorException: You have an err ......

Kong入门学习实践(6)HTTPS与TCP流代理

最近在学习Kong网关,因此根据老习惯,我会将我的学习过程记录下来,一来体系化整理,二来作为笔记供将来翻看。由于我司会直接使用Kong企业版,学习过程中我会使用Kong开源版。 本篇,我们学习快速配置HTTPS跳转 与 TCP流代理。 HTTPS跳转配置 HTTP协议虽然应用广泛,简单易用,但存在着 ......
HTTPS Kong TCP

MySqlException(0x80004005) Reading from the stream has failed 远程主机强迫关闭了一个现有的连接

不同客户端电脑连接服务器数据库,通过navicat管理工具可以正常连上,但是通过程序连接提示MySqlException(0x80004005) Reading from the stream has failed 远程主机强迫关闭了一个现有的连接(注意:部分电脑通过程序也是可以正常连接服务器数据库 ......

Hack The Box-Starting Point-Crocodile

## 答案: 1. 任务1:What Nmap scanning switch employs the use of default scripts during a scan? `-sC` ![image](https://img2023.cnblogs.com/blog/1367845/2023 ......

gdb.exe: warning: Couldn't determine a path for the index cache directory.

GDB 调试中出现的警告 D:\\gitee\\luatos-soc-2022\\out\\example_copy> arm-none-eabi-gdb example.elf C:\\SysGCC\\bin\\arm-none-eabi-gdb.exe: warning: **Couldn't ......
determine directory warning Couldn cache

【GiraKoo】VS提示Some bytes have been replaced with the Unicode substitution character

# 【问题解决】VS提示Some bytes have been replaced with the Unicode substitution character VS提示Some bytes have been replaced with the Unicode substitution char ......

Hack The Box-Starting Point-Sequel

## 答案 1. 任务1:During our scan, which port do we find serving MySQL? `3306` ![image](https://img2023.cnblogs.com/blog/1367845/202306/1367845-20230628121 ......

docker报错:Error response from daemon: driver failed programming external connectivity on endpoint likeshop-nginx

重启docker-compose时,nginx服务报错。 报错信息: Error response from daemon: driver failed programming external connectivity on endpoint likeshop-nginx (f0a809481f5 ......

Mysql用户建立触发器报错You do not have the SUPER privilege and binary logging is enabled

分析原因:是log_bin_trust_function_creators值为off导致,因为Table中有Trigger,如果不创建Trigger,不会出现这样的错误信息,但Trigger必须创建临时解决办法:用root用户登录: mysql -u root -pmysql>set global ......
触发器 privilege enabled logging 用户

How to Implement Drag and Drop Between Your Program and Explorer

How to Implement Drag and Drop Between Your Program and Explorer Michael Dunn Rate me: 4.90/5 (105 votes) 14 Dec 2002 A step-by-step description of ho ......
Implement and Explorer Between Program

has been blocked by CORS policy: The request client is not a secure context and the resource is ...

该报错原因为:Chrome浏览器禁止外部请求访问本地,被CORS策略阻止解决方案:1、打开chrome的设置: chrome://flags/#block-insecure-private-network-requests2、将 Block insecure private network requ ......
resource blocked context request client

Hack The Box-Starting Point-Appointment

## 答案 1. 任务1:What does the acronym SQL stand for? `Structured Query Language` ![image](https://img2023.cnblogs.com/blog/1367845/202306/1367845-2023062 ......

Vue报错之 Property or method "XXX" is not defined on the instance but referenced during render

原因1:真的没定义, 原因2:定义了,但是需要检查大小写是否一致 ......
quot referenced Property instance defined

SAP Restful ABAP Programming 和 HTML Over the wire 的一些对比

Restful ABAP Programming(简称RAP)旨在找到 SPA 和 MPA 之间的`最佳平衡点`。 RAP 丰富了 JSON 本身或初始 OData 请求的元数据中的响应,并且视图和模型是先前在 CDS 中定义的后台 annotation: ![](https://img-blog. ......
Programming Restful ABAP HTML Over

基于DEAP进化算法库的Genetic Programming实践学习

因为可能之后会采用GP的方式来解决ATFM相关的问题,所以我就去学习了一下GP的使用方法,DEAP库的教程还是很清晰明了的,在此附上链接 DEAP_documentation 我主要跟着简称完成了符号回归、偶校验、垃圾邮件检测三个例子,前两个是Loosely Typed GP,最后一个是Strong ......
Programming Genetic DEAP

HTML Over the wire 框架和单页面应用的区别

HTML Over the wire 方法包括类似于多页面应用程序 (MPA) 的服务器端渲染 (SSR)。 然而,在初始请求之后,浏览器仅通过 AJAX 异步检索 HTML 片段,因此整个页面不再重新渲染。 与单页应用程序 (SPA) 不同,服务器还处理应用程序的逻辑和状态: [图片] 单页面应用 ......
框架 页面 HTML Over wire

HTML Over the wire 框架 Unpoly 和 React 的使用场合比较

Unpoly 是一个轻量级的 JavaScript 框架,它允许您通过 HTML over the wire 的方式进行 Web 应用程序开发。HTML over the wire 是一种网络通信模式,它将由服务器生成的 HTML 片段作为响应发送给客户端,而不是传统的 JSON 数据。这样,服务器 ......
框架 场合 Unpoly React HTML

[LeetCode] 2485. Find the Pivot Integer

Given a positive integer n, find the pivot integer x such that: The sum of all elements between 1 and x inclusively equals the sum of all elements bet ......
LeetCode Integer Pivot 2485 Find

HTML Over the wire 的代表框架 hotwire 介绍

HTML over-the-wire作为一种更直接的创建Web应用程序的方式而不需要使用太多JavaScript,已经逐渐流行起来。它通过“html over the wire”的思路,发送HTML而不是JSON来实现。 现在,一种名为Unpoly的“非侵入式JavaScript框架”出现,成为Ba ......
框架 hotwire 代表 HTML Over

什么是 HTTP Over the wire

我们可以通过在服务器上生成HTML,并将其(在一些帮助下)直接传递到浏览器,来编写快速、现代、响应式的Web应用程序。这种思路不需要将JSON作为中间格式。不需要客户端MVC框架。不需要复杂的捆绑和转译流程。但是我们需要换一种思考方式。 因为过去十年左右的Web开发主流故事一直是 `JavaScri ......
HTTP Over wire the

【Linux】systemd.timer replace the crontab or at jobs

### systemd 架构 ``` 学习 Systemd 的第一步,就是搞懂"单元"(unit)是什么。 简单说,单元就是 Systemd 的最小功能单位,是单个进程的描述。一个个小的单元互相调用和依赖,组成一个庞大的任务管理系统,这就是 Systemd 的基本思想。 由于 Systemd 要做的 ......
systemd replace crontab Linux timer