programming computer using isom
vue中computed的详细讲解
1.定义 computed是vue的计算属性，是根据依赖关系进行缓存的计算，只有在它的相关依赖发生改变时才会进行更新 2.用法 一般情况下，computed默认使用的是getter属性 3.computed的响应式依赖(缓存) 1. computed的每一个计算属性都会被缓存起来，只要计算属性所依赖 ......
HP 288G9 主机安装Esxi6.7报错Shutting down firmware services Using simple offset' UEFI RTS mapping policy
Shutting down firmware services Using simple offset' UEFI RTS mapping policy 找了好多方法都不行， 尝试1：添加ignoreHeadless=TRUE参数也没救回我电脑，失败 尝试2：BIOS中将PCI 64bit Reso ......
已解决 DeprecationWarning: Using or importing the ABCs from 'collections' instead of from 'collections.abc' is deprecated since Python 3.3, and in 3.9 it will stop workingfrom collections import Iterable
场景描述 E:/worksp_py/hardwary/100day/twentyfive/itertor.py:4: DeprecationWarning: Using or importing the ABCs from 'collections' instead of from 'collect ......
UNIQUE VISION Programming Contest 2023 New Year (AtCoder Beginner Contest 287) ABCDE
# [UNIQUE VISION Programming Contest 2023 New Year (AtCoder Beginner Contest 287)](https://atcoder.jp/contests/abc287) ## A - Majority ### Problem Sta ......
Jmeter："An error occurred: Can't connect to X11 window server using 'lacalhost:12.0' as the value of the display variable." 解决办法
做各种不同项目的性能测试，都需要在项目本地压测服务器配置jmeter，需要时还要调出jmeter图形化界面来调试jmeter脚本。 标题中的问题遇过多次，这次做个记录。 1. 启动jmeter报错 在配置好jmeter环境变量的linux系统执行jmeter命令，报错如下： [root@localh ......
Buffered I/O implementation using an in-memory bytes buffer.
The abstract base class for all I/O classes, acting on streams ofbytes. There is no public constructor. Buffered I/O implementation using an in-memory ......
ubuntu22.04下编译ffmpeg-6.0,并且激活x264编码功能。记录一下踩坑（ERROR: x264 not found using pkg-config）
一.编译x264(在编译前确保安装了pkg-config，默认在/usr/share下) 1.下载x264源代码：(我下载到了~/Downloads下，各位随意就好) git clone https://code.videolan.org/videolan/x264.git 2.下载好后，将x264 ......
[Vue warn]: Error compiling template: Component template should contain exactly one root element. If you are using v-if on multiple elements, use v-else-if to chain them instead.
##报错信息: [Vue warn]: Error compiling template: Component template should contain exactly one root element. If you are using v-if on multiple elements, ......
Qt编译报错error: exception handling disabled, use -fexceptions to enable的解决方法
如题，在Qt中使用了C++标准库中的异常处理机制，即try catch语句，在编译时报错error: exception handling disabled, use -fexceptions to enable catch(std::exception excp) 解决方法：在Qt的工程文件中添加 ......
ai问答：Vue3中使用computed和watch监听pinia数据的区别
通过Vue3组合式API的computed和watch,可以轻松实现在组件中监听pinia状态的变化,这是Vue3与pinia结合的重要用法。 ......
在intelj idea中Debug启动tomcat时Address already in use:JVM_Bind
在debug重启web应用时，偶尔会报如下错误：Address already in use:JVM_Bind，一看端口占用 打开任务管理器，发现并没有java相关的进程。所以无法通过杀死进程来解除接口占用，可以通过如下方式解决 1.编辑服务器配置，Edit Configuration 2.点击St ......
VUE Error: Cannot call .tap() on a plugin that has not yet been defined. Call plugin('preload').use(<Plugin>) first.
在对一个vue项目执行过“npm audit fix --force”命令之后，就出现了如下错误： ERROR Error: Cannot call .tap() on a plugin that has not yet been defined. Call plugin('preload').us ......
12_How to deploy Flask apps on Ubuntu VPS Using gunicorn and Ngnix
地址：https://www.codewithharry.com/blogpost/flask-app-deploy-using-gunicorn-nginx/ How to deploy flask app on Ubuntu VPS using Nginx and gunicorn In thi ......
10_How deploy a Django application using Nginx & Gunicorn in Production
地址：https://www.codewithharry.com/blogpost/django-deploy-nginx-gunicorn/ How to host Django Application using gunicorn & nginx in Production In this po ......
Neural network image classification using Intel oneAPI tool
With the continuous development of artificial intelligence technology, image classification has become a popular research area. In this field, deep le ......
Using generated security password
#### spring security默认的用户名(user)和随机生成的密码，在控制台输出`Using generated security password: 1dfdgki3-q234-76hj-6h7l-1re87f546r646` #### 也可以手动配置 ``` spring: sec ......
Using kconfig for own projects
2023-06-06 https://www.cnblogs.com/NJ-Leon/ Intro Every Linux professional write scripts. Someеimes light, linear. Sometimes complex script with funct ......
Running Additional Programs at Boot Time （开机启动）
https://www.centos.org/docs/5/html/Installation_Guide-en-US/s1-boot-init-shutdown-run-boot.html The /etc/rc.d/rc.local script is executed by the init ......
HTTP Basic Authentication>> 401>> Using the browser’s native login prompt
https://docs.oracle.com/cd/E27515_01/common/tutorials/authn_http_basic.html http://blog.stevensanderson.com/2008/08/25/using-the-browsers-native-login ......
Programming: elimination array duplicate
JavaScript 1. splice let arr = [1, 2, 3, 5, 6, 4, 3, 2, 1, 1, 2, 3, 4, 5] for(let i = 0; i < arr.length - 1; ++i) { for(let j = i + 1; j < arr.length; ......
Programming: Sort
JavaScript let arr = [8, 4, 3, 2, 6, 7, 1, 5, 9] function quickSort(arr) { console.log(arr) if(arr.length <= 1) return arr let midIndex = parseInt(arr ......
DMN Use Service Task
在DMN中，可以通过Use Service Task来获取外部系统的数据。Use Service Task是一种可嵌入服务调用的任务类型，允许在规则流程中调用外部服务，包括Web服务、REST服务等。使用Use Service Task时，需要在DMN文件中定义任务的输入输出参数，然后在规则中调用该 ......
《computational complexity》笔记：伪随机化和去随机化
#Cryptography **encryption scheme** 固定信息的长度和密钥的长度，(E,D)满足对所有密钥$k$，$D_k(E_k(x))=x$。 **perfect secrecy** 对每一对信息，若密钥等概率随机，加密后的分布相同。可以想象，对于攻击者来说，如果密钥没有任何信 ......
kubectl exec [POD] [COMMAND] is DEPRECATED and will be removed in a future version. Use kubectl exec [POD] -- [COMMAND] instead.
问题现象为通过kubectl进入pods时提示在未来版本中将移除这种进入这种方式，需要使用新的命令格式进入 ```sh [root@master ~]# kubectl exec myweb-c5xq6 -it /bin/bash kubectl exec [POD] [COMMAND] is DE ......
How to use variable in Python String All In One
How to use the variable in Python String All In One
如何在 Python 字符串中使用变量
Python 字符串插值 All In One
Python 字符串中使用变量的 5 种方式 ......
How to use Vim copy line and paste line All In One
How to use Vim copy line and paste line All In One
如何使用 Vim 复制行和粘贴行
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Using platform encoding (Cp1252 actually) to copy filtered resources
[INFO] maven-resources-plugin:2.6:resources (default-resources) @ z-test [WARNING] Using platform encoding (Cp1252 actually) to copy filtered resource ......
MongoDB 大文件处理 _ Building MongoDB Applications with Binary Files Using GridFS
https://www.mongodb.com/docs/manual/core/gridfs/?_ga=2.14656884.2104711149.1685609332-621414559.1685004986 GridFS GridFS is a specification for storin ......
C++中的using 的作用,typedef与#define的区别
我们用到的库函数基本上都属于命名空间std的，在程序使用的过程中要显示的将这一点标示出来，如std::cout。这个方法比较烦琐，而我们都知道使用using声明则更方便更安全。 2、命令空间的using声明 我们在书写模块功能时，为了防止命名冲突会对模块取命名空间，这样子在使用时就需要指定是哪个命名 ......