我们使用 vue init 命令初始化 vue 项目时,需要选择使用 runtime-only 还是 runtime-compiler 我们会发现,这两种模式初始化的项目主要不同之处在于 main.js 左:runtime-compiler 模式 右:runtime-only 模式 不难发现,runtime-compiler 模式创建的项目使用组
Android权限分类及保护级别 1、正常类(属于安装时)--------下表中自己查询后标记:灰白色背景--------防护等级:正常normal(防护等级:又称保护级别),见https://developer.android.com/guide/topics/permissions/overview#install-time,只需在AndroidManifest.xml中显式的声明(或在IDE中
下载安装包 下载路径:https://dev.mysql.com/downloads/installer/ 2.安装 步骤.选择安装类型,有“Developer Default(开发人员默认)”、“Server only(仅服务器)”、“Client only(仅客户端)”、“Full(完全)”、“Custom(用户自定义)”三个选项(连续选next) 3.下载工具包 4.next 5.开始配置,相当
Q 题目 Which is true about the SYSTEM and SYSAUX tablespace?A. Only the SYSTEM tablespace contains data dictionary tables.B. Both tablespaces must be online for a database to be accessible.C. Both tablespaces can be used for temporar
成功解决Both binary classification-only and multiclassification-only loss function or metrics specified 目录 解决问题 解决思路 解决方法 解决问题 _catboost.CatBoostError: c:/program files (x86)/go agent/pipelines/buildmaster/catbo
在MySQL数据库中,在进行数据迁移和从库只读状态设置时,都会涉及到只读状态和Master-Slave主从关系设置, 以下针对real_only只读属性做些笔记记录:1) 对于MySQL单实例数据库和master库,如果需要设置为只读状态,需要进行如下操作和设置:将MySQL设置为只读状态的命令(可以登录mysql执行下面
Q 题目 Which is true about the SYSTEM and SYSAUX tablespace?A. Only the SYSTEM tablespace contains data dictionary tables.B. Both tablespaces must be online for a database to be accessible.C. Both tablespaces can be used for temporary storage if no
/*iPhone5和iPhone SE*/ @media only screen and (device-width : 320px) and (device-height : 568px) and (-webkit-device-pixel-ratio : 2) { /*code*/ } /* iPhone6/7/8 */ @media only screen and (device-w
前言 最近在项目中发现了一则报错:“org.springframework.transaction.UnexpectedRollbackException: Transaction rolled back because it has been marked as rollback-only”。根据报错信息来看是spring框架中的事务管理报错:事务回滚了,因为它被标记为回滚状态。 报错原因 多层
苹果定义高分屏(retina)已经好久了,只是最近才有越来越多的网站开始重视高分屏下的表现,QQ空间也早支持高分屏了,CSS Gaga也加入了对@2x图片的支持。嗯,迟到的文章,和大家简单的分享下。 一般来说,内容类的资源并不需要对高分屏做什么优化,需要优化的是固定的图片类资源。而且
要读取cell中的值,但是,如果cell中的值是一个公式,则读取出来的是公式。有时候我们希望读取到公式计算出来的结果,可以使用load_workbook()中的data_only属性。 load_workbook()中的read_only用于打开一个大空间的xlsx文件(否则会产生MemoryError问题——内存爆了),data_only用于读取cell
Given a non-empty string s and an abbreviation abbr, return whether the string matches with the given abbreviation. A string such as "word" contains only the following valid abbreviations: ["word", "1ord", "w1rd", &
版本信息 软件版本QGCV3.4Qt5.11.0Visual Studio2015 软件架构 // main.cc内209行 QGCApplication* app = new QGCApplication(argc, argv, runUnitTests) QGCApplication在QGCApplication.h内定义。 QGCApplication是QGC数据交互的主体,QGC将相关的类在其中构造并将App作为
这个写的很好,我快写完了发现这篇,就把我的垃圾文删了一下 https://ylface.com/course/744 前提是先安装python 首先下载youtube-dl,百度一搜就有了,或者用这个 链接: https://pan.baidu.com/s/1NvPNS_jk8WH8qgfn74FjwQ 提取码: 65jb 下载完放到某个盘符根目录,比较好操作嘛 进
Many people believe that we have developed into a 'throw-away society' which is filled with plastic bags and rubbish. Do you agree or disagree? It is indeed true that everything comes at a price. We are paying through the nose in terms of envi
导入dmp文件,报 IMP-00013: only a DBA can import a file exported by another DBA 的问题 解决: 1,使用DBA用户导入,添加fromuser和touser参数; 2,赋予新建用户imp_full_database的权限 给导入用户赋予dba 权限 SQL>grant sysdba to user; SQL>grant imp_full_datab
Coupon :优惠券 The coupon is not valid if detached. Tear off this coupon and use it to get 25p off your next jar of coffee. Offer 特价 Special offer - complete set for only £5.99. You can enjoy a special offer for new subscribers. 限时优惠 The offer is for a li
报错如下: Expression #2 of SELECT list is not in GROUP BY clause and contains nonaggregated column ‘a.id’ which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by 解决方法一: 用sql查询 select
报错如下: Expression #2 of SELECT list is not in GROUP BY clause and contains nonaggregated column ‘sss.month_id’ which is not functionally dependent on columns in GROUP BY clause; this is incompatible with sql_mode=only_full_group_by 百度了很久,很多博
1. Omission is the only source of error in the second language acquisition.() Omission is the only source of error in the second language acquisition.() 答案解析 2. 发生晕船反应时,受到过度刺激的感受器有A.上半规管B.外半规管C.后半规管D.椭圆囊和球囊 发生晕船反应时,受到
系统更新启动不起来 Failed to open/create the internal network 'HostInterfaceNetworking-VirtualBox Host-Only Ethernet Adapter 禁用,启用重复操作,且勾选 VirtualBox NDIS6 Bridged Networking Driver
问题描述 在 Selenium 中,执行自动化测试任务,产生如下错误: Caught: org.openqa.selenium.WebDriverException: unknown error: ChromeDriver only supports characters in the BMP (Session info: chrome=87.0.4280.66) Build info: version: '3.141.59', revision: 'e82be7d35
firewall-cmd --help记录 [root@hostname ~]# firewall-cmd --help Usage: firewall-cmd [OPTIONS...] General Options -h, --help Prints a short help text and exists -V, --version Print the version string of firewalld -q, --quiet
响应式布局 响应式和移动端都可以实现 大屏和小屏的适配,但不同的是 移动端 是做了两个网页,一个pc端的,一个移动端的 而响应式布局是同一个网页,网页可以根据不通的设备或窗口大小呈现出不同的效果 使用响应式布局,可以使一个网页适用于所有设备 虽然在体验上 响应式 没有 移动端的那
Floating Point Math Your language isn’t broken, it’s doing floating point math. Computers can only natively store integers, so they need some way of representing decimal numbers. This representation is not perfectly accurate. This is why, more often th