undefined generate firedac cannot

OpenSSL - Generate random string

zzh@ZZHPC:~$ openssl rand -hex 64 273fabd76b8dd62621325e4b04af332dd739702ae553ffc034a4af205faedbfee21202d3808e3640770b682c151aaa8308871533572d60947724 ......
Generate OpenSSL random string

ffmpeg --- C++项目链接库接口时提示找不到定义undefined reference to

问题:使用CMake组织项目,库和CMakeLists.txt都检查过没有问题,但是在链接时就是提示找不到函数定义。 原因:项目使用的是C++,ffmpeg是C,直接include ffmpeg的头文件,因为C++和C对函数接口的解释不同,所以就找不到接口定义 正确用法: #include "std ......
undefined reference 接口 链接 项目

问题解决:在eclipse中SpringBoot启动报Cannot determine embedded database driver class for database type NONE

原因:yml文件被移除不能扫描到 解决方法: 右键项目属性打开构建路径 选择resouces所在的文件夹将排除中的东西给移除 完成解决问题 ......

"Cannot read property 'length' of undefined"报错处理

数据绑定在刚开始只是和内存建立联系,并没有真正的和后台的数据挂上钩,所以一开始的res.data只是一个空值,必须在之前加个if判断,确保有值以后再开始计算length。 if(res.data){ this.num = res.data.length; } 这样就不会在控制台显示报错了。 ......
quot undefined property Cannot length

【论文阅读】Improving language understanding by generative pre-training

原始题目:Improving language understanding by generative pre-training 中文翻译:通过生成预训练提高语言理解能力 发表时间:2018年 平台:Preprint 文章链接:https://www.mikecaptain.com/resource ......

OpenSSL - Certificate Generation

We will use the OpenSSL (https://www.openssl.org/source/) tool to generate self-signed certificates. A certificate authority (CA) is responsible for s ......
Certificate Generation OpenSSL

[Javascript] Using Generator to create a number generate with condition

const generateTimeMs = (min, max) => Math.floor(Math.random() * (max - min + 1)) + min /** * A generator which can generate numbers based on settings ......

/usr/bin/perl: symbol lookup error: Devel/Size/Size.so: undefined symbol: Perl_xs_apiversion_bootcheck

001、perl报错如下:/usr/bin/perl: symbol lookup error: Devel/Size/Size.so: undefined symbol: Perl_xs_apiversion_bootcheck 002、 ......

启动open5GS的核心网和srsLTE的enodeB时遇到报错S1-Setup failure Cannot find Served TAI

问题的场景 启动open5GS的核心网和srsLTE的enodeB、ue,遇到报错S1-Setup failure Cannot find Served TAI,导致enodeB连接不上mme。 报错信息 S1-Setup failure Cannot find Served TAI Check ' ......
S1-Setup 核心 open5GS failure Cannot

mac 下使用 brew 安装包报错 error: Cannot install under Rosetta 2 in ARM default prefix (/opt/homebrew)!

mac 下使用 brew 安装包报错 error: Cannot install under Rosetta 2 in ARM default prefix (/opt/homebrew)! To rerun under ARM use: arch -arm64 brew install ... T ......
homebrew Rosetta default install Cannot

Cannot read properties of undefined (reading 'indexOf') at VueComponent.resetField (index.js:...

Cannot read properties of undefined (reading 'indexOf') at VueComponent.resetField (index.js:1:370572) elementUI源码报错,原因竟然是form-item没加prop,折腾了一两个小时,真是服 ......

[939] Generate a new shapefile based on a list of records and query polygons from a large shapefile

ref: arcpy.management.MakeFeatureLayer(in_features, out_layer, {where_clause}, {workspace}, {field_info}) ref: arcpy.management.SelectLayerByAttribute ......
shapefile Generate polygons records based

简单例子理解 Qt 中 QObject: Cannot create children for a parent that is in a different thread. 问题

c++ gui programming with qt 中关于 QThread的用法的限制 下面这句话的翻译不清 QObject is reentrant, but there are three constraints to keep in mind: Child QObjects must be ......
different children 例子 QObject Cannot

Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?

docker-compose up -d 安装docker环境,提示一下错误:docker-compose 命令没发现。 docker compse up -d 报错: Cannot connect to the Docker daemon at unix:///var/run/docker.soc ......
daemon docker the connect running

chrome浏览器报Cannot read properties of undefined (reading 'getUserMedia')

chrome访问摄像头的时候可能报这个错误。使用https协议可以解决这个问题,如果不能使用https可以通过修改chrome配制解决。 在chrome地址栏输入chrome://flags/#unsafely-treat-insecure-origin-as-secure 在Insecure or ......

study of 'Missing data imputation framework for bridge structural health monitoring based on slim generative adversarial networks'

the Stochastic Gradient Descent (SGD):为了提高鲁棒性,SGAIN框架的优化器采用了随机梯度下降(SGD) 一,SGAIN框架有两个重要目的:鉴别器D的目的是最大化正确预测M矩阵的概率;生成器的目的是最小化D预测M矩阵的概率。此外,利用反向传播算法对发生器和鉴别器 ......

Ubuntu18.04 打开终端报错: ERROR: ld.so: object ‘xxx.so‘ from LD_PRELOAD cannot be preloaded 解决办法

1、问题现象在文件界面打开终端的时候,突然发现开头有一堆报错ERROR: ld.so: object './envlib.so' from LD_PRELOAD cannot be preloaded (cannot open shared object file): ignored.ERROR: ......
LD_PRELOAD 终端 preloaded PRELOAD 办法

Mac Os VS Code 无法升级Cannot update while running on a read-only volume.

macOS VS Code 无法升级,提示“Cannot update while running on a read-only volume“错误 提示错误如下: Cannot update while running on a read-only volume. The application ......
read-only running Cannot update volume

Error: install profile containers-default-0.50.1: generate default profile into pipe: get AppArmor version: convert AppArmor patch version: strconv.Atoi: parsing "0~alpha2": invalid syntax

Bug #2040082 “error parsing AppArmor version” : Bugs : golang-github-containers-common package : Ubuntu Bug #2040082 “error parsing AppArmor version” ......

使用ES6生成器(Generators)和redux-saga与使用ES2017的async/await和redux-thunk相比的优缺点。

内容来自 DOC https://q.houxu6.top/?s=使用ES6生成器(Generators)和redux-saga与使用ES2017的async/await和redux-thunk相比的优缺点。 目前关于redux的最新讨论焦点是redux-saga/redux-saga。它使用生成器 ......

如果函数处在非严格模式下,且thisArg的值为null或者undefined,则调用时函数内部的this指向window对象

执行以下程序,输出结果为() function a(){ console.log(this); } a.call(null); window function.call(thisArg,args1,args2...)可以调用函数function,并且让函数内部的this指向thisArg,同时传递a ......
函数 指向 undefined 处在 对象

若依分离版打包部署后找不到模块(Error: Cannot find module ‘@/views/index‘)

将store/moudules/permission.js这一块改成下面这样,注释的可以删export const loadView = (view) => { return (resolve) => require([`@/views/${view}`], resolve) // if (proc ......
模块 Cannot module Error index

train_logReg_param.o:train_logReg_param.cc:(.text+0x3407): more undefined references to `std::__throw_out_of_range_fmt(char const*, ...)' follow

001、make 编译 报错:train_logReg_param.o:train_logReg_param.cc:(.text+0x3407): more undefined references to `std::__throw_out_of_range_fmt(char const*, ... ......

/bin/ld: cannot find -lcolamd

001、make编译报错:/bin/ld: cannot find -lcolamd 002、查找该文件 (py38) [root@pc1 Augustus-3.5.0]# find / -name "libcolamd.so" ## 系统上不存在该文件; 那么解决的话就应该安装, 但是安装什么呢? ......
lcolamd cannot find bin ld

SyntaxError: Non-ASCII character 与 Cannot decode using encoding "ascii" 错误解决

转载请注明出处: python调试时遇到的两个相同的编码错误进行总结: 1.错误:Cannot decode using encoding "ascii", unexpected byte at position 具体 错误信息如下: 2.错误:SyntaxError: Non-ASCII char ......

全局window对象调用,但是window并没有这个属性则会 undefined

下面这段JS程序的执行结果是: var user = { count : 1, getCount: function(){ return this.count; } } var func = user.getCount console.log(func()) A this.count B 1 C 报 ......
window 全局 undefined 属性 对象

/bin/ld: cannot find -lmysqlclient

001、make编译 报错:/bin/ld: cannot find -lmysqlclient 002、查找相关文件 (base) [root@pc1 Augustus-3.5.0]# find / -name *libmysqlclient.so* ## lib + 提示的缺失文件 + .so ......
lmysqlclient cannot find bin ld

Maven打包项目时异常:Cannot access nexus-aliyun (http://maven.aliyun.com/nexus/content/groups/public) in offline mode and

package是报错 Cannot access nexus-aliyun (http://maven.aliyun.com/nexus/content/groups/public) in offline mode and the artifact org.apache.maven.surefire ......
aliyun nexus nexus-aliyun content offline

this指向无法传递,所以函数p的this是指向window,同时因为let声明的变量不会挂载到window上 所以是window下的a变量只能是undefined

请问以下JS代码会做什么样的输出 let a = 'w' let obj = { a: 'o', print: function() { console.log(this.a); }, } let p = obj.print; obj.print(); p(); o、undefined 官方解析: ......
window 变量 指向 this 函数