调试经验——如何查看Oracle自定义函数 (How to view definition of user defined functions in Oracle)
问题描述:现有的Query中似乎使用了一个自定义函数String_to_list,为了排查问题,需要查看这个函数的定义。方法: --新建的function,并未保存在All_ojbects表中,而是保存在user_objects表中SELECT * FROM ALL_OBJECTS WHERE O...
How to read very large text files fast
QuestionDoes anyone know the fastest way to read large text files (10Mb) into a string.Readln is just too slow.Answer 1You may try this:function R(con...
如何在Mac上安装pygame(How to install pygame on Mac)
如果按照《python从入门到实践》来操作可能会出现下图的情况在python从入门到实践中的安装教程存在一些错误,因此找了一种可行性和适应性更好的安装方式。在mac终端中输入sudo xcode-select --install再输入python shouei$ python get-pip.py然...
How to Install PhantomJS on Ubuntu 16.04
IntroductionPhantomJS is a scripted, headless browser that can be used for automating web page interaction. PhantomJS is a free, open source and distr...
How To Install Cacti On Ubuntu 14
How To Install Cacti On Ubuntu 14.04/14.10by anismajCacti is an open source web based network monitoring tool front-end for the data logging tool call...
(转) How to install eclipse in ubuntu 12.04
源地址:http://www.krizna.com/ubuntu/install-eclipse-in-ubuntu-12-04/Eclipse installation in ubuntu 12.04 is very simple . you can install eclipse using “...
How--to-deploy-smart-contracts-on
The following smart contract code is only an example and is NOT to be used in Production systems.pragma solidity ^0.4.11;/** * Math operations with sa...
How back-Propagation works
In order to minimize the cost function, we expect small changes in weights lead to samll changes in output. So we can use this property to modify weig...
How does rt.jar works?
转载自:https://stackoverflow.com/questions/30222702/how-does-java-link-lib-rt-jar-to-your-app-at-runtimeThat rt.jar is part of the bootstrap classpath, a...
How to install teams in ubuntu-Download deb file
download link: https://mirrors.sdu.edu.cn/spark-store-repository/store/office/teams/
Rust教程:How to Rust-从开始之前到Hello World
本文为第0篇 专栏简介 本专栏是优质Rust技术专栏,推荐精通一门技术栈的蟹友,不建议基础的同学(无基础学Rust也是牛人[手动捂脸]) 感谢Rust圣经开源社区的同学,为后来者提供了非常优秀的Rust学习资源 本文使用: 操作系统macOS Sonoma 14 / Apple M1编译器:Rust...
【READ MORE】How to Balance Work and Leisure
Just as the saying goes, “…”, which illustrates (举例说明)…the importance and necessity of keeping a balance between the two.fast-paced work culture 快节奏的工...
如何挂载一个镜像文件(how to mount an image file)
如何挂载一个镜像文件(how to mount an image file)08/16/2012master 4 Comments 在使用KVM或Xen虚拟化的情况下,经常需要使用镜像文件(image file),我们可以将Guest系统启动起来,然后对镜像文件进行修改,不过这样有时也是比较麻烦,...
How to Build a Model – 2(如何构建一个模型-2)
OverviewThe AgentThe ModelInfrastructure and Representation VariablesRepast Templa...
【Python】使用numpy进行神经网络激活函数算法描述-三、How
3.1 准备工作 3.1.1 安装numpy和matplotlib 1、打开偏好设置 2、选择工程文件,选择Project Interpreter,点击+号 3、搜索numpy,点击Install Package 4、稍等片刻,IDE底部会有状态条提示,安装...
HOW TO:使用 C# 检测应用程序是否已停止响应 (From MSDN)
本文的发布号曾为 CHS304991 本文讨论一种 Microsoft 产品的 Beta 版本。本文中的信息按"原样"提供,如有更改恕不另行通知。对于该 Beta 产品,Microsoft 不提供正式的产品支持。有关获取对 Beta 版本的支持的信息,请参阅 Beta 产品文件中包括的文档资料,或查...
How to install a specific version of a package in R
How to install a specific version of a package in R 在使用R语言完成数据分析的过程中,很多时候,因为项目实际需要,我们应该指定某些库文件的安装包的版本,这个时候,我们可以基于devtools包中的函数install_version来完成。...
How To Download Youtube Videos Without any software - 暖风的风
How To Download Youtube Videos Without any software https://www.quora.com/What-is-the-best-...
【HOW】如何在Outlook中配置微软域名邮箱 - FryFish
在Outlook中配置微软域名邮箱的步骤如下:1. 在Outlook 文件 选项卡中点击“添加账号”。在弹出窗口中选择“手动设置或其他服务器类型”,并点击下一步。2. 选择“Outlook.com 或 Exchange ActiveSync 兼容的服务”,并点...
HOW TO:解决与“HTTP 500 - Internal Server Error”(HTTP 500 – 内部服务器错误)错误信息有关的问题 - Jasmine
HOW TO:解决与“HTTP 500 - Internal Server Error”(HTTP 500 – 内部服务器错误)错误信息有关的问题 概要&nb...