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Semiconductor

Some of the properties of semiconductor materials were observed throughout the mid 19th and first decades of the 20th century. Developments in quantum physics in turn led to the development of the transistor in 1947, the integrated circuit in 1958, and th

The development prospect of SAP consultants in China in the next decade

The development prospect of SAP consultants in China in the next decade I have been engaged in the sap consulting industry for more than 15 years, and I still maintain the optimistic, expectation and vision for the SAP consulting industry and the SA

Customers, markets and applications

Customers, markets and applications Dr Keivan Aghasi, Cambridge Judge Entrepreneurship Centre Technologies can potentially be of interest to various market segments and different customers. Given the limited availability of resources, the company needs t

get_industry - 查询行业股票列表

函数原型: get_industry(code) 参数：参数名类型说明 code str 行业代码不区分大小写返回值: list返回指定行业的成份股symbol 列表示例： #返回所有以J6开头的行业代码对应的成分股(包括:J66,J67,J68,J69的成分股) get_industry(code='j6') 输出: ['SHSE.600000',

SAP MM41 收到报错：Retail materials cannot be maintained.

SAP MM41 收到报错：Retail materials cannot be maintained in the industry system 试图执行事务代码MM41/MM43,收到如下报错： Retail materials cannot be maintained in the industry system Message no. MH194 Diagnosis Your system is not defined as an SAP Retail

IPFS (2) 系统技术架构

1. 模块组成 2. Storing content in IPFS 3. Data sharing on IPFS by owner 【参考】 [1] "5G, Blockchain and IPFS: A General Survey with Possible Innovative Applications in Industry 4. "

STATA学习笔记：缺漏值的处理

STATA学习笔记：缺漏值的处理 1. 缺漏值的标记 stata中缺漏值默认标记为"." ".“是数值，且是一个大于任何自然数的数值【注意】 sum、generate等命令，会自动忽略缺漏值 count、keep等命令，会将缺漏值”."视为无穷大的一个数值 2.将其他缺漏值的标记转化为"." mvdecode命令常见缺

C的一些标准

一 MISRA（Motor Industry Software Reliability Association）：参考教你MODBUS程序符合MISRA规则注释：要达到20% 参数，返回值要求：指针，数组要求：

[论文详读2]Intelligent Manufacturing in the Context of Industry 4.0: A Review

文章目录前言一、介绍二、主要概念1.智能制造2.物联网驱动制造3.云制造4.比较前言这篇文章以德国工业4.0为背景，详细介绍了智能制造中的一些技术和一些国家的发展状况。涉及到智能制造、物联网、云制造等，同时分析了这些技术的异同点。这篇文章也介绍了一些关键技术：物

Salesforce LWC学习(二十九) getRecordNotifyChange（LDS拓展增强篇）

本篇参考： https://developer.salesforce.com/docs/component-library/documentation/en/lwc/data_ui_api https://developer.salesforce.com/docs/component-library/documentation/en/lwc/data_guidelines https://developer.salesforce.com/docs/component-library/documentati

厉害了！打工人用Python分析西安市职位信息

在上一篇博客中，我和大家分享了整个11月份找工作的心路历程，而在找工作的过程中，博主发现西安大小周、单休这种变相“996”的公司越来越多，感慨整个行业越来越“内卷”的同时，不免会对未来的人生有一点迷茫，因为深圳已经开始试运行“996”了，如果有一天“996”被合法化并成为一种常

反爬虫，非标准的json格式解析

反爬虫，非标准的json格式解析今天写爬虫的时候，发现有一些数据都是通过非标准的 json 格式进行传输的，标准的 json 我们可以将其转化为 Python 中的数据类型，进行查询，但对于一些类似于 json 但又非标准 json 格式的字符，就会比较头疼了。例如下面这样 hxbase_json1({ list: [ {Number

php 使用PHPExcel 拓展上传文件

public static function ImportExcel($door_id) { set_time_limit(0); //解决上传超时 @ini_set('memory_limit', '512M'); // 解决上传内存不够 $self = new self(); //导入excel $addFile=$_FILES['file'];

[转帖]The Fossil Fuel Industry Will Probably Collapse This Decade

The Fossil Fuel Industry Will Probably Collapse This Decade https://rhsfinancial.com/2020/02/12/future-fossil-fuels-collapse/ Previous Next View Larger Image It’s 2020! We’re officially living in the future! And if retro sci-fi stories

S7-1200 对 V90 PN 进行位置控制的三种方法

V90 PN 的 GSD 文件，下载链接: https://support.industry.siemens.com/cs/ww/en/view/109737269 随后通过 “选项”菜单的“管理通用站描述文件（GSD）”进行安装。 https://support.industry.siemens.com/cs/cn/zh/view/109746528 此种方法需要调用驱动功

Analysis of the current development of CBB capacitors

Analysis of the current development of CBB capacitors Nowadays, CBB capacitors are the new era of alternating old models in China. In the process of upgrading from low-level technology to high-level, from simple goods to advanced goods, production is more

Codeforces Round #189 (Div. 1) C - Kalila and Dimna in the Logging Industry 斜率优化dp

C - Kalila and Dimna in the Logging Industry 很容易能得到状态转移方程 dp[ i ] = min( dp[ j ] + b[ j ] * a[ i ] )，然后斜率优化一下。一直以为炸精度了，忽然发现手贱把while 写成了if 。。。。 #include<bits/stdc++.h>#define LL long long#define fi first#define se se