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Summary of Windows programming for RS232 serial port

Once again, an introductory essay, with the various gods retreating. Getting straight to the point, it's not a history lesson, so I won't pose the stories about those past lives of the RS232. Hardware Link……

If you know, know, make a flag for yourself in the new year with big data

Knowing what you know, what kind of flag should you set for yourself in 2019? Will it be a promotion or a raise? Looking back on your 2018 what changes have you made? What progress has been made? How do you go……

Frontier| MIT develops dedicated chip for neural networks: 95% lower energy consumption, suitable for mobile devices

From MIT News By Larry Hardesty Compiled by Heart of the Machine Participation: Lu Xue, Liu Xiaokun Recently, MIT researchers developed a specialized chip that can increase the speed of neural network computat……

Musk: The tide is turning and Ford won't live long

kicker gang Just for you who love cars! guide (e.g. book or other printed material) There's a good chance Ford won't survive the next recession. -- Ehlohim Musk Yes, those are Musk's exact words, "There's a go……

Greenplum Concurrent Performance Testing

Greenplum Concurrent Performance Testing table of contents Greenplum Concurrency Performance Test 1 1 Cluster hardware information 1 2 Test JAVA code download 2 3 Single-Table Single-Threaded Write Data Perfor……

Android and iOS UI Testing with Calabash

preamble Because of various things, this piece that belonged to last week dragged on to just today, a piece on mobile test (machinery etc) Tool Calabash's article, looking at the relatively small size, was acc……

Blockchain and 5G brothers have created something that has the public unnerved

Blockchain and 5G are two of the hottest "brothers" this year, and they've been out to make things happen lately. Figure : Blockchain Blockchain has features such as decentralization, immutability, consensus m……

domain name" maxillary canine"HY.com And now it's changed hands.?

Not long ago it was reported that DO.com, 380.com and other such top-level domains changed hands, and recently another 2-character domain, HY.com, also changed hands.   According to the query whois info……

Installing and setting up Redis on Windows

Redis is officially supported for Linux, there is nothing to say about installation and use, and ordinary use can be done in less than 5 minutes according to the official instructions. For more information, pl……

Stretching trees

I didn't get it. Read it a few more times. 1 Introduction. Stretching trees,Or adaptive lookup trees, is a simple and efficient data structure for holding ordered sets。 Stretching trees is essentially a binar……

Samsung global network equipment 20% share, it just shouting slogans, Huawei we are not afraid

Samsung as a company is really favored in South Korea and even has a domestic protection program in the country. A lot of the populace uses Samsung, especially since You Who Came From the Stars and Descendants……

Using bootstrap-Validator to validate forms

Front-end UI framework choice bootstrap, then bootstrap-Validator as a form validation is a good choice. The following assumes that the UI framework is bootstrap. Introduction of dependency The first: the che……

How to predict the next hot spot with AI technology?

In the age of infotainment, everyone wants to grab the fastest hotspots and take down 10w+ pop-ups If you want to achieve your goal, you need to spend a lot of time searching for information, but after a lot o……

Blink.com's domain name strength steals the show with strategic investment

近日,上市公司柏堡龙战略入股国内新一代设计师原创服装o2o电商平台眨眼网。图:眨眼网  广东柏堡龙股份有限公司在深交所发布对外投资公告称,将投资600万入股赢王科技,取得赢王科技10%的股权,用于原创服装设计师的培养和供应链的支持,力求为客户提供更加专业贴心的服务。  眨眼网(zhayanwang.com)是嬴王科技旗下一个定位于全方位全产业链的独立设计师服装集合平台,集设计师时尚产品销售展示、品牌推广于一体,主要为……

JavaWeb's Understanding HibernateAndMyBatis

In JavaWeb development, the most classic is the SSH framework portfolio and SSM framework portfolio, now many IT companies are willing to use SSM, for here H and M that is, Hibernate and MyBatis, today simply ……

Multicollinearity treatment - stepwise regression

Reblogging is a motivation Sharing is a virtue The previous article provided a detailed description of the discovery and testing of multicollinearity. Next we talk about the methods commonly used for multivari……

Interview with Cloudera CTO: Big data startups, stop being the underlying infrastructure platform

Reprinted from 36kr on request Author night leaf A few years ago, big data is still only an emerging concept, and now the data has become the meat and potatoes of the industry and the company's eyes, from t……

Configure sqlnet.ora to restrict IP access to Oracle

--========================== -- Configure sqlnet.ora to restrict IP access to Oracle--========================== together withFirewall-like features,Oracle provide constrain together wi……

P1991 wireless communication network

Description of the title The Ministry of Defence plans to connect several border posts with a wireless network. 2 different communication technologies used to build wireless networks. Each border post is to be……

A First Look at Vim

They say Vim is the god of editors, and have always found vim's coding very cool~ But as an editor god, but has maintained a very condescending posture, unlike opening a notepad, a person with a normal IQ can……

2018-11-2210 Common Shell Scripts Written for Real-World and Interviews

caveat emptor 1) Add interpreter at the beginning: #!/bin/bash 2) Grammatical indentation, using four spaces; more comment notes. (3) Naming rules are recommended: variable names are capitalized, local v……

Basic elements and structure of computer networks what is a computer network elements of computer networks services of computer networks protocols of computer networks structure of computer networks

What is a computer network Elements of a computer network Protocols for computer networks Services of the computer network Structure of computer networks What is a computer network A computer network is a com……

Write your own crawler to monitor WeChat public

Background knowledge required And of course, going over the wall is a must Because of the use of Let's use your own public website as an example The first step is to get the entrance linkThe public search for ……

Blockchain equals overnight riches?

Blockchain technology is considered to be the next generation of disruptive core technology after the steam engine, electricity, and the Internet. Blockchain explained in one sentence One day, you promised you……

Simultaneous access to multiple different databases in JavaSpring

When developing enterprise applications we often encounter the problem of having to access multiple different databases at the same time, sometimes when we have to archive data into some kind of data warehouse……