Old madman

The difference between the original parts and the auxiliary parts and the disassembled parts in the auto parts industry

There are thousands of parts on the car. Different brands of cars use different parts, even the same brand of car series. There are also differences in age and configuration. If a part of the car is damaged and needs to be replaced, then you will be involved in the classification of some parts. All accessories are mainly divided into these categories from purchasing channels:

December 27, 2019 knowledge No comments Like 2 Read 66 times read the whole passage

Count the frequency of high frequency words with Excel

Use Excel PivotTable function to count the number of keywords and which keyword appears the most. For example, there is a table with the title of "Zhang San" and "Li Si" with the same name. In the picture below, how many times do you want to count the word "skirt" in the keyword column? 先选择关键词这一列，然后点击“插入”-“数据透视表” 会弹出下面的窗口，默认就行，直接点击确定 接下来会跳转到新的工作表中，把“关键词”...

July 23, 2019 knowledge Comment 1 Like 10 Read 4648 times read the whole passage

How to download papers such as HowNet Wanfang Data for free

Sometimes I'm eager to use papers, but if I'm not a college student, how can I download them for free? This paper introduces a method to download papers for free, which can be downloaded online without any software. Note: Alipay sesame credit points need to reach 550 points or more to use! First, search for "Zhejiang Library" on Alipay's home page, and then pay attention to the life number. Second, click "service" - click "my account" in the dialogue and chat window, and then select "apply for reader card". Step 3: set the password (digital password

April 4, 2019 knowledge 2 comments Like 2 Read 1903 times read the whole passage

What is the meaning of TTL in Ping result?

When we use the ping command, we usually pay attention to the value of time = MS, but ignore the value of TTL. Every time we Ping different IP, the value of TTL is different. What is the reason? What is TTL and what's the use of it? What is TTL? . Suppose that there is a domain name myhost. Symbols. Com (in fact, this is a DNS record, usually expressed in symbols. C

February 26, 2019 knowledge No comments Like 1 Read 759 times read the whole passage

I'm confused. I don't know what to do

What should people do when they are confused? Do two things, take it and let it go. First of all, it should be fully contracted. Stop all the things you don't have to do, and take back your time and energy. You'd better empty your mind than study and have fun. Being confused is not having nothing to do, but doing something meaningless. Stop if there is no meaning. Make time for your body and mind to return to normal. Confusion will make you anxious, let you sleep late, let you eat more, let you can't wait to fill every inch of leisure, make you physically and mentally exhausted, make you dissatisfied with yourself, make you more anxious

February 24, 2019 knowledge No comments Like 0 Read 336 times read the whole passage

Share two special search engines, Shodan and zoomeye

Shodan and zoomeye, the former foreign, the latter domestic, two special search engines, they and Baibu Google This kind of website search engine is different. It can be used to search online devices in cyberspace. You can search for specific devices or specific types of devices through them. The most popular search contents are: webcam, Linksys, Cisco, Netgear, SCADA, etc. Basic usage

February 23, 2019 knowledge No comments Like 0 Read 1207 times read the whole passage

What is the telecom cn2 direct line and how to look at the traditional 163 backbone network line

For China telecom customers, the common lines are divided into traditional 163 lines and optimized cn2 lines, while cn2 lines are divided into cn2 GT and cn2 GIA lines. Their speed difference is certainly faster and faster, the following three kinds of carrier networks of telecommunications. The three bearer networks of Telecom are the traditional 163 backbone network, cn2gt line and cn2gia line. The following introduces the concepts and differences of these three bearer networks: traditional 163 backbone network, cn2gt line and cn2gia line

January 10, 2019 knowledge No comments Like 9 Read 3964 times read the whole passage

Alicloud Wannet domain name transfer to nameilo tutorial

There is no charge for domain name transfer out, but the transfer to a new domain name registration service provider needs to be renewed for one year. It costs $8.39 to transfer to nameilo. It's also good to renew the domain name for one year if it's less than 60 yuan. It's more than this price to directly renew the domain name in Wannet! Domain name transfer out is expected to be completed in 5-7 days. During this period, it is not possible to modify the DNS domain name. This should be noted! If you need to modify the a resolution, there is no problem. In the background domain name management, click Manage after the domain name that needs to be transferred out. 2

December 14, 2018 knowledge No comments Like 2 Read 1370 times read the whole passage

Efficient and practical search engine using search skills

1. Filter unwanted keywords we sometimes want to search for a result that doesn't contain a certain keyword, so we can use "-" to remove, for example, I want to search for the "growth skill treasure" without the keyword "Li Yunjing" search: growth skill treasure - Li Yunjing (the minus sign means to remove) ; 2. Parallel precision search if you want to search two keywords at the same time, but these two For example, I want to search for two keywords: Li Yunjing and growth skills treasure. I can input: Li Yunjing, growth skills treasure, as shown in the following figure

February 5, 2018 knowledge Comment 1 Like 0 Read 238 times read the whole passage

Taobao baby Title Optimization Search for high weight words in the title

Today, let me talk about the first topic: the basic writing principles of a good title. As we all know, exhibition, click through rate, conversion rate and repurchase rate are the four most critical factors that determine the quality of a store. A good title, can maximize the keyword ranking, that is to improve the number of times. The purpose of our title is to realize that the new product will have flow in the first week and burst in the second week. As we all know, a title has 30 characters and 60 characters. How to make good use of these 30 characters is a great learning. People know the weight of Taobao

April 18, 2016 knowledge Comment 1 Like 2 Read 490 times read the whole passage