Partition using multiple fields and get the same grouping number in each partition

I have a dataset that looks like this: Car Type Date Car Honda May 28, 2022 Car 1 Honda May 28, 2022 Car 1 Honda August 11, 2022 Car 2 Honda August 11, 2022 Car 2 BMW May 28, 2022 Car 1 BMW May 28, 2022 Car 1 BMW August 11, 2022 Car 2 BMW August 11, 2022 Car 2 I want to create an additional using ro...

P粉311423594 2024-02-25 22:59:56 0  1  311

Python - Faced with a string containing garbled characters, how to remove the required information

This is the train information that I saw based on the network on 12306. In order to prevent crawlers, he set up garbled codes. What should I do to find information such as train times from the garbled codes?

过去多啦不再A梦 2017-05-27 17:39:48 0  1  781

How can I make separate modals with different descriptions?

I'm making a car dealer website and when the user clicks a button below a picture of a car, I want the modal to display only information about that car. So far I have successfully created multiple modal buttons, but they all display the same information. How can I create separate modals with differe...

P粉832490510 2023-08-17 16:25:08 0  1  480

How to fill an array with JSON objects?

I have a file parts.json which is a JSON file containing an array of objects representing some vehicle spare parts

P粉470645222 2023-07-20 12:47:05 0  1  421

In MongoDB, how to aggregate the data that records location information and query it to get the results?

Vehicle monitoring project records vehicle GPS positioning data. When we inspected highways in Zhejiang Province, the GPS heat map showed that the result became like this, as shown in the figure: In MongoDB, the format of stored data is as follows {{Code... } } After querying, the json format return...

某草草 2017-06-14 10:54:45 0  2  941

javascript - What is the idea of ​​implementing a JS moving car?

My personal idea is to obtain the coordinates of the mouse and the coordinates of the car when clicking, calculate the angle tan between the straight line formed by these two points and the X-axis, and use setInterval() to increase the X-axis direction of the car by 1px and the Y-axis every millisec...

仅有的幸福 2017-05-19 10:17:49 0  4  664

How to pass parameters from client to server callback, store data in array and send it back to client

I want to send the vehicle variable from the client to the server callback where I will verify if the person with the steamid owns the vehicle he is trying to open and if he does then all the license plates he owns will be saved in an array, and sent back to the client. How to pass parameters from c...

P粉785905797 2024-04-03 13:05:29 0  1  428

How to use axios vue.js to use api

I have a list of car brands with radio buttons, how can I get a range of car models from the server and display them on a new page after selecting a brand? What specific actions are needed to do this? Thank you very much for reading this article<script>exportdefault{name:'Brands',data(){return...

P粉277824378 2024-02-25 18:41:54 0  1  416

"Filter" huge MariaDB/Mysql tables based on different tables

Processing large datasets in my mariaDB database. I have two tables, Table A contains 57 million rows and Table B contains about 500 rows. Table B is a subset of ids related to columns in Table A. I want to delete all rows without corresponding ID in A table B. Example table A: classification_id nam...

P粉287345251 2023-09-07 10:51:26 0  2  577

javascript - How to solve the js mouse wheel event problem

When using jquery, the mouse wheel can be triggered regardless of the height of the body (please scroll the wheel under the result for the following address) https://jsfiddle.net/shannon9/37fj5Lbs/embedded/ When using native js, When setting the height of the body (rolling appears...

PHP中文网 2017-05-19 10:09:15 0  1  389

How to wrap items to always have at least 2 items on the last row?

Image Question My client of course wants to list vehicles on his website in a responsive manner. But all known techniques (flex, grid) wrap the last item to the next row. What I tried to do with the pictures but for the hero, it's extremely ugly. The client wants: A maximum of 5 items per row A mini...

P粉023650014 2023-09-11 16:49:22 0  1  634

javascript - Can drag-and-drop layout not be implemented on the mobile terminal?

If you swap the first div and the second div on the mobile side, the body will scroll down. I don’t have any ideas at the moment and I don’t want to reinvent the wheel. Is there any effect like http://www.jq22.com/demo/drag...? {code...}

曾经蜡笔没有小新 2017-06-28 09:29:02 0  4  949

javascript - Select a tag, add class style to the selected tag, and delete class style to sibling elements

Click a label to add a class style to it and delete the class style of its sibling elements. //Click event, $(".user-menu li a").click(function(){ {code...} }); //Tag, there is an a tag in the li tag, initially only the collected vehicles have it Style,,I don’t know why it can’t be display...

黄舟 2017-06-12 09:20:42 0  3  859

javascript - bcrypt.compare is used to verify passwords in Meteor. How to modify global variables in the callback function?

For example, in the process of reinventing the wheel, I use bcrypt.compare on the server side for password verification. I want to modify the global variable info in the callback function. How to achieve this? The code I wrote is as follows: {code...} console.log(info); the printed content is undefi...

过去多啦不再A梦 2017-05-16 13:45:27 0  1  838

The purpose and docking analysis case of the Express Bird logistics order number identification query API interface

1. Background Introduction The trading model of commodities has undergone changes in the past few decades: walking to the nearest small market for trading - riding to a distant large market for trading - taking a car or driving to a large shopping mall in the city for trading - Online transactions (...

昨日青空 2019-09-05 18:09:00 0  0  1369

java - Gaode map displays the obtained longitude and latitude in real time

I need to display a vehicle on the map in real time. The device will continuously upload the longitude and latitude information every few seconds, and then the server will return to the app. My current idea is to refresh it regularly, then jump to it with the maker click, and then add a line in the ...

ringa_lee 2017-05-16 13:26:49 0  3  1054

The search contains only results for the submitted search input value.

I have a search function that retrieves data about vehicles from a database using three types of search inputs and a submit button. Input 1 is a choice list search (searcha), input 2 is a text search (searchb), and input 3 is a two radio button selection (selecti).

P粉541551230 2023-07-25 09:17:02 0  1  529

Search between two date ranges

I'm developing a car rental system where people can book a car in this page. So I need to know how to search using the customer's date range (rental and return) from the booking table. I have this table: CREATETABLE`autos_bookings`(`id`int(11)NOTNULL,`booking_id`int(11)NOTNULLDEFAULT'0',`auto_id`int...

P粉884548619 2024-04-03 11:56:15 0  1  504

html - Using setInterval in jquery to make gears scroll in a loop

There is a gear. The animation we are making now is that the scroll event will be triggered when the mouse is hovering. The animation we want to make is that after the page is loaded, the gear will roll out and back again after a period of time. Both right scrolling and left scrolling can be achieve...

習慣沉默 2017-05-16 13:25:04 0  3  810

Questions from a 23-year-old idiot who went astray

I have a junior college degree, majoring in automobile assembly. I originally wanted to learn a skill that I could make a living from, but after I got out of junior college, it was better not to go to college. I studied for two or three years and then worked as a porter or something that everyone ca...

phpcn_u230541 2018-06-19 14:55:13 0  3  1424