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  1418

Network - Docker for Mac container IP configuration problem

Host Mac related information {code...} Docker for Mac related information {code...} Create macvlan network and container {code...} Enter the container to view network information {code...} Problem: Unable to do so within the container Internet access, and is there something wrong with broadcast 0.0....

大家讲道理 2017-06-05 11:08:30 0  1  1263

javascript - react-router V4 component nesting

I used the react-router V2 version before, and there was no problem with routing nesting as follows: Purpose: Accessing different paths will load the Main_page component. According to different paths, these sub-components such as Abstract or React_tutorial will be rendered in the Main_page component...

代言 2017-06-26 10:50:06 0  2  893

javascript - Display document after jQuery element is found?

Purpose: Double-click any item in the pop-up box to find the corresponding input and bring the text in. Process: Double-click any item in the pop-up box to find the data-target="#agencyNameModal" of the span under the input. This value.Error: Pass $("[data-target=modalId...

PHPz 2017-05-19 10:15:36 0  2  537

javascript - js asynchronous loading and DOM execution sequence, packaging js. (without gulp and webpack)

Purpose: I want to package resources common to all pages in the project, such as reset.css, jq-ui.css, jq.js, etc., into one js, which can be called initialization js, and can only be referenced by new pages in the future. Just this js. Current situation: index.html {code...} Want to change to: inde...

代言 2017-06-30 09:58:30 0  2  880

python - How to get random data every time django calls a tag

The code for views is like this kwargs["random paragraph"] = Content.objects.order_by("?")[0].content is to randomly extract a paragraph each time and then the index is like this {code...} My purpose Every time it is called, random paragraph 1, random paragraph 2, random paragrap...

大家讲道理 2017-05-18 10:52:56 0  3  816

javascript - Questions about the association between tables and forms

As shown in the picture: Purpose: 1. Click the add button above and add a column of trtd to the table on the left. The content of the added trtd is in an object and I store it directly. (Implemented) 2. When selecting the trtd of a table on the left, you can add trtd on the right (the add button on ...

phpcn_u1582 2017-06-08 11:02:54 0  1  651

javascript - component does not update when react nested loop gets data

Purpose: Based on the found subcategory, find out its parent category and put it into it. Usage: Remove the duplicates from the parent category field in the subcategory and put it into par_arr, then traverse par_arr to get the parent category, and then insert the result into the collection of the su...

女神的闺蜜爱上我 2017-06-12 09:24:20 0  1  699

javascript - Can't match the regular expression of js forward pre-check?

Purpose: Remove the spaces to the right of the curly braces. The following can be done: //The first var a = "I am a space {I am a parameter}. There are spaces in front of me {I am a parameter}. The spaces in front of me do not match";hand_trim1(a);function hand_trim1(str){ { Code...} } //T...

代言 2017-06-26 10:56:06 0  1  830

symfony - How to use leftJoin and Join in table association in createQuery

Relationship between three tables {code...} Purpose: I want to find all a data without c data Example: Police Li (a) has three guns (b) Each gun has bullets (c) I want to find is the policeman without bullets. Add the three guns of Police Wang, two of them have no bullets, but one gun has bullets...

習慣沉默 2017-05-16 16:44:41 0  1  517

Fixed issue with navigation bar content overflowing to the right on mobile landscape view.

Finished my navigation bar on PC and shared the code to my iPhone for landscape and portrait viewing. In landscape, the navigation bar overflows to the right. Added env(safe-area-inset) value for non-blocking purpose view, but overflows on the right side. Can't seem to find the problem. The horizont...

P粉268284930 2023-09-06 09:24:34 0  2  721

How to create a satisfying web design

It cannot display my own designs. I want to create a redesign. Creating a web design is a multifaceted process that requires aesthetics, functionality, and user experience to be seamlessly blended together. It starts with a deep understanding of the website’s purpose, target audience, and brand. A w...

P粉908643611 2023-08-10 17:09:33 0  1  557

The gap between experts and porters - the power of learning methods

Learning is a commonplace issue, especially in today's context where Internet technology is iterating faster and faster and competition pressure is increasing. Learning has become an essential skill for "natural selection and avoiding elimination" in the social ecology. Although learning r...

GavinHsueh 2018-06-14 16:01:02 0  3  1061

PHP Chinese website large-scale live broadcast public welfare free class registration post. . .

PHP Chinese website’s free public welfare live broadcast class in June is facing 6.18. Instead of frantically buying your hands, it is better to study quietly. We have carefully prepared two free live broadcast courses for you: 1. One-week introduction to Web front-end development 1. Course name: [X...

PHP中文网 2018-06-04 13:03:08 32  848  64435

Ways to fix issue 2003 (HY000): Unable to connect to MySQL server 'db_mysql:3306' (111)

I recently tried to containerize my FastAPIPython server (also for replication/doubling purposes). Before, I had just a MySQL server in a Docker container and everything was fine, but when I also made my web server a service, it couldn't connect to the MySQL server, so now the application doesn't wo...

P粉178132828 2023-09-05 11:18:47 0  1  851

Experiment with sorting after query limit

So this is my first question here, please forgive me if something is wrong. I'm trying to make a sort query based on constraints. So there is a Customers table with 90 records. I want to first perform a query limited to 3 records, and then sort the results of this query by a column called ContactNam...

P粉237125700 2023-09-05 14:46:42 0  1  739

CSS Grid: Create new row when child content overflows column width

I have a two column layout based on CSS grid. When the content of the second column exceeds 1fr I want to create a new row. As it currently stands, the content simply overflows the column. One requirement of this layout is that the items in the right menu column are in one row. I achieve this with: ...

P粉212114661 2023-09-05 15:18:28 0  1  631

PHP full text search functionality using AND, OR and NOT operators

Newbie question: I'm trying to implement a full text search on a search string using php and eloquent. $searchstring="+(victimsuspect)+crime-covid";$searchresult=RssItem::whereRaw("MATCH(description)AGAINST('$searchstring'INBOOLEANMODE)")->ge

P粉076987386 2023-09-05 15:06:32 0  1  602

Shortest way to convert all PHP types to string

I'm writing a general system that I hope can one day be applied to fields like medicine (i.e. it's "scientific"). I think the best way is to represent all the data in php with strings (true will be "true", false will be "false" and so on). The reason for this is that in...

P粉369196603 2023-09-05 15:34:44 0  1  1018

How to get average of DATETIME column in MySQL while grouping by other columns

I'm creating and populating a MySQL table using the following query: SETtime_zone='+00:00';CREATETABLEtimestamp_n_datetime(idINT,timeDATETIME,avg_timeDATETIME);INSERTINTOtimestamp_n_datetime(id,time,avg_time)VALUES("1","2023-01-0310:

P粉460377540 2023-09-05 11:46:21 0  1  521