Laravel: filter and group based on created_at and sum costs

Based on the table below I want to get all the records on the created_at column grouped by month and sum the cost month for each record. Hope I can explain it.

P粉314915922 2023-09-10 00:05:56 0  1  445

javascript - The webapp business process is basically the same, multiple sets of themes (the styles are basically different, and the interactions are slightly deviated) are managed, and there are constantly new themes. How to design a componentized architecture?

Business scenario: A set of single-page applications. Since it needs to connect to different partners, the UI needs to be adjusted. Sometimes some interactions need to be changed, but the entire process is basically the same. Currently, I plan to use Vue to reconstruct the project, and have extracte...

曾经蜡笔没有小新 2017-05-24 11:36:22 0  2  884

Why did I make an error when introducing the basic class in the index controller when I wrote the same basic class as my teacher?

Why did I write the same basic class as my teacher and got an error when introducing the basic class in the index controller? Class 'think\controller' not found

我的世界充满阳光 2018-01-02 19:27:56 0  2  1454

javascript - In the vue.js component development model, how to make the style only apply to this component and its subcomponents.

If scoped is used, the style can only affect the current component but not its sub-components. Sometimes due to design problems, there are a lot of styles shared between different sub-components. I would like to ask an expert if the style can only be applied to this component and other sub-component...

怪我咯 2017-05-18 10:51:18 0  1  985

Generate multiple NextJS components

I'm learning NextJS, and I want to create a website that showcases multiple projects I've created with NextJS. I have a component called "Tag" which is a button template with custom text and I want to pass it via props: export default function Tag({val}) { return ({val}) } Then, in In my B...

P粉513318114 2023-07-19 18:17:07 0  1  609

javascript - Is there a plug-in for multi-select drop-down grouping based on vue?

Then the UI framework I used was element-ui1.2.9 and found that it did not provide such a component. Let's see if there is such a multi-select drop-down grouping plug-in based on vue!

PHP中文网 2017-05-19 10:20:09 0  2  593

Generate 2 tables based on 2 separate javascript arrays

I'm trying to build 2 html tables from 2 different JavaScript data arrays. The first table is built fine and the structure looks great, but the second table is not populated with data. I tried adjusting the naming but I think because it's looking for "tbody" both times. Is there another va...

P粉237647645 2024-02-26 21:12:10 0  2  402

WebStorm: Import Vue 3 script settings component

Is there a way to automate imports and code completion in WebStorm so that using it with Vue3 components works correctly? Because I'm having some trouble: Let's say I have a component called FooBar.vue: <scriptsetuplang="ts">import{ref}from'vue'constcounter=ref(0)</script> Now ...

P粉321584263 2024-01-01 08:54:19 0  1  451

How to conditionally merge two arrays into a two-dimensional array?

I encountered a small problem. The two arrays can be merged so that they can be quickly written into the database, but no matter how they are merged, it is not ideal. I would like to ask. Arrays 1 and 2 are composed of the same key, and the keys are changed to array1 and raary2. Can you please help,...

P粉925529649 2023-02-26 10:20:56 0  1  559

javascript - When a standard array pushes an object, why does it become an array-like object?

When pushing an object into the array, in principle it is the same json object as marked in the picture below, but the printed object changes and becomes an array-like object. May I ask what is the reason. Is there any way to solve this problem. make it a json

阿神 2017-05-19 10:13:30 0  6  1093

javascript - Algorithm question: Take n elements from an array to generate a new array. How many can be generated?

For example, if you take the array [1,2,3] and take 2 elements to generate an array, there will be three situations: [1,2], [1,3], and [2,3] (the same numbers are counted as one, for example [1,2] and [2,1] are considered the same), please implement it, preferably js? Please give me more advice!

某草草 2017-05-18 10:55:51 0  2  563

Custom textbox on Antd Select component

I want to give the user the ability to add custom text if the choice they think is appropriate is not among the options shown in the "Select" option. I have successfully created a custom text field but getting the user input and setting it as the value of the select component is becoming a...

P粉790187507 2024-03-30 11:16:20 0  1  516

javascript - How to generate an array using js.

The array should be in the format of shuzu[{a:1,b:1},{a:2,b:2}]. It is to use a loop to generate key values ​​and value values.

巴扎黑 2017-06-28 09:24:16 0  4  790

php - Since foreach operates on a copy of the original array, why can it still change the original array when written like this?

The foreach loop uses a copy of the original array. Why can the original array be changed after reference assignment? {Code...} This section can prove that the foreach operation is a copy of the original array, and the original array was lost in half during synchronization. On the way, the internal ...

三叔 2017-06-22 11:53:30 0  4  1098

Update React page in class-based component without using useState.

I'm using React's class-based component to display all the tokens first. Then I want to display two texts with span ids at the same time regardless of order, using the previous and next buttons to re-render the page. There will be *(n-1) possibilities for re-rendering the page.

P粉739886290 2023-08-03 21:16:09 0  1  662

javascript - Why does vue fail to use component dynamic components?

1. Why does dynamic addition of components using component fail? &lt;template&gt; {code...} &lt;/template&gt;import modal from './company/modal.vue'export default { {code...} } Why Component first can be added dynamically,...

仅有的幸福 2017-05-31 10:39:56 0  2  809

javascript - How to turn an array into a negative number in php

1. I have an array array(1,2,3); I need it to become a negative number when inserting it into the database. 2. The front-end input table displays a positive number, and the back-end becomes a negative number before inserting it into the database. How to achieve this?

欧阳克 2017-06-12 09:22:42 0  3  857

javascript - How to generate a set of non-repeating six-digit random numbers

It is required to generate an array containing six random numbers, and these random numbers cannot be repeated. (The array contains multiple random numbers, each random number is six digits, and the random numbers in the array are not repeated) You can refer to the following two codes to combine the...

过去多啦不再A梦 2017-05-19 10:39:10 0  6  1503

PHP JS mobile button changes color when clicked, and the selected numbers form an array

PHP JS The background color of the mobile number button changes color after being clicked. The selected numbers form an array. If the three number buttons 1, 3, and 9 are selected, the button will turn red. After clicking OK, the variable ABC=1, 3, 9 is written by yourself. It works on ios but not o...

HARDWARE 2018-03-06 00:10:45 0  0  1231

Summary of PHP basics

To provide new PHP friends with several documents on the basic summary of PHP, download address: https://pan.baidu.com/s/1RN57Usa6WDc42qhR5_nNbA Password: txct Screenshot display:

TAO 2018-06-14 15:24:14 0  4  1267