What is the value judgment of testing?

That is, what is a good test, what content tests can bring value to the product, and what tests are explosive and infectious enough.

巴扎黑 2017-05-16 13:00:58 0  1  360

How to get the highest value, lowest value and average value in mysql in php

There are two fields in database table A, one is the category, and the other is the price. How to calculate the highest value, lowest value, and average price of No. 11 in the category in PHP? One category corresponds to N pieces of price data, such as 11, 1002, 12011, 10111, 10111, 5511, 995, 882, ...

给我你的怀抱 2017-05-18 10:51:53 0  3  832

Supabase - equivalent to infinite value

For the authorization flow, in the middleware, I want to match any value in the .eq statement. Ordinary users can only see posts created by themselves. Administrators can see all posts. constuserMatcher=user.role==="admin"?"*":user.id;const{data:post}=awaitsupabase.from("pos...

P粉741223880 2023-08-15 18:53:11 0  2  512

May I ask why the value of $_SESSION['Price'] is always 0?

Please tell me why the value of $_SESSION['Price'] is always 0, that is to say, the total price of clicking to buy and entering the shopping cart is 0. The total price of multiple purchases is 0

Fllllll 2017-11-16 15:26:33 0  1  1337

Get the total return value of the input field method

I'm trying to find the total value entered by the user. Get an aggregate that multiplies a number with its same value letDem200=document.querySelector(".input_200");letoutput200=document.querySelector(".result_200");Dem200.addEventListener('blur',function(){letresult

P粉419164700 2024-04-06 18:19:37 0  1  521

Laravel sort by price with special price conditions

I have a table with the following columns (price, special offer, whether on sale). +-------+------+------------------+---------------+- --------+|id|price|special_price|is_special|qty|+-------+--------------------- ----+--------------+----------+|1|100|null|0|5||

P粉030479054 2023-09-22 13:06:46 0  1  1155

Preserving pledge value for future use: A guide

I'm executing a database query and then processing the data in order to produce a single numerical value. This value needs to be used in subsequent arrays. The array definition currently looks like this (below). The problem is that all_kdm_coverage is a promise. But what I need to do is extract the ...

P粉604507867 2024-04-02 17:33:45 0  1  479

Why do you need to evaluate before downloading?

When I download information, I always get a prompt that I need to evaluate it before I can download it, but I can’t find the place for evaluation. Why do I need to evaluate it before downloading it? When I download it, I always get a prompt that I need to evaluate it before I can download it, but I ...

**软件-张京强 2019-06-13 11:59:29 0  1  1011

javascript - How to add a function method in validate to determine whether the input has a value?

Now there is a form, which is verified and submitted using validate. The product puts forward a requirement to judge the price value in the chart produced after clicking the "Add Price" button. I looked at the js structure and verified the entire existing form first: the form generated aft...

phpcn_u1582 2017-06-12 09:28:32 0  1  1121

For MySQL, I need a report of rows that deviate more than 1 standard deviation from the mean (expressed as a percentage)

I'm trying to write a MySQL query to count rows that are significantly different from the most common row for each product and report the percentage difference, with less than 100% having a lower price than that product's average price and more than 100% having a lower price than high. Prices less t...

P粉002572690 2023-09-13 22:06:57 0  1  615

Regarding the session issue, I followed the steps step by step, but the session values ​​are different. I won't tell you what happened.

This teacher lectures too quickly. It's not a lecture at all. He's just doing his own thing, not caring whether you know it or not. This session obviously only saved two values ​​when it was started. Why does he save so many values. . . .

Alon 2018-10-30 14:29:42 0  1  1180

How to sort products by price in ascending order

How to sort products by price in ascending order. The price is calculated based on the price taken from the model Products multiplied by the volume taken from the model Pack. This is how to display the prices of all products in Laravel: ceil(($product->packs->count() > 0 ? $product->pack...

P粉781235689 2023-07-31 13:29:25 0  1  662

Replace WooCommerce 0 sale price with custom text and keep regular price strikethrough

I've been trying to change the sales price of my WooCommerce products to just "Members Free" instead of 0. I want to change the sale price to a custom text, for example: I searched on the internet and found a code snippet that does the same thing, but the problem is that it also changes th...

P粉190883225 2024-03-22 10:51:29 0  1  423

Using Case to subtract price in Mysql

I have 3 tables: training_schedules, training_discounts and agents. training_schedules: id, name, agent_id, price. training_discounts: id, agent_id, schedule_id, discount. Agent: ID, Name I am trying to subtract the price from the training_schedules table using the discount column from the training_...

P粉627136450 2024-04-05 11:18:53 0  1  499

Encapsulation assignment

In encapsulated assignment, are set assignment and constructor assignment not repeated?

阿智 2019-12-05 22:06:38 0  0  3266

javascript - Select different packages to display corresponding prices for products

The three prices below the picture are three package prices. I want to realize that by clicking on any of these three packages, the default price of 980 above will also change. . How to implement it in JS?

为情所困 2017-05-16 13:12:00 0  7  741

Add additional values ​​to displayed format data fields using javascript

I'm trying to achieve this: I want to create a form that collects data entered by the user and prints it on the screen. So far I have achieved almost a working effect with the code snippet below, however, I need the "textone" and "textTWO" fields to display the additional data va...

P粉598140294 2024-04-04 15:17:13 0  1  3743

javascript - ES6 array destructuring assignment default assignment

When I saw Ruan Yifeng's ES6 tutorial on destructuring assignment and default values, I didn't quite understand this place. Original link Note that ES6 uses the strict equality operator (===) internally to determine whether a position has a value. Therefore, if an array member is not strictly equal ...

滿天的星座 2017-06-07 09:24:42 0  3  1072