Custom key to sort flat association based on another array

Is it possible to do something like this in PHP? How would you write a function? Here is an example. Order is most important. $customer['address']='123fakest';$customer['name']='Tim';$customer['dob']='12/08/1986';$customer['dontSortMe']='thisvaluedoesntneedtobesorted ';I want to do something similar...

P粉541551230 2023-10-15 19:52:40 0 2 246

How to update the regional database for the website?

The website still uses the old database, and the national regional information has not been updated. Now I want to update it. Please tell me the specific method, that is, this new national regional data needs to be deployed on the e-commerce platform.

P粉239773174 2023-09-22 16:21:35 0 0 400

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 265

How to achieve smooth transition margin percentage when resizing window

I want to set a percentage margin around the element that is 5% of the viewport width when the viewport is smaller and 15% of the viewport width when the viewport is larger. I can use a media query to toggle the numeric value of the margin like this: .element{margin:5%;}@media(min-width:800px){.elem...

P粉155832941 2023-09-12 18:47:54 0 1 235

Title rewritten as: PHP fails to process when there is no data returned for the date

I cannot operate both databases. If there is data equal to date, I print the average in one column. If there is no data equal to the date, I get the following error. I need to type an "else" but I can't get it to run when I type it. My code is as follows; query("...

P粉038856725 2023-09-10 11:49:01 0 1 293

How to calculate the average of an array in PHP?

So I have in this array code $numers=array(array(198,208,109,11,636),array(198,188,84,55,756),array(194,206,113,13,531),array(184,213,127,18,101),array(194,213,127,23, 110),array (984,213,127,44,125),array(184,213,127,88

P粉345302753 2023-09-10 09:43:31 0 1 248

How to set the width of a sublist of flex:auto elements

Hello, I have a CSS problem. There are two columns, the right (B) column has a fixed width of 100px and the left (A) column must fill the remaining width. Additionally, within column A, there is a list of subcomponents added horizontally. The problem is that when adding child components, the width o...

P粉676588738 2023-09-09 18:09:18 0 2 242

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 210

Retrieve the total number of shipments for each product on ShippingBo

Is it possible to retrieve the total number of shipments for each product on ShippinBo via API? I develop a platform for reordering suppliers and I need this data for new functionality. Get the total number of shipments for each product on ShippinBo through API

P粉511896716 2023-09-04 14:18:23 0 1 182

PHP method to flatten a tree array and map it to a new array format s key => value

I have a complex array in php like this: [0=>['id'=>'2''parent_id'=>'1''text'=>'Algoritma''lvl'=>'1' 'nodes'=>[0=>['id'=>'11''parent_id'=>'2''text'=>'Flowchart''lvl'=>'2''href'=>'/site /re

P粉563831052 2023-09-03 20:28:52 0 2 278

I'm trying to learn JavaScript and trying to calculate the average of sulfur and carbon in user input text

Please refer to the HTML table below to understand the question. I've created a table and I've numbered my text boxes for clarity. I'm trying to calculate the average of text input 1 (% sulfur) and text input 2 (% sulfur) and display the result in a read-only text input 5 (average sulfur). This is f...

P粉323374878 2023-09-03 14:05:56 0 1 252

Nodejs MetaAPI Cloud / Calculate Moving Average

I'm making a trading bot using metaapi.cloud and I'm trying to calculate moving average (fast/exponential) but it returns me invalid values, this is my code: asyncmovingAverage(symbol,period,type="S" ){letcandles=(awaitthis.account.getHistoricalCandles(symbol,this.params.timeframe,n

P粉715274052 2023-09-03 09:12:59 0 2 189

Find the average level of departmental salary

I have two tables db_employee(id,first_name,last_name,salary,department_id) db_dept(department_id,department) here is some sample data db_employeeid-fist_name-last_name-salary-department_id10301-Keith-Morgan-27056-210302-Tyler-Boot

P粉329425839 2023-09-02 20:56:48 0 1 307

After inserting data in MySQL, conditionally increase two values

I currently have the following three tables in a football database: teams(name)season(name,beginning,end)game(id,Date,season,hometeam,awayteam,HomeTeamScore,AwayTeamScore) (hometeam, awayteam and season are foreign keys ) Now I want to have a new table that records the goals scored and goals concede...

P粉937382230 2023-09-02 10:52:17 0 2 291

Inserting into large MySQL table without auto-increment primary key is very slow

I've recently noticed a significant increase in the difference in time required to complete a simple INSERT statement. While these statements take about 11 milliseconds on average, they can sometimes take 10-30 seconds, and I've even noticed them taking more than 5 minutes to execute. MySQL version ...

P粉845862826 2023-08-29 20:31:33 0 1 233

Simple way to calculate median with MySQL

What is the simplest (hopefully not too slow) way to calculate the median using MySQL? I'm using AVG(x) to find the mean, but I'm having trouble finding an easy way to calculate the median. Right now I'm returning all the rows to PHP, sorting, and then selecting the middle rows, but there must be so...

P粉720716934 2023-08-29 11:47:07 0 2 319

Make grid container fill columns instead of rows

I want my grid to fill vertically like this: 147258369...arbitrarynumberofadditionalrows. Instead, it will fill horizontally like this: 123456789 I want to specify the number of columns in the grid, not the number of rows. This is what my div looks like using inline CSS styling:

P粉551084295 2023-08-27 20:59:46 0 1 213

Merge/flatten an array of arrays

I have a JavaScript array, for example: [["$6"],["$12"],["$25"],["$25"],["$18"],["$22"],["$10"] ] How can I merge the separate inner arrays into one array like this: ["$6","$12",

P粉828463673 2023-08-27 12:05:43 0 2 295

Tips to improve WooCommerce member query speed: Optimize MySQL index

I have a WooCommerce membership based website using the Teams for WooCommerce membership extension. Despite having a huge user base (>70,000 users), it performs very well 95% of the time. We receive approximately 10,000 visits per day with response times of under one second. During peak seasons w...

P粉333186285 2023-08-26 11:09:08 0 1 270

Easy way to calculate median in MySQL

What is the simplest (and hopefully not too slow) way to calculate the median using MySQL? I've used AVG(x) to find the mean, but I'm having trouble finding an easy way to calculate the median. Currently I return all rows to PHP, sort, and then select the middle rows, but there must be an easy way t...

P粉960525583 2023-08-20 18:05:23 0 2 307