How to copy Excel FV function in PHP?

I'm converting some fairly complex calculations from an Excel spreadsheet to PHP. I'm stuck on the conversion of Excel's FV function, which is defined like this: FV(interest_rate,number_payments,payment,PV,Type) I've been working on this for 2 hours and I must be missing something. Essentially, I ne...

P粉106301763 2023-11-04 15:54:09 0 1 254

TypeError: Cannot read property of null (read 'length'). What does it mean?

I have a problem that I'm trying to solve. Cannot read property of null (read 'conversion'). What does it mean? . I checked the options for integrating mychart.update() from this issue https://github.com/chartjs/Chart.js/issues/5149. But when I try to start I get other errors. TypeError:Cannotreadpr...

P粉031492081 2023-11-04 11:52:35 0 2 255

Insert conversion using MySQL

I'm trying to insert a value into a table in MySQL but can't get it to work. I'm using the following query: INSERTintoarticulovalues(32,'Sala',CAST('$10,000.45999'ASDECIMAL(10,5)),40.2399,200.2399,3,'kid3');MySQL shows the following error: 1row(s)affected,1warning (s):1292TruncatedincorrectDE

P粉189606269 2023-11-02 19:47:58 0 2 286

Convert .HEIC to .JPG using ImageMagick in PHP

I'm hoping to try and create a small image converter that converts HEIC files uploaded to phpWeb documents to .JPG (or any other common file format). I'm running PHP on a unix server and have ImageMagick installed on the server. The following command line code runs on the server: mogrify-formatjpg*....

P粉322918729 2023-11-02 17:38:57 0 1 264

Please apply the appropriate transformation first to resolve vite Internal Server Error: Missing code generation node for element /if/for node

So yesterday I was working on a project and as I was getting ready to quit because I was done with it, I got this error and have been trying to fix it all day today. My code works, and then it breaks, undoing everything to the point where I know it works, but it's still broken. The error I get in br...

P粉002023326 2023-10-26 14:52:04 0 2 211

Vue JS Router: Reload page on redirect

I have an application with Login.vue and Home.vue files. Because I'm converting the admin HTML website into a vue3 application, my javascript only works on page reloads. When creating the application I chose to add a router for the SPA, maybe I shouldn't have done that. So far the view is working ex...

P粉087074897 2023-10-26 11:53:46 0 2 188

MySQL automatically convert/convert string to number?

Does MySQL automatically convert\convert strings to numeric values? How does this conversion work? '1234'=1234?'1abc'=1?'Text'=1? How will this query be interpreted given that units.id is of type bigint? SELECTtable.*FROMtableWHEREid='text'

P粉336536706 2023-10-24 08:36:29 0 2 283

Convert JavaScript regular expression to PHP

I know this question has been asked about a dozen times, but technically it's not a scam (check the other questions if you like) ;) Basically, I have a Javascript regex to check with for the front-end validation of the email address, and I use CodeIgniter to double-check on the back-end in case the ...

P粉465675962 2023-10-23 22:58:33 0 2 394

Implicit conversion from float (number) to int loses precision

I used this formula before php8.1

P粉449281068 2023-10-21 18:33:55 0 2 282

MySQL - Convert rows to columns

I tried searching posts but only found solutions for SQLServer/Access. I need a solution in MySQL (5.X). I have a table (called history) with 3 columns: hostid, itemname, itemvalue. If I do select(select*fromHistory) it returns +--------+----------+-----------+|hostid|itemname |itemvalue|+-------

P粉538462187 2023-10-13 11:50:31 0 1 232

Enhance gradient backgrounds with CSS3 transitions

I'm trying to use css to make a transition on a thumbnail image so that the background fades in on hover. The conversion doesn't work, but if I just change it to an rgba() value, it works wonderful. Doesn't it support gradients? I've also tried using an image and it doesn't convert the image either....

P粉955063662 2023-10-12 18:05:11 0 2 213

How to insert records extracted from another table into one table

I'm trying to write a query that extracts and transforms data from a table and then inserts that data into another table. Yes, this is a data warehouse query and I am executing it in MSAccess. So basically I want some query like this: INSERTINTOTable2(LongIntColumn2,CurrencyColumn2)VALUES(SELECTLong...

P粉449281068 2023-10-10 17:36:09 0 2 336

Convert date to timestamp in PHP: step-by-step guide

How do I get the timestamp, for example September 22, 2008?

P粉204136428 2023-10-08 23:03:38 0 1 460

Record multiple tabs using WebRTC and Javascript

I'm currently able to record a tab and create a media recorder from its stream. I want to be able to switch to another tab and continue the same recording on another tab and then provide a stitched video at the end. How can I implement this?

P粉571233520 2023-09-19 23:07:01 0 1 308

Sort JavaScript map by decimal key

I have a map with keys as months and key values as 1...31. If I understand correctly, JavaScript converts the map's keys to strings. After sorting using standard newMap([...myMap.entries()].sort()), the map is sorted by key as follows: 1,11,12,13,...,19,2,20,21,22 ,23,...29,3,30,31. I found a way ...

P粉755863750 2023-09-19 14:44:41 0 1 242

"Converting JavaScript Variables to PHP: JavasScript variables converted to PHP"

So I'm wondering if there is a way to pass Javascript variables into PHP. I'm making a script that gets a location from a website and inserts this location into MySQL to get some analytics data. This is my Javascript function: functiongetPosition(position){constlatitude=position.coords.latitude;cons...

P粉904405941 2023-09-18 11:50:08 0 1 183

Convert Vue array to proxy object

I'm new to Vue. While making this component, I ran into difficulty here. I use the following code to make an AJAX request to an API that returns an array: importaxiosfrom'axios';exportdefault{data(){return{tickets:[],};},methods:{getTickets(){axios.get(url ).then((response)=>{console.log(re

P粉476046165 2023-09-16 19:32:12 0 2 221

Using SASS rgba functions in the context of CSS variables?

How can we make SASSrgba convert rgba(#4caf50,0.1) to rgba(76,175,80,0.1) when the context is the value side of the CSS variable declaration? For clarity, here's an example: $green:#4caf50;$green-rgba:rgba($green,0.1);@debug$green-rgba;//rgba(76,175,80,0.1) The @debug statement will log rgba(76,175,...

P粉476046165 2023-09-16 10:15:44 0 1 354

Rewrite the title as: How to convert Union queries into Laravel

How to convert this query to Laravel? Please help SELECT*FROM(SELECTxxx_details.xxx_idASid,'xxx'ASrestult_type,start_time,(MATCH(xxx_search_tags.xxx_search_tag)AGAINST('test')*10)+(MATCH(xxx_search_tags.xxx_search_tag)AGAINST('sea

P粉819937486 2023-09-15 16:56:54 0 1 288

React Native implementation method of storing JSON values as key-value pairs

I am displaying company name and ID from json stored in companyData and storing them as key and value simultaneously using async storage in ReactNative. I got the following error, so I used JSON.stringify to convert both values to strings before storing them as key-value pairs, but I still get the...

P粉502608799 2023-09-14 22:48:30 0 2 240