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Unforeseen results occur when calculating time difference in seconds in PHP by converting two dates to Unix timestamps.

According to the title, I'm trying to find the difference in seconds and then convert those seconds to days and hours. After reading and following similar questions, I built a function that adds the hour, day, week, month, or year I want to today's datetime, and I get the correct results from this p...

P粉237029457 2023-09-03 09:22:01

XSLT - Convert images (and pdf) to base64

I'm using ApacheFOP2.8 to convert ApacheFOP intermediate format (IF) files into HTML files with a self-written xslt stylesheet. As an external library, I currently only have saxon12he installed. Issue #1 (Image to base64) In the source IF document, there is an image xml element like this: <imagex...

P粉529245050 2024-01-16 16:01:19

There are differences between the two methods of obtaining timestamps in PHP. Why?

Try to use two methods of PHP to obtain the current timestamp. There are differences. However, the two timestamps converted into time are indeed the same time point. I checked the unit of the timestamp on the network is seconds. Why is this happening? {Code...} The output result is: timestamp is 1:1...

给我你的怀抱 2017-05-16 13:14:11

Ag-Grid: Is it possible to style a row on a timer, rather than based on the data in the row?

I need to change the background color of rows after some time. There is a column in the grid with time in seconds and I need to change the row color after 50% of that time has passed. The data in the grid itself doesn't change, so using rowClassRules doesn't seem to work as nothing changes to trigge...

P粉277824378 2024-04-03 20:14:05

javascript - python small algorithm

There is a list of date strings, as follows: {code...} Find which date string in lst is most similar to s = ['2017-06-09'] Idea 1: Convert the values of s and lst into dates and traverse Compare the difference in seconds, and the smallest one is the date string you are looking for. Is there a be...

曾经蜡笔没有小新 2017-06-15 09:21:43

Image displayed using Flask is wrong or corrupt

I'm setting up a web application where I need to display some images. The image I receive from the API converts the matplotlib figure to png and then sends it to the main web application using the io library. Because of this, the images I display on the page almost always appear incorrect or wrong. ...

P粉299174094 2023-09-12 00:21:51

What is the equivalent function in PHP that implements the 'requests.post' functionality in Python?

I need help translating python code to PHP. This is how the script is set up to communicate with the API server, using POST to log in in this part of the code. The Python code has been tested and works, but I can't figure out exactly which way I should convert it to PHP because I'm getting an empty ...

P粉495955986 2024-03-28 14:48:16

How to disable event dragging in FullCalendar to adjust duration

Hi I'm using Angular's full calendar and I want to make it so that when the user clicks on an empty schedule in the calendar (it's a weekly calendar with 15 minute intervals for each date) they can 'hold down the single Click and define the duration of the event. Unfortunately, chatpgt cannot help m...

P粉787934476 2023-09-15 12:40:23

java - Design of classes in microservice architecture and restful return of json data

Question 1: In the microservice architecture implemented by spring boot, the data interaction problem between each service {code...} Question 2: When using restful to return client data in spring, the model will be converted to json, but There are many properties defined in the object, and the clien...

扔个三星炸死你 2017-06-23 09:13:35

Multiple rewrite rules link PHP custom articles.

I'm new to PHP and I'm trying to do some rewrite rules to change the structure of some links. I tried some found code and this code only works for the first custom post type I specify in the for loop. I want to make a for loop to change the links for all custom post types that I specify (these post ...

P粉393030917 2023-07-27 12:19:25

PHP variables in CURL URL

I've searched many previous posts here but nothing seems to solve my problem. In short, I want to include a PHP variable in the code below. The code below works fine because it is hardcoded, but when I replace the word MAYIAHH with the variable $hid (declared), I get an error. I've tried CURLOPT_POS...

P粉762730205 2024-02-25 21:03:22

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

javascript - Ask an interesting question: How to convert numbers into amount format

Recently, I encountered an interesting problem when doing business: In order to calculate money accurately, the server converts money into units (1 yuan = 100). The front end needs to convert it into money format 159 => 1.59 yuan. Check out the project The implementation method is to use tofixed,...

曾经蜡笔没有小新 2017-07-05 11:02:21

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

linux - Do I need to delete the previously installed folder to recompile php?

When I first installed PHP, I did not install the gd library. I compiled it again and brought gd, but the freetype that gd depends on was still not installed, so I wanted to recompile and install it. After I configured..., I found that there was no change and I wanted to delete it. Previously instal...

世界只因有你 2017-05-18 10:48:05

In-depth exploration of how to use interfaces/contracts in Laravel

Trying to increase my PHP/Laravel knowledge so when creating new functionality I try to work with interfaces. To set the scene: Our company has changed direct debit providers several times over the course of a year and I want to create this interface to make future changes more "scaffolded"...

P粉517090748 2024-02-17 14:27:04

Please help recommend a PHP and web front-end rapid development framework

I haven’t made anything for many years, and now I want to develop a simple membership-based download system. The function is similar to that of Xinyun CMS, but adding software functions in Xinyun is very cumbersome. I mainly just complete the following functions. 1. Simply add necessary information ...

俺老刘 2019-03-01 11:39:33

PHP returns NaN value

I have a function that calculates the distance between two GPS coordinates. I then get all the coordinates from the database and loop through them all to get the distance between the current coordinate and the previous one and then add it to an array for the specific GPS device. For some reason it r...

P粉914731066 2024-03-25 17:22:54

Problem: Vue's @mouse-down event is not triggered

I'm new to web development and I'm having trouble dealing with vue. From the tutorial I learned that you can use @click when the button is pressed. It works very well. Now I want to make a simple measurement that detects mouse presses and lifts in order to further develop double click and long press...

P粉121447292 2023-09-14 14:26:45

How to force PHP to ignore daylight saving time?

I have some web applications running on PHP7.4.26 on a Windows server. This year (2023) the Mexican government decided to stop using Daylight Saving Time (DST), which caused problems for me. My web application requires the America/Mexico_City time zone, but PHP continues to use DST, adding extra tim...

P粉348915572 2023-09-03 15:48:38