php - countdown to microseconds

Is there any way in PHP to create a 60-second countdown accurate to microseconds? It can be written with ajax accurate to seconds, but I don’t know how to solve it in microseconds. Please solve it! ! !

迷茫 2017-05-16 13:10:07 0  1  396

How to compare mysql time type fields (accurate to hours, minutes and seconds)?

I need to filter data based on the create_time field. The current sql statement is as follows: {code...} However, I found that this method has a bug, that is, when the upper limit time (arrow in the above picture) is too large, an error will be reported. As shown below: The reason is that the unix_t...

阿神 2017-06-06 09:52:27 0  2  904

nginx - input file component uploads large attachments: 413 Request Entity Too Large

The problem encountered is that when using the input file component to upload a large attachment, the error "413 Request Entity Too Large" is always reported. I tried uploading a 40M compressed file and it could be uploaded successfully. It took about 37 seconds. When the file size changed...

世界只因有你 2017-05-16 17:25:12 0  1  589

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 0  1  626

How to print mysql data to paper?

I would like to ask my seniors, I want to print mysql data to paper. How can it be more convenient and controllable? Does it have to be done through a web page or exported to other files? Does mysql have a reporting function similar to vfp and access, which can accurately control printing details?

享耳 2019-05-30 17:24:42 0  2  1359

Redux state cannot access backend (mySQL) data correctly

I'm having trouble rendering data between the backend (mySQL) and the frontend. I've debugged in reduxdevtools and console logs but still can't find the cause. The data is getting correctly in the console log, but when I log my status it's just empty. In reduxdevtools I can see the data in the opera...

P粉139351297 2023-09-20 10:40:44 0  1  613

What exactly does pageRequestTimeout mean?

pageRequestTimeout. Specify the time in milliseconds to wait for an HTML page. If TestCafe does not receive the page within the specified time, an error will be thrown. This documentation is still unclear to me what exactly testcafe is waiting for? Test Cafe: 2.5.0 Node: v16.19.0 Browser: chrome I'm...

P粉250422045 2024-03-19 22:02:10 0  1  350

When PHP uses a namespace, why should it be precise to a class under the namespace?

The code under the Tool.class.php file is: namespace CompanyTool; class Tool{ } My question is why if you use the Tool class in other files, you must write it like this: use Company\Tool\Tool. I thought I just need to write use Company\ Tool will do (I...

曾经蜡笔没有小新 2017-06-06 09:53:57 0  3  668

How to get value from Encode json data on php page

I try to get the object from the controller and when I console.log(response) it correctly displays the values ​​in it [{"itemValue":100,"itemUnit":"2"}] Unfortunately when I control I tried using an object like response.itemValue when the table shows undefined. I tried ...

P粉715228019 2023-09-06 17:14:28 0  2  602

javascript - angularJs cannot get the ng-model value of date-range-picker

//Date control {code...} This is js code, the code is in the same js; after determining the time box, you can enter this method, but the time box in ng-include cannot be taken after clicking It’s worth it, want to ask for a solution?

伊谢尔伦 2017-06-26 10:57:36 0  1  790

Woocommerce Change prices via hooks (or other means) with the "Woocommerce Bookings and Appointments" plugin from luginhive.com

General Background of My Website Website rents out rooms by the hour. I am using "WooCommerceBookingsAndAppointments" plugin on my website. The plugin URL is https://www.pluginhive.com/product/woocommerce-booking-and-appointments/ The plugin supports cost rules and I can control the price ...

P粉409742142 2024-03-19 23:51:59 0  1  376

React Three Fiber: Why are my scroll events lagging?

In ReactThreeFiber, I have a React component that generates a sprite that I want to persist across camera zooms. The algorithm seems to work (the size doesn't seem to change over time), but I can visibly see it scaling when zooming in and out. I've seen something similar done to sprites elsewhere an...

P粉238433862 2024-04-06 13:39:24 0  1  605

html5 - video control bar different on chrome

I also use the video tag. The control bar on my own web page looks like this. The full screen and total time are missing. But I looked at the video taken in seconds and didn’t do anything about it. The buttons are full and the missing buttons are missing. It is true that the added style can be calle...

ringa_lee 2017-05-19 10:48:12 0  1  1291

PHP: Import .SQL data files and manage maximum execution time

I'm trying to import a large .sql data file using phpMyAdmin in XAMPP. However, this takes a lot of time and I keep getting: Fatal error: Maximum execution time exceeded 300 seconds in C:\xampp\phpMyAdmin\libraries\dbi\DBIMysqli.class.php on line 285 The file has about 1.2 million rows long. The fil...

P粉652523980 2023-10-15 08:34:47 0  1  714

jQuery dialog button ignored, continue submitting form

I have the following form code and the javascript code is shown below. The problem is that when validateDialogForm() is executed, a jquery dialog box is displayed if certain conditions are met. I can indeed see the dialog appear for a few seconds, but it won't stay there and the form still continues...

P粉832212776 2023-08-15 12:55:00 0  1  529

Issues with Vue.js 3 and Pinia Getters

I'm switching from Angular to Vue.js and trying to understand its architecture. I'm currently stuck with a basic problem and have used a lot of workarounds, but I'm really only looking at temporary solutions. The main issue here is the collaboration between Vue.js3 and Pinia. Pinia consists of Store...

P粉668019339 2023-11-03 18:52:56 0  1  714

How to display a message every 5 seconds in ReactJS

I have an array of messages and I want to display each message in the array in the Header component of my React page. constarray=['a','b','c','d']; I want to display each message in a label, and at the same time I need a clear timeout function to prevent the time from speeding up after each click, a...

P粉464208937 2023-08-18 09:19:37 0  1  488

Can CSS display grid lines?

I started learning CSS grid layout. In an ideal world I would be able to set up a div with multiple grid boxes and place my elements exactly within them, providing overlays when needed (kind of like using stick on grid in Illustrator). This can be very difficult without a visual representation of th...

P粉133321839 2024-03-31 20:38:21 0  2  578

Fullcalendar How to remove padding from events in timegridview?

I need to remove the padding from the events when the calendar is in a "timegridview". My users click on the white space created, allowing them to avoid the time period they should be blocked for. I've set it up to display event details when the event is clicked. For example, if I have an ...

P粉996763314 2023-09-08 19:12:15 0  1  676

Is it possible to read and display the contents of a txt file every few seconds using HTML?

I have a txt file that is updated with new data every few seconds. It is stored and generated on the Raspberry Pi, which will also act as a server. I wish to add its content to the html code for display. It should update without manually reloading the page. Is there a way to do this? Maybe use AJAX,...

P粉529581199 2023-09-07 08:46:12 0  2  653