Questions about dates growing periodically and inserted into the database

//Get a (string character time), b (number of times) from the form. $b=$_POST['b']; //Number of times $a = $_POST['a']; //Date$d = strtotime($a); //Convert string time to timestamp. //The database is simple in design, automatically growing the three fields id, a, and b. The connection code is omitte...

用岁月换光辉 2019-05-04 16:07:40 0  0  955

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  510

How to apply C++ separated compilation?

C++ Primer's introduction to separated compilation is very simple, so I wanted to try how to use it. Run the following code. When running fun() and absolute() in the main function, you will be prompted that no function is defined. Is that why? What should be done to make the code run smoothly? Main ...

天蓬老师 2017-06-20 10:06:13 0  1  894

javascript - Please enlighten me: NetEase Mailbox Web side simulates login to read the encryption parameters _ntes_nnid, _ntes_nuid

The simulated login and mail receiving of NetEase mailbox are very simple. When reading the mail, two parameters are required: _ntes_nnid and _ntes_nuid {code...} 32-bit, looks like MD5 encryption. Please give me some advice from all the great masters! Here is the code to read the email: Get address...

天蓬老师 2017-05-16 13:44:51 0  1  1913

The rewritten title is: Using PHP buttons combined with jQuery and POST methods to get return values

I have a simple form to get usernames and would like to achieve the following: When the user clicks on a button, the button will be disabled to prevent multiple clicks (in real cases it may take a few seconds to process all the data, e.g. calling an API , write to database, etc.); after clicking, a ...

P粉738821035 2023-09-05 08:42:27 0  2  537

The question is still the same, but the title is rewritten as follows: My Javascript random function fails to generate valid responses

I'm making a simple random number generator game using JS and HTML. In this game you can set minimum and maximum values ​​of random numbers. However, when setting the variables and recording the results, an impossible number appears. For example, if I set the minimum value to 50 and the maximum valu...

P粉682987577 2024-04-03 22:03:14 0  1  375

Updating existing codebase to PHP 8.1: Handling non-nullable internal function parameters with Null values

I've just started upgrading my code to be compatible with php8.1. I have a lot of code snippets where I'm passing potential null values ​​to inner functions. if(strlen($row)>0){...} where $row comes from a source that may have null values ​​(such as a query). This may generate a deprecation warni...

P粉344355715 2023-10-31 20:01:48 0  2  775

Demonstrating SQL Virtual/Temporary Table Approach: Extracting Data from an Associative Array

I need a simple SQL query to display a virtual/temporary table without creating it in the database. I'm using PHP to create a query string with data. My current PHP code is: $array=[['id'=>1,'name'=>'one'],['id'=>2,'name'=>'two'],['id '=>3,'name'=>'three']];$subQuery="SELECT{$...

P粉066224086 2023-09-03 16:26:28 0  1  536

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  592

Functionality without using <br> html to add line breaks

I'm currently learning VueJS and I've made a simple app that pulls information from an API and displays facts about a country based on a given 2 letter country code. Data retrieved from the API is mapped to country and properties. It stores detailed information about a country such as time zone, cur...

P粉567112391 2023-09-08 15:34:08 0  1  641

Scoping JavaScript: How to operate only on specific elements?

I have a very simple JS code that only does one thing, which is to toggle an open class on a specific element on the page. The problem is, I have 4 duplicate .clickSlide elements and .sub_menu elements, and when I click on one of them to trigger the code, all the elements get the open class. Only on...

P粉884548619 2023-09-08 20:36:06 0  1  622

Change input quantity step value of simple product based on weight in WooCommerce

I want the quantity selector value to change based on the weight we set in Shipping > Product Weight for a simple product. As shown in the image below, when we set the weight of the product to 0.5 kg, the product quantity selector starts from 0.5 and if we set it to 1 kg, it starts from 1. Finall...

P粉351138462 2023-09-04 21:55:45 0  1  553

jQuery variable redirects to undefined url despite it being a string

I'm having trouble trying to redirect to a new URL using jQuery, but somehow it doesn't work in this specific case. I'm using jQuery with html and Djangobacklog, but I don't think either of these cause the undefined parameter to be displayed. The code is quite simple: $(document).on('click','.view-d...

P粉478188786 2024-04-01 21:03:17 0  1  456

Sequentially rename files on upload based on existing files in directory

I'm using this (php) upload code I found online for an image upload form. I realize there are already a lot of questions/answers on the site about "renaming files" when uploading, and I've researched them quite a bit. So far...none of them seem to specifically address what I want to do. Ho...

P粉310931198 2023-09-10 13:14:12 0  1  672

JavaScript: increment and decrement functions

I'm practicing my JavaScript skills, I've been mastering a simple incrementing counter function, I seem to have it figured out, so today I want to take that script to the next level and decrease the value, here is my question, When I click to add a number and then continue to click on the minus sign...

P粉761718546 2024-01-29 09:53:20 0  1  483

How to do proper pagination in Vue.js 2

I have a problem creating pagination using vue. My task is to make sure that when you click on the button's number, a new task in the jsonplaceholder is loaded. I have successfully loaded the first and second page. I think this is directly related to my this.fetchTodos() operation. I'm just learning...

P粉690200856 2024-03-27 23:17:56 0  1  420

Is storing delimited lists in database columns really that bad?

Imagine a web form with a set of checkboxes (any or all of them can be selected). I chose to save them in a comma separated list of values ​​stored in a column in the database table. Now, I know the correct solution is to create a second table and normalize the database correctly. It's faster to imp...

P粉020556231 2023-08-27 19:52:49 0  2  471

What is the reason why live server cannot be used in React application?

I know it's not possible to serve a React application using a live server. In other words, even if the js is bundled and linked to the HTML file, the React code will not render if you open the file statically. I learned about static and dynamic servers, but since React all happens on the client, I c...

P粉131455722 2023-08-28 10:32:47 0  1  517

Spring Boot deployed in Lambda throws "statusCode": 502 Gateway timeout"

I uploaded the Springbootjar file (which has lambda request stream handler) as a zip file to AWSLambda. Since the zip is large, I uploaded it in S3 and gave the link while creating this Lambda function in AWS console. As I've read everywhere, that's all it takes to deploy a SpringBoot service in a l...

P粉111227898 2023-08-28 23:12:36 0  1  800

When selecting different options, the input field type can support 20 digit rupee with rupee symbol or replaced with percentage

If the option is selected to select fixed value then the input field type is Rupee value supports only 20 digits with Rupee symbol. If percentage is selected then the rupee symbol is replaced with percentage symbol and the value type is only 2 digits to enter the value without clicking the button My...

P粉022140576 2023-08-13 18:35:32 0  1  430