How can I create my own website with the newly downloaded template "ECSHOP template imitation Tmall Mall 2014 simple version.zip"? Are there any specific steps? I'm a newbie, please give me some advice.

How can I create my own website with the newly downloaded template "ECSHOP template imitation Tmall Mall 2014 simple version.zip"? Are there any specific steps? I'm a newbie, please give me some advice.

菜鸟 2017-05-23 10:17:11 0  1  1022

javascript - Newbie, please tell me why the jquery method can be used on this DOM object?

{Code...} $p = $(document.getElementsByTagName("div")); Isn't this a dom object? Why is it still useful if I use the jquery method below? I tested that if the above is a jquery object and the dom operation method is replaced below, it will not work. . . Also, jquery objects and dom objects...

世界只因有你 2017-07-05 10:59:54 0  2  946

javascript - When doing || operation between jquery objects, why is the returned value not of boolean type?

The jquery source code fragment is as follows: {Code...} I think the context here is a jquery object, and the rootjquery is $(document). But shouldn’t the demerits they return be a Boolean value? Why is it a jquery object here? So the || operation is in What is done here? What is his role??? Thank y...

漂亮男人 2017-05-16 13:35:57 0  2  518

Live preview! PHP Chinese website has 5 consecutive days of public welfare live broadcasts and VIP special course live broadcasts! Starting on 2018.10.29!

Live preview! Free and VIP live broadcasts of "Web Front-End Layout Knowledge and Cases" and "Handwritten (Imitation) Tencent Video Homepage" courses for 5 consecutive days! Morning public welfare session: 10:00 ~ 12:00 Public welfare course theme: Web front-end layout knowledge ...

藏色散人 2018-10-27 16:53:06 0  0  2342

Preserving scrolling during page navigation is always an undesirable feature.

I have a standard laravel + inertia + vue3 setup using breeze, and as the Inertia documentation says, navigation between pages should mimic browser default behavior, resetting scroll to top when the page loads. But in my case that's not how it works. I don't have preserveScroll:true in my link but t...

P粉166675898 2024-01-02 16:00:21 0  2  568

How to use PHP to log in to the system with multiple accounts from the same browser at the same time

Multiple users with different roles log in to the same backend on the same browser. How can the session not be overwritten? Users with different roles can be identified and the operations of each user can interfere with each other. Currently, it is known that QQ mailbox adds sid as the user's identi...

Swindler 2019-01-31 15:37:49 0  2  1502

javascript - Reference object assignment, deep and shallow copy jquery.extend

When a reference type is assigned to another reference type, they just point to the same address, and the operations affect each other. Deep copy is to reallocate space so that it and the previous object or array are not affected. Shallow copy is equivalent to assignment of reference type. {Code...}...

PHPz 2017-05-19 10:33:54 0  2  995

javascript - Interaction with jQuery's ajax background in vuejs

I want to use vuejs to call jQuery's ajax, but the event on the page is triggered. I want it to be triggered as soon as the page is loaded. How to operate the code is as follows: HTML: {code...} js: {code...} Me What should I do to send an ajax request as soon as the page is loaded? Please give me s...

高洛峰 2017-05-19 10:41:03 0  3  527

javascript - export method reports an error of undefined after exporting

Because jquery was not integrated at the beginning of the project, many methods were written natively. Today I went online to find a few methods for manipulating class names, as follows: {Code...} But when I use them, I always get an error, as follows: {Code...} I debugged with breakpoints, but it s...

高洛峰 2017-06-26 10:57:31 0  2  1023

Preview of the teaching course on September 19, 2018: Common Ajax operations and practical combat in jQuery

1. Teaching Topic: Common Ajax Operations and Practical Practices in jQuery AJAX stands for "Asynchronous Javascript And XML" and refers to a web development technology for creating interactive web applications. AJAX = Asynchronous JavaScript and XML (a subset of Standard Universal Markup ...

藏色散人 2018-09-19 10:51:42 0  0  1498

Please tell me how jQuery does not go back to the page after pressing the return key on the phone, but directly closes the page.

Some application pages do not want to return to the previous page, but when operating on a mobile phone, they often press the return key unconsciously. I would like to ask you to write a function using jQuery. After pressing the return key on the mobile phone, how can you not return to the page, or ...

阿戈 2020-06-25 08:09:34 0  0  1386

javascript - jquery selects one of the buttons of the same class to perform an operation.

{Code...} ".parButton" There are multiple Buttons. This will allow the currently clicked one to be selected. Why when I execute this line of code, the first ".parButton" Button is always executed multiple times.

漂亮男人 2017-06-30 09:57:35 0  1  888

javascript - Two jQuery operations trigger the same function, how to optimize the writing?

{Code...} For example, if you click a button or press Enter in the input box to perform the same operation, can it be optimized into the following type of code: {Code...}

phpcn_u1582 2017-05-19 10:34:29 0  1  432

Ways to fix issue 2003 (HY000): Unable to connect to MySQL server 'db_mysql:3306' (111)

I recently tried to containerize my FastAPIPython server (also for replication/doubling purposes). Before, I had just a MySQL server in a Docker container and everything was fine, but when I also made my web server a service, it couldn't connect to the MySQL server, so now the application doesn't wo...

P粉178132828 2023-09-05 11:18:47 0  1  789

Experiment with sorting after query limit

So this is my first question here, please forgive me if something is wrong. I'm trying to make a sort query based on constraints. So there is a Customers table with 90 records. I want to first perform a query limited to 3 records, and then sort the results of this query by a column called ContactNam...

P粉237125700 2023-09-05 14:46:42 0  1  708

CSS Grid: Create new row when child content overflows column width

I have a two column layout based on CSS grid. When the content of the second column exceeds 1fr I want to create a new row. As it currently stands, the content simply overflows the column. One requirement of this layout is that the items in the right menu column are in one row. I achieve this with: ...

P粉212114661 2023-09-05 15:18:28 0  1  597

PHP full text search functionality using AND, OR and NOT operators

Newbie question: I'm trying to implement a full text search on a search string using php and eloquent. $searchstring="+(victimsuspect)+crime-covid";$searchresult=RssItem::whereRaw("MATCH(description)AGAINST('$searchstring'INBOOLEANMODE)")->ge

P粉076987386 2023-09-05 15:06:32 0  1  558

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 0  1  988

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  498

Multi-device (mobile phone) synchronization - React Native

I'm trying to create a Lightshow that will launch on all users' mobile devices at the same time (can have up to 2000-3000 users). All users will use the Internet (Wi-Fi or mobile data). In our FE we use Apollo for subscriptions and it works like a charm. But the problem is, user A can get subscribed...

P粉151466081 2023-09-05 11:58:38 0  1  689