javascript - The dom generated by vue is a bit strange. It is nested when written and at the same level when generated.

{Code...} is obviously nested, but it is of the same level after generation

PHPz 2017-05-19 10:29:56 0  1  563

WeChat parameter QR code How to fill in parameter information?

How to generate a QR code with parameters for a public account? Does it have to be a service account? print('WeChat channel QR code generation');

whb2010 2019-02-27 17:57:05 0  2  1449

javascript - ES6 generate problem

While learning ES6's generate, why can't the following example be printed and an error is reported? How to modify? Should I do gen() or gen.next() {code...}

给我你的怀抱 2017-06-12 09:22:08 0  2  646

How to use WeChat channel QR code?

Can we generate different event QR codes for different WeChat marketing activities, that is, generate different WeChat channel QR codes import qrcode img = qrcode.make('Channel QR code generation')

whb2010 2019-02-28 13:29:14 0  2  1313

Can WeChat service account QR code posters be automatically generated?

I am a certified service account. I want fans to pay attention to automatically generate posters and do fan fission》》》Solution @微信 Bang platform generates QR codes for posters. You can click on the menu to automatically generate QR code posters. Follow and automatically generate QR code posters. , s...

whb2010 2019-03-28 16:12:15 1  0  1424

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  938

How to create a WeChat channel QR code with parameters?

How to implement the QR code function with parameters in WeChat channels? I have several ideas about public account promotion: local promotion, paid advertising, flyers, and the monitoring effect of each channel. The public account service account has this function, and I want to do it. . . WeChat B...

whb2010 2019-03-22 15:05:22 0  0  1091

Express - Can't access active ajax request after nginx configuration?

{Code...} Accessing the homepage 127.0.0.1 can be displayed successfully, but there is an automatic ajax request on the homepage 127.0.0.1/JS_GetPage_Record. This request always gets 502, and it is normal without nginx reverse generation. If you click the button manually to trigger this button The r...

ringa_lee 2017-05-16 17:16:49 0  1  556

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  681

Reverse proxy - nginx front-end reverse proxy, how does back-end apache obtain the real IP of the visitor?

Nginx reverse generation has been written, and there is no problem checking the parameter transfer: {code...} The problem now is that my back-end php program relies on the variable $_SERVER['REMOTE_ADDR'] to obtain the IP, so what is obtained is the reverse generation server's IP IP. The backend is ...

阿神 2017-05-16 17:04:55 0  5  610

Write the code for 020 mall, coupon generation and usage in the laravel framework. The teacher also said that there is no idea..

冬晴 2017-11-28 17:39:50 0  1  1048

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  931

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  802

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  682

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  658

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  1076

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  561

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  759