Why doesn't java code compile

The deployed web item will not compile the java code, only the front end will be displayed.

赫 2018-08-09 17:12:53 0  0  1362

javascript - What is a spa application with separate front-end and back-end?

As a self-taught backend, I don’t know much about the front-end. Does spa return to the website once when accessing the website, and then switch the display through the front-end routing? Then the server is only responsible for returning data to ajax?

ringa_lee 2017-05-16 13:35:49 0  6  670

php crawls web page data

I have some needs such as crawling the Baidu takeout merchant's webpage https://wmpass.baidu.com/ucen..., but this webpage is written using a modular front-end framework, and I can only see some when viewing the source code. The source code before rendering, the querylist I used to get is not after ...

PHP中文网 2017-05-24 11:34:27 0  1  888

Could you please tell me how to call the following heartbeat monitoring code? Thanks!

The following is the heartbeat monitoring code snippet of the web server background that keeps it running at all times through the "php XXX.php" command. How do I display $A in try on the front-end browser? Thanks! while (true) { if ($stomp == null || !$stomp->getClient()->isConnecte...

悬崖上的草 2021-03-31 08:09:00 0  1  1273

Ways to get image: from base64 or ArrayBuffer using Vue

I have a Flask backend that sends an image to the Vue frontend as described here: withopen('my_image_file.jpg','rb')asf:image_data=f.read()emit('IMAGE',{' image_data':image_data}) in the Vue front end, this image should eventually be displayed on the web page. I guess the easiest way is to save the ...

P粉953231781 2023-11-06 15:34:13 0  1  730

thinkphp3.2.3 path problem

After the website developed by thinkphp3.2.3 was uploaded to the ngix server, the home page displayed normally, but the secondary page image could not be displayed. I checked the image path and found that the entry file of index.php/home/index, the front-end module, and the controller name were adde...

Nick 2019-12-27 20:59:43 0  1  1031

How to get full json data using jsom.dumps?

I have been studying flask programming in python recently, and now I am using jQuery's easyui to write a web application. The problem now is that after I query the database, I want to return standard json data to the front end, but the program prompts: {code...} The code is as follows: {code...}

天蓬老师 2017-05-18 10:56:12 0  3  732

Display datetime without changing time zone using MomentJs

Sometimes I end up seeing a datetime on the website frontend that has been adjusted to a specific time zone, and I want it to display as-is regardless of the user's time zone. For example, let's say I have this date: 2015-01-22T16:11:36.36-07:00-07:00 means it is Mountain Time, MomentJs knows this a...

P粉952365143 2023-10-17 22:58:38 0  2  646

Is there a js or Jq plugin for formatting sql code?

There is now a requirement here, which requires formatting sql code at the front end. After searching around, I couldn't find it, only some online conversion websites. It’s not code highlighting, it’s the kind that requires formatting the compressed code! ! !

巴扎黑 2017-05-19 10:30:49 0  1  731

How does js control the display style of a control by determining whether the access request comes from a mobile device?

Hello everyone. I am a novice in front-end development. I recently learned to make a very ugly website, which is mainly used to download Weibo videos, Miaopai videos, etc. The function I want to achieve is: on all pages of this website for downloading Weibo videos and Miaopai videos, if accessed fro...

漂亮男人 2017-05-19 10:25:08 0  2  492

Redirect unauthenticated users, AWS Amplify

I'm trying to build a web application using AWSAmplify. I have configured authentication but I want certain pages to be only available to authenticated users, for example the home page can be seen by anyone but "/dashboard" can only be seen by logged in users. I'm currently using AWSAmplif...

P粉533898694 2023-09-09 11:27:06 0  2  760

javascript - How does the website locate the user's province?

There is a page on my website that wants to display different content based on the province of the visiting user, so I want to know how to locate the user's province? The solutions I know about are: obtaining the longitude and latitude through the front-end geolocation API, and then using the Baidu ...

过去多啦不再A梦 2017-05-18 10:43:56 0  1  526

Hide and show animated content: Create HTML pages with transition effects

I'm trying to make a website that displays content in book form, with page-turning animations. There are different svg images to animate for the content of each "page"; I'm not sure how to do this. Basically, is there a way to show and hide content the way I want without having to create a...

P粉674757114 2023-09-10 17:41:45 0  1  674

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  820

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  723

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  611

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  576

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  1000

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  506

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  697