What is the principle of the PHP code online execution tool? eval( )?

What is the principle of the PHP code online execution tool in the website? Should the code be submitted to the backend as data, and then the backend will execute the eval function and then send the result to the front-end page?

王凯凯 2018-05-11 09:53:28 0  0  972

scala - 用Eclipse开发Spark应用，如何跟踪Spark源代码

之前一直用eclipse开发spark应用程序，但是spark官网没有提供可以跟踪源代码的jar包或者zip包，只能下载maven工程的源代码。我尝试把spark源码maven工程导入工作空间中，但在我的应用程序中还是无法用CTRL+鼠标左...

淡淡烟草味 2017-04-24 16:00:23 0  1  973

css - What is the market share of each browser now?

1. Are there many people using ie6, ie7, ie8 and so on? ? 2. Which major browsers need to be considered when making front-end web page templates? 3. Is it necessary to directly create a responsive website template? For others that are not supported, just remind him to upgrade his browser?

我想大声告诉你 2017-07-03 11:42:41 0  2  1013

Can the link be opened on other browsers?

I was assigned the task of creating a simple website that opens links to other websites. However, I ran into challenges on one particular website, which was built in 2012 and followed outdated standards. Ideally I would rewrite it to meet modern standards, but unfortunately I don't have access to th...

P粉426780515 2024-01-16 22:48:48 0  1  506

Upload a CSV file containing the URLs from the HTML page and use Flask to read the URLs you want to crawl

I currently need to make a web-based system that can upload a CSV file containing a list of URLs. After uploading, the system will read the URL line by line and will be used for the next step of crawling. Here, crawling requires logging into the website before crawling. I already have the source cod...

P粉799885311 2023-09-07 11:22:35 0  1  562

Network error: net::ERR_BLOCKED_BY_CLIENT and 403 error mongodb

I have code for a React website that I pulled from git on Windows to my Mac. All my code was working fine before but now when I run the site I can't even load it and get the following error. The page first obtains the backend mongoDB through the API. I can access the database correctly as all my fun...

P粉041881924 2023-09-13 21:32:40 0  1  719

Help! please help

A website has been running for ten years, and the code belongs to ten years ago. The most original version is currently PHP5 and needs to be upgraded to the latest version of PHP. If there are any problems that may arise during the upgrade process, they need to be roughly described. If the website d...

Simple. 2019-12-19 15:41:30 0  2  1037

Turn off "Automatic binding of entries to modules" in the PHP toolbox

Dear teachers, I installed ThinkPHP using the PHP toolbox and created the directory mssah under WWW. Before structuring the source code of the project, I first added index.php to the directory mssah for testing. There is no problem with the site domain name management settings. Set---website directo...

匠心 2018-11-28 07:15:21 0  1  1185

Use a new CSS file to overwrite the existing website's styles

My website currently has 3 CSS files that are automatically included as part of the website, I do not have access to the source code, i.e. the index.html file of the website, but I do have access to the CSS files of my website. I'm trying to override my website's CSS files with my own styles and cre...

P粉504920992 2023-08-23 09:15:29 0  2  548

Next.js 13 - Jotai's useHydrateAtoms hook causes UI mismatch

Working on Next.js13 projects using the new application directory and jotai as the global state manager. Now I try to use useHydrateAtoms hook to pass the initial state to my atoms as shown in the official documentation, but this results in a hydration error. Here's a simplified version of the code ...

P粉548512637 2023-08-29 15:28:26 0  1  657

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  636

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  767

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  699

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  591

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  551

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  978

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  495

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  682