Method to generate PDF files: Use Node.js to connect to MySQL database

I'm trying to generate a PDF file using Nodejs, Pdfkit and pdfkit-table using data stored in a Mysql database. I need to print records from a database to a table in a PDF document. The code below generates an empty PDF file. Please help me solve the problem why it is not generating PDF file with dat...

P粉154798196 2023-08-25 14:23:44 0  1  657

git - 在web应用分布式部署的情况下怎么进行配置更新

目前项目采用git管理，设想的是开发机器push到源码库，然后在每台生产环境的windows server上定时push最新代码，但目前的问题是开发阶段配置文件里面的参数之类都是指向测试环境的，生产环境的配置文件是不一样的...

巴扎黑 2017-05-02 09:19:02 0  3  814

Can different git accounts transfer files to the same github account through ssh key?

I have set up the ssh key on github: But when cloning the library on github through ssh, an error message appears: Is there any configuration I am missing? Supplement: ssh -vvv -T git@github.com Supplement: The file has been generated

習慣沉默 2017-05-02 09:43:38 0  2  639

PHPExcel exports xls garbled characters

When using PHPExcel's save method, {code...} direct download: {code...} The exported xls file can be downloaded directly through php://output, and the xls file will not be generated on the server; however, when downloading When , an error is reported directly. This error is caused by the browser dev...

ringa_lee 2017-05-16 13:03:35 0  2  788

shell - Centos使用root用户也无法删除文件

问题现象： Centos系统下使用root用户也无法删除文件。文件是因为网站程序有漏洞，被hack利用在机器上产生的。 {代码...} 已经使用lsattr命令检查过文件的隐藏属性 {代码...} 已经使用chattr -i list-128-1.html...

高洛峰 2017-04-24 16:00:34 0  1  842

How to convert mysqli query results to JSON format?

I have a mysqli query that I need to format into JSON for a mobile app. I have successfully generated an XML document of query results, but I'm looking for a more lightweight solution. (See current XML code below) $mysql=newmysqli(DB_SERVER,DB_USER,DB_PASSWORD,DB_NAME)ordie('There was a problem conn...

P粉794851975 2023-08-22 14:56:27 0  2  503

Create versatile Vue+Electron applications suitable for desktop and web deployment

I have used this template to develop my application which is a Vue application with Electron builder. Now I have a problem: I need to build for production and deploy my project once as an electron package and another time as a web application hosted on a web server. I also don't want to split it int...

P粉418214279 2024-03-29 15:40:18 0  1  466

The .env.Production variable is undefined after Vue is built

There are two .env files in my Vue2.2.3 project, .env.development and .env.development. In each .env file, I have assigned the VUE_APP_API_URL variable to a different value - one for my local development environment and another for the production server. Running npmrunbuild compiles the application ...

P粉897881626 2023-08-29 17:52:12 0  1  483

javascript - A simple H5 page can run on Android phones, but errors occur on Apple phones and Google Chrome.

Recently, I made a small translation demo by calling Baidu Translation API. I used bootstrap for css, and then I slightly changed the style. The js part is very simple. It generates a url address + query string according to the rules of Baidu api documentation, and then sends it to the server throug...

为情所困 2017-07-05 10:36:20 0  3  1120

How to make FastAPI perform SSR for Vue 3?

According to Vue's SSR documentation, it is possible to render an application using node.js and return it using an Express server. Can FastAPI do the same thing? Or is using Jinja2 templates or SPA the only solution? Problem: No SPA: Helps with SEO No SSG: Too many pages will be generated. Some need...

P粉004287665 2023-08-26 21:31:32 0  1  748

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  776

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  703

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  595

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  552

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  982

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  496

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  684

Spades, Diamonds, Hearts, Clubs => styles do not change font color in Chrome for Android

In Google Chrome on Windows, the card suit symbols (spades, hearts, diamonds, clubs) are colored correctly using the "style" attribute. Unfortunately, the same page displayed in Google Chrome on Android does not display the colors I defined but uses the default black and red. (See the atta...

P粉896751037 2023-09-05 15:25:13 0  1  746