Download Bitcoin prices using Html Agility Pack written in C#

I need to get Bitcoin price from https://coinmarketcap.com/currencies/bitcoin/ using HtmlAgilityPack. I'm using this example and it works fine: varhtml=@"http://html-agility-pack.net/";HtmlWebweb=newHtmlWeb();varhtmlDoc=web.Load(html);varnode=h

P粉156532706 2023-09-05 17:17:03 0  1  726

Update numeric data in two rows using Laravel MySQL

I have a details table in my database that contains the number of rows. See below. Divided into two rows, there are 1250 and 1250 rupees in one column. I'm showing a total of 2500. But when the user wants to use the full total I want to update the data in two columns, how to update these two rows in...

P粉161939752 2024-02-17 18:43:50 0  1  346

Calculate the total price at different percentages for each increment

I'm trying to write a calculator for price estimation like this: 1000MTU the price will be 0.035 so the total will become 352000MTU the price will be 0.034 the total will become 673000MTU the price will be 0.0329 so the total will become 98.79 etc. .....I have written the following code but it is gi...

P粉539055526 2024-04-03 00:13:22 0  1  488

Update using multiple JOINs in MySQL/Python

The first set of questions were deemed too similar to another post (it wasn't) and were closed... so I've made another attempt here, hopefully better worded this time. Some background: We have a relationship here. Securities (coins) + currencies (base coins) form a pair. A pair and a broker form an ...

P粉512526720 2023-09-12 21:19:12 0  1  879

mongodb > 3.0.0导入数据特别慢

使用mongodump导出后,v3.x 相比 v2.6.6 mongorestore导入速度慢了不止一个数量级 大概200万的数据(2GB) 总共只需要5分钟的样子 v3.x不知道是不是因为使用了身份验证的原因导入只有3MB/S

过去多啦不再A梦 2017-05-02 09:18:22 0  2  781

Compare variable name and button ID to dynamically load content in ThreeJS

I'm using Three.js to load multiple 3D models and store them in an array in the background. I have multiple buttons with unique IDs that add that specific model to the scene. Now I want to compare the button ID and variable name so that I can load only that specific model and remove any other models...

P粉301523298 2024-02-21 20:27:15 0  1  429

php - How to count the traffic of each website in the Linux server?

There is an Alibaba Cloud ecs with many websites deployed in it. Recently, the server has been particularly stuck. It is found that the number of visits is relatively large and the bandwidth is full. How can I count the traffic statistics of each website in the server and find out which website uses...

为情所困 2017-06-14 10:50:12 0  4  1025

How to apply discount on variables and individual products in WooCommerce based on cart quantity and product attributes?

I'm trying to apply a percentage discount based on the number of products in the cart with a specific product attribute. More specifically, my goal is to apply a 15% discount on the purchase of at least 6 products with the attribute "flaske". I have successfully implemented a discount appl...

P粉592085423 2023-07-23 13:26:53 0  1  666

Does Mongodb obtain the entire document after conditional query?

For example, there is a set of data: {code...} What is queried is the entire data.fruite; Q1: Is there any way to get only the piece of data queried by the filter? What if the document object size is relatively large? Q2: Is this a feature of Mongodb? After matching the filter condition, is the enti...

仅有的幸福 2017-05-02 09:24:53 0  2  704

Sharding - Java backend code implementation and best practices after database sharding and table cutting

In the current business, some tables are getting larger and larger, and the pressure is very high when reading (the demand for writing is relatively small), so on the database side, we decided to cut some tables with particularly large amounts of data into tables. However, there are a lot of codes i...

过去多啦不再A梦 2017-06-23 09:12:49 0  5  993

MySQL issues when summarizing sales data from two separate tables

Thank you very much in advance for your support. I'm learning SQL and generating some data to play with, but I'm stuck on one simple thing. The table in the screenshot below shows part of my sales20 table, which shows the sales achieved by each employee in 2020 along with region and date information...

P粉391677921 2024-04-04 14:22:13 0  2  515

Laravel Blade: compare string to object

I'm running into a strange problem when comparing an object to a string in a Laravel blade file. I have a variable that can be a string ("N/A") or an object depending on the result of the database query, and I have the following conditional check: @if($a_string_name=='N/A') if it returns a...

P粉797855790 2023-09-01 21:44:49 0  1  577

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  852

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  741

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  633