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  707

laravel scheduled task weekly

laravel中定时任务看到有weekly， These methods may be combined with additional constraints to create even more finely tuned schedules that only run on certain days of the week. For example, to sched...

伊谢尔伦 2017-05-16 16:52:28 0  2  765

javascript - Concurrent access to Node is inconsistent with the expected result

The logic of the test is relatively simple, that is, Node accesses the database to query data. The execution time of the SQL statement is about 2 seconds. I used JMeter to conduct multi-thread testing (5 threads). According to the expected result (according to the non-blocking characteristics of Nod...

怪我咯 2017-06-22 11:54:23 0  1  807

javascript - Default viewport size issue on mobile?

That is, the mobile browser has a viewport by default. The default viewport of most mobile devices is 980px. So if a PC page is 980px wide, it will be rendered at 980px and then scaled according to a certain ratio, so that it can fit within the mobile phone. Fully displayed, then if the page is 1200...

过去多啦不再A梦 2017-05-19 10:36:25 0  1  545

Uncheck specific rows in Kendo Grid select column in ASP.NET MVC using JavaScript and jQuery: Step-by-step guide

I have a KendoGrid in my ASP.NETMVC5 project. One of the columns is a select column and I will try to uncheck the checkbox if it meets a certain condition. I've managed to deselect the checkbox. The problem is that it just changes the UI but doesn't remove what was deselected from this.select(). Jus...

P粉364642019 2024-03-30 17:18:30 0  1  523

android - Shouldn't the presentation of JD's mobile web page and the URL loaded by its app be exactly the same?

As we all know, mobile web development is not much different from web front-end development. The technologies used are all html+css+js; while web app development specifically refers to development using html5 technology. It is called web app because it is closer to client applications. The user expe...

漂亮男人 2017-05-24 11:37:14 0  3  1337

Comparing floating point calculations in Node.js: Differences between Intl.NumberFormat and decimal.js libraries

I want to understand the difference between Intl.NumberFormat and decimal.js libraries. If Intl.NumberFormat can handle monetary calculations, what does the decimal.js library do and what are its advantages over it? This question is specifically for Node.js (probably version 14+).

P粉663883862 2023-09-01 22:44:01 0  1  745

Remove terms and conditions from WooCommerce checkout page when only specific products are in cart

I sell event tickets and accept donations at https://development.pittsburghconcertsociety.org. When someone purchases a ticket, they must agree to the COVID policies. But when someone only "purchases" a donation, i.e. they just put the donation product in their cart, they don't need to agr...

P粉245003607 2023-07-30 10:35:54 0  1  518

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  988

Comparison of parent parameters used in Apollo GraphQL resolver vs. $lookup stage in MongoDB aggregation for joining Mongoose models

I'm developing a backend application using ApolloGraphQL and Mongoose. I have two models: User and Post, which have a one-to-many relationship (one user can have multiple posts, but one post belongs to one user). I want to query the user field in my GraphQL schema to get a user by user ID and all po...

P粉543344381 2023-09-02 09:22:26 0  2  939

Using Async/Await with .then()

I'm a little confused by the concept of async/await, especially when compared to .then() in functions. I'm currently working on a basic React app and fetching some data in useEffect I'm wondering, since fetch returns a Promise, why I don't need to mark anything as async or await when doing the follo...

P粉545682500 2024-02-03 16:32:02 0  1  495

In Laravel, is it possible to dynamically extend the session time based on the route accessed?

The title pretty much sums up my problem. The company I work for has a Laravel application where the session time on config/session.php is set to expire after 120 minutes, which is the default behavior and we don't want to change this value. But the system has a specific feature where the user has t...

P粉019353247 2023-09-01 17:36:54 0  1  654

Sorting HTML tables: a step-by-step guide

I'm not an HTML expert at all. I programmed the microcontroller and started going off on tangents. I have created an html document to display a table of microcontroller registers, register addresses and register descriptions. I have created a table with 3 columns and about 120 rows. Some register ad...

P粉023326773 2023-10-31 16:45:43 0  1  859

Learning experiences and unique insights into the site

As a student who has been following it for more than two years, I have indeed learned a lot from it, especially the toolkit above which is very convenient. When you first start learning PHP, you should build a LAMP or WAMP environment. Although there are many integrated environments on the Internet ...

骑着小毛驴逛世界 2020-06-03 18:09:20 0  0  980

[Must-read for front-end job hunting] Selected front-end development interview questions and answers_Extended questions

What is the most difficult technical problem you have encountered? How did you solve it? What are the commonly used libraries? Commonly used front-end development tools? What applications or components have you developed? How does page reconstruction work? List the features that make IE different fr...

天蓬老师 2017-11-13 13:07:13 1  2  1896

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  822

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  724

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  613