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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

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

Modify sql data, the data is inaccurate in the case of concurrency

Guys, how do you solve this problem? This is a metaphor for increasing user gold coins ~ the data is inaccurate under concurrency.

P粉592730670 2022-08-08 09:01:40

angular.js - How to use some es7 features?

Please tell me, I want to use some features of es7 in angular2, such as Array.observe(). I use vscode, and an error will be reported, such as: {code...} Reference to the feature library: {code...}

曾经蜡笔没有小新 2017-05-15 17:07:20

javascript - The data requested using angular needs to be rendered to the page in chunks based on time. Any ideas?

{Code...} The requested data is similar to this. The data needs to be displayed based on the time in the time field and the month. How to filter the data in June and July? For example, when rendering to the page, it should be displayed like this: The amount on June 23: 3000 Category: RMB 24th Amount...

欧阳克 2017-06-28 09:27:04

How to separate data using angular filter

{Code...} The requested data is similar to this. The data needs to be displayed based on the time in the time field and the month. How to filter the data in June and July? For example, when rendering to the page, it should be displayed like this: The amount on June 23: 3000 Category: RMB 24th Amount...

女神的闺蜜爱上我 2017-06-28 09:27:13

javascript - The relationship between callback functions and closures

Does the callback function use the closure feature? For example: {code...}

伊谢尔伦 2017-07-05 10:54:10

php - How does Yii flexibly configure the type and number of points affected by the entire site operation?

Operations such as user posts, favorites, support, opposition, etc. all involve the increase or decrease of the user's points, but points are divided into N types. How to uniformly manage which type of points are associated with these operations and the amount of increase or decrease? For example: w...

習慣沉默 2017-06-07 09:23:06

If you use C++ and learn PHP, will it get better?

As the title states, I am familiar with C++ and STL. If you want to take on private work, the client requires a lot of PHP. How long will it take to learn PHP from scratch? Is there anything special I need to pay attention to when studying on a Mac computer?

倪丰 2017-09-18 18:20:36

javascript - Three ways to write js anonymous functions

The following is the anonymous function of JS. What are the differences between these three forms and what are the characteristics of each? {code...}

漂亮男人 2017-05-19 10:39:41

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

Find the proportion of each value in the column using pandas in python

For example, I have a dataframe called df {code...}. The current method is {code...}. It feels very slow. Is there any faster way?

滿天的星座 2017-05-18 10:55:04

too much content

How to upload content if there is a lot of content? For example, a large article $smarty->assign('content','A large article'); would it be a little bit...

඀඀ 2018-10-08 10:24:34

javascript object problem

js objects, what knowledge is often used in actual development? Array? time? Regular expression? For example, do you need to use these for slideshows or other special effects?

PHPz 2017-05-18 10:52:15

How to make diff in Git without cloning

The demand is quite special. There are a batch of remote warehouses that need to be scanned, and the diffs within a period of time are needed. It would be troublesome to clone them all and then check the diffs separately. Is there any way to directly svn diff -r 3000:3500 like svn? http:// svn.xxxx....

迷茫 2017-05-02 09:38:27

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