我是大学生,我们的任务是创建一个搜索引擎.当添加到边界时,我很难生成分配给每个URL的唯一ID.我曾尝试使用SHA-256哈希算法以及Guid.这是我用来实现guid的代码:
public string generateID(string url_add)
{
long i = 1;
foreach (byte b in Guid.NewGuid().ToByteArray())
{
i *= ((int)b + 1);
}
string number = String.Format("{0:d9}", (DateTime.Now.Ticks / 10) % 1000000000);
return number;
}
Run Code Online (Sandbox Code Playgroud) 我目前正在将一段代码转换为 TypeScript 并遇到一些类型问题yup。我尝试了多种方法并参考了yup关于 TypeScript 支持的文档来解决这个问题,但无济于事。
https://github.com/jquense/yup/blob/master/docs/typescript.md
这是我的代码示例:
import { object, Asserts, string } from 'yup';
interface BaseBootstrapSchema {
APPLICATION_NAME: string;
LOG_PATH: string;
}
const bootstrapValidationSchema = object<BaseBootstrapSchema>().shape({ // error 1 here
LOG_PATH: string().required("The 'LOG_PATH' ENV variable is required"),
APPLICATION_NAME: string().required("The 'APPLICATION_NAME' ENV variable is required"),
});
interface BootstrapSchema extends Asserts<typeof bootstrapValidationSchema> {}
module.exports = (schema: BootstrapSchema) =>
new Promise((resolve, reject) =>
schema
.validate(process.env, { abortEarly: false }) // error 2 here
.then(() => resolve(true))
.catch((error: any) …Run Code Online (Sandbox Code Playgroud) 我有一个程序,没有任何目的,但帮助我了解如何异步和等待工作.它是一个控制台应用程序,它解析XML并等待返回名称,无论是姓氏还是名字.这是代码:
static void Main(string[] args)
{
Task<string> name = GetFirstParsedName();
name.Wait();
if (name.IsCompleted)
{
Console.WriteLine(name.Result);
}
Console.ReadLine();
}
static async Task<string> GetFirstParsedName()
{
string xmlSnippet = @"<person>
<FirstName>Chamir</FirstName>
<Surname>Bodasing</Surname>
<Gender>Male</Gender>
<Nationality>South African</Nationality></person>";
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.LoadXml(xmlSnippet);
XmlParser xmlParser = new XmlParser();
Task<string> t_GetFirstName = xmlParser.GetFirstName(xmlDoc);
Task<string> t_GetSurname = xmlParser.GetSurname(xmlDoc);
Task<string> t_firstReturnedName = await Task.WhenAny(new Task<string>[] { t_GetFirstName, t_GetSurname });
string firstReturnedName = await t_firstReturnedName;
return firstReturnedName;
}
static async Task<string> GetFirstName(XmlDocument personXml)
{
string firstName = personXml.SelectSingleNode("//FirstName").InnerText;
await …Run Code Online (Sandbox Code Playgroud)