原创 12個乒乓球,有一個次品,不知輕重。用一臺無砝碼天平稱3次,找出次品。並且告知次品是輕了,還是重了。

信息論 對於此問題:12個球都不知輕重,那麼每一個球都有輕/重之分,12個球就有24種可能且未稱之前這些球的輕重的概率都一樣1/24運用公式:要確定出這些球的信息量爲:log24 對於秤來說:每稱一次其結果爲:相等 左重右輕 左輕右重其以上

原创 HTMLElement: offsetParent property

HTMLElement: offsetParent property The HTMLElement.offsetParent read-only property returns a reference to the element wh

原创 Why I see scss file in my chrome inspector?

Why I see scss file in my chrome inspector? Because there are map files in your CSS folder like *.css.map and *.scss.m

原创 az-104 practice-001

Question 1 of 50 You have a Microsoft Entra tenant named contoso.com. Microsoft Entra Connect is configured to sync use

原创 datatables 在線sample

https://live.datatables.net/koqiwave/2/edit  

原创 Firefox developer tools truncates long network response, Chrome does not show

Firefox developer tools truncates long network response, Chrome does not show Firefox dev tools network inspector still

原创 AZ-900 practice test-004

  Question 7 of 50 Which two Azure resources can make use of availability zones? Each correct answer presents a complete

原创 az-204和az-900practice回顧

https://learn.microsoft.com/en-us/credentials/certifications/exams/az-204/ https://learn.microsoft.com/en-us/credentials

原创 WEBSITE_LOCAL_CACHE_OPTION Environment variables and app settings in Azure App Service

Environment variables and app settings in Azure App Service   Setting name Description WEBSITE_LOCAL_CACHE_OPTION

原创 Explore change feed in Azure Cosmos DB

Explore change feed in Azure Cosmos DB Reading change feed with a push model There are two ways you can read from the ch

原创 az-204 practice-004

  Question 16 of 50 You manage an instance of Azure API Management. You define policies to multiple scopes. You need to

原创 sas type of azure storage

Shared access signatures (SAS) are a secure way to delegate access to Azure Storage resources. They provide a way to gr

原创 Fiddler not intercepting PowerShell web requests

Fiddler not intercepting PowerShell web requests Fiddler actually works via a proxy, and automatically sets proxy sett

原创 consistency level of Azure Cosmos DB account

In Azure Cosmos DB, the consistency level defines the trade-off between consistency, availability, and partition tole

原创 when to use system-assigned managed identities? when to use user-assigned managed identity

In Azure, Managed Identities are a way to securely provide credentials to Azure resources without storing sensitive i