1. The document discusses RESTful APIs and gRPC, comparing their characteristics and use cases.
2. RESTful APIs typically use HTTP and JSON to access resources via URLs while gRPC uses protocol buffers and HTTP/2 for efficient streaming and RPC.
3. gRPC is better suited for microservices and mobile apps due to its ability to handle streaming and performance, while REST is more widely used due to its simplicity and support in most languages.
Python Django tutorial | Getting Started With Django | Web Development With D...Edureka!
This tutorial will help to learn what Django framework is and how it is used for web development. Below are the topics covered in this Python Django tutorial:
1. What is a Web Framework?
2. Why Python Django?
3. What is Django?
4. Companies using Django
5. Django Installation
6. Django MVC- MVT Pattern
7. Demo - Get Started with Django
1. The document discusses RESTful APIs and gRPC, comparing their characteristics and use cases.
2. RESTful APIs typically use HTTP and JSON to access resources via URLs while gRPC uses protocol buffers and HTTP/2 for efficient streaming and RPC.
3. gRPC is better suited for microservices and mobile apps due to its ability to handle streaming and performance, while REST is more widely used due to its simplicity and support in most languages.
Python Django tutorial | Getting Started With Django | Web Development With D...Edureka!
This tutorial will help to learn what Django framework is and how it is used for web development. Below are the topics covered in this Python Django tutorial:
1. What is a Web Framework?
2. Why Python Django?
3. What is Django?
4. Companies using Django
5. Django Installation
6. Django MVC- MVT Pattern
7. Demo - Get Started with Django
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21. 21
3.C# (.NET系) から接続
実際に使う時の注意点的な何か。
●TransactionScope
using (TransactionScope tran = new TransactionScope())
{
…
}
TransactionScope内の処理を1トランザクションとして
扱ってくれる。分散トランザクションにも対応している。
ただし検証だと分散トランザクションに失敗する。
using (TransactionScope tran = new TransactionScope())
{
…
}
22. 22
3.C# (.NET系) から接続
実際に使う時の注意点的な何か。
●TransactionScope
using (TransactionScope tran = new TransactionScope())
{
using (NpgsqlConnection conn1 = new NpgsqlConnection(url1))
…
using (NpgsqlConnection conn2 = new NpgsqlConnection(url2))
}
using (NpgsqlConnection conn1 = new NpgsqlConnection(url1))
using (NpgsqlConnection conn2 = new NpgsqlConnection(url2))
using (TransactionScope tran = new TransactionScope())
{
…
}
昔の検証で失敗したパターン
昔の検証で成功したパターン