concurrency

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sqlite multiple databases insert/update/delete

I was wondering how SQLite behaves when it\'s given multiple databases to insert/update/delete in at the same time? Does it spawn multiple processes which can in theory have better concurrency than us[详细]

2023-04-09 18:50 分类：问答
Is there a name for this concurrency pattern?

The problem: we have critical path code that should never block. In many places it relies on configuration data, or similar, infrequently updated data from an external source.[详细]

2023-04-09 15:10 分类：问答
is there limit on concurrent connection number when browser downloading html resources?

Generally, in order to speed up overwhole loading, browser would open ser开发者_开发知识库val concurrent connection to download the resource files parallelly.[详细]

2023-04-09 09:02 分类：问答
Java: Creating a multi threaded reader

I\'m creating a reader application. The reader identifies based on the parameters which file to read, does some processing and returns the result to the caller.[详细]

2023-04-09 07:10 分类：问答
Locking stored procedure

I have a stored procedure with a select and an update. I would like to prevent multiple users, from executing it, at the same time, so I don\'t update, based on an incorrect select.[详细]

2023-04-09 05:00 分类：问答
What aynchronous Ruby server to use?

We\'re starting development of the new game project using Ruby. We decided to use one of the asynchronous Rub开发者_JAVA百科y servers, but we cannot decide which one to choose. Options are:[详细]

2023-04-09 04:34 分类：问答
How do I generate unique usernames on a shared database concurrently?

I need to generate account names automatically. They will be used in user software that will access my 开发者_如何学Pythonservice, so they are not necessarily pretty looking. I guess any alphanumeric[详细]

2023-04-08 22:59 分类：问答
Is Collections.syncronizedList effectively a vector?

Does Collections.syncronizedList(new ArrayList()) effectively makes the arrayList a vector? If no then what extra does it do?[详细]

2023-04-08 20:01 分类：问答
Concurrency accessing a shared resource

I am writing a Java application, that access to a configuration file stored as a shared resource in a Windows server. The app is thought to be used by around 500 employees, so it made me think about c[详细]

2023-04-08 18:19 分类：问答
How does java.util.concurrent.RecursiveTask work?

could anyone tell me the logic behind java.util.concurrent.Recursi开发者_如何学CveTask? I couldn\'t find the source code either on a very cursory look, so maybe someone can point me to it as well? Tha[详细]

2023-04-08 16:34 分类：问答