uniqueidentifier

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NFC sample Application for Nexus S Emulator

I\'mnew to Android development. I am trying to Integrate NFC application on my Nexus S emulator which is installed in my windows machine. I am struggling a lotto develop the application for NFC demo.[详细]

2023-04-04 23:46 分类：问答
sequence number generate for web application

The requirement : it is require to generate a unique开发者_运维百科, number for a each and every web request, this number is used to identify the transaction uniquely and track the transaction propaga[详细]

2023-04-03 10:04 分类：问答
How to convert string to uniqueidentifier?

I want to insert a开发者_如何学Python string into a table as a uniqueidentifier type. But when I insert it to the database, it throws an error. How can i convert a string to a uniqueidentifier?You can[详细]

2023-03-31 20:24 分类：问答
How to make sure SQLite never create a row with the same ID twice?

I have a SQLite table that looks like this: CREATE TABLE Cards (id INTEGER PRIMARY KEY, name TEXT) So each time I create a new row, SQLite is going to automatically assign it a unique ID.[详细]

2023-03-27 15:47 分类：问答
Class Instantiation with Unique Object Name in an Event Handler method (at runtime)

I have searched around a lot for a solution, but could not find any. I have a server application (in .NET) that receives video streams from multiple devices. The library tha开发者_Go百科t I am using t[详细]

2023-03-27 07:46 分类：问答
Uniquely identify a SQL Server computer via T-SQL

We are working on a licensing system for a client-server application where the only server component is a database (no application server). We would like to issue licenses to a particular server that[详细]

2023-03-27 07:30 分类：问答
shared variable in map reduce

I need a variable that shared between reduce tasks and each of reduce tasks ca开发者_运维百科n read and write on it atomically.[详细]

2023-03-27 05:05 分类：问答
How is a guid actually stored and sorted/compared in SQL Server?

Say I have this guid: {2A87E3E2-2B6A-4149-9F5A-1B76092843D9} Does it actually store this an an alpha numeric in the database?(I don\'t think so cause it has to fit in 16 bytes.)[详细]

2023-03-26 11:49 分类：问答
NewSequentialId on UniqueIdentifier Clustered Index

I am working on database standards for a new database my company is starting.One of the things we are trying to define is Primary Key and Clustered Index rules in relation to UniqueIdentifiers.[详细]

2023-03-26 02:56 分类：问答
MySQL get unique key while selecting

I\'m making this select: select code,name from开发者_开发技巧 talbe1 union all select code,name from table2[详细]

2023-03-25 08:11 分类：问答