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