create new guid

JavaScript generates GUID (globally unified identifier) and guid unified identifier GUID (globally unified identifier) refers to the number generated on a machine, which ensures that all machines in the same time and space are unique. Generally, the

(Transferred from: http://blog.csdn.net/maonongwu/article/details/6327093)GUID IntroductionGUID (Global unique identifier) Globally unique identifier, which is a 16-byte binary value generated by the identity number on the network card (each network

Background: During this time, I will create some website programs for a tourism website. The data table is roughly as follows: the general situation of the database table is the Access database. There are two data tables: TC_TourCompany and

One, uniqueidentifier is a data type that stores the value of the GUID.uniqueidentifier data type is a 16-byte GUID.A column or local variable of uniqueidentifier data type can be initialized to a value in the following ways: By using the

When defining a model class using ASP., we typically define a property of int id{get;set;} or int classnameid {get;set;}, in which case1, int type primary keyThe default convention for EF is that the first property, if it is the class name +id or

I recently read a blog post on what is better using GUIDs or Integer values. This is been a age long debate and there be advocates in both camps stressing on the disadvantages of the other. Well both implementations has their advantages and

What I want to achieve is that the uploadify upload image into the database automatically generate tokens to think of the GUID The upload class is using the thinkphp itself upload class results inserted into the database found that each picture is

Let's talk about the widely used disks.Partition TableSolution. TraditionalPartition Scheme(Referred to as the MBR partition solution) isPartitionSave informationDiskOf the 64 bytes in the first sector (MBR sector), each partition item occupies 16

The database for the new project uses the GUID as the database primary key.The main considerations are as follows:1, follow-up may have data migration2. Sync, merge, etc. between server and client to avoid data conflict3. Business agnostic of

Code As follows: JScript Copy code The Code is as follows: function generateguid (){ VaR typelib = new activexobject ("scriptlet. typelib "); Return (typelib. guid ); } VBScript Copy codeThe Code is as follows: function generateguid ()Dim