guid

What is {{$guid}} used for in Postman?

由 孤人 提交于 2019-12-08 14:46:25
问题 Postman's official website states that Postman has a few dynamic variables. My question is about: {{$guid}}:Adds a v4 style guid What kind of variable is {{$guid}} ? How can it be used in test scripts for API requests? 回答1: GUID is the acronym for "Globally Unique Identifier". A GUID is mainly used to produce hexadecimal digits with groups separated by hyphens for uniqueness purposes, for example: b3d27f9b-d21d-327c-164e-7fb6776f87b0 In postman you can use this to generate and send a random

Why does the parameterless Guid constructor generate an empty GUID?

由 情到浓时终转凉″ 提交于 2019-12-08 14:40:23
问题 Why does the parameterless Guid constructor generate an empty GUID rather than default to a generated one as with Guid.NewGuid()? Is there a particular use for an empty Guid? 回答1: Why does the parameterless Guid constructor generate an empty GUID rather than default to a generated one as with Guid.NewGuid()? Short answer: Because the language/runtime didn't let the designer of the Guid type define a default constructor. It's not only conventional that the value of a "default-constructed"

Asp.Net Button Event on refresh fires again??? GUID?

由 北城以北 提交于 2019-12-08 07:53:20
问题 The obvious issue here is that on refresh a button event is recalled and duplicate posts are created in the database. I have read other questions on this site about the very same issue. Apparently the answer is for every post create a GUID and check to make sure the GUID is unique? I am not really sure how to implement this. Does that mean on refresh, it will try and create a duplicate post with the same GUID? How do you implement a GUID into your database? Or if this is not the answer, what

C# Create an Auth Token from Guid combined with 40Char Hex string (UUID)

由 随声附和 提交于 2019-12-08 05:33:40
问题 I am writing an asp.net MVC app that drives an IPhone application. I want the Iphone to send me its UUID looks like this: 2b6f0cc904d137be2e1730235f5664094b831186 On the server I want to generate a Guid: 466853EB-157D-4795-B4D4-32658D85A0E0 On both the Iphone and the Server I need a simple aglorithm to combine these 2 values into an Auth token that can be passed around. Both the IPhone and the ASP.NET MVC app need to be able to compute the value over and over based on the UUID and the GUID.

SQL Server GUID (from Active Directory) vs Int

由 蹲街弑〆低调 提交于 2019-12-08 03:50:55
问题 We migrated a lot of data from our old ordering system. This system stored the users initials in our "Orders" table for each order they created. Now that we have a view that looks at active directory I would like to update those initials with the active directory objectguid (or something that references the guid). This would allow us to change the users initials in active directory without having to worry about updating the "Orders" table records. I've read that index performance is

Use of GUIDs as id in public facing data integration web service

由 梦想与她 提交于 2019-12-08 01:31:51
问题 To put the question into some context, the system exposing the web service uses GUIDs internally as identifiers for all entities. In such case, when designing a public facing data integration web service (used mainly for importing or exporting data from the system to other, external systems), what would you consider as pros and cons of using the internal identifiers in the interface of the service? With such solution, the export methods of the web service would return the dto's identified

Incorrect Guid order

由 与世无争的帅哥 提交于 2019-12-07 22:26:18
问题 Ok I have a GUID f5cc4100-f1b4-4af6-9e9e-224b0eb74166 and I am inserting it to MySQL database using the ADO .NET Connector. I can do it in two ways: 1) Feed byte array to .NET Connector string query = "insert into test (pk_id) values (@id)"; using (var c = new MySqlCommand(query, conn)) { c.Parameters.AddWithValue("@id", new Guid("f5cc4100-f1b4-4af6-9e9e-224b0eb74166").ToByteArray()); c.ExecuteNonQuery(); } 2) Rely on MySQL standard function to convert hexadecimal to binary string. string

Asp.Net Button Event on refresh fires again??? GUID?

由 蓝咒 提交于 2019-12-07 09:52:34
The obvious issue here is that on refresh a button event is recalled and duplicate posts are created in the database. I have read other questions on this site about the very same issue. Apparently the answer is for every post create a GUID and check to make sure the GUID is unique? I am not really sure how to implement this. Does that mean on refresh, it will try and create a duplicate post with the same GUID? How do you implement a GUID into your database? Or if this is not the answer, what is? Thank you! The idea is that you create a unique number for the form, and when the form is posted

How to use the original Guid in the SQL statement instead of the little endian one?

由 血红的双手。 提交于 2019-12-07 07:35:10
问题 I know we can INSERT INTO "Table1" VALUES(X'57A00F3015310D4081AD4ADEF3EBDB5E'); But this little endian format is difficult to compare to the original Guid 300FA057-3115-400D-81AD-4ADEF3EBDB5E How to use the original Guid in the SQL statement instead of the little endian one? 回答1: If you want to easily compare to the original without converting then store it as text. It'll take more storage space and will be slower to read/write/compare, but it'll be more human readable. 回答2: I'm having

Why does this VBA print out random garbage?

由 不羁的心 提交于 2019-12-07 07:25:23
问题 Why does this VBA function print out random garbage at the end of the string ? Public Function GenGuid() As String Dim TypeLib As Object Dim Guid As String Set TypeLib = CreateObject("Scriptlet.TypeLib") Guid = TypeLib.Guid ' format is {24DD18D4-C902-497F-A64B-28B2FA741661} Guid = Replace(Guid, "{", "") Guid = Replace(Guid, "}", "") 'Guid = Replace(Guid, "-", "") GenGuid = Guid End Function print genguid() 816BF7CB-68B9-4D6B-855B-1273F22063DB 6 print genguid() 53664789-B0CD-422C-87B4
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