uuid java length

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BASE64 compression UUID length replace hibernate legacy UUID Generator

Label:1. BackgroundWhen I use Hibernate to do object mapping, I always use the UUID to master the key. Since Hibernate's UUID needs to occupy 32-bit characters, it generally makes people feel more efficient and increase storage usage.When I looked

BASE64 compression UUID length replace hibernate legacy UUID Generator

Label:This article comes from http://my.oschina.net/noahxiao/blog/132277, personal storage use1. BackgroundWhen I use Hibernate to do object mapping, I always use the UUID to master the key. Since Hibernate's UUID needs to occupy 32-bit characters,

Generate BASE58 format uuid (Hibernate Base64 format uuid cont.)

Label:BASE58 IntroductionBASE58 uses a character set of "123456789abcdefghijkmnopqrstuvwxyzABCDEFGHJKLMNPQRSTUVWXYZ", from which it is not difficult to see, Base58 are pure numbers and letters and remove the characters that cause visual confusion (0:

Is the UUID the primary key, or does it use self-increment?

I looked for a long time on the internet, some people say UUID is better, is in the sub-database table, merge data what is easier, also some people say self-increase, to the table of data more time, performance than the UUID is much better, in the

Java generation UUID

Tags: style blog http io color ar os using SPThe UUID meaning is a universal unique identifier (universally unique Identifier), which is a software construction standard and is also organized by the Open Software Foundation, OSF, in a distributed

Java generation UUID

Label:The UID meaning is a universal unique identifier (universally unique Identifier), which is a software construction standard and is also organized by the Open Software Foundation, OSF, in a distributed computing environment ( Distributed

JavaScript generates UUID

Label:des   blog   http   ar   io    os   sp   for   java    Code One:/*! Math.uuid.js (v1.4)

Four ways to generate UUID for JS

Tags: global random java Index space RET method generates the sameThe globally unique identifier (guid,globally unique Identifier) is also known as the UUID (universally unique Identifier).A GUID is a numeric identifier generated by the algorithm

"IOS" traverse all content of info && save device unique UUID

Label:des   android   class   blog   code    java    /** gets the device's imie*/std::string Deviceinfo::getimie () {#if (Cc_target_platform = =

Using Org.hibernate.id.UUIDHexGenerator which does not generate IETF RFC 4122 compliant UUID values;

Tags: uuid hibernateProject deployment, the following warnings are available during startup:[WARN]: Using org.hibernate.id.UUIDHexGenerator which does not generate IETF RFC 4122 compliant UUID values; Consider using Org.hibernate.id.UUIDGenerator

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