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Category: Opensource

Open-source software (open-source) is a new term that is defined as software whose source code can be used by the public, and the use, modification, and distribution of this software are not restricted by licenses. Open source software is usually copyrighted, and its license may contain such restrictions: deliberate protection of its open source status, notice of authorship, or development control. “Open source” is being registered as a certification mark by public interest software organizations, which is also a means of creating a formal definition of open source.

WCF using MSMQ DTC – close NHibernate session

I have a WCF MSMQ service (hosted in a Windows service). There is TransactionScopeRequired attribute on my method.

I am using Nhibernate to convert my The data is saved to my database. I want

October 12, 2021By Simo Hibernate close, DTC, MSMQ, NHIBERNATE, session, Using, WCFLeave a Comment

NHIBERNATE 3.3: Does the composite-id generate a Key property?

I have read that this mapping is impossible in NHibernate 3.3:

****

Basically I need a composite id attribute to be automatically calculated by NH.

There may be one Tips for gett

October 12, 2021By Simo Hibernate 3.3, composite, Generate, ID, key, NHIBERNATE, Property, whetherLeave a Comment

Hadoop Hive-2.3.5 installation

hadoop hive-2.3.5 installation:

Unzip the file: [[email protected] opt]# tar -zxvf apache-hive-2.3.5-bin.tar.gz -C /opt

Establish a soft connection: [[email protected] opt]# ln -s apach

October 12, 2021By Simo Hadoop 2.3.5, Hadoop, hive, installationLeave a Comment

Decimal field truncated using NHibernate 3.2 and FluentnHibernate 1.3

I have a situation where the decimal field is truncated to five decimal places when saving to the database. This happens even if I have mapped them with 10 decimal places precision.

I use NHi

October 12, 2021By Simo Hibernate 1.3, 3.2, decimal, Field, FluentnHibernate, NHIBERNATE, truncation, useLeave a Comment

Hibernate – How to set up the biggest result in DetachedCriteria?

I am using DetachedCriteria, I only want the first result of the query, so I want to do something like LIMIT in DetachedCriteria 1. When I search Google, I found setMaxResult but It’s standard.

October 12, 2021By Simo Hibernate DetachedCriteria, Hibernate, How, maximum, Results, settingLeave a Comment

TSQL – Should you use NHIBERNATE and SQL Server 2008 external connection extraction?

When extracting external connections, the Nhibernate documentation says:

If your database supports ANSI or
Oracle style outer joins, outer join
fetching might increase performance by
limit

October 12, 2021By Simo Hibernate connection, external, extraction, NHIBERNATE, server, should, SQL, TSQL, useLeave a Comment

NHIBERNATE: Insert and Update Date

What is the best way to handle InsertDate (a.k.a CreateDate) and UpdateDate columns using NHibernate?

For example:

public class Customer
{
public virtual string Name {get; set; }
pub

October 12, 2021By Simo Hibernate Date, INSERT, NHIBERNATE, UpdateLeave a Comment

HDFS advantages and disadvantages

Brief description of HDFS architecture

1. Introduction to HDFS

HDFS (Hadoop distributed File System): Hadoop distributed file system. It is developed based on the needs of streaming dat

October 12, 2021By Simo Hadoop advantages and disadvantages, HDFSLeave a Comment

Hive Advanced Query 1

hadoop hive advanced query select basics 1.0 general query

1)select * from table_name< /p> 2)select * from table_name where name=’….’ limit 1;

1.1cte and nested query

1)with t a

October 12, 2021By Simo Hadoop advanced, hive, inquiryLeave a Comment

Hibernate SQL query does not correctly map Boolean value?

Run the following through any SQL client

SELECT FALSE, TRUE; return

f, t But this SQL query:

SQLQuery qry = session.createSQLQuery(“SELECT FALSE, TRUE;”);
Object[] result = (Objec

October 12, 2021By Simo Hibernate boolerance, correct, Hibernate, Mapping, no, query, SQLLeave a Comment

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