Skip to navigation Skip to content
Simon Technology Blog
  • Architecture
  • Cloud
  • Database
  • Develop
  • Hardware
  • Industry
  • Language
  • Mobile
  • Opensource
  • OS
  • Web
Main Navigation

Author: Simo

Hibernate – uses producers in Tomcat to inject EntityManager

I am running a project using Hibernate and Weld CDI on tomcat 7. I have written a ServletContextListener to create EntityManagerFactory and EntityManager during application startup.

public cl

October 12, 2021By Simo Hibernate EntityManagerLeave a Comment

HBase (2) – Build Standalone HBase

HBase build–Standalone HBase 1, build method description the setup of a single-node standalone HBase. A standalone instance has all
HBase daemons — the Master, RegionServers, and ZooKeeper — runni

October 12, 2021By Simo Hadoop built, HBase, Second, StandaloneLeave a Comment

Event – How do I adjust my event observer in Magento?

My observer is not called. I want to know how to dispatch the event so that I can debug it. < div class="answer"> This is a breakdown of Magento’s Mage_Core_Model_App::dispatchEvent() call, which

October 12, 2021By Simo Hadoop China, debugging, Event, How, Magento, my, observationLeave a Comment

Big Data Quarry Presto, 10 times faster than HIVE

At present, the most popular big data query engine is Hive. It is a SQL-like query tool based on MR. It interprets the input query SQL as MapReduce, which can greatly reduce the threshold for using

October 12, 2021By Simo Hadoop big, cutlery, data, deployment, Double, FAST, hive, Presto, queryLeave a Comment

Hadoop fs -cp, said that the file does not exist?

The new.txt file is certain; I don’t know why when I try to enter the hdfs directory, it says the file does not exist.

deepak@deepak:/$cd $HOME/fs
deepak@deepak:~/fs$ls
new.txt
deepak@deepak:

October 12, 2021By Simo Hadoop cp, existence, file, fs, Hadoop, sayLeave a Comment

Use NHibernate for ASP.NET MVC and user authentication

I am about to start a new application and am excited about using asp.net mvc and nhibernate. However, the biggest “problem” is how do I handle user authentication things. Those What is the way to u

October 12, 2021By Simo Hibernate ASP, ASP.NET, Identity, MVC, NHIBERNATE, user, Using, verificationLeave a Comment

JSR 303 (Hibernate Verifier 4) and Spring 2.5.x.

How do I configure my Spring 2.5.x application to use JSR 303 authentication (hibernate validator 4x)? I am using Maven and updated the version of hibernate validator to 4.x, but when my Spring Hib

October 12, 2021By Simo Hibernate 2.5.x, Hibernate, JSR, spring, verificationLeave a Comment

Hadoop sequence data access

According to Hadoop authoritative guidelines:

HDFS is a filesystem designed for storing very large files with
streaming or sequential data access patterns

What is streaming or sequenti

October 12, 2021By Simo Hadoop Access, data, Hadoop, orderLeave a Comment

Hibernate is not inserted into the DTYPE – value NULL

I basically have the following categories:

@Entity
@Table( name=”user “)
@Inheritance( strategy = InheritanceType.JOINED )
public abstract class User implements Serializable
{
private static

October 12, 2021By Simo Hibernate DTYPE, Hibernate, insertion, no, null, valueLeave a Comment

Hadoop pseudo-distribution

The virtual machine creation and basic linux configuration are skipped, and the key configuration for building a pseudo-distributed hadoop cluster on a single node is recorded.

Get the hadoop

October 12, 2021By Simo Hadoop distributed, Hadoop, Pseudo, setLeave a Comment

Posts navigation

Page 1 … Page 170 Page 171 Page 172 … Page 590
Recent Posts
  • Sencha-Touch-2 – Sencha Touch 2, Nested XML Analysis NodeValue
  • Add a separation line and format XML content
  • Is there a norm of simplified XML subsets?
  • Look at it when you write React
  • ReactJS – Present React Redux React-Router App to add the server to the Firebase hosted by the Firebase
Categories
  • Android
  • Apache
  • Apache Kafka
  • Asp
  • Auto-Test
  • Automated Build
  • Aws
  • Bitcoin
  • Browser
  • C & C++
  • C#
  • Centos
  • Cgi
  • Character
  • Cloud Service
  • Cocos2dx
  • Cordova
  • CSS
  • Data Structure
  • Delphi
  • Design Pattern
  • Dojo
  • Dubbo
  • ELK
  • Flex
  • football
  • Game
  • Hadoop
  • Hibernate
  • HTML
  • Hybrid
  • Intel
  • IOS
  • Ipad
  • iPhone
  • Java
  • Javascript
  • Jetty
  • JQuery
  • Jsp
  • Linux
  • Load Balance
  • Lua
  • Macbook
  • Macos
  • Mathematics
  • Micro Services
  • Monitoring
  • Motherboard
  • Mysql
  • Network Hardware
  • Network Marketing
  • Nginx
  • NodeJs
  • Nosql
  • Oracle
  • Os Theory
  • Performance
  • PHP
  • Postgresql
  • Power Designer
  • React
  • Redis
  • Regexp
  • Rom
  • Rss
  • Ruby
  • Search Engines
  • Shell Script
  • Silicon Valley
  • Silverlight
  • Software Design
  • Spring
  • Sql
  • Sqlite
  • Sqlserver
  • Storage
  • Storm
  • Surface
  • SVN
  • Swift
  • System Architecture
  • Tablet
  • Uncategorized
  • Unix
  • Visual Basic
  • Visual Studio
  • Web Crawler
  • WebService
  • Windows
  • Wireless
  • XML
  • ZooKeeper
Archives
  • October 2021
  • September 2021
  • August 2021
  • May 2021
  • April 2021
  • September 2020
  • September 2019
  • August 2019
  • June 2019
  • May 2019
  • April 2019
  • March 2019
© Simon Technology Blog 2026 • ThemeCountry Powered by WordPress