touchsmart tx2

transactiontx2=session.begintransaction (); user.setname ("emma_1");//persistent anotheruser.setname ("kevin_1"); //Transient tx2.commit (); TUser user = new TUser (); TUser anotheruser = new TUser (); User.setname ("Emma"); Anotheruser.setname ("Kevin"); At this point both the user and anotheruser are in the transient state Transaction tx = Session.begintransaction (); Session.save (user); The user object at this time has been inclu

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cache of Hibernate and turn it into a persistent object. The following code:Configuration cfg = new Configuration ();SessionFactory sf = cfg. configure (). buildSessionFactory ();Customer customer = new Customer ("zx", 27, images); // The customer object is in the Free State.Session session = sf. openSession ();Transaction tx = session. beginTransaction ();Session. save (customer); // after saving, the customer object is in the persistent state.Session. flush (); // After clearing the cache, th

First, the definition:A secondary cache is a process or cluster-wide cache that can be shared by all sessions and is a configurable plugin二、二级 caching schematic diagramParse: Every time an object is removed from the level two cache, it is a new object.Three, the configuration steps are as follows:Similarly: Take employee and departmental classes as an example① Introducing JAR Packages② Key points:Large configuration Hibernate.cfg.xml turn on level two cache③ Add the Ehcache.xml file under src an

precision. It is better to use version (integer ). Use version to test the Code: First, add the version attribute to the people class and provide the get and set methods. Then add the following in the people ing file: the integer method is used as an example. Finally, the test class: versiontest Package COM. yinger. main; import Org. hibernate. session; import Org. hibernate. transaction; import COM. yinger. domain. name; import COM. yinger. domain. people; import COM. yinger. util. hibernate

first, the Definition:A secondary cache is a process or cluster-wide cache that can be shared by all sessions and is a configurable plugin二、二级 caching schematic diagramParse: every time an object is removed from the level two cache, it is a new object.three, the configuration steps are as Follows:Similarly: take employee and departmental classes as an example① Introducing JAR Packages② Key Points:Large configuration Hibernate.cfg.xml turn on level two cache③ Add the Ehcache.xml file under src an

. Std_logic_1164.all; Use IEEE. Std_logic_arith. All; Use IEEE. std_logic_unsigned. All; Entity BAUD2 is ---9600 Port (clk:in std_logic; Bclk:out std_logic); End Baud2; Architecture behavioral of BAUD2 is begin Process (CLK) variable cnt:integer:=0; Begin If Rising_edge (CLK) then if cnt>=5208 then cnt:=0; bclkSend Module Library IEEE; Use IEEE. Std_logic_1164.all; Use IEEE. Std_logic_arith. All; Use IEEE. std_logic_unsigned. All;

Do the game client more than a year, in the University of Java SSH, basically forget, today to see the basic connection to the database has forgotten ... Too horrible for this forgotten speed.So write an example of a connection. Two new table Tx1,tx2 were created after the MySQL database was installed. Next, connect to the database and insert the data into the previous two tables.The first is the public connection class:Testconnection.java PackageCn.w

nomodify notrap nopeer noquery 4 # restrict-6 default kod nomodify notrap nopeer noquery 5 restrict default nomodify 6 restrict 192.168.8.0 mask 255.255.255.0 nomodify 11 restrict 127.0.0.1 18 # server 0.rhel.pool.ntp.org 19 # server 1.rhel.pool.ntp.org 20 # server 2.rhel.pool.ntp.org 21 server 192.168.8.70 31 server 127.127.1.0 # local clock 32 fudge 127.127.1.0 stratum 10 [Root @ tx1 ~] #/Etc/init. d/ntpd restart Shutting down ntpd: [OK] Starting ntpd: [OK] Client Test Note: the IP address a

First, the definition:A secondary cache is a process or cluster-wide cache that can be shared by all sessions and is a configurable plugin二、二级 caching schematic diagramParse: Every time an object is removed from the level two cache, it is a new object.Three, the configuration steps are as follows:Similarly: Take employee and departmental classes as an example① Introducing JAR Packages② Key points:Large Configuration Hibernate.cfg.xml turn on level two cache③ Add the ehcache.xml file under src

;Importorg.hibernate.Session;Importorg.hibernate.Transaction;Importorg.junit.Test;Importcn.happy.entity.Emp;Importcn.happy.util.HibernateUtil; public classstest {Transaction tx; Session session; Transaction tx2; Session session2; @Test public voidtestbulk () {session=hibernateutil.getsession (); TX=session.begintransaction (); EMP EMP= (emp) Session.get (emp).class, 1); System.out.println (emp); Tx.commit (); Hi

fudge 127.127.1.0 stratum 10 [Root @ tx1 ~] #/Etc/init. d/ntpd restart Shutting down ntpd: [OK] Starting ntpd: [OK] Client Test Note: the IP address and Host Name of the ntp server must be added to/etc/hosts on the client. [Root @ tx2 ~] # Ntpdate 192.168.8.70 2 Mar 00:35:44 ntpdate [11181]: no server suitable for synchronization found Note: After the ntp service is started on the ntp server, it may take five minutes for the ntp server to synchroniz

, Session.update () method: I have previously said in the Entity Object State Transformation section that the Session.update () method can transform an object in a free state into a hibernate internal cache and become a persisted object. As in the following code: Configuration cfg = new Configuration (); Sessionfactory sf=cfg. Configure (). Buildsessionfactory (); Customer Customer=new Customer ("ZX", 27,images);//customer objects in a Free State Session session=sf.opensession (); Transaction t

Transformation section, session.update () method is able to integrate an object that is in a free State into Hibernate internal cache and becomes a persisted object. As in the following code: Configuration cfg = new Configuration (); sessionfactory sf=cfg. Configure (). Buildsessionfactory (); Customer Customer=new Customer ("ZX", 27,images); Customer object is in a Free State Session Session=sf.opensession (); Transaction tx=session.begintransaction (); Session.save (customer);/ after saving

sink//you need to create a table, you can manually specify Rowkey and col#设置正则hbase类型A1.sinks.k1.type = HBaseA1.sinks.k1.serializer = Org.apache.flume.sink.hbase.RegexHbaseEventSerializer#手动指定rowkey和列, [Row_key] must be some, and uppercaseA1.sinks.k1.serializer.colNames = Row_key,name,age#指定正则, corresponding to ColA1.sinks.k1.serializer.regex = (. *), (. *), (. *), (. *)#指定rowkey索引A1.sinks.k1.serializer.rowKeyIndex = 0A1.sinks.k1.table = Ns1:flumea1.sinks.k1.coluFamily = F1Write to hive:hive si

the transitent, into the persistent after the automatic update. Look at the following code:Create a Transient object user user = new user (); User.setname (userName); User.setpassword ("test"); User is still a transient object session session = Sessionfactory.opensession (); Tansaction tx = Session.begintansaction ();//At this time the user is still a transient object Session.save (user),//At this time the user has become persistent state tx.commit ();// Persistent Automatic Update code tan

void Main (string[] args) {Session session = Sessionfactory.opensession (); Transaction tx = NULL; try {tx = Session.begintransaction ();//Student Student = new Student ();//Student.setname ("Zhangsan");//S Tudent.setage (20); Student.setcardid ("14"); Session.save (student); Tx.commit (); Session Session1 = Sessionfactory.opensession (); Session Session2 = Sessionfactory.opensession (); Student student1 = (Student) session1.createquery ("from Student s where s.name =: Name")

Basic concepts of three states: 1, temporary State (Transient): Also called Free State, exists only in memory, and there is no corresponding data in the database. Object created with new, it is not persisted, is not in session, the object in this state is called a temporary object; Create a Transient object user user = new user (); User.setname (userName); User.setpassword ("test"); User is still a transient object 2, Persistence State (persistent): associated with the session and has c

appear in the taskbar (the lower-right corner of the taskbar), or to easily drag and drop the icon in the Reminder field and the taskbar on the left. Reminder: Users can set up to reduce excessive reminders, warnings, or pop-up windows. Network: You can automatically and more intuitively join your home wireless network, and it's easier to share files between your home wireless network and your printer. File Management: The operating system of the "Libraries" (smart Library) can automatically