Use threadlocal in service to complete transactions and lay the groundwork for future learning of spring transactions!1 transactions in DAOpublic void xxx () { Connection con = null; try { con = jdbcutils.getconnection (); Con.setautocommitted (false); Queryrunner qr = new Queryrunner (); String sql = ...; object[] params = ...; Qr.update (
Simulation and handling of ORA-8102 ProblemsSQL> SELECT NAME, TYPE # FROM OBJ $ WHERE OBJ # = 49;Name type #----------------------------------------I _CON2 1SQL> SELECT TABLE_NAME FROM DBA_INDEXES WHERE INDEX_NAME = 'I _ con2 ';TABLE_NAME------------------------------CON $Select owner #, NAME, CON # from con $ where name = '_ NEXT_CONSTRAINT ';SQL> SELECT OWNER #
a platform strategy. The NetFlex platform developed by NetSuite company allows ISVs and channel partners to enable NetSuite applications to meet specific industry requirements. Combined with the technical basis, the NetSuite platform benefits from the growing number of third-party partners in the ecosystem, and increasingly perfect.
Amazon's simple Storage serv
services do not have. Document online viewing, Box Edit, document user discussion, simple document review workflow, and more. A personal favorite is box edit, which does not require local download and is stored directly in the cloud after editing. This year I also attended the Boxworks2013 in San Francisco, where box will integrate its acquisition of the Crocdoc Company's HTML5.0 conversion technology to further enhance the online viewing experience. At the same time, the box note that can be e
Oracle CEOLarryEllison announced last week that it would set up a new technology alliance. Its members may be Salesforce.com, NetSuite, Microsoft, and other companies. This morning, former competitor --Salesforce.com and Oracle announced a nine-year cooperation plan to integrate the cloud services of both parties. The cooperation will
Oracle CEO Larry Ellison announced last week that a new technology alliance will be established, including Salesforce.
returned data packets, for example, XML, Vector, Hashtable, or Map can be returned. The returned data is of the Vector type, so step 1 is encapsulated.
Assemble SQL statements and create a class (XMLCombine) independently. of course, there can also be multiple classes, such as SelectCombine and insertCombine. here we perform unified encapsulation.
Database operations are encapsulated into a separate class, XMLExecuteSQL.
All the preceding classes have a uniform export class, which is XMLUtils.
1. Three ways to draw arrows Drawing code//cgcontextref con = uigraphicsgetcurrentcontext ();////draw a black (by default) vertical line,the Shaft of the arrow shaft//Cgcontextmovetopoint (con, +);//Cgcontextaddlinetopoint (con, +);//Cgconte Xtsetlinewidth (con);//Cgcontextstrokepath (
), Settranskeyvalue (SET Transaction key value data value)
Third, external program calls
For the SELECT statement, the program that is required to parse (1) is as followsXmlutils util = new Xmlutils ();Util.settransnode ("Selectuser");Vector Vrtn = Util.select (con);
Analysis (2) isXmlutils util = new Xmlutils ();Util.settransnode ("Selectuserbykey");Util.settranskeyvalue ("userid", 123);Vector Vrtn = Util.select (
.dns1 ipv4.methodmanual | AutoModify the configuration file to take effect: systemctl Restart network or NMCLI con reloadNMCLI command effective: Nmclicon down eth0; Nmclicon up Eth0To configure a network using NMCLI: Neworkmanager is the daemon that manages and monitors network settingsThe device is the network interface, and the connection is the configuration of the network interface. A network interface can have multiple connection configurations,
(literally) we use here completely overwrites the default prototype object, therefore, the constructor Object becomes the constructor attribute of the new Object (pointing to the Object constructor) and does not point to the Person function. [Javascript] function Person () {} Person. prototype = {name: "defaultName", age: 20, sayName: function () {return this. name ;}}; var con = new Person (); TestCase ("test extends", {"test
object to the connection pool specified by the name** @param name of the connection pool defined in the properties file* @param con Connection object*/public void Freeconnection (String name, Connection con){Dbconnectionpool pool = (dbconnectionpool) pools.get (name);if (pool! = null){Pool.freeconnection (con);}Else{System.out.println ("Pool ==null");}clients--;
1) Connect MySQL$con = mysql_connect ("localhost", "root", "12345");if (! $con) { die (' Could not connect: '. Mysql_error ());}Mysql_close ($con);?>2) PHP MySQL CREATE database and table $con =mysql_connect ("localhost", "root", "123456"); if (! $con) { die (' Could not con
Many Java operations on blob and clob fields in Oracle on the network are not comprehensive, some are inaccurate, and some are even nonsense. The recent project uses this knowledge and summarizes it here.Environment:Database: Oracle 9iAPP server: BEA WebLogic 8.14Table Structure:Create Table testblob (ID int, name varchar2 (20), blobattr BLOB)Create Table testblob (ID int, name varchar2 (20), clobattr clob)Java can access and operate databases through JDBC or JNDI. There are some differences bet
In php, the most common way to convert arrays and strings is to use the explode () and implode () functions for conversion. Today, a friend asked me this question, let me sort out and share it with you.
See the two functions.
Implode function:
Use the implode function to convert an array to a string.
Explode function:
Use the function explode to convert a string to an array.
Example 1.
Today, I saw a post in the php forum asking my friend how to convert a string into an array. As a new php progr
function for edit Form1
private void Form1_Load (object sender, EventArgs e){This. Resize + = new EventHandler (form1_resize);//When the form is resized, events are raisedX = this. width;//get the width of the formY = this. height;//get the height of the formSettag (this);//Calling methodWrite your own method:
float X, Y; The private void Settag (Control cons) {//traverses controls in the form foreach in cons. Controls) {con. Tag =
Write CS,AJAX can also be using system;Using system. Data;Using system. configuration;Using system. Web;Using system. Web. Security;Using system. Web. UI;Using system. Web. UI. webcontrols;Using system. Web. UI. webcontrols. webparts;Using system. Web. UI. htmlcontrols;Using system. Data. sqlclient;/// /// Summary of provcityservstat/// This class is mainly used when the province/city/service station are all pulled into the judgment, the province and city teachers are both autopostback/// Public
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