moto c plus

The MyBatis plus configuration primary key generation strategy is 2, which is to generate IDs using the Twitter snowflake algorithmThe spring boot is configured as:Globalconfiguration conf = new Globalconfiguration (new Logicsqlinjector ());Conf.setidtype (5);This generates a long type, and if you want to convert the ID to a string type, configure the primary key generation strategy to 5.https://gitee.com/baomidou/mybatis-

Concept Space: $ (' parent childchild ') means to get all childchild nodes under parentGreater than: $ (' Parent > Childchild ') means to get all the next levels under parent Childchild Plus: $ (' pre + nextbrother ') means to get the next sibling node of the pre node, equivalent to the next () method Wave Number: $ (' Pre ~ brother ') means to get all sibling nodes behind the pre node, equivalent to the Nextall () method Detailed description The

Dream 5.7 injection plus a leak Category: Security | 2012-05-5 | 12,571 times 2 People talk about Member Center query member Information Statement filtering is not strict, resulting in URL can be submitted injection parameters; Member Center has upload action filtering is not strict, resulting in the upload loophole Detailed Description: ① injection vulnerability. This station http://www.webshell.cc/ First visit the "/data/admin/ver.txt" page to get

As shown in the following figure, our QQ should be shown by iphone6s plus online before the others. And now you will find that our iphone6s Plus is also directly displaying the QQ for iphone online, as shown below: Then we only see the iphone 2g online after QQ, and not whether the 6s online, as shown below. Why does QQ not show IPhone6 and IPhone6 Plus

/plus/90sec.php recent remark The Trojan is very tenacious 1 The latest patches should be uploaded and repaired. 2 "/plus/90sec.php" background is to be able to remove the antivirus, but after a period of time again, the instructions did not clear clean, after the/data/directory of/data/cache and/data/tplcache/have a lot of abnormal files (background virus scan not to sweep) And the background of the cust

The isql*plus structure is as follows: The configuration process is as follows: 1 Configuration httpd $ cd $ORACLE_HOME/Apache/Apache/conf $ vi httpd.conf 1.1 设定Server name或者Server IP地址和端口，使用非root用户启动HTTPD进程，其端口必须大于1024， 如： Listen=hpserv01:7777 1.2 设定DocumentRoot， 如DocumentRoot="/home/htdocs" 1.3 如果你也使用web server作为document content server，那么需要配置： IndexOptions NameWidth=* IndexOptions FoldersFirst AddIcon /icons/text.gif .txt .log 1.4 检查oracle_apa

-silent is used to eliminate the default display of Sql*plus and database version information nbsp when the login Sql*plus is connected to the database, and also removes the display prompt. can be shortened to-ssetpagesize0 pagesize environment parameters are used to set the number of record lines displayed per page, pagesize0 purpose is not to limit the number of records that can be displayed per page, so

: Snapshot read: a simple select operation, which belongs to the snapshot read, without locking. (Of course, there are exceptions, which are analyzed below) SELECT * from table where?; Current read: Special read operation, insert/update/delete operation, belongs to the current read, need to lock. SELECT * FROM table where? lock in Share mode; SELECT * FROM table where? for update; Insert into table values (...); Update table set? Where

the firm. Any changes made by a transaction from the beginning to the commit are not visible unless submitted. This isolation level is also known as non-repeatable reading.3.REPEATABLE Read (Repeatable Read)Locks all data used in the query to prevent other users from updating the data, but other users can insert new Phantom rows into the dataset, and phantom rows are included in subsequent reads of the current transaction. This level is also known as "phantom Reading."4.SERIALIZABLE (Serializab

set? Where?; Delete from table where?; All of the above statements belong to the current read, reading the latest version of the record. Also, after reading, it is necessary to ensure that other concurrent transactions cannot modify the current record and lock the read record. In addition to the first statement, the read record plus S lock (shared lock), the other operation, plus X lock (exclusi

Binary conversion to BCD usually uses the division operation to find Bits, 10, hundred, and other positions on the number, but because of the division of the module occupies too much resources, and when the number of binary digits, the use of assembly language in the 8-bit 51 single-chip microcomputer is difficult to achieve, so commonly used plus three shift method of arbitrary bits of the binary number into the BCD code. An example of the addition o

CentOS6.5 installation EclipseAdobe Flash Player installationFirefox browser by default is not with Flash_player, usually have Flash Web page will prompt to install Flash_player plug-in, first, according to Firefox tips, go to Adobe's website to download the latest Flash plugin, I downloaded is Install_ Flash_player_11_linux.x86_64.tar.gz1. Download install_flash_player_11_linux.x86_64.tar.gz2. UnzipTAR-ZXVF install_flash_player_11_linux.x86_64.tar.gzThree files are generated after decompressio

One, sys users and system usersThe Oracle installation automatically generates SYS users and system users(1), sys user is superuser, has the highest privileges, has the SYSDBA role, has the rights to create database, the user's default password is Change_on_install(2), the system user is the management operator, the authority is also very large. With the Sysoper role, without the CREATE DATABASE permission, the default password is the manager(3), generally speaking, the database maintenance, usi

, there are exceptions, which are analyzed below)SELECT * from table where?;Current read: Special read operation, insert/update/delete operation, belongs to the current read, need to lock.SELECT * FROM table where? lock in Share mode;SELECT * FROM table where? for update;Insert into table values (...);Update table set? Where?;Delete from table where?;All of the above statements belong to the current read, reading the latest version of the record. Also, after reading, it is necessary to ensure th

Label:There are three common tools for starting and shutting down a database First, Sql*plus In a sql*plus environment, after a user connects to Oracle as SYSDBA , the database can be started or closed by command line mode. Second, OEM (Enterprise Manager) With the OEM database console, you can complete the startup and shutdown operations of the database. Third, RMAN In the recovery Manager (RMAN) environme

AUTOTRACE is a tool in Sql*plus that shows the interpretation plan for the query being executed (explain plan) and theResources. The Autotrace tool is used extensively in this book.There are more than one way to configure Autotrace, the following are the methods I use:(1) CD [Oracle_home]/rdbms/admin;(2) as System login Sql*plus;(3) running @utlxplan;(4) Run create public synonym plan_table for plan_table;(

, reading the latest version of the record. Also, after reading, it is necessary to ensure that other concurrent transactions cannot modify the current record and lock the read record. In addition to the first statement, the read record plus S lock (shared lock), the other operation, plus X lock (exclusive lock). Why insert/Update/delete operations are categorized as current read? You can take a look a

Tags: client usersThe ㈠ command line uses sqlplus syntax to explore. Serial number Command line Examples of usage ① Sqlplus > Sqlplus Ii sqlplus [option] > sqlplus-l ③ Sqlplus [Logon] > sqlplus [email protected] ④ Sqlplus [/nolog] > Sqlplus/nolog ⑤ Sqlplus [start] ① screen prompts for user name, password to connect to the default database② comm

For masters who often work under SQL * Plus, they always query the help commands of SQL * Plus from time to time. Too many. For masters who often work under SQL * Plus, they always query the help commands of SQL * Plus from time to time. Too many. For masters who often work under SQL *

In the Linux operating system, it is troublesome to use the SQL * Plus tool of Oracle: after entering the SQL * Plus console through the SQL Plus Command, we have learned in Bash In the Linux operating system, it is troublesome to use the SQL * Plus tool of Oracle: after entering the SQL *