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installing MySQL under CentOS

MySQL with a script:Cp/usr/loacl/mysql/support-files/mysql.server/etc/rc.d/init.d/mysql# CD/ETC/RC.D/INIT.D# chkconfig--add MySQL//configuration is automatically started, chkconfig--del MySQL can be deleted# chmod +x/etc/rc.d/init.d/mysql//Add as Execute permission 8), Modify the password of the root user of MySQL :# mysql-u Root MySQLMysql>use MySQL;Mysql>desc user;mysql> GRANT All privileges on * * to [email protected] '% ' identified by ' root '; The ability to add remote connections for roo

SQL stored procedures for querying the database background block

,a.modifiedtime,a.modifiedby,a.createddate,a. Createdtime,a.creAtedby,a.recversion,a.recid from InventTrans A WHERE (([emailprotected]) and (((((([emailprotected ]) and ([emailprotected]) and ([emailprotected])) and ([emailprotected]) OR ([Emailprot Ected])) and EXISTS (SELECT TOP 1 ' x ' from InventDim b,inventlocation C WHERE (B.inventdimid=a.inventdimid) and (([emailprotected]) and ((C.inventlocationid=b.inventlocationid) and ([emailprotected]))) --kill 282 2008.9.6 Modified, add Blocked

CENTOS7 installation mysql5.6 points to note

end of the file, add the following information:[Email protected] mysql]# export path= $PATH:/usr/local/mysql/binExecute the following command to make the changes take effect:[Email protected] mysql]#. /etc/profile8, login to the root account MySQL, the default is no password[Email protected] mysql]# mysql-u root-p9, set the root account password Note the following you password changed to your password to change[[Email protected] mysql]# Update user s

Reverse reference of PHP regular expressions and sub-schema PHP preg_replace application

Mixed preg_replace (mixed pattern, mixed replacement, mixed subject [, int limit])FunctionSearches the subject for a match in pattern mode and replaces it with replacement. If limit is specified, only the limit match is replaced, and if the limit is omitted or the value is-1, all occurrences are replaced.Replacement can contain reverse references in the form of \\n or $n, and n can represent 0 to 99,\\n text that matches the pattern nth child pattern, and \\0 represents text that matches the ent

Oracle Partition Table execution plan

'), 5 partition p3 values less than (to_date ('20170101', 'yyyymmdd ')), 6 partition p4 values less than (to_date ('201312', 'yyyymmdd'), 7 partition p5 values less than (to_date ('20170101', 'yyyymmdd ')), 8 partition p6 valu Es less than (to_date ('20140901', 'yyyymmdd'), 9 partition p7 values less than (to_date ('20140901', 'yyyymmdd ')), 10 partition p8 values less than (to_date ('201312', 'yyyymmdd'), 11 partition p9 values less than (to_date ('2

Mybatis User Guide-Part 2

. selectallthings), the program will throw an error, telling you that the short name is ambiguous, you must use a fully qualified name.There is another confusing place for er classes such as blogmapper. Their ing statements do not need XML at all. On the contrary, they can use Java annotations. For example, the above XML can be replaced with the following content:Package Org. mybatis. example; P9:For simple statements, this annotation is very concise,

Summary of MII (Media independent interface media-independent interface)

: Mac interface (rgmii ),Data Interface P61: hardware configuration Hardware configuration phyad, which can be searched laterPhyadKeywords This chip is configured through the pins connected by config pins (refer to P9) P63: software configuration,Management Interface, SMI (Mido, and MDC) P67: Register Configuration See also: MII Http://en.wikipedia.org/wiki/Media_Independent_Interface Management data input/output, orMDI Http://e

Winapi: alphablend-image transparency

Alphablend (DC: HDC; {target device environment handle} P2, P3, P4, P5: integer; {target location and width and height} dc6: HDC; {Source Device environment handle} P7, p8, P9, P10: integer; {source location and width and height} P11: tblendfunction {data structure of the synthesis method, see the table below}): bool; // The tblendfunction structure is _ blendfunction rename: _ blendfunction = packed record blendop: byte; {This example uses: ac_src_ov

Memory Management 3

--------------------------------------------------------------------------------2 P9 D6 W; y (h $ l0 M7 O, P0G $ J % {! L + M K8 I/cBefore allocating memory (heapalloc) in "Heap", you must create a "heapcreate", just as the program has a default "stack, each program has a default "Heap" (you can use getprocessheap to obtain the "Default Heap" handle). When we use "Heap" in Delphi, this "Default Heap" is used ". if you want your program to have multipl

White box test --- definition/use test

in the path is defined by V. Ii. Examples. 1. Program snippets 2. flowchart 3. Simplified flowchart 4. definition/use test table Variable Define a node Use nodes Lockprice 7 24 Stockprice 8 25 Barrelprice 9 26 Totallocks 10, 16 16, 21, 24 Totalstocks 11,17 17,22, 25 Totalbarrels 12, 18 18, 23, 26 Locks 13,19 14,16 Stocks 15 17 Barrrels 15 18

Miniora17 USB to serial port minicom settings

Fedora17 USB to serial port minicom settings For reprinting, please enter the article address to respect the labor achievements of the author Lai banxian. Thank you for your support:Http://hi.baidu.com/mgqw/blog/item/5fc4c936ae8ffdfca2cc2b6b.htmlAuthor: mgqw monkey of linuxeden team is published simultaneously on linuxeden.In the fedora17 with serial port connection board, because the computer motherboard does not have 9-pin serial port can only buy a USB serial port converter (u232-

Chapter One first contact with Java

p9--Exercises1. Features of the Java language(1) Simple and efficient(2) Object-oriented language(3) Platform Independence and portability(4) Stability and safety(5) Multi-threaded and dynamic(6) High performance(7) distributed, "physically distributed, logically unified"3.Java platform divided into three categories(1) Java EE (JAVA2 Enterprise Edition) is applicable to enterprises, providing application service operation and development platform for

Large integer factor (high-precision MoD)

Factors of large integers Total time limit: 1000ms Memory Limit: 65536kB Describe Known positive integer k satisfies 2 Input A non-negative integer c,c the number of digits Output If there are c%k = = 0 K, from small to large output all such k, adjacent two numbers separated by a single space; if there is no such k, output "none".Sample input30Sample output2 3 5

MATLAB thermal power generation 2

',...'Callback', 'My _ shuruc ');P6 = uicontrol ('parent', H0 ,...'Style', 'pushutton ',...'Position', [370 370 70 30],...'String', 'B ',...'Callback', 'My _ shuruc ');P7 = uicontrol ('parent', H0 ,...'Style', 'pushutton ',...'Position', [490 370 70 30],...'String', 'C ',...'Callback', 'My _ shuruc ');P8 = uicontrol ('parent', H0 ,...'Style', 'pushutton ',...'Position', [610 370 70 30],...'String', 'D ',...'Callback', 'My _ shuruc ');P9 = uicontrol (

Oracle Partition Table execution plan, oracle execution plan

('201312', 'yyyymmdd'), 5 partition p3 values less than (to_date ('20170101', 'yyyymmdd ')), 6 partition p4 values less than (to_date ('201312', 'yyyymmdd'), 7 partition p5 values less than (to_date ('20170101', 'yyyymmdd ')), 8 partition p6 valu Es less than (to_date ('20140901', 'yyyymmdd'), 9 partition p7 values less than (to_date ('20140901', 'yyyymmdd ')), 10 partition p8 values less than (to_date ('201312', 'yyyymmdd'), 11 partition p9 values l

Algorithm competition source code

All files in this article can be downloaded from. File Function Last revised on 《AlgorithmThe first chapter of the classic competition. Doc Algorithm competition entry classicSource code. Rar E1.c Calculate the maximum value from three integers. E2.c Score level E3.c Number of digits in a positive integer E4.c 4. Integer sorting E5.

[Move post] GDB usage notes

GDB is a major debugging tool in Linux programming on a non-graphical interface. Therefore, it is very important to master the gdb debugging technology. Below are some of the main debugging options for GDB: 1. The compilation contains debugging information: gcc-g-o test. c2. Run GDB: GDB3. Load the executable file: file test4. Display Source code : List, abbreviated as l5. Add a breakpoint: Break 6. view the breakpoint information: info B7. Run Code : Run, abbreviated as R, stops running to t

[Database] sqlite3 usage Summary 4

, indicating that the value inserted here should replace the first? (Here, the index starts counting from 1, not from 0 ). If you have multiple? Number, write multiple bind_blob statements, and change their 2nd parameters to replace them with different? . If yes? No. SQLite is null. 4 | + Q5 L) K, ;_ 2 J i8 T2 x0 p-W $] 7 R "B 3rd parameters: Starting pointer of binary data. "W, N4 I: Q, L; h $ o, ^; x2 ^5 W * I * ^ 6 I4 Z P7}4th parameters: the length of binary data, in bytes.2 \ 6 D! C; C, u d

[Database] sqlite3 encryption 4

Sqlite3_open succeeded, followed by the following code: Copy content to clipboard Code: int i; // Add and use a password i = sqlite3_key( db, "dcg", 3 ); // Change the password i = sqlite3_rekey( db, "dcg", 0 ); Use the sqlite3_key function to submit the password., K % Y, ^ 9 x * W F1 L/} % v : G, Q! The C (Z + H (K5} # J I 1st parameter is a sqlite3 * type variable, representing the database opened with sqlite3_open (or the new database ).8 K + P @ R1 _ (J # V + P3 C9 [* r'n'/N, F. The

Solve the data concurrency exception when using the DataSet object

, commandbuilder creates an SQL statement to find rows that exactly match all the original values stored in the dataset, rather than simply using the primary key value to identify the correct rows. The following code is an example of an update statement built to update a customer's phone number: UPDATE Customer SET Phone = @p1WHERE ((ID = @p2) AND ((FirstName IS NULL AND @p3 IS NULL) OR (FirstName = @p4))AND ((LastName IS NULL AND @p5 IS NULL) OR (LastName = @p6)) AND ((Address IS NULL AND

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