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| | ' = ' | | i*j| | ' ); End Loop; dbms_output.new_line;--Note, brackets can not, but the specification is not written so end loop; end;-- sequential control, Keywords: goto NULLDECLARE v_age number: = ' input age: '; begin if V_age --Dynamic ExecutionSQLstatement, keyword:Execute ImmediateDECLARE v_sql varchar2 (222); V_emp_rec emp%rowtype;begin V_sql: = ' select * from emp where empno =: num ';-' =: ' As a placeholder, the identifier cannot be used as a keyword, such as numbe

to MySQL other programs are: Oursql, Pymysql, myconnpy, etc., refer to the following links:http://packages.python.org/oursql/https://github.com/petehunt/PyMySQL/Https://launchpad.net/myconnpyHere's just a Python script that tries MySQL Connector/python (including creating a table, inserting data, reading from a file, inserting data, querying data, and so on):View Code PYTHON 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585

-do notcreat db Objects. This step is very important because the execution program in the installation package is not compatible with blibc2.0. Therefore, before patching, the Oracle engine cannot be started to create database objects.After the reception is completed and exited, the system prompts:Result: Success4. Perform glibc correction on the Oracle execution program. The procedure is as follows:* Create the $ ORACLE_HOME/orapatch directory;* Copy glibcpatch. tgz to the main directory;* Run

". "$3}'' # grep-q $ exclude_ip. /white_ip.txt grep-q $ black_ip/data/shell/white_ip.txt if [[$? -Eq 0]; then echo "$ black_ip (white_ip) ">>>/data/shell/black_ip.txt else echo $ black_ip>/data/shell/black_ip.txt # iptables-nL | grep $ black_ip | (iptables-I INPUT-s $ black_ip -j DROP echo "$ black_ip 'date + % Y-% m-% H: % M: % S' ">/data/shell #/denylog.txt) fi done # send an email if a single IP address whose concurrency exceeds the threshold # if ['cat. /sendmail' = 1]; then sendmsg; fi} #

), ora_rowscn from fcc; DBMS_ROWID.ROWID_BLOCK_NUMBER (ROWID) ORA_ROWSCN limit 305906 7262794 305906 7262794 -- ora_rowscn has changed, this is explained in the ora_rowscn blog that ora_rowscn reads from the block header SCN. 2.2 delayed block cleanout --. create a small undo tablespace. SYS @ dave2 (db2)> create undo tablespaceundotbs2 datafile '/u01/app/oracle/oradata/dave2/undotbs02.dbf' size 1 M; Tablespace created. SYS @ dave2 (db2)> alter system setundo_tablespace = 'undotbs2 '; System alt

#include #includeusing namespacestd;intMain () {//-1 No one wins 0:o win 1: X Winintsize;printf ("0 means "party a", 1 means "Party B" \ n");p rintf ("Please enter the size of the matrix \ n"); while(SCANF ("%d", size) = =1){intboard[ -][ -];intNum_of_o;intnum_of_x;intresult =-1;intI, J; for(i =0; i ) for(j =0; J ) {scanf ("%d", board[i][j]);}//Check Row for(i =0; I 1; i++) {Num_of_o= Num_of_x =0; for(j =0; J ){if(Board[i][j] = =1) {num_of_x++;}Else if(Board[i][j] = =0) {Num_of_o++;}}if(Num_of_o

exceeds the configured value, the system rejects requests for other file operations and throws a Too program open files exception. Such restrictions can be divided into system and user levels. System Level:System-level settings are valid for all users. You can view the maximum file limit of the system in two ways.1Cat/proc/sys/fs/file-max 2Sysctl-Check the number of fs. file-max configurations in the result.Modify the/etc/sysctl. conf file and configure the fs. file-max attribute if the attribu

; document.write (Str.match (PATT1)); \b matches the word boundary. /\bm/matches ' m ' in ' moon ';/oo\b/does not match ' oo ' in ' moon ' because the ' n ' behind ' oo ' is a word character;/oon\b/matches ' oon ' in ' moon ' because ' oon ' is at the end of the string and there are no word characters at the back; var str= "Hello Jikexueyuan";var patt1=/\bjikexueyuan/g;document.write (Str.match (PATT1)); \b Matches a non-word boundary. \

element is irrelevant to the elements in the new container, and thereafter, the value of the original element being copied is not affected when the value of the element in the container changes, and vice versa.The size of the sequential container operationC.size () returns the number of elements in container C. return type is C::size_typeC.max_size () returns the maximum number of elements that container C can hold, with a return type of C::size_typeC.empty () returns a Boolean value that marks

) # download images downloadimages (selector,number) # get text and write I Nto a filepage_title, page_content = get_page_content (selector) result = Page_title+ ' \ n ' +page_content+ ' \ n ' path = "/home/workspace/tour/words/result" +num+ "/" If not os.path.exists (filename): os.makedirs (filename) filename = path + "num" + ". txt" with open (filename, ' WB ') as F: f.write (result) Print result To this end

IntroductionWhile coding-an application-displays a detailed report ScrollViewer in a, it is decided that it would is nice to print The report to a printer. I found Thatwpfprovides a printdialog. printvisual method forprinting anyWPF control derived from the Visual class. will onlyprinta Scale your control-to-fit on the page. Unfortunately this would is sometimes a long enough that it could isn't being read easily when Scaled to fit on the page. Another option Forprinting provided

Here we provide a memory game similar to memorizing words# Include # Include // # Include # Include # Include Int main (void){/* Records if another game is to be played */Char another_game = 'y '; /* True if correct sequence entered, false otherwise */Int correct = false; /* Number of sequences entered successfully */Int counter = 0; www.2cto.com Int sequence_length = 0;/* Number of digits in a sequence */Time_t seed = 0;/* Seed value for random number sequence */Int number = 0;/* Stores an inp

= new QueryRunner (JdbcUtils. getDataSource (); 13 String SQL = "INSERT I NTO t_stu VALUES (?,?,?,?) "; 14 Object [] params = {1002," lisi ", 99," female "}; 15 qr. update (SQL, params); 16} 17 @ Test18 public void fun2 () throws SQLException {19 // create QueryRunner and provide the database connection pool object 20 QueryRunner qr = new QueryRunner (JdbcUtils. getDataSource (); 21 // The SQL template 22 String SQL = "SELECT * FROM t_stu WHERE sid =

Portal: http://www.lydsy.com/JudgeOnline/problem.php?id=3667Idea: First we talk about Miller_rabin algorithmWe found the Fermat theorem.So it's upside down, right?If a^ (p-1) =1 (mod p), then p must be a prime number?Unfortunately, it's wrong.Although the probability of error is very low, but can be cardSo we're going to patch it up.We've got another two-time detection method.If P is prime, then x^2=1 (mod p) has only two solutions 1,p-1 (-1)So it's upside down, right?Unfortunately, it's wrong a

; num double (0.02)->); Query OK, 0 rows affected (sec) mysql> insert into tt (num) values (234563.9); Query OK, 1 row affected (0.00 sec) www.2cto.com mysql> select * from tt; + ------------ + | num | + ------------ + | 234563.900 | + ------------ + 1 row in set (0.00 sec) mysql> insert I Nto tt (num) values (2345623.2); ERROR 1264 (22003): Out of range value for column 'num' at row 1 mysql> insert into tt (num) values (234563.2); Query OK, 1 row aff

This article mainly introduces how to use python scripts to find webshells. It is a very practical function. If you need it, refer to the following article to describe a python code for searching webshell scripts, in addition to the webshell search function, the white list function and the function of sending email alerts when malicious code is found are available. If you are interested, you can test the function by yourself. The specific function code is as follows: #! /Usr/bin/env python #-*

This article describes how to use the smtplib module in Python to process emails. it is a basic knowledge in Python beginners. if you need it, you can refer to it in Internet-based applications, programs often need to automatically send emails. For example, the registration system of a website will send an email to confirm registration when the user registers. when the user forgets the login password, it will retrieve the password through the email. The smtplib module is the client implementatio

maximumlineheight;　　Maximum line height of @property (readwrite) nswritingdirection basewritingdirection; Writing style (Nswritingdirectionnatural,nswritingdirectionlefttoright,nswritingdirectionrighttoleft)One @property (readwrite) cgfloat lineheightmultiple;@property (ReadWrite) cgfloat Paragraphspacingbefore; @property (readwrite) float hyphenationfactor; @property (readwrite,copy,ns_nonatomic_iosonly) nsarray *tabstops Ns_available_ios (7_0);@property (readwrite,ns_nonatomic_iosonly) cg

England, who played a pivotal role in BRI Nging the Rochdale grooming gang to justice on for abusing-to-girls, said Kardashian was tempting young girls I Nto sexualising themselves, and making them easy targets for predators. " The sexualisation of children does not to help, "he said. "The reality is so younger and younger children these days be now exposed to the kinds of things, I saw Kim Kardashian A couple of days ago [the magazine images]. It's

Before the Mu class online watch sublime video, today while there is time to tidy up a bit.Video Portal: http://www.imooc.com/learn/333 New file: Ctrl +nTo set the syntax mode: Ctrl+shift + PFor example, to set the JS file, open the Command box, enter: Ss:jsCreate a HTML5 file:! +tabgotoanything: Ctrl +p Enter the file name directly to make a fuzzy lookup : + line number, jump directly to the specified line number (find a row with a