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Access to BLOB fields in Oracle databases

. IOException, java. SQL. SQLException {dbBean db1 = new dbBean ();/*** here is my data connection Bean * you can use your own connection Bean */byte a [] = null; // ** read the test file test.doc into the byte array java. io. fileInputStream fin = null; java. io. fileOutputStream fout = null; oracle. jdbc. oracleResultSet ors = null; // ** here rs must use Oracle provided by oracle. jdbc. driver. oraclePreparedStatement opst = null; // *** PreparedStatement // try {provided by Oracle {Java. io.

Javascript script programming solves exam score STATISTICS _ javascript skills

There are a total of 25 questions for this exam, each of which is a two-choice and One-choice question with a total score of 100. The javascript code is as follows: The Code is as follows: /*** @ Author georgewing*/Function prepareCheckBox (){Document. getElementById ("submit"). onclick = function (){SelectedCheckBox (4 );}}Function selectedCheckBox (x ){Var oInput = document. getElementsByTagName ("input ");Var iTotal = 0;For (var I = 0; I

A scanner C source code containing detailed comments)

# Include # Include # Include # Define iport 80 // target web server port . # Define szsign "500 13/R/nserver: Microsoft-IIS/5.0" // check whether the target has a vulnerability based on this flag. # Pragma comment (Lib, "ws2_32.lib ") //////////////////////////////////////// /////////////////////////////////// // // Define initialize global variables Char * sendbuff = "Get/null. Printer/N", // send the request buff Currenttarget [52] = {0}, // store the target that the last thread will scan Tu

Javascript script programming solves the exam score statistics Problem

CopyCodeThe Code is as follows :/** * @ Author georgewing */ Function preparecheckbox (){ Document. getelementbyid ("Submit"). onclick = function (){ Selectedcheckbox (4 ); } } Function selectedcheckbox (x ){ VaR oinput = Document. getelementsbytagname ("input "); VaR itotal = 0; For (VAR I = 0; I If (oinput [I]. classname = "checkedradio "){ If (oinput [I]. Checked ){ // Add X point Itotal =

JavaScript programming solves the exam score statistics Problem

Project Practices: There are a total of 25 questions for this exam, each of which is a two-choice and One-choice question with a total score of 100. The javascript code is as follows: Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/-->1 /**//** 2 * @ author georgewing 3 */ 4 function preparecheckbox (){ 5 Document. getelementbyid ("Submit"). onclick = function (){ 6 selectedcheckbox (4 ); 7} 8} 9 function selectedcheckbox (x ){ 10 var oinput = Docum

JavaScript scripting _javascript tips for solving test score statistics problems

Copy Code code as follows: /** * @author georgewing */ function Preparecheckbox () { document.getElementById ("Submit"). onclick = function () { Selectedcheckbox (4); } } function Selectedcheckbox (x) { var oinput = document.getelementsbytagname ("input"); var itotal = 0; for (Var i=0;iif (Oinput[i].classname = = "Checkedradio") { if (oinput[i].checked) { Add x Point Itotal =

Point-to-Point communication and file transfer using C # (send receive part)

It describes the base class for communication, and the following is the part that uses that class for sending and receiving: Second, send part: We use multiple threads, we can do multiple tasks at the same time, such as sending files, sending text, and so on, do not affect each other: Send Text method: private void Startsendtext (string strhost,int iport,string strinfo) { SendText sttext = new SendText (strhost,iport,strinfo,new communclass.onsend (onsenddrawprogress)); Startthread (new T

javascript--statements

-loop-expression) { //loop option } Example: var sum = 0; for (var i=0;i sum +=i; } console.log (i);//10 99 Multiplication Tablefor (Var i=1;ifor (Var j=1;jdocument.write ("★" + "document.write (j+ "*" +i+ "=" +i*j+ "nbsp;nbsp;");}document.write ("}Output 10 rows 10 Columns ★for (Var i=1;ifor (Var j=1;jdocument.write ("★");}document.write ("}/*var i;i = 1;iTotal +=i//Total 1++i; i=2iTotal +=i//total 3++i; I=3iTotal+=i//total 6++i//i=4...

Access to BLOB fields in Oracle databases

System.out.println("filelength::"+flength); a=newbyte[flength]; inti=0;intitotal=0; /** Read files into byte Arrays for(;itotal { i=fin.read(a,itotal,flength-itotal); } fin.close(); System.out.println("readitotal::"+itotal); /** Note that the BLOB of the Oracle database must be

VB. NET Exception Handling and throwing exceptions

the stack, therefore, no matter whether an exception occurs, the code in the Finally block will certainly run. Code example for exception handling: Private Sub FirstTryCatchButton_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles FirstTryCatchButton.Click Dim sngAvg As Single sngAvg = GetAverage(0, 100)End SubPrivate Function GetAverage(ByVal iItems As Integer, ByVal iTotal As Integer) As Single ' Code tha

Process sharing variable # pragma data_seg usage

data_seg ()# Pragma comment (linker, "/section: flag_data, RWS ")AddIf (app_count> 0) // exit the application if the count is greater than 0.{// MessageBox (null, "an application has been started", "warning", mb_ OK );// Printf ("No % d Application", app_count );Return false;}App_count ++;Windows creates a wall around the address space of a Win32 program. Generally, the data in the address space of a program is private and invisible to other programs. However, multiple execution entities execut

Basic Javascript tutorial-for Loop-Basics

whether expression is true. If expression is true, continue; otherwise, terminate the entire loop body. 3. Execute the statement code of the loop body. 4. Execute the post-loop-expression code. 5. Return to Step 1 The most common form of a for loop is for (var I = 0; I It indicates that the loop is executed n times in total, which is very suitable for calculating the number of known cycles. The Code is as follows: Var aNumbers = new Array ();Var sMessage = "you entered: \ n ";Var

Special adjacency Table--Cube adjacency table

) */ - Longisum=0*/* Record all routes (second question) */ + - voidOutput (vertex path[],LongCountintn);//function prototype, output path + //output Function A at intTraverse (intN, Vertex P,vertex path[]);//function prototype, traversing adjacency table - //core func to traverse graph by Recusion - - intMainvoid) - { -Vertex path[5]={a};//At the most 5 inVertex p=a;//Beginnings at point A -Traverse (0, P,path);//Calling, traversing toprintf"All the number of existing paths:%ld \ n", iCount)

JS Second lesson (Loop statement)

:document.write ("Friday");BreakCase 6:document.write ("Saturday");BreakCase 7:document.write ("Sunday");BreakDefaultdocument.write ("Error");}2. Circular statements1) whilewhile (...){...}Cases:var i=isum=0;while (iIsum + = i;i++;}alert (isum);2) Do.....whileDo{...}while (...)Cases:var anumbers = new Array ();var smessage = "You have entered: \ n";var itotal = 0;var vuserinput;var iarrayindex = 0;do{Vuserinput = Prompt ("Enter a number, or ' 0 ' exit

Process shared variable #pragma data_seg usage

records the number of valid strings that have been stored. Strlib stores these two variables in a special memory section of the share:#pragma data_seg ("shared") int itotal = 0; WCHAR szstrings [max_strings][max_length + 1] = {'/0 '}; #pragma data_seg ()The first #pragma narrative establishes the data segment, which is named Gkfx here. You can name the paragraph any one you like. All initialized variables after the #pragma narrative here are p

# Pragma comment (linker, "/section: shared, RWS ")

Http://happyboy200032.blog.163.com/blog/static/469031132010713129590/ Windows creates a wall around the address space of a Win32 program. Generally, the data in the address space of a program is private and invisible to other programs. However, executing multiple execution entities means that it is no problem to share data between all execution entities of the program. When you add or delete a string in a window, this change is immediately reflected in other windows.Between all routines, strlib

JavaScript Basic Teaching for Loop _ basics

. 3. Execute Loop Body Statement code 4. Execute post-loop-expression Code 5. Return to step 2nd operation The most common form for a For loop is for (var i=0; i It means that the loop performs a total of n times, which is ideal for known loop count operations. Copy Code code as follows: var anumbers = new Array (); var smessage = "you entered: \ n"; var itotal = 0; var vuserinput; var iarrayindex = 0; do{ Vuserinput

Linux set UID set GID stick bit soft hard connection

/link$ ls Link [emailprotected]:~/test/link$ Ln-s link/ Softlink [emailprotected]:~/test/link$ ll drwxrwxr-x 2 nfyx nfyx 4096 October 17:04 link/ lrwxrwxrwx 1 nfyx nfyx 5 October 17:04 softlink, link/ [emailprotected]:~/test/link$ like this, you do a soft connection (this is equivalent to the Windows Shortcut) Tip: Try using an absolute path to make a soft connection.b Hard ConnectCommand: LN soure Destians (unlike soft connections, they use an inode number)Such as:[Email protecte

Java Interface support for multiple inheritance __java

Java also has more than two years, today in the modification of the program inadvertently found that the Java interface inherited a number of interfaces, hey, really ashamed until now to understand. So I hastened to write an example: Package com.iman.wrms.t; Public interface Ione { public void one ();} Package com.iman.wrms.t; Public interface Itwo {public void Two (); } Package com.iman.wrms.t; Public interface Ithree { public void three ();} Package com.iman.wrms.t; Public interface

CentOS Mount Xampp, Bugfree

777-r bugfree/install/Garbled files, abridged points[[email protected] opt]# ls2345+?+??? +?. URL 2345+?+?????. URL bugfree3.0.1 bugfree.zip lampp xampp-linux-1.8.3-3-installer.run[Email protected] opt]#ll-iTotal dosage 125712670550-rw-r--r--1 root root 225 June 2345+?+??? +?. Url670551-rw-r--r--1 root root 235 June 2345+?+?????. Url670552 drwxr-xr-x 8 root root 4096 December bugfree3.0.1670548-rw-r--r--1 root root 5032944 December 19:50 bugfree.zip6

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