https://code-reference.com/ 2026-05-25T23:04:33+02:00 https://code-reference.com/ https://code-reference.com/ttps://code-reference.com/lib/tpl/dokuwiki/images/favicon.ico text/html 2024-02-16T01:03:57+02:00 https://code-reference.com/assembly/8086_88/command_overview?rev=1708041837&do=diff Assembly Language 8086/88 Overview CommandDescriptionExampleAAAASCII adjust after additionno example yetAADASCII adjust before divideno example yetAAMASCII adjust alter multiplyno example yetAASASCII adjust after subtractno example yetADCAdd with carryno example yetADDAddno example yetANDAndno example yetCALLCallno example yetCBWConvert byte to wordno example yetCLCClear carry flagno example yetCLDClear direction flagno example yetCLIClear interrupt flagno example yetCMCComplement carry flagno … text/html 2013-04-11T10:03:40+02:00 https://code-reference.com/java/loops/while?rev=1365667420&do=diff while (condition) { //command } a while loop do something while a condition example of while loop in java package codereferececomjava; public class CodeRefereceComJava { public static void main(String[] args) { int i=4; while(i==4) { i++; } System.out.println("i is :" + i ); } } text/html 2024-02-16T01:06:16+02:00 https://code-reference.com/objective-c/control_structures/while?rev=1708041976&do=diff syntax while (condition is true/untrue) { statement; } or while ( condition == true ) { do something until condition untrue } while example objective c NSInteger i=0; while (i < 42) { i++; if (i==42) NSLog(@"whoooha "); } text/html 2024-02-16T01:04:08+02:00 https://code-reference.com/arduino/control_structures/while?rev=1708041848&do=diff Description while loops will loop continuously, and infinitely, until the expression inside the parenthesis, () becomes false. Something must change the tested variable, or the while loop will never exit. This could be in your code, such as an incremented variable, or an external condition, such as testing a sensor. text/html 2024-02-16T01:05:25+02:00 https://code-reference.com/c/examples/ftp_scanner?rev=1708041925&do=diff simple ftp scanner written by MoD and ZehDeh 2001 example of a simple ftp scanner in c #include <stdio.h> #include <string.h> #include <netdb.h> #include <netinet/in.h> #include <sys/socket.h> #include <sys/types.h> #include <sys/select.h> void logintoftp(); char tmp[256]; char name[300], pass[300], buf[300], buf2[300]; char snd[1024], rcv[1024]; int n; int sockfd; int main(int argc, char **argv) { char sendln[1024], recvln[4048], buf1[800], buf2[1000]; char *p, *q; int len, offset =… text/html 2024-02-16T01:05:25+02:00 https://code-reference.com/c/examples/mysql_bruteforce?rev=1708041925&do=diff MySQL Bruteforce written while a boring day more information on <http://code-reference.com> #include <stdio.h> #include <mysql/mysql.h> #include <curses.h> #include <string.h> #include <stdlib.h> // Deutsch oder English #define GER 1 #define ENG 0 /* ************************************************************************************************** * MYSQL Bruteforce Programm aus purer lange Weile geschrieben * 23.03 2010 by cd * * gcc mysql-bruteforce.c -o mysql-bruteforce -lmysqlcli… text/html 2024-02-16T01:04:08+02:00 https://code-reference.com/arduino/control_structures/dowhile?rev=1708041848&do=diff The do loop works in the same manner as the while loop, with the exception that the condition is tested at the end of the loop, so the do loop will always run at least once. do { // statement block } while (test condition); Example do { delay(50); // wait for sensors to stabilize x = readSensors(); // check the sensors } while (x < 100); text/html 2024-02-16T01:05:56+02:00 https://code-reference.com/c/graphics.h/setmousequeuestatus?rev=1708041956&do=diff setmousequeuestatus Syntax of setmousequeuestatus #include "graphics.h" voud setmousequeuestatus(int kind, bool status=true); Description of setmousequeuestatus The setmousequeuestatus function is available in the winbgim implementation of BGI graphics. This function controls whether mouse events of a particular kind are queued for processing. If the status parameter is false, then mouse events of the specified kind are not queued. This means that each time a mouse event of that kind oc… text/html 2013-01-10T10:15:03+02:00 https://code-reference.com/bash/examples/smbscan?rev=1357809303&do=diff Requirements smbmount, smbclient,nmblookup (samba tools) nmap (Network Mapper) grep, sed, dialog a smb scanner written in shell by me #!/bin/bash # This script scans smb servers a given network # and mounts anonymous shared directories # example: ./smbscan.sh or ./smbscan iprange # http://www.code-reference.com/ # clean old temp files #rm -f *.out if [ `id -u` -ne 0 ]; then echo "You must be root to use this script." exit 1 fi FILESYSTEM=cifs SMBM=/usr/bin/smbmount SMBC=/usr/bi… text/html 2018-01-12T07:29:07+02:00 https://code-reference.com/java/loops/do?rev=1515738547&do=diff do { command; } while (condition); a do loop will run while a condition is false example of do loop in java package codereferececomjava; public class CodeRefereceComJava { public static void main(String[] args) { int i=4; do { i++; } while(i==4); System.out.println("i is :" + i ); } } text/html 2013-01-17T23:50:06+02:00 https://code-reference.com/c/control_structures?rev=1358463006&do=diff control structures Overview Name Description break break case case continue continue default default do do else else for for goto goto if if return return switch switch while while automatically generated overview ... Change this page if you have a better description text/html 2024-02-16T01:04:32+02:00 https://code-reference.com/cpp/control_structures/while?rev=1708041872&do=diff while #include <iostream> /* including standard library */ while ( condition == true ) { do something until condition untrue } cpp Sourcecode Example #include <iostream> /* including standard library */ using namespace std; int main(void) { int i=0; while (i <= 99) { cout << i << endl; i++; } return 0; } text/html 2024-02-16T00:48:16+02:00 https://code-reference.com/arduino/control_structures?rev=1708040896&do=diff control structures Overview Name Description break break continue continue dowhile dowhile else else for for goto goto if if return return switchcase switchcase while while automatically generated overview ... Change this page if you have a better description text/html 2017-07-30T01:52:03+02:00 https://code-reference.com/start?rev=1501372323&do=diff Be a part of our community and help to improve this reference. This is a Wiki for all possible programming languages ​​with descriptions and examples. The goal is to create a programming library reference for all the programming languages ​​out there So do not hesitate to add some example code, adjust or correct the content text/html 2013-02-16T13:55:59+02:00 https://code-reference.com/c/control_structures/while?rev=1361019359&do=diff while #include <stdio.h> /* including standard library */ //#include <windows.h> /* uncomment this for Windows */ while ( condition == true ) { do something until condition untrue } C Sourcecode Example #include <stdio.h> /* including standard library */ //#include <windows.h> /* uncomment this for Windows */ int main(void) { int i=0; while (i <= 10) { printf("%i\n",i); i++; } return 0; } text/html 2013-06-14T16:09:47+02:00 https://code-reference.com/cpp/control_structures?rev=1371218987&do=diff control structures Overview Name Description break break continue continue do do goto goto if if return return while while Switchused for finding the specific case of a set of scenarios automatically generated overview ... Change this page if you have a better description text/html 2024-02-16T01:04:22+02:00 https://code-reference.com/arduino/time/delay?rev=1708041862&do=diff Description Pauses the program for the amount of time (in miliseconds) specified as parameter. (There are 1000 milliseconds in a second.) Syntax delay(ms) Parameters ms: the number of milliseconds to pause (unsigned long) Returns nothing Example int ledPin = 13; // LED connected to digital pin 13 void setup() { pinMode(ledPin, OUTPUT); // sets the digital pin as output } void loop() { digitalWrite(ledPin, HIGH); // sets the LED on delay(1000); … text/html 2024-02-16T00:48:26+02:00 https://code-reference.com/objective-c/control_structures?rev=1708040906&do=diff for if while text/html 2024-02-16T01:04:26+02:00 https://code-reference.com/arduino/external_interrupts/attachinterrupt?rev=1708041866&do=diff Description Specifies a function to call when an external interrupt occurs. Replaces any previous function that was attached to the interrupt. Most Arduino boards have two external interrupts: numbers 0 (on digital pin 2) and 1 (on digital pin 3). The table below shows the available interrupt pins on various boards. text/html 2024-02-16T01:05:44+02:00 https://code-reference.com/c/stdio.h/fsetpos?rev=1708041944&do=diff int fsetpos(FILE *stream, const fpos_t *pos); reset the position indicator to using fsetpos() stores the current file position indicator to the location indicated by the information in pos Returns non-zero on error. C Sourcecode Example #include <stdio.h> /* including standard library */ //#include <windows.h> /* uncomment this for Windows */ int main( void ) { FILE *stream; fpos_t file_pos; int c; int i; if((stream=fopen("test.txt","r"))==NULL) { printf("Ca… text/html 2024-02-16T01:05:41+02:00 https://code-reference.com/c/stdio.h/fseek?rev=1708041941&do=diff int fseek(FILE *stream, long int offset, int origin); Sets file position for stream stream and clears end-of-file indicator. For a binary stream, file position is set to offset bytes from the position indicated by origin: beginning of file for SEEK_SET, current position for SEEK_CUR, or end of file for SEEK_END. Behaviour is similar for a text stream, but offset must be zero or, for SEEK_SET only, a value returned by ftell. Returns non-zero on error. text/html 2024-02-16T01:05:58+02:00 https://code-reference.com/c/graphics.h/clearmouseclick?rev=1708041958&do=diff clearmouseclick Syntax of clearmouseclick #include "graphics.h" void clearmouseclick(int kind); Description of clearmouseclick The clearmouseclick function is available in the winbgim implementation of BGI graphics. This is just like getmouseclick, except it does not provide the x and y coordinates of the event. The value of the argument kind may be any of the constants listed above. After calling getmouseclick, for a particular kind of event, the ismouseclick will return false for that… text/html 2013-01-22T02:30:47+02:00 https://code-reference.com/c/keywords?rev=1358818247&do=diff C89 Keywords * auto * break * case * char * const * continue * default * do * double * else * enum * extern * float * for * goto * if * int * long * register * return * short * signed * sizeof * static * struct * switch * typedef * union * unsigned * void * volatile * while text/html 2024-02-16T01:05:47+02:00 https://code-reference.com/c/graphics.h/getmouseclick?rev=1708041947&do=diff getmouseclick Syntax of getmouseclick #include "graphics.h" voud getmouseclick(int kind, int&amp; x, int&amp; y); Description of getmouseclick The getmouseclick function is available in the winbgim implementation of BGI graphics. This function sets x and y to the pixel coordinates of an unprocessed event of the specified kind. If there is no such event, then the function sets both x and y to -1. The value of the argument kind may be any of the constants listed above. After calling getmo… text/html 2024-02-16T01:05:43+02:00 https://code-reference.com/c/stdio.h/putchar?rev=1708041943&do=diff putchar int putchar(int char); put a character into stdout C Sourcecode Example /* * putchar example code * http://code-reference.com/c/stdio.h/putchar */ #include <stdio.h> /* including standard library */ //#include <windows.h> /* uncomment this for Windows */ int main( void ) { int c; c = 0; // ASCII Code a while (c < 255) { // count chars in a while loop putchar(c); c++; } putchar('\n'); return 0; } text/html 2024-02-16T01:05:44+02:00 https://code-reference.com/c/stdio.h/rewind?rev=1708041944&do=diff rewind void rewind(FILE *stream); equal like fseek(stream, 0L, SEEK_SET); clearerr(stream); Resets the read pointer to the beginning of the File and clear the error indicator C Sourcecode Example /* * rewind example code * http://code-reference.com/c/stdio.h/rewind */ #include <stdio.h> /* including standard library */ //#include <windows.h> /* uncomment this for Windows */ int main (void) { FILE *stream; int c; long seek_position; seek_position = 21; stream=fopen("test.txt"… text/html 2024-02-16T01:05:57+02:00 https://code-reference.com/c/graphics.h/getch?rev=1708041957&do=diff getch Syntax of getch #include "graphics.h" int getch(void); Description of getch The getch function is available in the winbgim implementation of BGI graphics. You do not need to include conio.h; just include graphics.h. The function reads one character from the keyboard and returns its ASCII value (without waiting for a return key). In order to work, the user must click in the graphics window (i.e., the Windows focus must be in the graphics window). For special keys, the getch functio… text/html 2024-02-16T01:04:32+02:00 https://code-reference.com/cpp/control_structures/do?rev=1708041872&do=diff do Syntax do instruction while ( condition ); cpp Sourcecode Example #include <iostream> /* including standard library */ using namespace std; int main( void ) { int i; do cout << "Hello World no " << i << endl; while (i++); return 0; } text/html 2014-08-19T02:25:26+02:00 https://code-reference.com/objective-c/examples/uiwebview_using_local_resources?rev=1408407926&do=diff Sometimes you need or want to load a UIWebView displaying content provided with an app. If there is more then one site it might make sense to have an external .css or .js file for all your html content. Whatever, I was facing this problem currently and decided to provide my solution to you. text/html 2024-02-16T01:04:45+02:00 https://code-reference.com/c/control_structures/do?rev=1708041885&do=diff do Syntax do instruction while ( condition ); C Sourcecode Example #include <stdio.h> /* including standard library */ //#include <windows.h> /* uncomment this for Windows */ int main( void ) { int i; do printf("Hello World no %i\n",i); while (i++); return 0; } text/html 2024-02-16T01:05:47+02:00 https://code-reference.com/c/graphics.h/setrgbpalette?rev=1708041947&do=diff setrgbpalette Syntax of setrgbpalette #include <graphics.h> void setrgbpalette(int colornum, int red, int green, int blue); Description of setrgbpalette setrgbpalette can be used with the IBM 8514 and VGA drivers. colornum defines the palette entry to be loaded, while red, green, and blue define the component colors of the palette entry. For the IBM 8514 display (and the VGA in 256K color mode), colornum is in the range 0 to 255. For the remaining modes of the VGA, colornum is in the ra… text/html 2024-02-16T01:05:56+02:00 https://code-reference.com/c/graphics.h/registermousehandler?rev=1708041956&do=diff registermousehandler Example of registermousehandler /* mouse example */ #include "graphics.h" // The click_handler will be called whenever the left mouse button is // clicked. It checks copies the x,y coordinates of the click to // see if the click was on a red pixel. If so, then the boolean // variable red_clicked is set to true. Note that in general // all handlers should be quick. If they need to do more than a little // work, they should set a variable that will trigger the work going, … text/html 2024-02-16T01:05:43+02:00 https://code-reference.com/c/stdio.h/fputchar?rev=1708041943&do=diff int fputchar( int c ); description The fputchar() function writes the character specified by the argument c to the output stream stdout. This function is identical to the putchar() function. example #include <stdio.h> int main( void ) { FILE *fp; int c; fp = fopen( "file.txt", "r" ); if( fp != NULL ) { c = fgetc( fp ); while( c != EOF ) { fputchar( c ); c = fgetc( fp ); } fclose( fp ); } } text/html 2024-02-16T01:05:56+02:00 https://code-reference.com/c/graphics.h/sector?rev=1708041956&do=diff sector Syntax of sector #include <graphics.h> void sector(int x, int y, int stangle, int endangle, int xradius, int yradius); Description of sector Draws and fills an elliptical pie slice using (x,y) as the center point, xradius and yradius as the horizontal and vertical radii, respectively, and drawing from stangle to endangle. The pie slice is outlined using the current color, and filled using the pattern and color defined by setfillstyle or setfillpattern. The angles for sector are g… text/html 2024-02-16T01:05:42+02:00 https://code-reference.com/c/stdio.h/getc?rev=1708041942&do=diff getc int getc(FILE *stream); Returns next character from (input) stream stream, or EOF on end-of-file or error. C Sourcecode Example /* * getc example code * http://code-reference.com/c/stdio.h/getc */ #include <stdio.h> /* including standard library */ //#include <windows.h> /* uncomment this for Windows */ int main( void ) { FILE *stream; int c; if((stream=fopen("test.txt","r"))==NULL) { printf("Cannot open file.\n"); return 1; } whi… text/html 2024-02-16T00:48:15+02:00 https://code-reference.com/bash/case?rev=1708040895&do=diff case The case and select constructs are technically not loops, since they do not iterate the execution of a code block. Like loops, however, they direct program flow according to conditions at the top or bottom of the block. Controlling program flow in a code block case (in) / esac The case construct is the shell scripting analog to switch in C/C++. It permits branching to one of a number of code blocks, depending on condition tests. It serves as a kind of shorthand for multiple if/then/e… text/html 2013-02-23T18:10:45+02:00 https://code-reference.com/c/string.h/strtok?rev=1361639445&do=diff #include <stdlib.h> char *strtok(char *str1, const char *str2); description of strtok Function strtok breaks a string (str1) into individual strings based on the so-called token. The string is separated by one delimiter (str2). “str2” may contain multiple tokens, e.g. str2 = “\ n” (ie separation in space, comma, New Line, Point). text/html 2024-02-16T01:06:01+02:00 https://code-reference.com/c/keywords/while?rev=1708041961&do=diff see while text/html 2024-02-16T01:05:00+02:00 https://code-reference.com/c/conio.h/kbhit?rev=1708041900&do=diff int kbhit(); description of kbhit used to find ou if a key has been pressed or not #include <stdio.h> #include <conio.h> int main( void ) { while (kbhit()) printf("you have touched key.\n"); return 0; } output of kbhit c example you have touched a key text/html 2024-02-16T01:04:07+02:00 https://code-reference.com/arduino/control_structures/continue?rev=1708041847&do=diff The continue statement skips the rest of the current iteration of a loop (do, for, or while). It continues by checking the conditional expression of the loop, and proceeding with any subsequent iterations. Example for (x = 0; x < 255; x ++) { if (x > 40 && x < 120){ // create jump in values continue; } digitalWrite(PWMpin, x); delay(50); } text/html 2024-02-16T01:05:41+02:00 https://code-reference.com/c/stdio.h/putc?rev=1708041941&do=diff putc int putc(int char, FILE *stream); put char into a stream. C Sourcecode Example /* * putc example code * http://code-reference.com/c/stdio.h/putc */ #include <stdio.h> /* including standard library */ //#include <windows.h> /* uncomment this for Windows */ int main( void ) { int c; FILE *stream, *destination; stream = fopen("test.txt", "r"); destination = fopen("test_copy.txt","w"); if (stream == 0 || destination == 0) { perror("cannot open stream"); … text/html 2024-02-16T01:05:47+02:00 https://code-reference.com/c/graphics.h/putpixel?rev=1708041947&do=diff putpixel Syntax of putpixel #include <graphics.h> void putpixel(int x, int y, int color); Description of putpixel putpixel plots a point in the color defined by color at (x,y). Example of putpixel /* putpixel example */ #include <graphics.h> #include <stdlib.h> #include <stdio.h> #include <conio.h> #include <dos.h> #define PIXEL_COUNT 1000 #define DELAY_TIME 100 /* in milliseconds */ int main() { /* request autodetection */ int gdriver = DETECT, gmode, errorcode; int i… text/html 2024-02-16T01:04:45+02:00 https://code-reference.com/c/control_structures/break?rev=1708041885&do=diff syntax break; Description: break ends a loop immediately C Sourcecode Example #include <stdio.h> /* including standard library */ //#include <windows.h> /* uncomment this for Windows */ int main ( void ) { int i; i=0; while (1) { i++; if (i==42) { break; } } printf("The answer is %i\n",i); return 0; } text/html 2024-02-16T01:04:49+02:00 https://code-reference.com/c/stdlib.h/system?rev=1708041889&do=diff #include <stdlib.h> int system(const char *string); system calls a command on the shell system c code example /* * system example code * http://code-reference.com/c/stdlib.h/system */ #include <stdio.h> #include <stdlib.h> int main (void) { char * command = "uname -a"; int cmd = system( command ); if( cmd == -1 ) { printf( "Error while initalize system command.\n"); } else if( cmd > 0 ) { printf( "command return value %d.\n", cmd ); } else printf( "success\n" )… text/html 2024-02-16T01:04:07+02:00 https://code-reference.com/arduino/control_structures/for?rev=1708041847&do=diff Desciption The for statement is used to repeat a block of statements enclosed in curly braces. An increment counter is usually used to increment and terminate the loop. The for statement is useful for any repetitive operation, and is often used in combination with arrays to operate on collections of data/pins. text/html 2024-02-16T01:04:20+02:00 https://code-reference.com/arduino/math/min?rev=1708041860&do=diff Description Calculates the minimum of two numbers. Parameters x: the first number, any data type y: the second number, any data type Returns The smaller of the two numbers. Examples sensVal = min(sensVal, 100); // assigns sensVal to the smaller of sensVal or 100 // ensuring that it never gets above 100. text/html 2014-12-04T13:27:53+02:00 https://code-reference.com/c/stdio.h/fgetc?rev=1417696073&do=diff fgetc int fgetc ( FILE * stream ); Returns next character from (input) stream stream, or EOF on end-of-file or error. C Sourcecode Example /* * fgetc example code * http://code-reference.com/c/stdio.h/fgetc */ #include <stdio.h> /* including standard library */ //#include <windows.h> /* uncomment this for Windows */ int main( void ) { FILE *stream; char c; if((stream=fopen("test.txt","r"))==NULL) { printf("Cannot open file.\n"); return 1; } while((c = fget… text/html 2024-02-16T01:05:42+02:00 https://code-reference.com/c/stdio.h/fscanf?rev=1708041942&do=diff fscanf int fscanf(FILE *stream, const char *format, ...); Performs formatted input conversion, reading from stream stream according to format format. The function returns when format is fully processed. Returns number of items converted and assigned, or EOF if end-of-file or error occurs before any conversion. Each of the arguments following format must be a pointer. Format string may contain: text/html 2013-01-10T10:16:09+02:00 https://code-reference.com/bash/examples/iisscan?rev=1357809369&do=diff Simple IIS network scanner Requirements: grep, nmap, netcat #!/bin/bash # A Simple IIS network scanner # ./iisscan.sh 10.*.54.3-23 output # http://code-reference.com # thanks to Ge0rG clear if [ $# -ne 2 ] then echo "$0 [ip room] [outputfile]" >&2 exit 0 else echo "Written by cd ;) " echo "scan started against to $1 on port 80" echo "ScR1Ptk1dDi3 Pr0t3c7 Sy5t3m v 1.o";exit 1 nmap $1 -p 80 -sS -oG ~/$1.out | grep open | cut '-d ' -f 2 cat ~/$1.out | grep open | cut… text/html 2024-02-16T01:06:00+02:00 https://code-reference.com/c/keywords/do?rev=1708041960&do=diff see while text/html 2024-02-16T01:05:49+02:00 https://code-reference.com/c/graphics.h/ismouseclick?rev=1708041949&do=diff ismouseclick Syntax of ismouseclick #include "graphics.h" bool ismouseclick(int kind); Description of ismouseclick The ismouseclick function is available in the winbgim implementation of BGI graphics. This function returns true if there is an unprocessed mouse event of the specified kind. The argument to ismouseclick is one of these constants from the graphics.h file: WM_MOUSEMOVE if you want to detect a mouse movement WM_LBUTTONDBLCLK ...detect when the left mouse button is double … text/html 2013-02-12T23:23:50+02:00 https://code-reference.com/c/conio.h/ungetch?rev=1360707830&do=diff int ungetch(int ch); description of ungetch Pushes a character back into the keyboard buffer. return Successful execution ungetch returns the character ch. If an error occurs, the function returns EOF. #include <stdio.h> #include <ctype.h> #include <conio.h> int main(void) { int i=0; char ch; puts("Input an integer followed by a char:"); while((ch = getche()) != EOF && isdigit(ch)) i = 10 * i + ch - 48; if (ch != EOF) ungetch(ch); printf("\n\ni = %d, n… text/html 2015-01-30T21:01:41+02:00 https://code-reference.com/c/stdio.h/getchar?rev=1422648101&do=diff getchar #include <ctype.h> int getchar( void ); Get a character C Sourcecode Example /* * getchar example code * http://code-reference.com/c/stdio.h/getchar */ #include <stdio.h> /* including standard library */ //#include <windows.h> /* uncomment this for Windows */ #include <ctype.h> int main ( void ) { int chars; printf("type in . to end your input : "); while ((chars = getchar()) != '.' ){ putchar(chars); } return 0; } text/html 2013-02-27T23:46:26+02:00 https://code-reference.com/c/mysql/mysql.h/mysql_eof?rev=1362005186&do=diff my_bool mysql_eof(MYSQL_RES *result) description of mysql_eof is used to test whether a quantitative result has been read completely. returns 0 until the end of the results has not yet been reached otherwise value is 0 This function is obsolete,use mysql_errno() or mysql_error() text/html 2013-02-03T21:10:45+02:00 https://code-reference.com/c/conio.h/putch?rev=1359922245&do=diff int putch(int c); description of putch prints characters on the screen. putch gives the character c to the current text window. It is a text-mode function that displays output directly to the console. putch replaces the newline character (\ n) characters are not merchandise return / line feed. Depending _directvideo of the global variable, the string is written either directly or through a BIOS call to screen memory. text/html 2013-02-17T03:59:12+02:00 https://code-reference.com/c/stdio.h/fgetpos?rev=1361069952&do=diff int fgetpos(FILE *stream, fpos_t *pos); Stores current file position for stream stream in *pos. Returns non-zero on error. Description The fgetpos() function stores the file position indicator of the given file stream in the given position variable. The position variable is of type fpos_t (which is defined in stdio.h) and is an object that can hold every possible position in a FILE. fgetpos() returns zero upon success, and a non-zero value upon failure. text/html 2024-02-16T01:05:43+02:00 https://code-reference.com/c/stdio.h/ungetc?rev=1708041943&do=diff ungetc #include <stdio.h> /* including standard library */ //#include <windows.h> /* uncomment this for Windows */ int ungetc(int chr, FILE *stream); Pushes chr (which must not be EOF), onto (input) stream stream such that it will be returned by the next read. Only one character of pushback is guaranteed (for each stream). Returns chr, or EOF on error. text/html 2024-02-16T01:04:32+02:00 https://code-reference.com/cpp/control_structures/break?rev=1708041872&do=diff syntax break; Description: break ends a loop immediately cpp Sourcecode Example #include <iostream> /* including standard library */ using namespace std; int main ( void ) { int i; i=0; while (1) { i++; if (i==42) { break; } } cout << "The answer is " << i <<; return 0; } text/html 2013-04-10T15:58:12+02:00 https://code-reference.com/c/control_structures/switch?rev=1365602292&do=diff description The switch statement is a multi-select control structure. An expression is evaluated once and compared to 'constants'. In case of equality, the 'statements' that come after the 'constant' are processed. In switch 'statements' can only ordinary data types (ie, 'int', 'long', char, short, etc.) can be used. text/html 2024-02-16T01:04:16+02:00 https://code-reference.com/arduino/bitwise_operators/bitwisecompoundor?rev=1708041856&do=diff Description The compound bitwise OR operator (|=) is often used with a variable and a constant to “set” (set to 1) particular bits in a variable. Syntax: x |= y; // equivalent to x = x | y; Parameters x: a char, int or long variable y: an integer constant or char, int, or long text/html 2024-02-16T01:05:33+02:00 https://code-reference.com/c/wchar.h/fputwc?rev=1708041933&do=diff fputwc #include <wchar.h> wint_t fputwc(wchar_t, FILE *); Description fputwc writes a single wide-character to the stream at the position of the file pointer and advances the pointer. If the write was successful, the character that was written is returned. Otherwise, the function returns WEOF. text/html 2024-02-16T01:04:24+02:00 https://code-reference.com/arduino/interrupts/nointerrupts?rev=1708041864&do=diff Description Disables interrupts (you can re-enable them with interrupts()). Interrupts allow certain important tasks to happen in the background and are enabled by default. Some functions will not work while interrupts are disabled, and incoming communication may be ignored. Interrupts can slightly disrupt the timing of code, however, and may be disabled for particularly critical sections of code. text/html 2024-02-16T01:05:51+02:00 https://code-reference.com/c/graphics.h/mousey?rev=1708041951&do=diff mousey Syntax of mousey #include "graphics.h" int mousey(void); Description of mousey The mousey function is available in the winbgim implementation of BGI graphics. It returns the most recent y coordinate of the mouse within the graphics window. Y-coordinates start with 0 at the top edge of the window and increase to getmaxy( ) at the bottom edge of the window. text/html 2024-02-16T01:04:21+02:00 https://code-reference.com/arduino/math/max?rev=1708041861&do=diff Description Calculates the maximum of two numbers. Parameters x: the first number, any data type y: the second number, any data type Returns The larger of the two parameter values. Example sensVal = max(senVal, 20); // assigns sensVal to the larger of sensVal or 20 // (effectively ensuring that it is at least 20) text/html 2024-02-16T01:04:08+02:00 https://code-reference.com/arduino/control_structures/break?rev=1708041848&do=diff break is used to exit from a do, for, or while loop, bypassing the normal loop condition. It is also used to exit from a switch statement. Example for (x = 0; x < 255; x ++) { digitalWrite(PWMpin, x); sens = analogRead(sensorPin); if (sens > threshold){ // bail out on sensor detect x = 0; break; } delay(50); } text/html 2024-02-16T01:05:40+02:00 https://code-reference.com/c/stdio.h/ftell?rev=1708041940&do=diff ftell long int ftell(FILE *stream); Returns current file position for stream stream, or -1 on error. C Sourcecode Example #include <stdio.h> /* including standard library */ //#include <windows.h> /* uncomment this for Windows */ int main( void ) { FILE *stream; int c; if((stream=fopen("test.txt","r"))==NULL) { printf("Cannot open file.\n"); return 1; } while((c = fgetc(stream) ) != EOF) { printf("position of pointer in the stream i… text/html 2024-02-16T01:04:16+02:00 https://code-reference.com/arduino/constants/progmem?rev=1708041856&do=diff Store data in flash (program) memory instead of SRAM. There's a description of the various types of memory available on an Arduino board. The PROGMEM keyword is a variable modifier, it should be used only with the datatypes defined in pgmspace.h. It tells the compiler “put this information into flash memory”, instead of into SRAM, where it would normally go. text/html 2013-04-18T09:11:21+02:00 https://code-reference.com/java/loops/for?rev=1366269081&do=diff for ( init; condition; increment ){ statements; } description of for a for loop do statements while the condition is true/untrue, the increment counts the loop, it is possible to use more than 1 condition in the for loop example 1 of for in java package codereferececomjava; public class CodeRefereceComJava { public static void main(String[] args) { int myOtherCount=5; for (int i = 0; i <= myOtherCount; i++) { System.out.print… text/html 2014-06-27T15:56:36+02:00 https://code-reference.com/c/stdlib.h/mbtowc?rev=1403877396&do=diff mbtowc #include <stdlib.h> int mbtowc(whcar_t *pwc, const char *str, size_t n); Description converts a multibyte character into a wide character. <setlocale.h> <wchar.h> is for this example nessesary mbtowc C Sourcecode Example /* * mbtowc example code * http://code-reference.com/c/stdlib.h/mbtowc */ #include <stdio.h> #include <stdlib.h> #include <wchar.h> /* wint_t*/ #include <locale.h> /* setlocale*/ int main(void) { wchar_t wchar; char string[] = "mbtowc: 測試… text/html 2024-02-16T01:05:52+02:00 https://code-reference.com/c/graphics.h/mousex?rev=1708041952&do=diff mousex Syntax of mousex #include "graphics.h" int mousex(void); Description of mousex The mousex function is available in the winbgim implementation of BGI graphics. It returns the most recent x coordinate of the mouse within the graphics window. X-coordinates start with 0 at the left edge of the window and increase to getmaxx( ) at the right edge of the window. text/html 2013-02-27T23:02:56+02:00 https://code-reference.com/c/mysql/mysql.h/mysql_data_seek?rev=1362002576&do=diff void mysql_data_seek(MYSQL_RES *result, my_ulonglong offset) description of mysql_data_seek mysql_data_seek find any row in a result set. the offset value is a row number from 0 to mysql_num_rows (result) -1. As required for this feature is that the result set structure contains the entire result set, can mysql_data_seek() may be used only in conjunction with mysql_store_result(), not with mysql_use_result(). text/html 2024-02-16T01:05:53+02:00 https://code-reference.com/c/graphics.h/putimage?rev=1708041953&do=diff putimage Syntax of putimage #include <graphics.h> void putimage(int left, int top, void *bitmap, int op); Description of putimage putimage puts the bit image previously saved with getimage back onto the screen, with the upper left corner of the image placed at (left,top). bitmap points to the area in memory where the source image is stored. The op parameter to putimage specifies a combination operator that controls how the color for each destination pixel onscreen is computed, based on … text/html 2013-03-01T00:27:36+02:00 https://code-reference.com/c/mysql/mysql.h/mysql_fetch_field?rev=1362094056&do=diff MYSQL_FIELD *mysql_fetch_field(MYSQL_RES *result) description of mysql_fetch_field mysql_fetch_field provides a structure MYSQL_FIELD with information about the current field of quantitative results and advance the field pointer to the next field text/html 2024-02-16T01:04:15+02:00 https://code-reference.com/arduino/bitwise_operators/bitwisecompoundand?rev=1708041855&do=diff Description The compound bitwise AND operator (&=) is often used with a variable and a constant to force particular bits in a variable to the LOW state (to 0). This is often referred to in programming guides as “clearing” or “resetting” bits. text/html 2024-02-16T01:05:40+02:00 https://code-reference.com/c/stdio.h/tmpfile?rev=1708041940&do=diff FILE *tmpfile(void); tmpfile Creates temporary file which will be removed when closed or on normal program termination. standard mode (mode “wb+”) Returns stream or NULL on failure. C Sourcecode Example /* * tmpfile example code * http://code-reference.com/c/stdio.h/tmpfile */ #include <stdio.h> /* including standard library */ //#include <windows.h> /* uncomment this for Windows */ int main ( void ) { FILE *stream = tmpfile(); char c; if( stream == NULL ) { perror("Er… text/html 2024-02-16T01:05:41+02:00 https://code-reference.com/c/stdio.h/fprintf?rev=1708041941&do=diff int fprintf(FILE *stream, const char *format, ...); Converts (according to format format) and writes output to stream stream. Number of characters written, or negative value on error, is returned. optional flag: - left adjust + always sign 0 zero pad # Alternate form: for conversion character o, first digit will be zero, for [xX], prefix 0x or 0X to non-zero value, for [eEfgG], always decimal point, for [gG] trailing zeros not removed. optional minimum width: if specified as *… text/html 2015-08-11T17:59:20+02:00 https://code-reference.com/c/graphics.h/getpixel?rev=1439308760&do=diff getpixel Syntax of getpixel #include <graphics.h> unsigned getpixel(int x, int y); Description of getpixel getpixel gets the color of the pixel located at (x,y). Example of getpixel /* getpixel example */ #include <graphics.h> #include <stdlib.h> #include <stdio.h> #include <conio.h> #include <dos.h> #define PIXEL_COUNT 1000 #define DELAY_TIME 100 /* in milliseconds */ int main(void) { /* request autodetection */ int gdriver = DETECT, gmode, errorcode; int i, x, y, col… text/html 2024-02-16T01:04:17+02:00 https://code-reference.com/arduino/random_numbers/randomseed?rev=1708041857&do=diff Description randomSeed() initializes the pseudo-random number generator, causing it to start at an arbitrary point in its random sequence. This sequence, while very long, and random, is always the same. If it is important for a sequence of values generated by random() to differ, on subsequent executions of a sketch, use randomSeed() to initialize the random number generator with a fairly random input, such as analogRead() on an unconnected pin. text/html 2024-02-16T01:04:44+02:00 https://code-reference.com/c/time.h/clock?rev=1708041884&do=diff clock clock_t clock(void); Description The clock() function returns the processor time since the program started, or -1 if that information is unavailable. To convert the return value to seconds, divide it by CLOCKS_PER_SEC. (Note: if your compiler is POSIX compliant, then CLOCKS_PER_SEC is always defined as 1000000.) text/html 2024-02-16T01:05:40+02:00 https://code-reference.com/c/stdio.h/feof?rev=1708041940&do=diff int feof(FILE *stream); checks that are applied to a stream or data or the end-of-file indicator is set. Used to determine if the end of the file (stream) specified, has been reached. When a file is being read sequentially one line, or one piece of data at a time (by means of a loop, say), this is the function you check every iteration, to see if the end of the file has come. Returns non-zero if end-of-file indicator is set for stream stream. text/html 2024-02-16T01:04:24+02:00 https://code-reference.com/arduino/interrupts/interrupts?rev=1708041864&do=diff Description Re-enables interrupts (after they've been disabled by noInterrupts()). Interrupts allow certain important tasks to happen in the background and are enabled by default. Some functions will not work while interrupts are disabled, and incoming communication may be ignored. Interrupts can slightly disrupt the timing of code, however, and may be disabled for particularly critical sections of code. text/html 2024-02-16T01:05:41+02:00 https://code-reference.com/c/stdio.h/fputc?rev=1708041941&do=diff fputc int fputc(int ch, FILE *stream); Writes ch, to stream stream. Returns ch, or EOF on error. C Sourcecode Example /* * fputc example code * http://code-reference.com/c/stdio.h/fputc */ #include <stdio.h> /* including standard library */ //#include <windows.h> /* uncomment this for Windows */ int main( void ) { FILE *stream, *stream_target; char c; if((stream=fopen("test.txt","rb"))==NULL) { printf("Cannot open file.\n"); return 1; } if((stream_targ… text/html 2024-02-16T01:05:51+02:00 https://code-reference.com/c/graphics.h/imagesize?rev=1708041951&do=diff imagesize Syntax of imagesize #include <graphics.h> unsigned imagesize(int left, int top, int right, int bottom); Description of imagesize imagesize determines the size of the memory area required to store a bit image. If the size required for the selected image is greater than or equal to 64K - 1 bytes, imagesize returns 0xFFFF (-1).