https://code-reference.com/ 2026-05-19T01:05:52+02:00 https://code-reference.com/ https://code-reference.com/ttps://code-reference.com/lib/tpl/dokuwiki/images/favicon.ico text/html 2024-02-16T01:04:00+02:00 https://code-reference.com/java/io/printwriter?rev=1708041840&do=diff ---------- The PrintWriter class is a simple way of writing to files in Java io. It can be used in many ways and offers a great deal of methods inside the class. Some of these are quite common methods throughout the language itself. I will go through them step by step, giving examples for each. Let's get started: text/html 2024-02-16T01:04:52+02:00 https://code-reference.com/c/stdlib.h/malloc?rev=1708041892&do=diff #include <stdlib.h> void *malloc(size_t size); description The malloc() function shall allocate unused space for an object whose size in bytes is specified by size and whose value is unspecified. The order and contiguity of storage allocated by successive calls to malloc() is unspecified. The pointer returned if the allocation succeeds shall be suitably aligned so that it may be assigned to a pointer to any type of object and then used to access such an object in the space allocated… text/html 2013-09-09T09:07:22+02:00 https://code-reference.com/java/io/printstream/write?rev=1378710442&do=diff Writes count or one byte to target stream/buffer. write(int oneByte); write(byte[] buffer, int offset, int length); Language Example try( //Try-with-resource-block FileWriter stream = new FileWriter("output.txt"); // create file BufferedWriter output = new BufferedWriter(stream); ) { output.write("Hello Harddisk"); // Write to Stream //This is an auto-closable block so no need of "output.close();" } … text/html 2024-02-16T01:04:50+02:00 https://code-reference.com/c/stdlib.h/realloc?rev=1708041890&do=diff realloc #include <stdlib.h> void *realloc(void *ptr, size_t size); description The realloc() function shall change the size of the memory object pointed to by ptr to the size specified by size. The contents of the object shall remain unchanged up to the lesser of the new and old sizes. If the new size of the memory object would require movement of the object, the space for the previous instantiation of the object is freed. If the new size is larger, the contents of the newly a… text/html 2014-10-12T05:22:44+02:00 https://code-reference.com/c/stdlib.h/free?rev=1413084164&do=diff #include <stdlib.h> void free(void *ptr); description The free() function shall cause the space pointed to by ptr to be deallocated; that is, made available for further allocation. If ptr is a null pointer, no action shall occur. Otherwise, if the argument does not match a pointer earlier returned by the calloc(), malloc(), posix_memalign(), realloc(), or strdup() function, or if the space has been deallocated by a call to free() or realloc(), the behavior is undefined. Any use of … text/html 2017-07-31T22:37:05+02:00 https://code-reference.com/wiki/syntax?rev=1501533425&do=diff DokuWiki supports some simple markup language, which tries to make the datafiles to be as readable as possible. This page contains all possible syntax you may use when editing the pages. Simply have a look at the source of this page by pressing the Edit this page button at the top or bottom of the page. If you want to try something, just use the playground page. The simpler markup is easily accessible via quickbuttons, too. 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 2024-02-16T01:04:13+02:00 https://code-reference.com/arduino/variable_scope_and_qualifiers/const?rev=1708041853&do=diff The const keyword stands for constant. It is a variable qualifier that modifies the behavior of the variable, making a variable ”read-only”. This means that the variable can be used just as any other variable of its type, but its value cannot be changed. You will get a compiler error if you try to assign a value to a const variable. text/html 2024-02-16T01:04:52+02:00 https://code-reference.com/c/stdlib.h/abort?rev=1708041892&do=diff abort #include <stdlib.h> void abort(void); Cause abnormal program termination, and try to catch SIGABRT. no return value C Sourcecode Example #include <stdio.h> /* including standard library */ //#include <windows.h> /* uncomment this for Windows */ /* for printf */ #include <stdlib.h> int main( void ) { int x=2,y=5,i; i=x+y; printf("x = %i | y = %i\n", x, y); abort(); /* will never execute, abort will terminate the programm */ printf("result of %i+%i= %i… text/html 2015-05-27T21:54:59+02:00 https://code-reference.com/bash/shortcuts?rev=1432756499&do=diff Bash Shortcuts shortcut Description Ctrl-a Move to the start of the line.Ctrl-e Move to the end of the line.Ctrl-b Move back one character.Alt-b Move back one word.Ctrl-f Move forward one character.Alt-f Move forward one word.Ctrl-] x Where x is any character, moves the cursor forward to the next occurance of x.Alt-Ctrl-] x Where x is any character, moves the cursor backwards to the previous occurance of x.Ctrl-u Delete from the cursor to the beginning of the line.Ctrl-k D… text/html 2024-02-16T01:04:24+02:00 https://code-reference.com/arduino/utilities/sizeof?rev=1708041864&do=diff Description The sizeof operator returns the number of bytes in a variable type, or the number of bytes occupied by an array. Syntax sizeof(variable) Parameters variable: any variable type or array (e.g. int, float, byte) Example code The sizeof operator is useful for dealing with arrays (such as strings) where it is convenient to be able to change the size of the array without breaking other parts of the program.