https://code-reference.com/ 2026-06-25T09:15:42+02:00 https://code-reference.com/ https://code-reference.com/ttps://code-reference.com/lib/tpl/dokuwiki/images/favicon.ico text/html 2024-02-16T01:04:50+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 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 2024-02-16T01:04:49+02:00 https://code-reference.com/c/stdlib.h/calloc?rev=1708041889&do=diff #include <stdlib.h> void *calloc(size_t nitems, size_t size); description The calloc() function shall allocate unused space for an array of nelem elements each of whose size in bytes is elsize. The space shall be initialized to all bits 0. The order and contiguity of storage allocated by successive calls to calloc() 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… text/html 2013-03-07T03:50:18+02:00 https://code-reference.com/java/lang/object?rev=1362624618&do=diff Object Name Description equals Determines whether an other object is equal to this one or not main main automatically generated overview ... Change this page if you have a better description text/html 2024-02-16T01:12:21+02:00 https://code-reference.com/objective-c/foundation.framework/nsarray.h/initwithobjects?rev=1708042341&do=diff initWithObjects - (id)initWithObjects:(id)firstObj, ... NS_REQUIRES_NIL_TERMINATION; Parameters firstObj, secondObj... Comma-separated objects ending with nil. Return Value An array initialized to include the parameters objects. After an immutable array has been initialized in this way, it can’t be modified. text/html 2024-02-16T01:05:44+02:00 https://code-reference.com/c/stdio.h/fpos_t?rev=1708041944&do=diff Object containing information to specify a position within a file This type of object is used to specify a position within a file. An object of this type is capable of specifying uniquely the position within a file. text/html 2024-02-16T01:12:23+02:00 https://code-reference.com/objective-c/foundation.framework/nsvalue.h/valuewithcgrect?rev=1708042343&do=diff valueWithCGRect + (NSValue *)valueWithCGRect:(CGRect)rect; Creates and returns an NSValue object that contains the value of a CGRect. Return Value - A new NSValue object. ObjC Sourcecode Example //** Sample datatype ** CGRect aRect = CGRectMake(0.0f, 0.0f, 150.0f, 200.0f); // ** Create nsvalue object ** NSValue *cgRectValue = [NSValue valueWithCGRect:aRect]; // ** Output ** NSLog(@"%@", cgRectValue); text/html 2024-02-16T01:12:23+02:00 https://code-reference.com/objective-c/foundation.framework/nsvalue.h/valuewithcgpoint?rev=1708042343&do=diff valueWithCGPoint + (NSValue *)valueWithCGPoint:(CGPoint)point; Creates and returns an NSValue object that contains the value of a CGPoint. Return Value - A new NSValue object. ObjC Sourcecode Example // ** Sample datatype ** CGPoint aPoint = CGPointMake(150.0f, 200.0f); // ** Create nsvalue object ** NSValue *cgPointValue = [NSValue valueWithCGPoint:aPoint]; // ** Output ** NSLog(@"%@", cgPointValue); text/html 2024-02-16T01:12:23+02:00 https://code-reference.com/objective-c/foundation.framework/nsvalue.h/valuewithcgsize?rev=1708042343&do=diff valueWithCGSize + (NSValue *)valueWithCGSize:(CGSize)size; Creates and returns an NSValue object that contains the value of a CGSize. Return Value - A new NSValue object. ObjC Sourcecode Example // ** Sample datatype ** CGSize aSize = CGSizeMake(150.0f, 200.0f); // ** Add the value to nsvalue object ** NSValue *cgSizeValue = [NSValue valueWithCGSize:aSize]; // ** Output ** NSLog(@"%@", cgSizeValue); text/html 2013-04-10T10:14:55+02:00 https://code-reference.com/java/util/scanner/nextshort?rev=1365581695&do=diff public short nextShort() return short scanned from the input example nextShort() in java package scanner; import java.util.Scanner; public class Scanner { public static void main(String[] args) { /* Create Scanner Object for the input from the keyboard */ Scanner scan = new Scanner(System.in); short currency; System.out.print("Please enter a number: "); currency = scan.nextShort(); // read keyboard buffer … text/html 2013-04-10T10:12:37+02:00 https://code-reference.com/java/lang/object/equals?rev=1365581557&do=diff Compares object and indecates if they equal equals(Object); return value: boolean true/false equals Example in java String a = "42"; String b = "144"; if ( a.equals(b) ) { System.out.println(b+" is the answer"); } else { System.out.println(b+" is probably not the answer"); } text/html 2013-04-10T10:14:25+02:00 https://code-reference.com/java/util/scanner/nextline?rev=1365581665&do=diff public String nextLine() return the scanned content from the input example nextLine() in java package scanner; import java.util.Scanner; public class Scanner { public static void main(String[] args) { /* Create Scanner Object for the input from the keyboard */ Scanner scan = new Scanner(System.in); String line; System.out.print("Please enter what you want: "); line = scan.nextLine(); // read keyboard buffer … text/html 2013-04-10T10:13:54+02:00 https://code-reference.com/java/util/scanner/nextfloat?rev=1365581634&do=diff public float nextFloat() return float scanned from the input example nextFloat in java package scanner; import java.util.Scanner; public class Scanner { public static void main(String[] args) { /* Create Scanner Object for the input from the keyboard */ Scanner scan = new Scanner(System.in); float currency; System.out.print("Please enter a number: "); currency = scan.nextFloat(); // read currency … text/html 2013-02-03T20:35:58+02:00 https://code-reference.com/c/mysql/mysql.h/mysql_init?rev=1359920158&do=diff MYSQL *mysql_init(MYSQL *mysql) description of mysql_init allocates / initializes a MYSQL object and returns a new object #include <stdio.h> /* including standard library */ //#include <windows.h> /* uncomment this for Windows */ #include <mysql/mysql.h> MYSQL *my; int main( void ){ char host[20]; char user[20]; char pass[20]; my = mysql_init(NULL); sprintf(host,"localhost"); sprintf(user,"root"); sprintf(pass,"yourpass"); if (my == NULL ) { printf("Cant initalisize MySQL\n"); … text/html 2024-02-16T00:48:13+02:00 https://code-reference.com/java/lang?rev=1708040893&do=diff lang Name Description objectThe root of the class hierarchy. All classes have this as a superclass text/html 2013-04-10T10:14:40+02:00 https://code-reference.com/java/util/scanner/nextlong?rev=1365581680&do=diff public long nextLong() return long scanned from the input example nextLong() in java package scanner; import java.util.Scanner; public class Scanner { public static void main(String[] args) { /* Create Scanner Object for the input from the keyboard */ Scanner scan = new Scanner(System.in); long currency; System.out.print("Please enter a number: "); currency = scan.nextLong(); // read keyboard buffer … text/html 2013-04-10T10:14:10+02:00 https://code-reference.com/java/util/scanner/nextint?rev=1365581650&do=diff public int nextInt() return int scanned from the input example nextInt in java package scanner; import java.util.Scanner; public class Scanner { public static void main(String[] args) { /* Create Scanner Object for the input from the keyboard */ Scanner scan = new Scanner(System.in); int currency; System.out.print("Please enter a number: "); currency = scan.nextInt(); // read currency System.… text/html 2013-05-27T18:35:18+02:00 https://code-reference.com/java/util/scanner?rev=1369672518&do=diff Reads input from a Keyboard, or a Device CODE_SIGN_IDENTITY --verify --file-list --display -r- Terminal.app example Scanner in java package scanner; import java.util.Scanner; public class Scanner { public static void main(String[] args) { /* Create Scanner Object for the input from the keyboard */ Scanner scan = new Scanner(System.in); double currency, amount, exchangeRate; String currencyName, newCurrency; … text/html 2013-04-10T10:13:38+02:00 https://code-reference.com/java/util/scanner/nextdouble?rev=1365581618&do=diff public double nextDouble() double scanned from the input example nextDouble in java package scanner; import java.util.Scanner; public class Scanner { public static void main(String[] args) { /* Create Scanner Object for the input from the keyboard */ Scanner scan = new Scanner(System.in); double currency, amount, exchangeRate; String currencyName, newCurrency; System.out.print("Please enter the amount (with d… text/html 2024-02-16T01:04:12+02:00 https://code-reference.com/arduino/data_types/string?rev=1708041852&do=diff Description Text strings can be represented in two ways. you can use the String data type, which is part of the core as of version 0019, or you can make a string out of an array of type char and null-terminate it. This page described the latter method. For more details on the String object, which gives you more functionality at the cost of more memory, see the String object page. text/html 2013-04-17T08:11:25+02:00 https://code-reference.com/java/variables/array?rev=1366179085&do=diff an array, it is a object variable (box,container), which is a variable in a position to take up more than one object of the same type and manage it example of arrays in java package arrays; public class Arrays { public static void main(String[] args) { int[] digits1; // Reference Variable int[] digits2= new int[5]; // Definition with 5 x Integer int[] digits3= {1,2,3,4,5}; // Definie with initialization ( 5 Integer) // pass Element… text/html 2024-02-16T01:06:21+02:00 https://code-reference.com/objective-c/foundation.framework/nsstring.h?rev=1708041981&do=diff NSString The NSString class declares the programmatic interface for an object that manages immutable strings. NSString is implemented to represent an array of Unicode characters, in other words, a text string. caseinsensitivecompare isequaltostring lowercasestring stringbyappendingformat stringbyappendingstring stringwithformat uppercasestring text/html 2024-02-16T01:12:26+02:00 https://code-reference.com/objective-c/foundation.framework/nsnumber.h/floatvalue?rev=1708042346&do=diff floatValue - (float)floatValue; Returns the receiver’s value. Return Value - The receiver’s value as datatyp, converting it as necessary. ObjC Sourcecode Example //** Sample Datatype ** float myFloat = 1.123456f; //** Initializing NSNumber Object ** NSNumber *myFloatNumber = [[NSNumber alloc]initWithFloat:myFloat]; //** To access your value use floatValue ** if ([myFloatNumber floatValue] == 1.123456f) { NSLog(@"myFloatNumber:%@… text/html 2024-02-16T01:12:26+02:00 https://code-reference.com/objective-c/foundation.framework/nsnumber.h/initwithinteger?rev=1708042346&do=diff initWithInteger - (id)initWithInteger:(NSInteger)value NS_AVAILABLE(10_5, 2_0); ObjC Sourcecode Example NSInteger myInteger = 20; //******************** Initializing NSNumber Object ************************* //** NSNumbers need to be released, if you`re not working with ARC! ** NSNumber *myIntegerNumber = [[NSNumber alloc]initWithInteger:myInteger]; NSLog(@"myIntegerNumber: %@", myIntegerNumber); 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 2024-02-16T01:12:02+02:00 https://code-reference.com/java/io/printstream/print?rev=1708042322&do=diff Outputs the string parameter without a line return print(parameter): void parameters are: boolean, char, char[], double, float, int, long, Object, String return value: void Language Example System.out.print("Hello"); System.out.print("I am a programmer"); text/html 2024-02-16T01:05:46+02:00 https://code-reference.com/c/stdarg.h/va_arg?rev=1708041946&do=diff type va_arg(va_list ap, type); description The va_arg() macro expands to an expression that has the type and value of the next argument in the call. The argument ap is the va_list ap initialized by va_start(). Each call to va_arg() modifies ap so that the next call returns the next argument. The argument type is a type name specified so that the type of a pointer to an object that has the specified type can be obtained simply by adding a * to type… text/html 2013-04-15T09:30:44+02:00 https://code-reference.com/java/io/printstream/format?rev=1366011044&do=diff format args to the format string format and write the result to the stream format(String format, Object... args); return value: stream sign Description 0 if the place is not busy they prints a 0 # if the place is not busy they prints nothing . decimal separator Separates and decimal places. , Groups the numbers (a group is as large as the distance from ”,” to ”.”). ; Delimiter. To the left of the pattern is positive, the right for negative numbers. - The default character for the negative… text/html 2018-01-12T07:29:08+02:00 https://code-reference.com/java?rev=1515738548&do=diff Java is an object oriented programming language and a registered trademark of the company Sun Microsystems (since 2010 Oracle) we need some support to add the missing librarys Name Description io Using inputs and outputs through data streams, file systems, ect. lang Java classes that are fundamental to the design of the language text/html 2014-02-19T21:01:21+02:00 https://code-reference.com/cpp?rev=1392840081&do=diff C++ is an Object Oriented programming language standardized by the ISO. It was developed in 1979 by Bjarne Stroustrup at AT&T Bell Labs as a “child” of the C programming language. A C++ source file will have the extension ”.cpp” and the header will have the obvious ”.h”. The latest version of C++ is C++11. Confused? See the links below. text/html 2024-02-16T01:04:42+02:00 https://code-reference.com/c/time.h/clock_t?rev=1708041882&do=diff typedef a-type clock_t; The type is the arithmetic type a-type of an object that you declare to hold the value returned by clock, representing elapsed processor time. text/html 2024-02-16T01:05:43+02:00 https://code-reference.com/c/stdio.h/fread?rev=1708041943&do=diff fread size_t fread(void *ptr, size_t size, size_t nmemb, FILE *stream); fread reads num number of objects from a stream (where each object is size bytes) and places them into the array pointed to by buffer. The return value of the function is the number of read data text/html 2024-02-16T01:04:32+02:00 https://code-reference.com/cpp/control_structures/switch?rev=1708041872&do=diff Switch ---------- Switch is a loop that is used in c++ to find the many scenarios of an event or object. For example, let's test to see the many scenarios of if someone chooses an item from a menu. #include <iostream> int main() { int choice; cout << "Choose an option:" << endl; cout << "1. OJ" << endl; cout << "2. Milk"<<endl; cout << "3. Water " << endl; cout << "4. Soda" << endl; cout << "5. Gatorade" << endl; cin >> choice; // notice the {}, these are… text/html 2024-02-16T01:12:02+02:00 https://code-reference.com/java/io/printstream/println?rev=1708042322&do=diff This line outputs the string parameter to the console with a line return. println(parameter): void parameters are: boolean, char, char[], double, float, int, long, Object, String Language Example System.out.println("Hello"); System.out.println("I am a programmer"); System.out.println(" 3 + 4 = " + 3+4 ); // appends 3 and 4 to the string System.out.println(" 3 + 4 = " + (3+4) ); // calculate 3+4 before the string "7" added text/html 2024-02-16T01:12:26+02:00 https://code-reference.com/objective-c/foundation.framework/nsnumber.h/initwithint?rev=1708042346&do=diff initWithInt - (id)initWithInt:(int)value; ObjC Sourcecode Example int myInt = 30; //******************** Initializing NSNumber Object ************************* //** NSNumbers need to be released, if you`re not working with ARC! ** NSNumber *myIntNumber = [[NSNumber alloc]initWithInt:myInt]; NSLog(@"myIntNumber: %@", myIntNumber); text/html 2018-01-12T07:29:07+02:00 https://code-reference.com/objective-c?rev=1515738547&do=diff Objective-C, also called short-ObjC, extends the C programming language by means of object-oriented programming. Please: only learn if you are gonna plan to make apple apps we need some support to add the missing libraries text/html 2024-02-16T01:12:26+02:00 https://code-reference.com/objective-c/foundation.framework/nsnumber.h/initwithfloat?rev=1708042346&do=diff initWithFloat - (id)initWithFloat:(float)value; ObjC Sourcecode Example float myFloat = 1.123456f; //******************** Initializing NSNumber Object ************************* //** NSNumbers need to be released, if you`re not working with ARC! ** NSNumber *myFloatNumber = [[NSNumber alloc]initWithFloat:myFloat]; NSLog(@"myFloatNumber:%@", myFloatNumber); text/html 2024-02-16T01:12:25+02:00 https://code-reference.com/objective-c/foundation.framework/nsnumber.h/doublevalue?rev=1708042345&do=diff doubleValue - (double)doubleValue; Returns the receiver’s value. Return Value - The receiver’s value as datatyp, converting it as necessary. ObjC Sourcecode Example //** Sample Datatype ** double myDouble = 3.14; //** Initializing NSNumber Object ** NSNumber *myDoubleNumber = [[NSNumber alloc]initWithDouble:myDouble]; //** To access your value use doubleValue ** if ([myDoubleNumber doubleValue] == 3.14) { NSLog(@"myDoubleNumber:… text/html 2024-02-16T01:12:25+02:00 https://code-reference.com/objective-c/foundation.framework/nsnumber.h/charvalue?rev=1708042345&do=diff charValue - (char)charValue; Returns the receiver’s value. Return Value - The receiver’s value as datatyp, converting it as necessary. ObjC Sourcecode Example //** Sample Datatype ** char myChar = 'w'; //** Initializing NSNumber Object ** NSNumber *myCharNumber = [[NSNumber alloc]initWithChar:myChar]; //** To access your value use charValue ** if ([myCharNumber charValue] == 'w') { NSLog(@"myCharNumber: %@", myCharNumber); … text/html 2024-02-16T01:05:49+02:00 https://code-reference.com/c/graphics.h/registerbgifont?rev=1708041949&do=diff registerbgifont Syntax of registerbgifont #include <graphics.h> int registerbgifont(void (*font)(void)); Description of registerbgifont Calling registerbgifont informs the graphics system that the font pointed to by font was included at link time. This routine checks the linked-in code for the specified font; if the code is valid, it registers the code in internal tables. By using the name of a linked-in font in a call to registerbgifont, you also tell the compiler (and linker) to link … text/html 2024-02-16T01:05:38+02:00 https://code-reference.com/c/errno.h/errno?rev=1708041938&do=diff #define errno (int editable lvalue) Description The macro names an object that is assigned a value greater than zero on given library errors. Example no example yet you can login and write a example for this text/html 2024-02-16T01:12:26+02:00 https://code-reference.com/objective-c/foundation.framework/nsnumber.h/intvalue?rev=1708042346&do=diff intValue - (int)intValue; Returns the receiver’s value. Return Value - The receiver’s value as datatyp, converting it as necessary. ObjC Sourcecode Example //** Sample Datatype ** int myInt = 30; //** Initializing NSNumber Object ** NSNumber *myIntNumber = [[NSNumber alloc]initWithInt:myInt]; //** To access your value use intValue ** if ([myIntNumber intValue] == 30) { NSLog(@"myIntNumber: %@", myIntNumber); NSLog(@"myIn… text/html 2024-02-16T01:05:50+02:00 https://code-reference.com/c/graphics.h/settextstyle?rev=1708041950&do=diff settextstyle Syntax of settextstyle #include <graphics.h> void settextstyle(int font, int direction, int charsize); Description of settextstyle settextstyle sets the text font, the direction in which text is displayed, and the size of the characters. A call to settextstyle affects all text output by outtext and outtextxy. The parameters font, direction, and charsize passed to settextstyle are described in the following: font: One 8x8 bit-mapped font and several "stroked" fonts are avail… 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 2024-02-16T01:04:43+02:00 https://code-reference.com/c/time.h/time_t?rev=1708041883&do=diff typedef a-type time_t; The type is the arithmetic type a-type of an object that you declare to hold the value returned by time. The value represents calendar time. text/html 2024-02-16T01:12:26+02:00 https://code-reference.com/objective-c/foundation.framework/nsnumber.h/initwithunsignedint?rev=1708042346&do=diff initWithUnsignedInt - (id)initWithUnsignedInt:(unsigned int)value; ObjC Sourcecode Example unsigned int myUnsignedInt = 1; //******************** Initializing NSNumber Object ************************* //** NSNumbers need to be released, if you`re not working with ARC! ** NSNumber *myUnsignedIntNumber = [[NSNumber alloc]initWithUnsignedInt:myUnsignedInt]; NSLog(@"myUnsignedIntNumber: %@", myUnsignedIntNumber); text/html 2014-05-30T21:47:15+02:00 https://code-reference.com/objective-c/foundation.framework/nsarray.h/init?rev=1401479235&do=diff init - (id)init Returns an empty array. Return Value - NSArray ObjC Sourcecode Example // ** Init array ** NSArray *myArray = [[NSArray alloc]init]; // ** Output array ** NSLog(@"myArray: %@", myArray); If you look at the output for this example code, you`ll see that an empty array was initialized! Because this array is immutable it would make more sense to use a init-method that creates it with some objects or at least one object. For example initWithObje… text/html 2024-02-16T01:12:25+02:00 https://code-reference.com/objective-c/foundation.framework/nsnumber.h/initwithdouble?rev=1708042345&do=diff - (id)initWithDouble:(double)value; ObjC Sourcecode Example double myDouble = 3.14; //******************** Initializing NSNumber Object ************************* //** NSNumbers need to be released, if you`re not working with ARC! ** NSNumber *myDoubleNumber = [[NSNumber alloc]initWithDouble:myDouble]; NSLog(@"myDoubleNumber: %@", myDoubleNumber); text/html 2024-02-16T01:06:21+02:00 https://code-reference.com/objective-c/foundation.framework/nsvalue.h?rev=1708041981&do=diff NSValue An NSValue object is a simple container for a single C or Objective-C data item. valueWithCGPoint valueWithCGRect valueWithCGSize text/html 2024-02-16T01:06:20+02:00 https://code-reference.com/objective-c/foundation.framework/nsnumber.h?rev=1708041980&do=diff NSNumber NSNumber is a subclass of NSValue that offers a value as any C scalar (numeric) type. Method Description initWith initWithBool initWithInt initWithInteger initWithDouble initWithFloat numberWith boolValue intValue doubleValue floatValue charValue descriptionWithLocale isEqualToNumber compares object with Number initWithUnsignedInt text/html 2024-02-16T01:05:49+02:00 https://code-reference.com/c/graphics.h/registerbgidriver?rev=1708041949&do=diff registerbgidriver Syntax of registerbgidriver #include <graphics.h> int registerbgidriver(void (*driver)(void)); Description of registerbgidriver registerbgidriver enables a user to load a driver file and "register" the driver. Once its memory location has been passed to registerbgidriver, initgraph uses the registered driver. A user-registered driver can be loaded from disk onto the heap, or converted to an .OBJ file (using BGIOBJ.EXE) and linked into the .EXE. Calling registerbgidrive… text/html 2014-05-30T21:56:10+02:00 https://code-reference.com/objective-c/foundation.framework/nsmutablearray.h/addobject?rev=1401479770&do=diff addObject The addObject: method is used when dealing with NSMutableArray. It is used to add items onto the stack of the array. A simpler example of this is to imagine a stack of paper. When calling the addObject method, it is essentially the same as a person adding a piece of paper onto the stack of paper. text/html 2024-02-16T01:12:22+02:00 https://code-reference.com/objective-c/foundation.framework/nsfilemanager.h/defaultmanager?rev=1708042342&do=diff defaultManager + (NSFileManager *)defaultManager; Return Value - Returns the shared file manager object for the process. ObjC Sourcecode Example // ** Default FileManager ** NSFileManager *defaultManager = [NSFileManager defaultManager]; // ** Output Default FileManager ** NSLog(@"DefaultManager: %@", defaultManager); text/html 2024-02-16T01:12:25+02:00 https://code-reference.com/objective-c/foundation.framework/nsnumber.h/boolvalue?rev=1708042345&do=diff boolValue - (BOOL)boolValue; Returns the receiver’s value. Return Value - The receiver’s value as datatyp, converting it as necessary. ObjC Sourcecode Example //** Sample Datatype ** BOOL myBool = NO; //** Initializing NSNumber Object ** NSNumber *myBoolNumber = [[NSNumber alloc]initWithBool:myBool]; //** To access your value use boolValue ** if ([myBoolNumber boolValue] == NO) { NSLog(@"myBoolNumber: %@", myBoolNumber); …