C++ :: Add Some Warning Message When Imputing Date Is Older Than Preset Value

Sep 5, 2014

recently I wanted to add some warning message when imputing date (DD.MM.YY) is older than some pre-set value.

day DD
month MM
year YY

pre-set date 21.7.2014

The condition I have is

if((YY < 2014) ||
(YY == 2014 && MM < 7) ||
(YY == 2014 && MM == 7 && DD < 21){
//warning message
}

Now I was just curious if there is easier way to implement this condition. To use less code. When I extend the condition to hour:minute:second the code would only grow fast. Also I know I should not use "magic numbers" but it is only for the demonstration.

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Visual C++ :: How To Safely Use EnumProcesses Older And New OS

Jan 9, 2014

MSDN says this about EnumProcess. If PSAPI_VERSION is 2 or greater, this function is defined as K32EnumProcesses in Psapi.h and exported in Kernel32.lib and Kernel32.dll. If PSAPI_VERSION is 1, this function is defined as EnumProcesses in Psapi.h and exported in Psapi.lib and Psapi.dll as a wrapper that calls K32EnumProcesses.

Programs that must run on earlier versions of Windows as well as Windows 7 and later versions should always call this function as EnumProcesses. To ensure correct resolution of symbols, add Psapi.lib to the TARGETLIBS macro and compile the program with DPSAPI_VERSION=1. To use run-time dynamic linking, load Psapi.dll.

code to safely use this method that will safely run on older and newer OS?

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C/C++ :: Given Person Birth-date Or Any Other Date Will Display Day Of Week

Oct 11, 2012

i'm making a program that, given a person's birthdate or any other date, will display the day of the week of the person was born.

There is this part where it says "use a switch statement to make this calculation, If desired month is 12, add the number of days for November, if desired month is 11 add the number of days for october....

So it's suppose to start with "case 12 :...

I can't figure out what to write for the statement....

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C++ :: Two Date Structures Sharing Same Date

Mar 28, 2014

I have two date/time structures which I'm populating, but when I populate the second one it sets the same values in the first. This is what I've got so far

tm *FirstDate = gmtime(&now);
tm *SecondDate = gmtime(&now);

cout <<"Enter your first date in the format dd/mm/yyyy" << endl <<">";
getline (cin,tempstring);

[Code] .....

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C/C++ :: Splint Warning In GCC Compiler?

Jun 7, 2012

/*@out@*//*@null@*/char *string_read ( ) {
int ch , pos = 0;
char *string;
if ((string = (char *)malloc (STRING_SIZE*sizeof(char))) == NULL)

[Code] ......

Fresh storage string not released before return A memory leak has been detected. Storage allocated locally is not released before the last reference to it is lost. (Use -mustfreefresh to inhibit warning) string_read.c:6:7: Fresh storage string created

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C :: Warning When Handling Pointer To Char

Apr 4, 2014

Here is my code. I am combining two words and sorting the merge word in alphbetical order. The compiler giving me warning error

Program:12:4: warning: format '%s' expects argument of type 'char *', but argument 2 has type 'char (*)[100]' [-Wformat] Program:14:4: warning: format '%s' expects argument of type 'char *', but argument 2 has type 'char (*)[100]' [-Wformat]

Code:
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

[Code].....

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C :: Warning - Unknown Escape Sequence

Feb 2, 2013

I'm doing some file input/output work here in C and received this warning during compilation (GCC). My research indicates that this error is in response to white space or a character cancellation function or something like that. I'm not 100% sure exactly what it means. My code works fine, but the following warning does appear.

Code:
warning: unknown escape sequence: '40'

Here's my code (excluding a bunch of comments at the bottom of the file).

Code:
#include <stdio.h>
int main(void){
FILE *file;
file = fopen("Running Practice.c", "a");
fprintf(file, "Testing...
");
fclose(file);
}

I believe the error I received has to do with either the ' ' I used when appending text to my file, or something to do with there being a space in the file name itself.

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C :: Compiling Warning - Output Is Garbage

Mar 23, 2013

I'm working on my program that takes input of the employees' first and last name, their payrate, their deferred from check and also the amount of hours they have worked which then the gross is calculated and also the taxes are calculated by an external function. In the program design it is necessary to put arrays which I have done, but when i compile I receive warning messages

Code: warning: format '%s' expects argument of type 'char*', but argument 3 has type 'double'

Warning: format '%f' expects a matching 'double' argument [-Wformat] which I believe is causing my program to just give me garbage when I run it. What do those warnings mean?

Code:
/* Name: Arturo
Date: 03/22/13
Purpose: To learn
*/
extern void calculate taxes(float gross,float deferred, float *ft, float *st, float ........i);
void ovtHrs(float *hrs_wrk, float *ovt_hrs, float hrs, float *gross, float payrate);
void netPay(float gross, float deferred, float ft, float st, float ssi, float *net);

[Code] .....

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C++ :: Temp Or Local Variable Warning

Feb 28, 2014

Here is my overloaded operator :

const double & Waz::operator()(int i,int j) const {
return ((WazImpl const)(*p))(i,j);
}

Where in Waz class I have : WazImpl* p; and in the class WazImpl I have an operator () const

The warning is : Warning C4172 returning address of local variable or temporary

As far as I understand I'm returning a temp variable which is destroyed somewhere else what can I do to fix it?

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C/C++ :: Difference Between Compiler Error And Warning?

Jun 8, 2013

in c program what is the difference between a compiler error and a warning

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C :: How To Remove Multi Character Constant Warning

Feb 20, 2013

Here's the line of code with the warning

Code: if((addressbook[3][num][4]=='-')&&(strlen(addressbook[3][num])=='10'))

Or what might be the possible causes of such a warning?

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C/C++ :: Warning - Cast From Pointer To Integer Of Different Size

Jan 23, 2014

int hash = 0;
char *strings[100];
if((int)strings[i] != 0)
if((int) strings[hash] != 0)
while((int) strings[hash] != 0)
if((int)strings[hash] != 0)
if((int)strings[hash] != 0)

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C++ :: Fraction Class - Warning Converting To Int From Double

Jul 28, 2013

I am trying to write a Fraction class and getting the following warning when compiling my code :

Fraction.cpp: In constructor 'Fraction::Fraction(double)':
Fraction.cpp:8: warning :converting to 'int' from 'double'

My Fraction.cpp class looks like :

#include "Fraction.h"
Fraction::Fraction(int n, int d):num(n),den(d) {
cout << This is double param constructor <<endl;
}
Fraction::Fraction(double d):num(d),den(0)

[Code] ....

How can I get rid of the warning ?

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C/C++ :: Warning / Assignment From Incompatible Pointer Type

Apr 17, 2014

I'm working on a program and everything works except for the follow function:

void swapHex(int x, int byte1, int byte2) {
unsigned char *b1, *b2, tmpc;
printf("%d in hex is %x
", x, x);
printf("swapping byte %d with byte %d
", byte1, byte2);

[Code] ....

I get the following errors when compiling:

In function "swapHex":
warning: assignment from incompatible pointer type
warning: assignment from incompatible pointer type

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C/C++ :: Warning / Control Reaches End Of Non-void Function

Apr 25, 2013

I keep getting 'warning: control reaches end of non-void function' with this code:

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {  
 if (section ==0)  {
  return [comparativeList count];
 }  
 if (section==1)  {
  return [generalList count];
 }  
 if (section==2) {  
  return [contactList count];

How can I get rid of this warning?

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C :: Implementing Recursive Merge Sort - Forbid Warning

Jul 8, 2013

I am trying to implement a recursive merge sort, and I've just barely begun. I am getting some warnings:

merge_sort.c:15: warning: ISO C90 forbids variable-size array 'left'
merge_sort.c:15: warning: ISO C90 forbids mixed declarations and code

Code:
#include <stdio.h>
#include <string.h>

static void
merge_sort(int *a, int n)

[Code] ....

I am using gcc 4.2.1 and I am compiling with -Wall and -pedantic.

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C :: Create Multiple Choice Quiz Works But With A Warning

Apr 10, 2013

I am trying to create a multiple choice quiz so I can learn the menu at my new job, while doing a side project but I am having a warning when outputting. Speaking of side projects, is this a kind of side project people are looking for on a resume?

Code:

#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <stdlib.h>
#include <string.h>
}

[code]....

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C :: Warning - Return Makes Pointer From Integer Without A Cast

Sep 21, 2013

I have a function that I want to exit gracefully when an "error" occurs in an input file. My function declaration is:

Code: BSTnode *buildTree(FILE *fp)

The few lines that are causing the problems are:

Code: if(regcomp(®ex, to_find, REG_EXTENDED | REG_NEWLINE) != 0) {
fprintf(stderr, "Failed to compile regex '%s'
", to_find);
return EXIT_FAILURE;
}

I know that if I just use "return" by itself the warning goes away but fails to exit when the error occurs. I also believe this may not be the correct use of stderr. But I need the program to exit when an error has occurred.

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C :: Syntax Error At The End Of Input And Warning (multi-character Constant)

Feb 18, 2013

Here's my code. The error's at the last line.

Code:
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#define max_con 30

void add_contact();
void edit_contact();
void del_contact();
void list_contact();

[Code] .....

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C :: Passing Argument Of Incompatible Pointer Type - Warning In Function Call In Main

Jun 4, 2013

Code:
#include <stdio.h>
#include <stdlib.h>
int size_b_row1;
int size_b_col1;

[Code].....

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C++ :: Passing Arguments From Incompatible Pointer Type - Warning In Function Call Transpose In Main Routine

Jun 4, 2013

#include <stdio.h>
#include <stdlib.h>
int size_b_row1;
int size_b_col1;
int main(void) {
double C[4][4] = {{1,3,5,2},{7,6,2,2},{1,2,7,3},{2,3,5,3}};
double TC[4][4];
transpose(C, TC);

[Code] ......

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C++ :: Error Message While Debugging

Mar 17, 2013

I'm getting an error message that I can't seem to fix. The error clearly states that during the link aspect of the debugging and build there is an error that says that the stdio.h file is either missing, invalid or corrupt. When I try to program using any of the other headers I'm getting the same error. The files are there I can see them in the include folder, so I'm asking what can I do to fix all these headers and beware I am a beginner at programming and using any kind of compiler.

This is the error I receive.
1>------ Build started: Project: hello, Configuration: Debug Win32 ------ 1>LINK : fatal error LNK1123: failure during conversion to COFF: file invalid or corrupt ========== Build: 0 succeeded, 1 failed, 0 up-to-date, 0 skipped =========

This is the compiler I am required to use for an online course and all instruction is given for the Microsoft visual 2010 express edition. Also the only file I think that's being referenced is the #include <stdio.h>.

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C :: Program Terminates Without Message

Jan 15, 2014

I'm trying to parallelize bottom's up merge sort algorithm. Firstly, i must have working procedural code.

I rember I had my code working last week but I made some changes ( probably to arguments passed to sort function ), i run my program several times without rebuilding it so i though it's still working.

Now i came back to my code and my program terminates without any message which confuses me. I debbuged merge function and it seems to work well, at the end i have sorted array.

fprintf doesn't print any value to my stdout.

whole code : [C] mergesort - Pastebin.com

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C/C++ :: Put Special Chars In A Message

Apr 10, 2014

I'm trying to put in my messages, in my program, some special chars but when i try something like the following code, i get the output below.

#include <stdio.h>
int main( ) {
printf("Trying this char: %c", 160);
printf("Trying this char: %c", 163);
return 0;
}

Output:
Trying this char: �
Trying this char: �

How can i put those special chars? I would like to use: é, ú, ç, à, Ú, À, ...

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C++ :: Add Error Message If Cin Is Not A Number

Dec 13, 2013

#include <iostream>
#include <stdlib.h> //used for random numbers
#include <time.h>
#include <string>
using namespace std;
int main() {
int bridgeWidth ; //set bridge width to any number

[code].....

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Visual C++ :: How To Get Rid Of Not Responding Message

Jul 30, 2014

I have a simple dialog based app that performs some time consuming file manipulations. The activating method contains the customary

Code:
CWaitCursor wait;

The hour glass initially appears, than after a few seconds, the dialog title bar indicates 'not responding'.

This is misleading to users as it suggests the application has ceased to function when, in fact, it's working just fine. I would like very much to eliminate this 'not responding' message but havn't a clue how to do it. Have any of you dealt with this problem, if so, how?

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