C++ :: Find Non Printable ASCII Value - Using Library File Unittest
Jan 3, 2014
My program is find non printable ASCII value(1 to 32) and calculate count from a text like "hi<tab>this<space>my text.i'm using library file here.(visual studio 2012)
removeascii.h(program name)
#pragma once
#include<stdint.h>
#include <string>
using std::string;
namespace ascii
[Code] ....
My ERROR is:
1>c:program files (x86)microsoft visual studio 11.0vcunittestincludecppunittestassert.h(65): error C2338: Test writer must define specialization of ToString<const Q& q> for your class class std::basic_string<wchar_t,struct std::char_traits<wchar_t>,class std::allocator<wchar_t> >
[Code] ....
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Feb 12, 2014
I'm writing a program that reads and counts all the printable characters (ASCII 32-126)found in a text file.
For example if the text file read: Why so serious?
The output to the screen would display(in order of ascii value however):
Character-----Total
W--------------1
h--------------1
y--------------1
s--------------3
o--------------2
etc...
However, I don't think it's reading any of the characters.
#include <iostream>
#include <iomanip>
#include <fstream>
#include <cmath>
#include <string>
using namespace std;
int main() {
int i, count[127];
[Code] .....
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Aug 25, 2013
I know how to find find ASCII value of given character, but I am not getting how to find ASCII value of given string. For example I want to find ASCII value of string "HELLO",so how to do that.
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Nov 30, 2012
I want to find the address of printf() in c.
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Apr 10, 2014
Why TAB with ASCII value 9 is non printable character and SPACE with ASCII value 32 is printable?I can open any editor and press any of them and I see it on screen(If I press tab cursor is moved by tab, and space if I press space)....
Then why one of them is printable and other non printable?
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Mar 10, 2013
We have to make a code to detect the frequency of printable characters. But when I run the code, sometimes it can't detect the Uppercase Letters. But it can sometimes. It's a bit buggy, and it really can't get the frequency of the space character.
Does textcolor affect the outcome?
Code:
#include<stdio.h>#include<conio.h>
int main ()
{
clrscr();
char name[40],sentence[1000],ch;
int c=0,count[95]={0};
textcolor(LIGHTCYAN);
[Code] ....
I also noticed that it stops detecting the frequency when there is a space between character/s.
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Aug 30, 2014
I have a text file which contains ASCII of A,B and C like below,
65
66
67
Now I need to create a file which containing letters related with above ASCII like below, ABC
This is my code.
#include<iostream>
#include<fstream>
#include<string>
[Code]....
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Sep 1, 2014
New file_sorter.c:
#include <stdio.h>
#include <stdlib.h>
#include "sort.h"
#include <string.h>
[Code].....
My issue is now a segmentation fault in my sorting algorithm. In my assignment I was suppose to implement quick and insertion sort for the file, and organised strictly by ASCII values. We were allowed to look up generic algorithms for the sorts, but we have to convert them to comparing char arrays.
I haven't started trying to configure quick sort yet, but I'll supply the generic algorithm as well. keep in mind that the first line in the file contains the number of lines in the file. I'll try not to disappear this time!
sort.c :
#include <stdio.h>
#include <stddef.h>
#include <stdlib.h>
[Code]....
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Sep 23, 2013
This seems like a fairly straight forward assignment. Load up a file that contains a series of int values stored in ASCII and print out the ASCII characters to the console.
The problem I am having is that I am getting the numerical value of bytes ("40" for 10 numerical values, "200" for 50 values). The numbers are generated randomly by another file, but I can control how many numbers are generated. For example, if I type in:
shell% cat tempfile
the output is as follows:
/8?qE?. Y4?(T???a???%@
but when I try to run it with my program:
shell% ./intcat tempfile
the output displayed is:
40
Code:
#include <stdio.h>
#include <assert.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <stdlib.h>
int main(int argc, char *argv[]){
//check if arguments match
[Code] .....
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Jul 25, 2014
I need to write a program that will read a .bmp image file of an 8 by 8 pixels resolution and write the data about every pixel in a text file. The problem is, that I can't find a library to use. I've tried using CImg but even the basic test examples fail with "undefined reference to setdibbitstodevice...." or something like that. I know CImg is a powerful library and it can even manipulate images, but I need something just to read it.
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Jun 20, 2013
I have a libcx3d.a which contains my VrmlParser class and other classes which are used by VrmlParser. I have a main.cpp which does this :
VrmlParser vp = new VrmlParser();
double **VOB = vp.getVOB();
When I compile using g++ main.cpp -o main -L. -lcx3d, I get the following errors :
'VrmlParser' was not declared in this scope.
expected ';' before vp.
'vp' was not declared in this scope.
There is a header file called "VrmlParser.h" in the static library. Should I include this header file in main.cpp ? If so, will include "VrmlParser.h" work ? I have the .a and .cpp in the same directory. I can't find the header file for the static library.
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Jul 25, 2014
When I write a code in c++ includes thread library it says "thread:no such file or directory". How can ı use thread library .
I think I should download boost or c++11 but I couldn't do it .
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Mar 11, 2015
How can I parse an .xml file with just C++ Standard Library?
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Jul 25, 2013
How to forbid file replacing in fstream library for C++?
#include <iostream>
#include <fstream>
using namespace std;
int main() {
ofstream myfile;
[Code] ....
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Sep 10, 2013
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Jan 3, 2015
I am working on binary files in turbo c++ 3.5 and i want to create a library program. I want to add information about books in a binary file and do functions such as: Search and replace, delete a record, and etc.
I do this functions but i have 2 problems: 1. For example when i add 6 records about books to file, BooksReport function cant show all records and for example just show 4 or 5 records and when i search records, from 5 records, for example i just found 3 or 2 records. 2.When i search and replace a word on file, all records thats before this edited record, will be deleted.
#include <conio.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
void add();
void search();
struct {
char name[20];
[Code]...
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Jan 17, 2014
I've been reading about libraries; How to make them, how to use them, the different types of libraries, etc..
When using a shared library, does the program require that library to be installed on the computer after the program has been compiled into an .exe?
Ie.. if somebody downloaded a "Helloworld.exe" that I had compiled on my computer using a shared library (that wasn't part of a standard operating system), would they also need that shared library on their computer for the program to run without errors?
and for Static Libraries, when I compile a program using a static library, does it include in the final binary only the functions of the library that are actually used, or does the compiler add in the entire library?
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Nov 26, 2013
Program background: Ticket Sales Details You will sell tickets in advance and at the door. Prices for buying in advance and at the door will be given. Also, the total number of tickets sold in advance will be given. Each guest will have a unique number. If there are n tickets sold in advance, then these guests will be numbered 0 through n-1. As the event starts, requests to buy tickets at the door may be made and these guests will be numbered sequentially, starting at the lowest unassigned number. The maximum number of guests will be 1000. The first line of the file contains the following three values, separated by spaces: Cost of the presales tickets (in dollars), Cost of the tickets at the door (in dollars), and the number of presale tickets. The first two values will be positive real numbers to two decimal places and the last will be a positive integer.
The second line of the file will contain one positive integer representing the number of auction items followed by a positive real value to two decimal places (at most) representing the minimum bid increment, in dollars. The first value is guaranteed to be 1000 or less and the second will be in between 1 and 50, inclusive.
The third line of the file will contain all the prices of the auction items, in dollars, separated by spaces, in order. Thus, the first price is the price of item 0, the next price is the price of item 1, and so on. These values will be real numbers represented to up to 2 decimal places.
The fourth line of the file will contain the three following positive integers pertaining to the raffle: the number of raffle tickets available, the cost of a raffle ticket in dollars, and the number of raffle prizes. (It's strange to have raffle tickets that don't cost a whole number of dollars.)
The fifth line of the file will contain each of the values of the raffle items, in dollars, separated by spaces, in order. Thus, the first price is the price if item 0, the next price is the price of item 1, and so on. These values will be real numbers with upto 2 decimal places.
The sixth line of the file will contain ten positive integers representing the number of each of the drinks 0 through 9, in order, that are in stock.
The seventh line of the file will contain ten positive real numbers with upto 2 decimal places representing the price of each of the drinks 0 through 9, in order.
The eighth line of the file will contain a single positive integer, numEvents, representing the number of events that occur at the charity ball. These events are split into two groups: actions by guests at the ball and awards given (raffle, auction, person, totalrevenue). All of the actions precede all of the awards. You will produce exactly one line of output for each event described. Here are the formats of each event that could occur:
If a patron buys a ticket at the door, a command will be on a line by itself:
BUY TICKET k
where k is a positive integer indicating the number of tickets bought at the door. These guests will be numbered as previously mentioned. You are guaranteed that the total number of tickets bought, including presales, will not exceed 1000. This is what I have so far and I cannot figure out why it wont calculate the total revenue. I am not completely sure if it is even accessing the if statement in main.
Code:
#include <stdio.h> #include <stdlib.h>
#include <string.h>
#define N 1000
[Code].....
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May 3, 2013
I wrote the below code to find the line with "abc" as my parameter to strTosearch. I expected to the line 1st line but, this function always match the 2nd line. What am I missing here?
I wanted "found" to be "abc def hgi SSS".
Code in main()
String found=GetstringColSamLine("mytext.txt", "abc");
File name - mytext.txt
abc def hgi SSS
abc ppp yyy
string GetstringColSamLine(string routerFileName, string strTosearch)
[Code] ....
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Aug 23, 2013
I am trying to use ini file for configuring my app.
But GetPrivateProfileString is not working.
I am using Windows 7. I tried "Wow64DisableWow64FsRedirection" also.
Not only this-ATLPath::FileExists is also not working.It gives an error code 0x80070002 which means:
"system could not find the file"
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Feb 26, 2014
How do I print this without generating errors?
Code:
printf(" ||====================================================================||
");
printf(" ||//$///////////////////////////////$||
");
printf(" ||(100)==================| RESERVE BANK OF INDIA|================(100)||
");
printf(" ||$// ~ '------========--------' $//||
[code].....
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May 7, 2013
I want to convert Hex:390041 to ascii "90A",
39: 9
00: 0 -->Null
41: A
i am getting only "9" in the bytearray,i know 0 is terminating the array
unsigned int bytes[3];
int j=0,counter=0;
char c[2];
[Code]....
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Mar 31, 2015
I have some ascii characters in a char variable.ex - char buf[100]="ab*(z&";
So each of the char in that char array will have some hex value.ex- *'s hex value is '2a'.
And I have a long long int variable in which there is a 64 bit hex value.
ex- long long int k=0x0000888888888888;
Now i want to subtract the char buff's hex value in k. How to accomplish it.
That is 0x0000888888888888
- 0x000061622a287a26
= 0x000027265e600e62 (final result in a buffer or a long variable is okay)
Later i want to reverse the result as 26e006e56272.It should be stored in a variable such that i should be able to access each byte from it(ex- '72'(last 2 hex digits))
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Mar 16, 2013
I just got assigned a project in my C programming class. The objective is to find the min and max number out of a .txt file full of numbers on separate lines called "data.txt". I am pretty much stuck at this point. I don't know how to actually scan the file and print the min and max. Also, the list of numbers in the data.txt file contains hundred on hundreds of numbers. So I couldn't specify the exact amount of numbers listed in the file. I must also find the count number, sum, and the average of the given data, So far I have:
Code:
#include<stdio.h>
int main()
{
int counter=0;
int maximum=0, minimum=1;
int num_data_points, avg;
double max, min;
FILE *sensor;
sensor = fopen("data.txt", "r");
[Code]...
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Jun 9, 2014
when I try to run the program (new to VC++, I click the green arrow next to "Debug" in the toolbar, right) and I get a message box - code builds without errors - but the debugger says: "Unable to start program 'c:users/sal/documents/visual studio 2010/Projects/SFML App/Debug/SFML App.exe Cannot find file specified"...well, I go to the directory it says, and nothing is even in the Debug file.
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Mar 4, 2013
how can I find ASCII value (0..255) of a character char in a string?
I have an array of char:
Code: char myarray[50]; and I need to have ASCII value of character eg myarray[10]. How can I do that?
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