C++ :: Are Variables Being Defined As Parameters Separated By Comma
Jan 18, 2013
TinyGPS::TinyGPS()
: _time(GPS_INVALID_TIME)
, _date(GPS_INVALID_DATE)
, _latitude(GPS_INVALID_ANGLE)
[code]....
I am wondering about the constructor. I see there appears to be nothing inside of TinyGPS::TinyGPS() as far as parameters go and that that declaration is followed by a ":". First I'm wondering as to the meaning of the colon. As well with the variables defined after the ":" I see some "(0)" and I am wondering as well to the exact meaning of the "(0)". Are those variables being defined as parameters separated by ","?
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Jul 30, 2014
I just wrote a code that reads in a text file called "policies.txt" which looks like this:
Pol1 M N 20 100000 1 .04 99
Pol2 F S 30 100000 1 .05 99
Pol3 M S 72 750000 1 .03 99
Pol4 F N 45 1000000 1 .05 99
This works perfectly fine, but what if I want each element of the table to be separated by commas. For example:
Pol1,M,N,20,100000,1,.04,99
Pol2,F,S,30,100000,1,.05,99
Pol3,M,S,72,750000,1,.03,99
Pol4,F,N,45,1000000,1,.05,99
or better yet, what if I want it to not matter whether the columns are separated by commas or spaces? is there any way to do this? If there is no way to read in both comma-separated and space-separated elements simultaneously then I would prefer just comma, rather than the space separated which my code is able to read now. What modifications would I have to make to my code to make this work? This is my code to reference.
double ratesmn[86] = {
#include "MaleNonSmoker.txt"
- 1
};
double ratesms[86] = {
#include "MaleSmoker.txt"
[Code] ....
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Jul 7, 2013
I'm trying to read names separated by a comma using array.
For example, the expected input would look like the following:
Juila,Francisco
Adams,Wong
I know you can use getline function and set the delimiter to comma. So like ....
getline(cin, lastName, ','); getline(cin, firstName);
But the program only read the last name and ignore the firstname.
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Dec 13, 2012
How to enter person's last name and first name separated by space and comma.
For example henry smith---
Output-->>smith,henry
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Nov 22, 2014
I'm trying to enter an 'x' and 'y' coordinate on only one line separated by a comma. But I keep getting a syntax error. Here are the lines of code I'm using. This has to be simple. What am I doing wrong with this code?
Code:
cout<< "Please enter the x and the y coordinates of the first point,"<<endl;
cout<< "use a comma to separate them. " <<endl<<endl;
cin>> "You entered: " >>x1>>",">> y1 >>"for the first point" >>endl;
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Apr 18, 2013
I am attempting to read in a file that has 4128 sets of 21 numbers separated by commas and write it into an array. I now know that in order to use fseek, I have to make my array a character array, but I need my function to read in decimals (ex: 0.172635). I'm reading in
0.102598,0.000000,0.000000,0.000000,0.000000,0.307 793,0.000000,0.410391,0.102598,0.000000,0.102598,0 .102598,0.000000,0.000000,0.102598,0.102598,0.8207 83,0.000000,0.000000,0.000000,0.000000
and keep getting numbers like 48 49 50.
Code:
void CSread(char filename[100], char array[22], char array2[22], unsigned int arraysize)
{
char genename[32];
double temp = 0;
FILE *CSfile;
CSfile = fopen(filename, "r");
");
[code].....
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Nov 9, 2013
I tried to read in a file that contain studentId(8 integer long) and GPA in the same line separated by a comma, but I couldn't. Example:
145453565, 4.0
34344443, 3.9
23454345, 3.4
12345678, 3.4
void studentRecord::loading(string filename) {
ifstream infile;
int studentId;
double GPA;
[Code] ....
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Oct 16, 2012
I have been trying to read a comma separated .txt file into an array and print it to console in C++. The txt file consists of two columns of double type data. For some reason the program runs, but gives blank output in the console. I want to know if I am doing something wrong. So far this is what I have:
#include <iostream>
#include <fstream>
#include <string>
using namespace std;
int main() {
int i=0;
double x[10];
double y[10];
string line;
[Code] .....
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Jan 24, 2015
In my program I created three separate return functions. Each function is labeled:
int boxes(int x, int y);
int leftOver(int x, int y);
double avgItemsShipped(int x, int y, int z);
Is it bad programming practice to use 'x' and 'y' in all of my functions? Should I use the this keyword inside the function? We use this often in my Java class and I know it exists in C++, but I haven't actually seen it used (or used it myself yet).
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Sep 8, 2014
I have struck with issue regarding process arguments
Part of my code below:
ProcessStartInfo info = new ProcessStartInfo();
info.FileName = MsiTran;
[b]info.Arguments = "-a """ + MSTpath + "" " + MSIpath"";[/b]
MSIpath and MSTpath are already defined string variables.
I get error: only assignment call increment decrement .....can be used as statement
How can setup my arguments to cal the pre-defined variables.
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Nov 15, 2013
I have this string d ="3 J JD, K" and i want to split the string to individual string. I have this code which eliminates the comma but doesn't split the string into individual string.
#include <iostream>
#include <string>
#include <sstream>
using namespace std;
int main() {
string str = "3 J JD,K";
stringstream ss(str);
[Code] ....
Output of the code is
3 J JD
k
but I want
3
J
JD
K
Also after I split the string is there any way to put the split string into individual string variables.
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Sep 3, 2013
I want to put my socket programming example of how it can support multiple ports. I want to make the process more requests from distributing particles to create non-blocking structure
ports support ports defined variable.
Code:
#include "stdio.h"
#include "stdlib.h"
#include "unistd.h"
#include "errno.h"
#include "string.h"
#include "sys/socket.h"
[Code] .....
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Feb 20, 2015
I have tried with some logic for removing comma operator in test.ini file but its not working how to remove comma and get output. For example:
Input
inside test.ini file the name is in format,
ajs,18.0,15.0
expected output
ajs 18.0 15.0
but I am getting,
ats,18.0,25.0 2686760 4200912
Code:
#include <stdio.h>
#include <stdlib.h>
int main()
{
FILE *fp;
char strConfName[25] ;
float a,b;
[Code] .....
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Nov 12, 2013
So I need to read a file that has this input and need to delete the comma and semicolon in the string but idk how to ignore the comma and semicolon:
ex of input file: A firstname, lastname; 13
I did this:
Code:
i = 0;
fscanf (fData, "%c", &grade);
fgets(space,2,fData);
do{
fgets(name,50,fpData);
i++;
}while(temp[0] == ';');
temp[i] = temp[i - 1];
fscanf (fData, "%d", &age);
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Aug 22, 2013
I have a string that receives a value, with comma eg 11,222
How do I convert a string to comma point?
I'm trying to convert the string to float, however because of the comma does not handle values before the comma
float to_float(const std::string& str)
{
std::istringstream is(str) ;
float result;
[Code]....
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Nov 24, 2014
I am trying to write a way to properly format numbers by adding "," to numbers. Ex:
1000000 -> 1,000,000
30000000000000 -> 30,000,000,000,000
In the usual case, its an easy problem. But it gets tricky in my case, since I am working with numbers up to 30 digits, unable to store them in any int, long, long long. Due to this obstacle, the user inputs a number and each digit is stored in my array individually.
I need these commas to print as I am cout the array. This means I only have array length to work with.
I want to use modulus, but I'm not sure how this would work. I have:
void prArray(int Array[], const int arrSize) {
int mod = arrSize % 3;
int remainingSize = arraySize;
int counter = 0;
for(int i=0; i <= arrSize; i++){
remainingSize--;
[Code] ....
Which outputs the first digits correctly, but leaves 4 digits at the end:
235423452345 -> 23,542,345,2345
Likewise
2354234523450 -> 235,423,452,3450
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Mar 7, 2014
I am having a hard time trying to get data into an array of objects. The data file has 3235 lines, state, fips code, and county. The state and fips code are getting stored correctly but some countys have 2 or more words in them (now noticing the "and" is missing from one of them.
sample of the file:
AL,01,123,Tallapoosa
AL,01,125,Tuscaloosa
AL,01,127,Walker
AL,01,129,Washington
AL,01,131,Wilcox
AL,01,133,Winston
[code]....
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Jan 13, 2013
I have a file named "A6.txt" inside it has this code:
April Joe, 1, SUPER DUPER ULTRA SECRET, 02031982|
Matthews Jocob, 2, TOP SECRET, 11031992|
Garfield Kitty, 3, SECRET, 04041942|
Lake Bill, 4, MEH, 12031968|
Jones Betty, 5, WATCHLIST, 06031974|
Goodman Betty, 6, BANE OF SOCIETY, 05021952|
Very Simple, all it has is "Name, ID, Access, Date of Birth" (DOB needs to be formatted like 00/00/0000 if possible)
Output should Look like :
Client #1:
Name: April Joe
Access: SUPER DUPER ULTRA SECRET
DoB: 02/03/1982
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May 16, 2012
Trying to append a comma to a string. Getting "Segmentation Error" on Solaris when the function is entered the second time.
Code:
// Appends a comma to the given string
void appendComma(char* instring) {
if (instring == NULL) {
instring = realloc(NULL, strlen(","));
strcpy(instring,",");
[Code] .....
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Aug 13, 2014
Write a program that prompts the user to enter three integer values, and then outputs the values in numerical sequence separated by commas.
So, if the user enters the values 10 4 6, the output should be 4, 6, 10.
If two values are the same, they should just be ordered together.
So, the input 4 5 4 should give 4, 4, 5.
Code:
#include "std_lib_facilities.h"
int main()
{
cout << "Enter three integers, separated by space: ";
int a, b, c, temp1 = 0, temp2 = 0;
cin >> a >> b >> c;
[Code] ....
My first solution has a bug, so here's the corrected solution, written using only features I have learned in the first three chapters:
Code:
#include "std_lib_facilities.h"
int main()
{
cout << "Enter three words, separated by space: ";
string a, b, c, temp;
cin >> a >> b >> c;
[Code] ....
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Sep 16, 2013
I have prepared a file through the use of following code
Code:
fprintf(file2, "%i %i %i %i %i %i
",
msg_id,
msg_size,
msg_period,
msg_deadline,
msg_producer,
msg_comsumer
);
As one can see, this file has tab separated integer entries. The file is written correctly, let us call this file "msg.txt".
I face the problem when I read this file, using fgets as follows:
Code:
char singleMessage[100];
while( fgets(singleMessage, sizeof(singleMessage), file ) )
{
puts(singleMessage);
sscanf(singleMessage, "%i %i %i %i %i %i
",
&first, &second, &third, &fourth, &fifth, &sixth);
fprintf(stderr, "first: %d, second: %d, third: %d, fourth: %d, fifth: %d, sixth: %d
",
first, second, third, fourth, fifth, sixth);
}
but fgets only retrieves until the first, i.e, if the first line in the file reads:
788004425
fgets returns only 78.
Does it have to do with how the file was written in the first place.
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Nov 9, 2013
I have a function reads from a file like this
file
foo;bar
foo;bar
foo;bar
function
void EntryList::loadfile(const char filefoo[]){
ifstreamin;
[Code] ....
I am in the middle of rewriting this program for at least the 4 time. and I have modified the file how I (humanly) think I should to this. I have had issues in the past, doing it this way. (still working on the other parts of the program so I cannot be too specific right now, but I know my results were unexpected ) So my question is does the function that I modified look correct for what I am trying to do? Am I off by one? I guess I am struggling with understanding how the original function is working. (step by step systematically.) hence my confusion about my modified function.
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Feb 14, 2015
I have a file with data in lines separated by commas and im trying to print out specific lines and specific parts of data from that line. I need to isolate lines where the first column of data reads '$CPGAR' and print out specific data columns.When I print out the strings I get random data and my strcmp to isolate lines isnt working? Im very new to this, heres a sample of my program:
while (!feof(gpsH)) {
char word1[10],word2[10],word3[10],word4[10],word5[10],word6[10],word7[10],
word8[10],word9[10],word10[10],word11[10],word12[10],word13[10];
char a[6] ="$CPGAR";
/* read data line */
fgets(gpsS,10,gpsH);
[Code]...
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Aug 12, 2012
I'm trying to get my program to read a series of comma delimited values from a file into a vector. However, I am unsure how to actually go about doing this. I've posted my best guess below but it's really just a stab in the dark and I always receive a compiler error.
Code:
#include <iostream>
#include <fstream>
#include <vector>
#include <string>
using namespace std;
vector <string> v_input;
int main() {
ofstream fout ("Insert File Path Here.txt");
fout << "4, 8, 15, 16, 23, 42";
[Code] ....
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Oct 20, 2013
i've defined an strcuct in .h file and i read its variable in a method in .cpp file ,but i'v got error.
.H file:
class myclass{
public:
struct opt_struct
[Code]....
when i declare the struct without static , it doesn't recognize my struct and with static i face linker error:
Error33error LNK1120: 1 unresolved externals
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Mar 7, 2014
i tried to parse the string data seperated by Pipe('|') delimiter, here i am getting some error.Please find the below code.
[char* getData(){
char* string = "1355|||250|New";
char* tok1[10],tok2[10],tok3[10],tok4[10],tok5[10];
sscanf(string,"%[^'|'],%[^'|'],%[^'|'],%['^|'],%s",tok1,tok2,tok3,tok4,tok5);
printf("%s %s %s %s %s",tok1,tok2,tok3,tok4,tok5);
}]
I want to print the Value 250 in my string, but it was displaying some garbage values.
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