C Sharp :: ISO 8601 To Standard Date
May 2, 2013
How I can convert an ISO 8601 to a standard DateTime like dd/mm/yyyy.
The string is:
2013-01-03T00:00:00.0000000Z
And I'd want it to show it like so:
03-01-2013
I'm storing this in an SQLite Database and the code I use to store everything:
conn.Open();
command.Connection = conn;
command.CommandText = "insert into Test ([Date], [LogName], [Channel], [DateRecord], [SizeInBytes]) values"
+ "(@Date, @LogName, @Channel, @DateRecord, @SizeInBytes)";
command.Parameters.Add("@Date", DbType.String);
command.Parameters.Add("@LogName", DbType.String);
[Code] ....
the Visual aspect is that I use a datagridview to see the data, so the conversion would have to happen while I read and store the data in the database.
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Dec 22, 2013
Is there any way to do date math using standard C libraries? I looked around in the time.h but didn't see what I needed.
What I need to do is be able to add a certain number of minutes to a date and have it give the current date/time. For example, add 15918765 minutes to 01/01/1980 00:00 and have it tell me 04/07/2010 4:45PM. I really don't want to write this myself or go platform-specific.
Does this exist somewhere or am I SOL?
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Jul 23, 2012
In my project of hotel management.. for room issue date i have used date picker, it will automatically take present date.., for how many days a customer staying i kept a text box and enter no of days staying . My problem is how i got due date in another date time picker. When I enter the duration of days and that date must be shown. I need code for this in c#....
For ex..my issue date is 31-03-2012 no of days staying 3 my due date must be 3-04-2012.
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Feb 1, 2013
How to show only current date not time in webforms in visual studio as for date and time code is
Label1.Text = DateTime.Now.ToString();
What for only date not time
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Feb 2, 2013
The first time my application opens up, it should get the local date out of the System and store this in a registry key. But the second time it should get the date stored in that registryKey and compare it to the date right now.And there is where I am stuck, I just don't know how to get the date out of that key and compare it to the date right now.
This is my code:
RegistryKey key1;
private void btnTrial_Click(object sender, EventArgs e) {
DateTime current = DateTime.Now;
key1 = Registry.CurrentUser.OpenSubKey("myKey");
if (key1 == null)
[code]....
at the last "if" statement it should compare the date stored in the key with the DateTime.Now.
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Jun 8, 2013
How do I convert date in integer format to DateTime without using DateTime?
I have tried:
Regex regex = new Regex(@"^(0[1-9]|1[012])(0[0-9]|1[0-9]|2[0-9]|3[01])(1[789]|[2-9][0-9])dd+$");
if (regex.IsMatch(txt_fromdate.Text) == true)
{
DateTime dt = DateTime.ParseExact(txt_fromdate.Text, "MMddyyyy", null);
}
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Feb 18, 2013
how to display date reange in crysta report , i have table contains :
id score date name
1 30 2-10-2012 x
2 40 3-10-2013 y
3 40 3-7-2009 z
1 45 5-10-2013 x
1 50 4-10-2009 x
ouput report:
id:1 name :x
2009-10| 2012-2013
50 30
40
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Nov 20, 2012
i want to create an application which generates popup alerts at the day of event occurs as well as a day before the event will occur in a specific time interval as well.. events are stored in database and they are all date time fields .. so i want to link those fields to create popups ..
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Aug 18, 2014
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.IO;
using System.IO.Ports;
[Code] ....
How to pick date / time when serial port starts reading , and also when reading stops ?
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Mar 4, 2013
I want to retrieve the records selected between from_dt and to_dt and also the records of the selected date should be retrieved...
SELECT ChallanDtl.chalID, ChallanDtl.chalTo,
ChallanDtl.chalNo, ChallanDtl.chalDDate,
ChallanDtl.chalYourNo, ChallanDtl.chalPO_NO,
ChallanDtl.chalPO_Date,
ChallanSubDtl.chalsubdescription,
[Code] ...
I am not getting all the records.... when i select the same date in both datetimepicker no record is displayed... i also want the record of the selected dates from both datetime picker..
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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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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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Oct 21, 2013
I've been trying to calculate the Second standard deviation but the average in the second loop isn't calculating correctly which is causing the standard deviation (method 2) to not calculate correctly. I can't find anything wrong.
Code:
#include <iostream>#include <iomanip>
#include <string>
#include <fstream>
#include <cmath>
usingnamespacestd;
int main ()
[Code]...
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Jul 11, 2014
I have a program that will calculate max, average, etc from a file of numbers. However, I cannot get it to calculate standard deviation.
#include <iostream>
#include <fstream>
#include <string>
#include <vector>
#include <cmath>
[code]....
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Feb 6, 2014
How to make a standard deck of cards and being able to shuffle and distribute the cards. I have made an array to store each card and I can display them but I assigned them all in order according to the suit and rank. Is this a viable way to do it if I intend to have a shuffle effect? Or should I create an array, randomly generate card, check for duplicates, then put them in the array, then display the array? Each card is a structure with two void pointer members for suit and rank.
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Jul 18, 2013
Is there any code I can use to determine my compiler version and which Standard It uses? I know the following code determine that my compiler followed ANSI But how about a version of that? ****My OS is now Ubuntu
Code:
#include <stdio.h>
int main(void){
printf("File :%s
", __FILE__ );
printf("ANSI :%d
", __STDC__ ); //return 1 if it follow ANSI but version?
return 0;
}
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Mar 21, 2013
Here's my code, it's for a poker hand evaluator
input:
'ad 2d 3d 4d 5d...
...4s 5s 6s 7s 8s'
I think it should go through all the 10 crads and disply the name of each card, but it seems to only do it for the second hand
Code:
include <stdio.h>
#include <ctype.h>
int main( void ) {
char inputtedhand[64];
int z=0, counter=0;
int index;
int i=0,m=0,n=0;
[Code].....
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Nov 14, 2013
I'm looking to translate say the standard code for 4 which is 52 to the integer 4 is that possible with a build in function i C?
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Oct 30, 2013
so i'm using scanf() this way
Code:
int i;
while (scanf("%i", &i))
printf("%i ", i);
printf("
done
");
i tried several combination of Ctrl+D and "Enter", it's not terminating, Ctrl+C just "cancels" the whole thing without printing "done", i'm running this on linux installed on a PC
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Oct 23, 2013
The main point of the program is to calculate equations just like a standard calculator but I wanted to do it myself. I don't understand what the problem is right now but I've managed to create a program that asks for both values but somehow it doesn't want to ask for an operator (*, /, + etc). What's wrong with my code that the terminal skips the scanning part for the operator?
Code:
#include <stdio.h>
int main() {
int value1, value2, answer;
char operator;
[code]....
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Apr 15, 2014
Just wondering if there was a standard way people add a version number to their c++ code? I can just define a variable or #define and write the version number to that, but wanted to know if there is a standard method people use?
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Sep 2, 2013
This has never happened before but I imagine that I've somehow accidently disabled a library or such.
namespace SB{
namespace Data{
class DLL Filed abstract{
//DLL is a macro defined as either __declspec(dllexport) or __declspec(dllimport)
//depending on whether this is open as a project or a header
[Code]....
The error is from intellisense and is present on every occurrence of std::string
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Mar 21, 2014
Here's my attempt:
input.open(name);
if (input.fail()){
cout <<"Error opening file"<<endl;
}
while (input>>numbers)
{
counter++;
total += numbers;
[Code]...
Copy of the output:
Error opening file
The Standard Deviation of all the numbers is: -9.25596e+061
Press any key to continue . . .
Its not giving me the right answer.
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Oct 7, 2014
Earlier 4-5 years back, When I started learning C++ I used textcolor() function to change the textcolour. But its not working in Code Blocks 13.12. Is there any other standard way to color the text and background.
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Mar 15, 2014
Unable to compute Standard Deviation
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Feb 1, 2015
The program does compile the average and the mean correctly. I can't understand why the standard_deviation member function isn't applying the sqrt properly:
#include <iostream>
#include <iomanip>
#include <cmath>
using namespace std;
const int N = 10;
class Standard_Deviation {
[Code] ....
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