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static void Main(string[] args) [closed]

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Closed 9 years ago.
For the start up method of the console application static void Main(string[] args),
assuming that the parameters are passed as below:
helloworld a , b , c, d
What is the best way to pick up a, b, c and d from agrs (without space and comma) ?

string[] s = args[0].Split(new char[] { ' ', ',' },
StringSplitOptions.RemoveEmptyEntries);

var elements = args[0].Split(',').Select(s => s.Trim());

You can use Trim() to remove space and Replace() to replace comma separated values.

C# remove text after comma [closed]

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Closed 9 years ago.
How can I remove specific text from a string?
for example I have this string:
string file = "43 , 2000-12-12 003203";
I need to remove the text after the comma, including comma, so I can have as a final result:
string file = "43";
thank you,

string file = "43 , 2000-12-12 003203";
string number = file.Split(',')[0].Trim();

You can do this:
string output = file.Substring(0, file.IndexOf(',')).Trim();
However, that might fail if the string doesn't contain a comma. To be safer:
int index = file.IndexOf(',');
string output = index > 0 ? file.Substring(0, index).Trim() : file;
You can also use Split as others have suggested, but this overload would provide better performance, since it stops evaluating the string after the first comma is found:
string output = file.Split(new[] { ',' }, 2)[0].Trim();

Possibly by using Split?
file.Split(',')[0].Trim();

C# read a text file and search for string [closed]

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Closed 10 years ago.
In C# how can I open the text file , search for string "mystring" and if string is there then set variable Vara = 1 else Vara= 0 .
Thanks in advance

Quick & dirty using System.IO.File.ReadAllText:
int Vara = File.ReadAllText(path).Contains("mystring") ? 1 : 0;

won't do all your exercise to leave you some fun, but here a way to start:
to get all text of a file into a string variable try this:
using System.IO;
string fileContent = File.ReadAllText(#"C:\file.txt");
then here to check if your string is inside:
bool present = fileContent.IndexOf("mystring") >= 0;

Is multidimension array a good choice for this? [closed]

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Closed 10 years ago.
For my parser i want to (depending on user input) save parse stats for the sites a user chooses to parse.
So lets say the user chooses site A, site B and site D:
I then from my threads want to be able to add different statitsitcs like; links parsed, pages parsed, duplicates found, etc. (so basically int values for the sites).
How would i create this into c#?
My idea is to make some kind of multidimensional array?
Is there a better way?
Any suggestions are very welcome :)

I would create a class that encapsulates the statistics and than use a dictionary with a website name as key.
public class Statistics
{
public int PagesParsed { get; set; }
}
var collection = new Dictionary<string, Statistics>();
collection.Add("Site A", new Statistics { PagesParsed = 42 });
var siteAStatistics = collection["Site A"];

.NET String Assignment Removes Characters [closed]

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Closed 11 years ago.
Never seen anything like this before. I'm doing a very simple DataReader value assignment.
story.Byline = _r["Byline"].ToString();
But the values of _r["Byline"].ToString() and story.Byline are different after the assignment. Here's the output from the Immediate window:
story.Byline
"Associated Press - FIRST LASTAssociated Press - FIRST LAST"
_r["Byline"].ToString()
"Associated Press - FIRST LAST<br />Associated Press - FIRST LAST"
Why is <br /> being removed?

Calling reader["x"].ToString() you actually calls x' type possibly overridden method ToString().
If you're sure that it's string, use reader.GetString(reader.GetOrdinal("x"))

Well, this is a bit embarrassing:
public string Byline
{
get { return !_elements.ContainsKey("Byline") ? "" : (string)_elements["Byline"]; }
set
{
string _buf = Functions.StripTags(value);
_elements["Byline"] = _buf;
}
}
Incorrect assumptions FTL. Can this question be deleted?