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Replacing between chracters by unicode identifier [closed]

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Closed 10 years ago.
How to replace between two characters in a string based on their Unicode code point ?? Could any help please ??Many Thanks.
For example,
Replace (U0041 with U0066)

Use the \u escape code to write the characters:
str = str.Replace('\u0041', '\u0066');
Alternatively, convert the numbers into characters:
int char1 = 65;
int char2 = 102;
str = str.Replace((char)char1, (char)char2);

You can do it like this:
Console.WriteLine("ABC".Replace("\u0041", "\u0066"));
This produces the output fBC, because the unicode code point of u0041 (which is A) has been replaced with the code point of u0066 - an f.

Creating long randoms [closed]

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Closed 10 years ago.
So I have this
Random random1 = new Random();
int intrandom1 = random1.Next();
I want to put a long after the .Next. How do I do that? It only accepts ints.

First idea: A long as 64 bit integer, is the combination of 2 32 bit integers, so you can use:
((long)random1.Next() << 32) | random1.Next()
Or perhaps
((long)random1.Next() <<< 32) | random1.Next()
if you use java (?) and need a unsigned shift
edit: does not look like Java. Java has random1.nextLong() for that. Perhaps C#? I do not know that

It can be generated arbitrary long number by using a simple linked list. Just imagine that every node from list can store a number random generated, and a function can be read that list like an unitary number. Using an algorithm like that you can obtain an arbitrary long random number.

What should I use in this case? [closed]

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Closed 10 years ago.
I need to go through two arraylists (for the ones answering my previous question, I've solved it), one ("dir") has text saved on it which will be used as an Instruction, and the other one ("time") has numbers in it wich will be used for the Interval of a Timer ("Timer.Interval"). What I need to do is to make each position of "Dir" be done continiously until the timer ticks (Timer.Tick), then go to the next position.
This is as far as I got:
int i = 0;
for ( i = 0; i > -1; i++)
{
Console.WriteLine(cls.dir[i]);
Console.WriteLine(cls.time[i]);
if (cls.dir[i] == "one")
{
timerSeconds.Interval = Convert.ToInt32(cls.time[i]) * 1000;
Label1.Text = "Hello StackOverflow";
}
}
In this case to make it more easy to understand I made and example, what it's supposed to do is to show a different text as a sign in the Label1 as long as the time Arraylist says for each block. I know this is incomplete, how would you end it?

It sounds like you want to "wait" a certain number of milliseconds.
If so, the best way to do this is with a "Sleep":
if (cls.dir[i] == "one")
{
int interval = Convert.ToInt32(cls.time[i]) * 1000;
Label1.Text = "Hello StackOverflow";
System.Threading.Thread.Sleep(interval);
}
Label1.Text = "Time to wake up";

Linq to find the length of the value of the column in the list [closed]

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Closed 10 years ago.
I have a list and a column; the column might have many values, and each value's length may vary.
If the length exceeds 100, I want to append /n at the end of it.
Need your help.

I give it a try, though a lot of questions are open (what type of list, what a column, ...).
In short: you can use String.Insert to insert text at a specified postition.
Assuming you have a List<Foo>, the class Foo has a string property Value (your column). If it's Length exceeds 100 the line should be wrapped:
foreach(Foo foo in foos)
{
if(foo.Value.Length > 100)
foo.Value = foo.Value.Insert(100, Environment.NewLine);
}
http://msdn.microsoft.com/en-us/library/system.string.insert.aspx
Here's running code with sample data.
http://ideone.com/sUKLk

How do I remove a portion of my string? [closed]

It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center.
Closed 10 years ago.
Continuing from my previous question, I now want to remove the number once I have found it and stored it in a variable.

Just a slight tweak to my response to your first question to instead use Regex.Replace method will git 'er done.

Don't worry I figured it out. Just need to find the length then delete the chars
(qual is the intergers found)
string length = qual.ToString();
int length2 = length.Length;
text.Remove(0, length2);

I think the following code resolves the root problem:
string originalString = "35|http://www.google.com|123";
string[] elements = originalString.Split(new char[] { '|' }, 2);
int theNumber = int.Parse(elements[0]); // 35
string theUrl = elements[1]; // http://www.google.com|123