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How to select distinct rows in a datatable and store into an array
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With LINQ (.NET 3.5, C# 3)
var distinctNames = ( from row in DataTable.AsEnumerable()
select row.Field<string>("Name")).Distinct();
foreach (var name in distinctNames ) { Console.WriteLine(name); }
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IOS 7 Navigation Bar text and arrow color
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Vin's answer worked great for me. Here is the same solution for C# developers using Xamarin.iOS/MonoTouch:
var navigationBar = NavigationController.NavigationBar; //or another reference
navigationBar.BarTintColor = UIColor.Blue;
navigationBar.TintColor = UIColor.White;
navigationBar.SetT...
How to create a sequence of integers in C#?
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In C# 8.0 you can use Indices and ranges
For example:
var seq = 0..2;
var array = new string[]
{
"First",
"Second",
"Third",
};
foreach(var s in array[seq])
{
System.Console.WriteLine(s);
}
// Output: First, S...
Why is processing a sorted array slower than an unsorted array?
...hy everything you learn in C/C++ doesn't apply verbatim to a language like C#!
– user541686
Dec 24 '12 at 17:48
38
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Check if two lists are equal [duplicate]
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Not the answer you're looking for? Browse other questions tagged c# linq or ask your own question.
Multiple lines of text in UILabel
...ineBreakMode = NSLineBreakByWordWrapping;
textLabel.numberOfLines = 0;
// C# (Xamarin.iOS)
textLabel.LineBreakMode = UILineBreakMode.WordWrap;
textLabel.Lines = 0;
Restored old answer (for reference and devs willing to support iOS below 6.0):
textLabel.lineBreakMode = UILineBreakModeWordWrap;
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converting a base 64 string to an image and saving it
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In my case it works only with two line of code. Test the below C# code:
String dirPath = "C:\myfolder\";
String imgName = "my_mage_name.bmp";
byte[] imgByteArray = Convert.FromBase64String("your_base64_string");
File.WriteAllBytes(dirPath + imgName, imgByteArray);
That's it. Kindly u...
How do the post increment (i++) and pre increment (++i) operators work in Java?
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Is this answer is the same for c# and c++?
– workoverflow
May 27 '18 at 7:39
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Is there shorthand for returning a default value if None in Python? [duplicate]
In C#, I can say x ?? "" , which will give me x if x is not null, and the empty string if x is null. I've found it useful for working with databases.
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How to check if a String contains any of some strings
I want to check if a String s, contains "a" or "b" or "c", in C#.
I am looking for a nicer solution than using
14 Answers
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