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What is a callback?
What's a callback and how is it implemented in C#?
11 Answers
11
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Difference between null and empty (“”) Java String
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Does this apply to C# also? As in ""'s array is {'\0'}, a null
– Cole Johnson
Aug 17 '12 at 22:32
3
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SQL Data Reader - handling Null column values
... If someone changes the Age column from being an int to an SQL bigint (c# long), your code will fail silently by returning 0. The answer from ZXX is more reliable IMO.
– Martin Ørding-Thomsen
Oct 15 '11 at 19:27
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What is the difference between const and readonly in C#?
What is the difference between const and readonly in C#?
31 Answers
31
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How to prevent blank xmlns attributes in output from .NET's XmlDocument?
...e>
</trkpt>
Change the code : And pass xml namespace
like this
C# code:
XmlElement bookElement = xdoc.CreateElement("trkpt", "http://www.topografix.com/GPX/1/1");
bookElement.SetAttribute("lat", "30.53597");
bookElement.SetAttribute("lon", "97.753324");
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Converting string to title case
...with some tests strings:
String ts1 = "Converting string to title case in C#";
String ts2 = "C";
String ts3 = "";
String ts4 = " ";
String ts5 = null;
Console.Out.WriteLine(String.Format("|{0}|", TitleCaseString(ts1)));
Console.Out.WriteLine(String.Format("|{0}|", TitleCaseString(ts2)));
Console...
How to enumerate an object's properties in Python?
I C# we do it through reflection. In Javascript it is simple as:
7 Answers
7
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How do I use the ternary operator ( ? : ) in PHP as a shorthand for “if / else”?
...es!
It looks like PHP doesn't work the same way as at least Javascript or C#.
$score = 15;
$age = 5;
// The following will return "Exceptional"
echo 'Your score is: ' . ($score > 10 ? ($age > 10 ? 'Average' : 'Exceptional') : ($age > 10 ? 'Horrible' : 'Average'));
// The following will ...
SQL Server reports 'Invalid column name', but the column is present and the query works through mana
I've hit a bit of an impasse. I have a query that is generated by some C# code. The query works fine in Microsoft SQL Server Management Studio when run against the same database.
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Scanner is skipping nextLine() after using next() or nextFoo()?
...sed by adding an input.nextLine(); underneath.
Alternatively you can do it C# style and parse a nextLine to an integer like so:
int number = Integer.parseInt(input.nextLine());
Doing this works just as well, and it saves you a line of code.
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