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Why do we need boxing and unboxing in C#?
... But there are a few caveats to be aware of:
This is correct:
double e = 2.718281828459045;
int ee = (int)e;
This is not:
double e = 2.718281828459045;
object o = e; // box
int ee = (int)o; // runtime exception
Instead you must do this:
double e = 2.718281828459045;
object o = e; // box
int ...
How ListView's recycling mechanism works
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332
Initially, I was also unaware of listview recycling and the convertview usage mechanism, but aft...
CSRF Token necessary when using Stateless(= Sessionless) Authentication?
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2 Answers
2
Active
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NHibernate vs LINQ to SQL
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Ryan Lundy
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answered Aug 25 '08 at 21:51
Kevin PangKevin ...
Linq to Entities - SQL “IN” clause
...here" with "FindAll" and get the same result, which will also work in .NET 2.0:
foreach(User u in users.FindAll(u => new [] { "Admin", "User", "Limited" }.Contains(u.User_Rights)))
{
//Do stuff on each selected user;
}
...
Obtain Bundle Identifier programmatically
...ng *bundleIdentifier = [[NSBundle mainBundle] bundleIdentifier];
Swift 1.2
let bundleIdentifier = NSBundle.mainBundle().bundleIdentifier
Swift 3.0
let bundleIdentifier = Bundle.main.bundleIdentifier
Xamarin.iOS
var bundleIdentifier = NSBundle.MainBundle.BundleIdentifier
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is of a type that is invalid for use as a key column in an index
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249
A unique constraint can't be over 8000 bytes per row and will only use the first 900 bytes eve...
Difference between string object and string literal [duplicate]
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208
When you use a string literal the string can be interned, but when you use new String("...") y...
CSS: how to position element in lower right?
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2 Answers
2
Active
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How to remove all event handlers from an event
... button1.Click += button1_Click;
button1.Click += button1_Click2;
button2.Click += button2_Click;
}
private void button1_Click(object sender, EventArgs e) => MessageBox.Show("Hello");
private void button1_Click2(object sender, EventArgs e) => MessageBox.Show("...