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Select a Dictionary with LINQ
I have used the "select" keyword and extension method to return an IEnumerable<T> with LINQ, but I have a need to return a generic Dictionary<T1, T2> and can't figure it out. The example I learned this from used something in a form similar to the following:
...
How do I check if a string contains another string in Objective-C?
...");
}
The key is noticing that rangeOfString: returns an NSRange struct, and the documentation says that it returns the struct {NSNotFound, 0} if the "haystack" does not contain the "needle".
And if you're on iOS 8 or OS X Yosemite, you can now do: (*NOTE: This WILL crash your app if this code ...
Multiple Inheritance in C#
...ern directly. But sometimes it would be helpful to have this ability.
C# and the .net CLR have not implemented MI because they have not concluded how it would inter-operate between C#, VB.net and the other languages yet, not because "it would make source more complex"
MI is a useful concept, the ...
Creating a UIImage from a UIColor to use as a background image for UIButton [duplicate]
...egory around UIButton to be able to set the background color of the button and set the state. You might find this useful.
@implementation UIButton (ButtonMagic)
- (void)setBackgroundColor:(UIColor *)backgroundColor forState:(UIControlState)state {
[self setBackgroundImage:[UIButton imageFromC...
configure: error: C compiler cannot create executables
... you need to launch it, go into its preferences, select the Downloads tab, and click "Install" next to the Command Line Tools package.
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How can I scale the content of an iframe?
...ow can I scale the content of an iframe (in my example it is an HTML page, and is not a popup) in a page of my web site?
17...
What is %2C in a URL?
I'm trying to understand the structure of a URL, and I'm seeing a lot of %2C . I'm guessing this is a result of some encoding. What does that stand for?
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Favicons - Best practices
I'm trying to get my head around all these different sizes and formats that are needed for Favicons, Touch icons and now Tile icons too.
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Clear Application's Data Programmatically
...ationUserData().
I highly recommend using it in new applications:
import android.os.Build.*;
if (VERSION_CODES.KITKAT <= VERSION.SDK_INT) {
((ActivityManager)context.getSystemService(ACTIVITY_SERVICE))
.clearApplicationUserData(); // note: it has a return value!
} else {
// ...
Repeating characters in VIM insert mode
...this sequence works:
Ctrl+o 80i- Esc
Ctrl+o is used to issue normal commands without leaving INSERT mode,
80 the repetition,
i to insert,
- the character you want to insert,
Esc to leave INSERT mode.
Another one without EVER leaving INSERT mode:
Ctrl+o :norm 8ia Return
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