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Creating a constant Dictionary in C#
...lt;,> class is immutable (but multi-valued on the rhs); you can do this from a Dictionary<,> quite easily:
Dictionary<string, int> ids = new Dictionary<string, int> {
{"abc",1}, {"def",2}, {"ghi",3}
};
ILookup<string, int> lookup = ids.ToLookup(x => x...
What does map(&:name) mean in Ruby?
...|element| foo(element) }
By calling method(:foo) we took a Method object from self that represents its foo method, and used the & to signify that it has a to_proc method that converts it into a Proc.
This is very useful when you want to do things point-free style. An example is to check if th...
Set focus on textbox in WPF
...OBJECT.Focus();
}), System.Windows.Threading.DispatcherPriority.Render);
From what I understand the other solutions may not work because the call to Focus() is invoked before the application has rendered the other components.
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What's a “static method” in C#?
...
From another point of view:
Consider that you want to make some changes on a single String.
for example you want to make the letters Uppercase and so on.
you make another class named "Tools" for these actions.
there is no mea...
Can't stop rails server
...
1. Simply Delete the pid file from rails app directory
Rails_app -> tmp -> pids -> pid file
Delete the file and run
rails start
2. For Rails 5.0 and above, you can use this command
rails restart
...
How to Add a Dotted Underline Beneath HTML Text
...a dotted border will be placed outside of padding and will thus be distant from the text.
– Ryan Walker
Mar 25 at 22:38
2
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Insert space before capital letters
... you want to shorten your code using regex, you can use the following code from Javascript camelCase to Regular Form
"thisStringIsGood"
// insert a space before all caps
.replace(/([A-Z])/g, ' $1')
// uppercase the first character
.replace(/^./, function(str){ return str.toUpperCase...
Get the value of checked checkbox?
...ally. It will be good if you can provide the full code so I can understand from where you got the id
– devfaysal
Apr 26 '16 at 2:41
3
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Is It Possible to NSLog C Structs (Like CGRect or CGPoint)?
...
You can try this:
NSLog(@"%@", NSStringFromCGPoint(cgPoint));
There are a number of functions provided by UIKit that convert the various CG structs into NSStrings. The reason it doesn't work is because %@ signifies an object. A CGPoint is a C struct (and so are ...
How to check version of a CocoaPods framework
...
To check version of cocoapods from terminal:
For Sudoless:
gem which cocoapods
For Sudo:
sudo gem which cocoapods
Also note: If you want to edit podfile or podfile.lock don't edit it in editors. Open only with XCode.
...