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Why does Ruby have both private and protected methods?
... the defining class or its subclasses.
private methods can be called only from within the calling object. You cannot access another instance's private methods directly.
Here is a quick practical example:
def compare_to(x)
self.some_method <=> x.some_method
end
some_method cannot be priv...
How to prevent custom views from losing state across screen orientation changes
...eInt(this.stateToSave);
}
//required field that makes Parcelables from a Parcel
public static final Parcelable.Creator<SavedState> CREATOR =
new Parcelable.Creator<SavedState>() {
public SavedState createFromParcel(Parcel in) {
return new SavedS...
Best approach for designing F# libraries for use from both F# and C#
...m trying to design a library in F#. The library should be friendly for use from both F# and C# .
4 Answers
...
Meaning of @classmethod and @staticmethod for beginner? [duplicate]
... self.month = month
self.year = year
@classmethod
def from_string(cls, date_as_string):
day, month, year = map(int, date_as_string.split('-'))
date1 = cls(day, month, year)
return date1
@staticmethod
def is_date_valid(date_as_string):
day...
Add line break to 'git commit -m' from the command line
I am using Git from the command line and am trying to add a line break to the commit message (using git commit -m "" ) without going into Vim.
...
stopPropagation vs. stopImmediatePropagation
...
stopPropagation will prevent any parent handlers from being executed stopImmediatePropagation will prevent any parent handlers and also any other handlers from executing
Quick example from the jquery documentation:
$("p").click(function(event) {
event.stopImmedia...
What is the difference between compile and link function in angularjs
...ctive to render an updated instance value to the DOM -- by copying content from the instance scope into the DOM.
Note that DOM transformations can be done in the compile function and/or the link function.
Most directives only need a link function, since most directives only deal with a specific D...
Traversing text in Insert mode
... and you'll get used to it soon. If you made a mistake ten characters back from your cursor, you'll find out that pressing the ← key 10 times is much slower than the iterative approach to moving the cursor. So you can instead quickly type the keys 12h (as a rough of guess how many characters back ...
git - pulling from specific branch
... --track or --set-upstream-to Branch dev set up to track remote branch dev from origin." Eg. git branch --set-upstream-to origin/dev
– Nagendra Rao
Jul 3 '15 at 5:19
...
How do I run Redis on Windows?
...
Download Microsoft's port from their GitHub repository.
This release includes the redis-server.exe application that runs a Redis instance as a service on your windows machine, as well as redis-cli.exe which you can use to interact with any Redis insta...