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Generate JSON string from NSDictionary in iOS
I have a dictionary I need to generate a JSON string by using dictionary . Is it possible to convert it? Can you guys please help on this?
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How to get the home directory in Python?
... pathlib solution (and omit the call of str). If you just want the path as string, they both do the same.
– Niklas Mertsch
Aug 15 '19 at 12:31
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How do I check if a number is a palindrome?
...lved it in Haskell I did exactly what you suggest, convert the number to a String. It's then trivial to check that the string is a pallindrome. If it performs well enough, then why bother making it more complex? Being a pallindrome is a lexical property rather than a mathematical one.
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How to find NSDocumentDirectory in Swift?
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This answer failed in Xcode 6.0. The cast must be to NSString rather than String.
– Daniel T.
Oct 19 '14 at 16:15
1
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How to test if a string is basically an integer in quotes using Ruby
...regular expressions. Here is the function with @janm's suggestions.
class String
def is_i?
!!(self =~ /\A[-+]?[0-9]+\z/)
end
end
An edited version according to comment from @wich:
class String
def is_i?
/\A[-+]?\d+\z/ === self
end
end
In case you only need to chec...
public static const in TypeScript
...d NodeJS):
export class Library {
public static get BOOK_SHELF_NONE():string { return "None"; }
public static get BOOK_SHELF_FULL():string { return "Full"; }
}
var x = Library.BOOK_SHELF_NONE;
console.log(x);
Library.BOOK_SHELF_NONE = "Not Full";
x = Library.BOOK_SHELF_NONE;
console.log...
Implementation difference between Aggregation and Composition in Java
... professors = null;
}
}
public class Professor {
private String name;
private List<Department> attachedDepartments;
public void destroy(){
}
public void fire(Department d){
attachedDepartments.remove(d);
}
}
Something around this.
EDIT: a...
How to remove line breaks (no characters!) from the string?
...ines and carriage returns. The code is:
preg_replace( "/\r|\n/", "", $yourString );
Even though the \n characters are not appearing, if you are getting carriage returns there is an invisible character there. The preg replace should grab and fix those.
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How do getters and setters work?
...utorial is not really required for this. Read up on encapsulation
private String myField; //"private" means access to this is restricted
public String getMyField()
{
//include validation, logic, logging or whatever you like here
return this.myField;
}
public void setMyField(String value)
...
AngularJS : Difference between the $observe and $watch methods
.../watch an "expression", where the expression can be either a function or a string. If the expression is a string, it is $parse'd (i.e., evaluated as an Angular expression) into a function. (It is this function that is called every digest cycle.) The string expression can not contain {{}}'s. $wat...