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private[this] vs private
...le
1.Without private[this]
object ObjectPrivateDemo {
def main(args: Array[String]) {
var real = new User("realUserName", "realPassword")
var guest = new User("dummyUserName", "dummyPassword")
real.displayUser(guest)
}
}
class User(val username:String,val password:String) {
p...
Difference between static memory allocation and dynamic memory allocation
...is out yourself by writing a small C program that allocates a large static array of either 10k, 1m, 10m, 100m, 1G or 10G items. For many compilers, the binary size will keep growing linearly with the size of the array, and past a certain point, it will shrink again as the compiler uses another alloc...
How can I create an error 404 in PHP?
...ame=word_here . The PHP script then checks if the requested page is in its array of pages.
9 Answers
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How to find where a method is defined at runtime?
...e source_location of that method:
m.source_location
This will return an array with filename and line number.
E.g for ActiveRecord::Base#validates this returns:
ActiveRecord::Base.method(:validates).source_location
# => ["/Users/laas/.rvm/gems/ruby-1.9.2-p0@arveaurik/gems/activemodel-3.2.2/lib...
How do I list the functions defined in my shell?
...an): compgen -A function | grep "^[a-z]\+" | grep -vE "^dequote|^quote|^in_array"
– Dmytro Dzyubak
Jul 24 '16 at 16:00
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Why can't I have abstract static methods in C#?
...();
}
//what is the output?
//does each subclass get its own copy of the array "legs"?
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Why does AngularJS include an empty option in select?
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This unfortunately doesn't work if you are using an array and null is one of your values.
– vpiTriumph
Sep 26 '13 at 2:57
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MongoDb query condition on comparing 2 fields
...could be the cause of this behaviour? EDIT: Never mind, I wasnt passing an array to aggregate() but rather each aggregation as a parameter itself, missed that.
– ThatBrianDude
Aug 24 '17 at 14:02
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What is the correct JSON content type?
...g: informal loose definition ahead) a text representation of an object (or array of objects)
– xDaizu
Apr 5 '18 at 11:55
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Moment.js - how do I get the number of years since a date, not rounded up?
...nation:
We receive string something like this: '23 days ago'. Split it to array: ['23', 'days', 'ago'] and then take first item '23'.
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