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Difference between class and type
...umbers.
c) The boolean type has exactly two values: true and false.
Now , let us come to what is reference type ?
There are four kinds of reference types: class types (§8.1), interface
types (§9.1), type variables (§4.4), and array types (§10.1).
Let us discuss one by one.
If you...
Difference between Repository and Service Layer?
...aravel conventions, and has some architectural problems for work I'm doing now. One thing I came across is that repositories "should not return ViewModels, DTO's, or query objects", but rather should return repository objects. I'm thinking through where services interact with repository objects via ...
How to implement has_many :through relationships with Mongoid and mongodb?
...4684b7e9"),
"contact_ids" : [ ObjectId("4d3ed089fb60ab534684b7f2") ]
}
Now for a self-referencing Association in MongoDB, you have a few options.
has_many :related_contacts, :class_name => 'Contact', :inverse_of => :parent_contact
belongs_to :parent_contact, :class_name => 'Contact', ...
AngularJS Multiple ng-app within a page
...nce to the HTML element in order to bootstrap it, which means your code is now coupled to your HTML.
Secondly the association between the two is not as apparent. With ngApp you can clearly see what HTML is associated with what module and you know where to look for that information. But angular.boot...
var functionName = function() {} vs function functionName() {}
... point of assignment:
// We can't call it here
xyz(); // UNDEFINED!!!
// Now it is defined
xyz = function(){}
// We can call it here
xyz(); // works
Function declaration vs. function expression is the real reason why there is a difference demonstrated by Greg.
Fun fact:
var xyz = function abc...
What is the best Battleship AI?
...ee.png
After considering all leaves of that tree that jive with what you know about the world (e.g. ships can't overlap, all hit squares must be ships, etc.) you can count how often ships occur at each unexplored position to estimate the likelihood that a ship is sitting there.
This can be visua...
What is SOA “in plain english”? [closed]
...a little of both. Someone eventually comes in and says we've got a mess. Now, you want to re-design (money to someone) everything to be oriented in a sort of monotlithic depends on who you pay paradigm but at the same time be able to add pieces and parts independently of the master/monolith.
So y...
What is the difference between Elastic Beanstalk and CloudFormation for a .NET project?
...n my application deployments. It also ensures that I have a repeatable, "known good" configuration that I can quickly deploy in a different region.
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Why is “while ( !feof (file) )” always wrong?
...h output the situation is certainly just as bad as I described: you never know if that disk or that network buffer is full.)
So we conclude that it is impossible, and in fact unreasonable, to ask an I/O system whether it will be able to perform an I/O operation. The only possible way we can interact...
datetime dtypes in pandas read_csv
... I was having error as I was passing single string name of column, now I understand that I needed to pass list for a single value also.
– TapanHP
Jul 12 '19 at 10:40
a...