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Calling class object with variable count of arguments


Calling class object with variable count of arguments

By : Alex
Date : November 17 2020, 11:58 AM
This might help you jsFiddle Demo
There are a few ways to accomplish this. Here is a common way, which is to setup an instance of a local function ("class") that has its prototype configured as an object for extensibility and has properties attached to it as an object as well.
code :
//use window and document shortcut
(function(win,doc){
 //setup local function in order to extend
 var jakeWeary = function(selector){
  //force an instance to be returned when referenced
  return new jakeWeary.fun.start(selector);        
 };
 //allow prototype to be extended by referencing fun
 jakeWeary.fun = jakeWeary.prototype = {
  constructor : jakeWeary,
  //use passed values to query
  start : function(selector){
   //query against present document
   var nodes = doc.querySelectorAll(selector);
   //mimic an array of matched elements
   for(var i = 0; i < nodes.length;i++){
    this[i] = nodes[i];       
   }
   //return self for chaining
   return this;     
  }
 };
 //extend function object in order to be used without calling instance
 jakeWeary.div = function(content){
  var div = document.createElement("div");
  div.innerHTML = content;
  return div; 
 };
 //expose
 win.jakeWeary = win.jk = jakeWeary;
})(window,document)

//call instance to match the selector `.d`
var $ = jakeWeary('.d');//lets use a fun variable like $ for this
//reference the third matched element, and then append a div created from a function on the
//jakeWeary function object
$[2].appendChild(jk.div("<p>Reinventing the wheel</p>"));
<div id="i">i</div>
<div class="d">d</div>
<div class="d">d</div>
<div class="d">d</div>


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Calling a session variable in a class object in asp.net

Calling a session variable in a class object in asp.net


By : fro
Date : March 29 2020, 07:55 AM
help you fix your problem How can I access the values stored in a session object with a class in asp.net? , You should be able to use HttpContext for this:
code :
string sessionValue = HttpContext.Current.Session["SessionKey"] as string;
How to count the arguments of a method before calling that method wich is inside a class?

How to count the arguments of a method before calling that method wich is inside a class?


By : Mark Steven Pajarill
Date : March 29 2020, 07:55 AM
it helps some times I think what you need is ReflectionMethod
code :
 $reflection = new ReflectionMethod($_SITE, $acao);
 $qtdArgumentos = $reflection->getNumberOfParameters();
Python calling new class object over variable

Python calling new class object over variable


By : Amirun Muqminin
Date : March 29 2020, 07:55 AM
I hope this helps you . Your itemHolding member is supposed to be a type for whole runtime.
It turns out you're substituting it for an instance. It is happening in the parent class.
code :
class All():
    ...
    def itemCheck(self):
        ...
            self.itemHolding = i
self.itemHolding = type(i)
Calling object of template class with different template arguments

Calling object of template class with different template arguments


By : user3453801
Date : March 29 2020, 07:55 AM
I hope this helps . Two problems and both solved by the same solution.
Problem 1: Shadowing template parameters. the class establishes K and then K is reused by the constructors. Only way out of this is not to do it. You could use other names, but when you have two names for the same thing, confusion is the most common result, and you'll see that separately templating the functions is not necessary.
code :
template<typename K, typename V,
         typename HashFunction=default_hash_func, 
         typename EqualOperator=default_eguals_op>
class HashTable {
public:
    HashTable() {
    //some fields definition
    }
};
Ruby - Calling all methods without arguments for a class object

Ruby - Calling all methods without arguments for a class object


By : craftch63
Date : March 29 2020, 07:55 AM
it should still fix some issue Is it possible to call all parameterless methods for a given class object by using reflection in Ruby?
code :
def call_paramater_less_methods(instance)
   instance.class.instance_methods(false).each do |m|
     instance.public_send(m) if instance.method(m).arity.zero?
   end
end

class C
  def a()  puts "a says hi"   end
  def b()  puts "b says ho"   end
  def c(s) puts "c says #{s}" end
end

call_paramater_less_methods(C.new)
  # b says ho
  # a says hi
instance.public_send(m) if instance.method(m).arity.zero?
instance.method(m).call if instance.method(m).arity.zero?
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