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Call() method fails to generate output in javascript


Call() method fails to generate output in javascript

By : user2185560
Date : November 22 2020, 04:01 AM
around this issue bind and call (or apply) are not really alternatives for the same thing. bind returns a function, while call executes a function. The only thing they have in common is that they allow to specify what this should be. But in your actual case the value of this is not used, so that common part is not relevant.
In your working code the bind method is used to create a curried function on-the-fly, i.e. it creates a new function that takes one argument less, since the first argument is fixed to be the value 1. This is called currying.
code :
// Create this additional function, which returns a function(!) with one less argument.
var curriedCheckPastLimit = function (limiter) {
    return function(item) {
        return checkPastLimit(limiter, item);
    }
}

var arr4 = mapForEach(arr1, curriedCheckPastLimit(1)); // No more bind!
var arr4 = mapForEach(arr1, item => checkPastLimit(1, item));
var arr4 = arr1.map(item => checkPastLimit(1, item));


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Does g++ still generate an output file even if the program fails to compile/load?

Does g++ still generate an output file even if the program fails to compile/load?


By : MrJeos
Date : March 29 2020, 07:55 AM
hop of those help? The answer to your title's question ("Does g++ still generate an output file even if the program fails to compile/load?") is no:
code :
% echo blah > test.cpp
% g++ -o out test.cpp
test.cpp:1: error: expected constructor, destructor, or type conversion at end of input
% ls *out*
/bin/ls: *out*: No such file or directory
%
Generate javascript method call code with ClojureScript macro?

Generate javascript method call code with ClojureScript macro?


By : Cordell Cahill
Date : March 29 2020, 07:55 AM
I wish this help you Remember that javascript objects are also associative hashes, so something like this should work without resorting to macros (untested)....
code :
(def method-names ["requestAnimationFrame"
                   "webkitRequestAnimationFrame"
                   "mozRequestAnimationFrame"
                   "oRequestAnimationFrame" 
                   "msRequestAnimationFrame"])

(defn animationFrameMethod []
  (let [window (dom/getWindow)
        options (map (fn [n] #(aget window n)) method-names)]
    ((fn [[current & remaining]]
       (cond
        (nil? current) #((.-setTimeout window) % (/ 1000 30))
        (fn? (current)) (current)
        :else (recur remaining)))
     options)))
javascript object method fails to assign ajax call response

javascript object method fails to assign ajax call response


By : Nick Zax
Date : March 29 2020, 07:55 AM
I wish this helpful for you You need to set the context parameter in your ajax call to your object in order to use it in the ajax callbacks.
code :
    $.ajax({
        type: "GET",
        dataType: "json",
        context: this,
        url: "../php/client/json.php",
        data: {
            type: "users"
        }
    }).done(function(response) {
        this.initialised = true;
        this.users = response;
    });
$.ajax({
  url: "test.html",
  context: document.body
}).done(function() {
  $(this).addClass("done");
});
Dart JavaScript output fails with: method not found: 'new ToDos:1:0' Receiver: Instance of 'JsClassMirror'

Dart JavaScript output fails with: method not found: 'new ToDos:1:0' Receiver: Instance of 'JsClassMirror'


By : Jake McConnell
Date : March 29 2020, 07:55 AM
wish help you to fix your issue Solution
Turns out that dart2js has problems with mirrored calls on Methods/Constructors which have optional positional Arguments. So changing
code :
class ToDos {
   Sandbox _sandbox;
   ToDos([Sandbox this._sandbox]);
}
class ToDos {
   Sandbox _sandbox;
   ToDos(Sandbox this._sandbox); //make the argument non-optional
}
Javascript call() method not generating expected output

Javascript call() method not generating expected output


By : bond
Date : March 29 2020, 07:55 AM
I wish this helpful for you What environment are you doing these tests in? window is a host object that acts as the global object in all browsers. You can't override it with a variable in the global context.
So when you call to window you are calling to the global object which has no num1 or num2 properties attached to it. If you did
code :
var num1 = 10, num2 = 20;
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