Merge branch 'master' into contrib

Binary-Search-c++/binarysearch_basic.cpp

@@ -0,0 +1,44 @@
+#include<bits/stdc++.h>
+
+using namespace std;
+
+int main()
+{
+	int n, i, arr[50], el, low, high, mid;
+	cout << "Enter size of list:";
+	cin >> n;
+	cout << "Enter elements :";
+	for (i=0; i<n; i++)
+	{
+		cin >> arr[i];
+	}
+	cout << "Enter element to be searched:";
+	cin >> el;
+	low = 0;
+	high = n-1;
+	mid = (low+high)/2;
+	while (low <= high)
+	{
+		if(arr[mid] < el)
+		{
+			low = mid + 1;
+
+		}
+		else if(arr[mid] == el)
+		{
+			cout << el <<" found at location " << mid <<"\n";
+			break;
+		}
+		else
+		{
+			 high = mid - 1;
+		}
+		mid = (low + high)/2;
+	}
+	if(low > high)
+	{
+		cout << "Not found! " << el << " is not present in the list.";
+	}
+
+	return 0;
+}

CONTRIBUTORS.md

@@ -1718,3 +1718,15 @@ Place: Italy
 About: Junior Software Engineer
 Programming Language: C, C++, Java, C#, Python, Scala
 Email: [email protected]
+
+Name : Rahul Mishra
+Place : Noida(India)
+About : B.Tech(CSE) student
+Programming Language : C
+Email : [email protected]
+
+Name : [Trishla Verma](https://github.com/trishla08)<br/>
+Place : New Delhi , India <br/>
+About : Coding Enthusiast | Computer Engineering Student
+Programming Languages : C, C++, Java, Javascript
+Email : [email protected]

CommonjsinterviewQuestions/app.js

@@ -0,0 +1,36 @@
+
+/* I will add here every day one or two common js interview questions and there respective answers which would 
+    help u gain confidence and also to ace or hone up your JS skills
+*/
+let obj = {
+    a:5,
+    b:function(){
+        console.log(this.a);
+    },
+    c:()=>{
+        console.log(this.a);
+    }
+};
+
+let f1 = obj.b;
+let f2 = obj.c;
+f1();
+f2();
+
+obj.b();
+obj.c();
+
+
+//So, answer of this above four function calling will be as follows with their explanation =>
+
+f1() // this will print "undefined" as in after obj.b, f1 is now referencing global object window not object obj
+       // this.a will print undefined as with window object there is no a property defined. 
+f2() // this will also print "undefined" as in arrow functions "this" will refer  "this" of surrounding scope
+     // as in arrow function "this" doesn't not get bind so if we want to know the value of this we should see
+     // the this just above the line we have start declaring our arrow function.Hence here "this" is referring to 
+     // window object that's why it doesn't has any 'a' property defined with it.
+
+obj.b() // here it will print '5' as in regular function calling b method will get bind to object left of dot
+
+obj.c() // here also it will print "undefined" as in arrow function this doesn't get bind and it will see "this" of surrounding scope 
+        // which is referring to window object and that object not have any 'a' property defined with it