Merge branch 'master' into my-new-branch

Contributors.html

@@ -133,6 +133,7 @@
       <!-- Add to the bottom of the list -->
 
       <a class="box-item" href="https://github.com/fineanmol"><span>Anmol Agarwal</span></a>
+      <a class="box-item" href="https://github.com/tushar-bht"><span>Tushar Bhatt</span></a>
       <a class="box-item" href="https://github.com/Amitava123"><span>Amitava Mitra</span></a>
       <a class="box-item" href="https://github.com/philson-philip"><span>Philson Philip</span></a>
       <a class="box-item" href="https://github.com/SHIV1003"><span>Shivam Goyal</span></a>
@@ -444,7 +445,10 @@
       <a class="box-item" href="https://github.com/sunankles"><span>Sunankles</span></a>
       <a class="box-item" href="https://github.com/Ibb-uth"><span>Ibraheem Uthman</span></a>
       <a class="box-item" href="https://github.com/dennisjonda"><span>Dennis Jonda</span></a>
-      <a class="box-item" href="https://github.com/volicar"><span>Vinicius Olicar</span></a>
+      <a class="box-item" href="https://github.com/Aakashmau"><span>Aakash Maurya</span></a>
+    <a class="box-item" href="https://github.com/volicar"><span>Vinicius Olicar</span></a>
+
+
       <!-- Please maintain the alignment... -->
 
 

Program's_Contributed_By_Contributors/C++_Programs/addZeroToFirstIndex.cpp

@@ -0,0 +1,20 @@
+#include <iostream>
+#include <vector>
+using namespace std;
+
+void shift(vector<int>& array);
+
+int main() {
+	vector<int> arr = {1,0,4,3};
+	shift(arr);
+	for (int j = 0; j < arr.size(); j++) {
+		cout << arr[j] << " ";
+	}
+	cout << endl;
+}
+void shift(vector<int>& array) {
+	for (int i = array.size() - 2; i >= 1; i--) {
+		array[i+1] = array[i];
+	}
+	array[1] = 0;
+}

Program's_Contributed_By_Contributors/Python_Programs/Color_Detection.py

@@ -46,7 +46,7 @@ def draw_function(event, x,y,flags,param):
 cv2.namedWindow('image')
 cv2.setMouseCallback('image',draw_function)
 
-while(1):
+while(1):  # while loop execution stops when condition is false.
 
     cv2.imshow("image",img)
     if (clicked):

Program's_Contributed_By_Contributors/Rust_Programs/default-args.rs

@@ -0,0 +1,28 @@
+// Source: https://www.sudipg.com.np/posts/default-argument-rust-using-macro/#-solution
+
+macro_rules! print_this {
+    ($a: expr) => {
+        print_this_raw($a, 0, 0);
+    };
+    ($a: expr, $b: expr) => {
+        print_this_raw($a, $b, 0);
+    };
+    ($a: expr, $b: expr, $c: expr) => {
+        print_this_raw($a, $b, $c);
+    };
+}
+
+fn print_this_raw(a: i32, b: i32, c: i32) {
+    println!("a = {} >> b = {} >> c = {}", a, b, c);
+}
+
+fn main() {
+    // a = 10, b = 0, c = 0
+    print_this!(10);
+
+    // a = 10, b = 20, c = 0
+    print_this!(10, 20);
+
+    // a = 10, b = 20, c = 30
+    print_this!(10, 20, 30);
+}

README.md

@@ -87,6 +87,11 @@ This will give you any eventual conflicts and allow you to easily solve them in
 
 For more information on syncing forks [read this article from Github](https://help.github.com/articles/syncing-a-fork/).
 
+## Swags of Hacktoberfest:
+- Many of the candidates get attracted towards hacktoberfest to get swags . So, after 4 successfully merged pull request as for 2021 you will be eligible to get a Hacktoberfest T-shirt and Some stickers on your doorstep.
+
+     <li><B><p><img src="https://miro.medium.com/max/1050/1*4JctIO7irt8hFxBmTvUpiQ.jpeg" width="400" height="225" style="width: 400px; height: 225px;" alt="tshirt image"></a></p><p><img src="https://miro.medium.com/max/1050/1*jkffr74bq5RsQ_xqDhgqYQ.jpeg" width="400" height="225" style="width: 400px; height: 225px;" alt="stickers image"></p>
+</b></li>
 
 # FAQs 
 

css/footer.css

@@ -14,7 +14,7 @@
   height: 25px;
 }
 .footer-icon {
-  color: #ff0844;
+  color: #ff229b;
 }
 #footer h3 span:hover {
   cursor: pointer;
@@ -23,6 +23,7 @@
 .hacktoberfest-image {
   display: flex;
   justify-content: center;
+  flex-wrap: wrap;
   margin-bottom: 80px;
 }
 #backToTop {