Updating all snippets to new guidelines

Author: Mathys-Gasnier

snippets/c/basics/hello-world.md

@@ -2,7 +2,7 @@
 title: Hello, World!
 description: Prints Hello, World! to the terminal.
 author: 0xHouss
-tags: c,printing,hello-world,utility
+tags: printing,hello-world
 ---
 
 ```c

snippets/c/mathematical-functions/factorial-function.md

@@ -2,7 +2,7 @@
 title: Factorial Function
 description: Calculates the factorial of a number.
 author: 0xHouss
-tags: c,math,factorial,utility
+tags: math,factorial
 ---
 
 ```c
@@ -14,4 +14,7 @@ int factorial(int x) {
 
   return y;
 }
+
+// Usage:
+factorial(4); // Returns: 24
 ```

snippets/c/mathematical-functions/power-function.md

@@ -2,7 +2,7 @@
 title: Hello, World!
 description: Prints Hello, World! to the terminal.
 author: James-Beans
-tags: cpp,printing,hello-world,utility
+tags: printing,hello-world
 ---
 
 ```cpp

snippets/cpp/basics/hello-world.md

@@ -1,7 +1,7 @@
 ---
 title: Vector to Queue
 description: Convert vector into queue quickly
-tags: cpp, data structures,queue,vector
+tags: data structures,queue,vector
 author: mrityunjay2003
 ---
 
@@ -13,4 +13,7 @@ author: mrityunjay2003
 std::queue<int> vectorToQueue(const std::vector<int>& v) {
     return std::queue<int>(std::deque<int>(v.begin(), v.end()));
 }
-```
+
+std::vector<int> vec = { 1, 2, 3, 4, 5 };
+vectorToQueue(&vec); // Returns: std::queue<int> { 1, 2, 3, 4, 5 }
+```

snippets/cpp/data-structure-conversion/vector-to-queue.md

@@ -1,7 +1,7 @@
 ---
 title: Check Prime Number
 description: Check if an integer is a prime number
-tags: cpp, number, prime
+tags: number, prime
 author: MihneaMoso
 ---
 
@@ -16,11 +16,6 @@ bool is_prime(int n) {
     return true;
 }
 
-// Usage
-#include <iostream>
-
-int main() {
-    std::cout << is_prime(29) << std::endl; // Output: 1
-    return 0;
-}
+// Usage:
+is_prime(29); // Returns: true
 ```

snippets/cpp/math-and-numbers/check-prime.md

@@ -2,7 +2,7 @@
 title: Reverse String
 description: Reverses the characters in a string.
 author: Vaibhav-kesarwani
-tags: cpp,array,reverse,utility
+tags: array,reverse
 ---
 
 ```cpp
@@ -14,4 +14,6 @@ std::string reverseString(const std::string& input) {
     std::reverse(reversed.begin(), reversed.end());
     return reversed;
 }
+
+reverseString("quicksnip"); // Returns: "pinskciuq"
 ```

snippets/cpp/string-manipulation/reverse-string.md

@@ -2,7 +2,7 @@
 title: Split String
 description: Splits a string by a delimiter
 author: saminjay
-tags: cpp,string,split,utility
+tags: string,split
 ---
 
 ```cpp
@@ -20,4 +20,7 @@ std::vector<std::string> split_string(std::string str, std::string delim) {
     }
     return splits;
 }
+
+// Usage:
+split_string("quick_-snip", "_-"); // Returns: std::vector<std::string> { "quick", "snip" }
 ```

snippets/cpp/string-manipulation/split-string.md

@@ -2,13 +2,13 @@
 title: Hello, World!
 description: Prints Hello, World! to the terminal.
 author: chaitanya-jvnm
-tags: c#,printing,hello-world,utility
+tags: printing,hello-world
 ---
 
-```c#
+```csharp
 public class Program {
   public static void Main(string[] args) {
     System.Console.WriteLine("Hello, World!");
   }
 }
-```
+```

snippets/csharp/basics/hello-world.md

@@ -2,11 +2,14 @@
 title: Generate GUID
 description: Generates a new GUID
 author: chaitanya-jvnm
-tags: c#,guid,generate,utility
+tags: guid,generate
 ---
 
-```c#
+```csharp
 public static string GenerateGuid() {
   return Guid.NewGuid().ToString();
 }
-```
+
+// Usage:
+GenerateGuid(); // Returns: 1c4c38d8-64e4-431b-884a-c6eec2ab02cd (Uuid is random)
+```