added odd even number check

public/consolidated/cpp.json

@@ -49,12 +49,37 @@
                 ],
                 "contributors": [],
                 "code": "bool is_prime(int n) {\n    if (n < 2) return false;\n    if (n == 2 || n == 3) return true;\n    if (n % 2 == 0) return false;\n    for (int i = 3; i * i <= n; i += 2) {\n        if (n % i == 0) return false;\n    }\n    return true;\n}\n\n// Usage\n#include <iostream>\n\nint main() {\n    std::cout << is_prime(29) << std::endl; // Output: 1\n    return 0;\n}\n"
+            },
+            {
+                "title": "Even-Odd Check",
+                "description": "This code demonstrates the fastest way to check if a number is even or odd using bitwise operations. It's more efficient than using the modulor operator (%) since bitwise operations are performed at the CPU level.",
+                "author": "Beast177 ",
+                "tags": [
+                    "cpp",
+                    "number",
+                    "even",
+                    "odd",
+                    "bitwise"
+                ],
+                "contributors": [],
+                "code": "\nbool isEven(int num) {\n    return !(num & 1);\n}\n\n// usage -- [odd-even]\n\n#include <iostream>\n\nint main(){\n\n    int num1 = 2;\n    int num2 = 3;\n\n    std::cout << num1 << \" is \" << (isEven(num1) ? \"Even\" : \"Odd\") << \"\\n\"; // output - [Even] \n    std::cout << num2 << \" is \" << (isEven(num2) ? \"Even\" : \"Odd\") << \"\\n\"; // output - [Odd]\n}\n\n"
             }
         ]
     },
     {
         "categoryName": "String Manipulation",
         "snippets": [
+            {
+                "title": "Count Occurrences",
+                "description": "Counts occurrences of a substring, uses modern C++ 20",
+                "author": "beast177",
+                "tags": [
+                    "cpp",
+                    "string"
+                ],
+                "contributors": [],
+                "code": "#include <iostream>\n#include <string>\n#include <string_view>\n\nstatic size_t countOccurrences(std::string_view text, std::string_view substr) {\n        size_t count = 0;\n        size_t pos = 0;\n        while ((pos = text.find(substr, pos)) != std::string_view::npos) {\n            ++count;\n            pos += substr.length();\n        }\n        return count;\n}\n\n// use case --\n\nint main(){\n    // Count and replace\n    std::string text = \"Hello, world\";\n\n    auto count = countOccurrences(text, \"l\");\n    std::cout << std::format(\"Count of 'l': {}\\n\", count); // output -> Count of 'l' : 3\n}\n"
+            },
             {
                 "title": "Reverse String",
                 "description": "Reverses the characters in a string.",

snippets/cpp/math-and-numbers/odd-even-check.md

@@ -0,0 +1,28 @@
+---
+title: Even-Odd Check
+description: This code demonstrates the fastest way to check if a number is even or odd using bitwise operations. It's more efficient than using the modulor operator (%) since bitwise operations are performed at the CPU level.
+tags: cpp, number, even, odd, bitwise
+author: Beast177 
+---
+
+```cpp
+
+bool isEven(int num) {
+    return !(num & 1);
+}
+
+// usage -- [odd-even]
+
+#include <iostream>
+
+int main(){
+
+    int num1 = 2;
+    int num2 = 3;
+
+    std::cout << num1 << " is " << (isEven(num1) ? "Even" : "Odd") << "\n"; // output - [Even] 
+    std::cout << num2 << " is " << (isEven(num2) ? "Even" : "Odd") << "\n"; // output - [Odd]
+}
+
+```
+

snippets/cpp/string-manipulation/count-occurrences.md

@@ -0,0 +1,32 @@
+---
+title: Count Occurrences
+description: Counts occurrences of a substring, uses modern C++ 20
+author: beast177
+tags: cpp,string
+---
+
+```cpp
+#include <iostream>
+#include <string>
+#include <string_view>
+
+static size_t countOccurrences(std::string_view text, std::string_view substr) {
+        size_t count = 0;
+        size_t pos = 0;
+        while ((pos = text.find(substr, pos)) != std::string_view::npos) {
+            ++count;
+            pos += substr.length();
+        }
+        return count;
+}
+
+// use case --
+
+int main(){
+    // Count and replace
+    std::string text = "Hello, world";
+
+    auto count = countOccurrences(text, "l");
+    std::cout << std::format("Count of 'l': {}\n", count); // output -> Count of 'l' : 3
+}
+```