Merge branch 'dostonnabotov:main' into frameworks-frontend

Author: ACR1209

snippets/cpp/vector-manipulation.md/filter.md

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+---
+Title: Filter
+Description: Filters a vector using a predicate function.
+Author: majvax
+Tags: array,filter,c++23
+---
+
+```cpp
+#include <ranges>
+#include <vector>
+
+template <typename T, typename P>
+auto filter(const std::vector<T>& vec, P&& predicate) {
+    return vec
+        | std::views::filter(std::forward<P>(predicate))
+        | std::ranges::to<std::vector<T>>();
+}
+
+
+
+// Usage:
+std::vector<int> vec = {1, 2, 3, 4, 5};
+std::vector<int> filtered = filter(vec, [](int i){ return i % 2 == 0; });
+// filtered contains 2 and 4
+```

snippets/cpp/vector-manipulation.md/remove-duplicates.md

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+---
+title: Remove duplicates
+description: Removes duplicates from an vector of ints
+author: AnkushRoy-code
+tags: vector,remove,duplicate
+contributor: majvax
+---
+
+```cpp
+#include <algorithm>
+#include <vector>
+
+bool removeDuplicates(std::vector<int> &input) noexcept {
+    if (input.empty()) return false;
+    const auto size = input.size();
+    std::sort(input.begin(), input.end());
+
+    auto last = std::unique(input.begin(), input.end()); // remove duplicates
+    input.erase(last, input.end()); // resize vector and delete the undefined elements
+
+    return size != input.size();
+}
+
+
+
+// Usage:
+std::vector<int> vec = {4, 2, 2, 8, 5, 6, 9, 9, 9, 8, 8, 4};
+removeDuplicates(vec); // returns {2, 4, 5, 6, 8, 9}
+```

snippets/cpp/vector-manipulation.md/remove-n-occurences.md

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+---
+title: Remove n Occurences
+description: Removes duplicates from an vector of ints
+author: AnkushRoy-code
+tags: vector,remove
+contributor: majvax
+---
+
+```cpp
+#include <algorithm>
+#include <unordered_map>
+#include <vector>
+
+bool removeOccurrences(std::vector<int>& vec, const unsigned int n) noexcept {
+    if (vec.empty() || n == 0) return false;
+
+    const auto size = vec.size();
+    std::unordered_map<int, int> frequency; // count frequencies
+    for (int num : vec) {
+        frequency[num]++;
+    }
+
+    vec.erase( // remove elements with n number of occurrences
+        std::remove_if(vec.begin(), vec.end(), [&frequency, n](const int x) {
+            return frequency[x] == n;
+        }),
+        vec.end()
+    );
+    return size != vec.size();
+}
+
+
+
+// Usage:
+std::vector<int> vec = {4, 2, 4, 8, 5, 6, 8, 8, 4, 3 };
+
+int n = 3; // Remove elements that occur exactly 3 times
+removeOccurrences(vec, n); // returns {2, 5, 6, 3}
+```

snippets/cpp/vector-manipulation.md/transform.md

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+---
+Title: Transform
+Description: Transforms a vector using a function.
+Author: majvax
+Tags: array,transform,c++23
+---
+
+```cpp
+#include <ranges>
+#include <vector>
+
+template <typename T, typename F>
+auto transform(const std::vector<T>& vec, F&& transformer) {
+    using U = std::invoke_result_t<F, T>;
+    return vec
+        | std::views::transform(std::forward<F>(transformer))
+        | std::ranges::to<std::vector<U>>();
+}
+
+
+
+// Usage:
+std::vector<int> vec = {1, 2, 3, 4, 5};
+std::vector<int> transformed = transform(vec, [](int i){ return i * 2; });
+// transformed contains 2, 4, 6, 8, 10
+```

snippets/css/effects/rgb-border-color-animation.md

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+---
+title: RGB Border Color Animation
+description: changes border of an Element to rgb onhover (Can be changed)'
+author: Brianali-codes
+tags: animation,effects,borders
+---
+
+```css
+.yourElement {
+    /* Your Elements styles go here*/
+    border-style: solid;
+    border-radius: 10px;
+    color: rgb(0, 0, 0);
+
+}
+.yourElement:hover {
+
+    animation: change-color;
+    animation-duration: 0.5s;         /* you can alter the duration of the animation here. */
+    animation-iteration-count: infinite;         /* Choose to play animation infinitely or once on hover. */
+}
+
+@keyframes change-color {
+    0% {
+        border-color: red;
+    }
+
+    50% {
+        border-color: green;
+    }
+
+    100% {
+        border-color: blue;
+    }
+}
+
+
+```