Updated: Friday, September 01,2023-09-01 08:04:15

enter/.obsidian/plugins/recent-files-obsidian/data.json

@@ -1,5 +1,13 @@
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@@ -9,8 +17,8 @@
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@@ -191,14 +199,6 @@
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@@ -73,7 +86,7 @@
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+    "Coding Tips (Classical)/Terminal Tips/GUIs/Games/Neopets.md",
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enter/Coding Tips (Classical)/Terminal Tips/GUIs/Games/Neopets.md

@@ -3,7 +3,7 @@
 Ah, [neopets.com ](https://www.neopets.com/home/). The game of my youth. I spent so many hours, days, weeks, & years into this game. Now that I finally have my account back after so many years, the nostalgia is overwhelming. It truly was an excellent website. I never really got into club penguin or the other ones, but for me it was definitely Neopets. 
 
 
-Other links: 
+#### Other links: 
 - Making those [cute linked buttons](https://www.sketchedneo.com/button-maker/) at the end of websites 
 - Other [neopets site customization](https://www.sketchedneo.com/neopets-graphics/) freebies
 - Neopets-dedicated websites 

enter/Coding Tips (Classical)/Terminal Tips/Languages/C++.md

@@ -0,0 +1,112 @@
+# C++
+
+C++ is one of the most used languages out there for writing low-level code. There are various applications and projects based off of C++. 
+
+- A URL shortener in C++ 
+	-   [gist](https://gist.github.com/jaytaylor/a11fadf61a869ade0dfe568606b216c8#file-base64-url-shortener-poc-cpp)  
+```c++
+/**
+ * URL shortener Base-62 encoder / decoder C++ Proof-of-Concept.
+ *
+ * Created as a resource for https://stackoverflow.com/a/742047/293064.
+ *
+ * How to compile:
+ *
+ *     g++ -o base64-url-shortener-poc base64-url-shortener-poc.cpp
+ *
+ * Usage:
+ *
+ *     ./base64-url-shortener-poc [ID]
+ *
+ * Example output:
+ *
+ *     Input ID: 99592
+ *     ---
+ *     Generated short URL: z4u
+ *     ID decoded from URL: 99592
+ *
+ * @author Jay Taylor <outtatime@gmail.com>
+ *
+ * @date 2019-07-08
+ *
+ */
+
+#include <iostream>
+#include <algorithm>
+#include <string>
+#include <cstdlib>
+
+using namespace std;
+
+/**
+ * id_to_short_url takes an input ID and produces a short URL suffix.
+ *
+ * Base-62 encodes the identifier.
+ */
+string id_to_short_url(unsigned int n) {
+    // Mapping which defines the 62 possible output characters.
+    char map[] = "abcdefghijklmnopqrstuvwxyzABCDEF"
+                 "GHIJKLMNOPQRSTUVWXYZ0123456789";
+
+    string short_url;
+
+    // Convert given ID to a base-62 number.
+    while (n) {
+        // Append each character mapped by the remainder.
+        short_url.push_back(map[n % 62]);
+        n /= 62;
+    }
+
+    // Reverse the string to complete the base conversion.
+    reverse(short_url.begin(), short_url.end());
+
+    return short_url;
+}
+
+/**
+ * short_url_to_id converts a short URL into the corresponding ID.
+ *
+ * Base-62 decodes the input string.
+ */
+unsigned int short_url_to_id(string short_url) {
+    unsigned int id = 0;
+
+    // Base decode conversion logic.
+    for (int i = 0; i < short_url.length(); ++i) {
+        if ('a' <= short_url[i] && short_url[i] <= 'z') {
+            id = id * 62 + short_url[i] - 'a';
+        }
+        if ('A' <= short_url[i] && short_url[i] <= 'Z') {
+            id = id * 62 + short_url[i] - 'A' + 26;
+        }
+        if ('0' <= short_url[i] && short_url[i] <= '9') {
+            id = id * 62 + short_url[i] - '0' + 52;
+        }
+    }
+    return id;
+}
+
+int main(int argc, char** argv) {
+    if (argc == 1) {
+        cerr << "error: missing required parameter: id" << endl;
+        return 1;
+    }
+
+    unsigned int n = atoi(argv[1]);
+
+    if (n <= 0) {
+        cerr << "error: invalid input value, an integer greater than 0 is required" << endl;
+        return 1;
+    }
+
+    cout << "Input ID: " << n << endl << "---" << endl;
+
+    string encoded_short_url = id_to_short_url(n);
+    unsigned int decoded_id = short_url_to_id(encoded_short_url);
+
+    cout << "Generated short URL: " << encoded_short_url << endl;
+    cout << "ID decoded from URL: " << decoded_id << endl;
+    return 0;
+}
+```
+