Modifying the C++ post

Author: devplayer55221

content/post/cplusplus-coding.md

@@ -1,8 +1,8 @@
 +++
 author = "mukund"
-title = "C++ Working"
+title = "Learning C++"
 date = "2025-05-11"
-description = "C++ Working"
+description = "Learning C++"
 tags = [
     "c++",
 ]
@@ -42,7 +42,7 @@ A <mark>build.sh</mark> file is created that contains the cmake command to confi
 cmake -G "CodeLite - Unix Makefiles" -DCMAKE_BUILD_TYPE=Debug
 ```
 
-### In a C program
+### Compiler and Linker
 
 There is a <mark>preprocessor</mark> statement `#include <iostream>`. Any line starting with a `#` would be a preprocessor statement. The <mark>include</mark> preprocessor will copy all the contents of the mentioned file (here iostream) directly into our program file. The preprocessor statement is executed before the compilation starts. Only `.cpp` files are compiled. The `.cpp` files are compiled into `.obj` files.
 
@@ -64,6 +64,21 @@ If we define a function inside a header file, and then include the same header f
 
 > We can use `static` keyword while declaring the function in the header file. It will mean that the linking to the static function will be internal to the file calling it and separate files will have there own separate versions of that function declared as static.
 
+### Some other preprocessor directives...
+
+```
+#pragma once
+```
+- Prevents the header file from loading multiple times in a single `.cpp` file.
+
+```
+#ifndef _LOG_H
+```
+- Means <mark>execute below statements if `_LOG_H` is not defined</mark>.
+- We can define `_LOG_H` using the <mark>define</mark> preprocessor.
+
+---
+
 ### References
 
 - [TheCherno - Youtube](https://www.youtube.com/@TheCherno)

content/post/cplusplus-working.md renamed to content/post/learning-c++.md

@@ -159,21 +159,12 @@
       class="prose prose-neutral dark:prose-invert relative mx-auto min-h-[calc(100vh-9rem)] max-w-(--w) px-8 pt-14 pb-16"
     >
 
-<section class="relative my-10 first-of-type:mt-0 last-of-type:mb-0"><h2 class="my-0!">Coding in C&#43;&#43;</h2>
-  <time class="text-xs antialiased opacity-60"
-    >May 12, 2025</time
-  >
-  <a class="absolute inset-0 text-[0px]" href="http://localhost:1313/post/cplusplus-coding/"
-    >Coding in C&#43;&#43;</a
-  >
-</section>
-
-<section class="relative my-10 first-of-type:mt-0 last-of-type:mb-0"><h2 class="my-0!">C&#43;&#43; Working</h2>
+<section class="relative my-10 first-of-type:mt-0 last-of-type:mb-0"><h2 class="my-0!">Learning C&#43;&#43;</h2>
   <time class="text-xs antialiased opacity-60"
     >May 11, 2025</time
   >
-  <a class="absolute inset-0 text-[0px]" href="http://localhost:1313/post/cplusplus-working/"
-    >C&#43;&#43; Working</a
+  <a class="absolute inset-0 text-[0px]" href="http://localhost:1313/post/learning-c&#43;&#43;/"
+    >Learning C&#43;&#43;</a
   >
 </section>
 
@@ -247,6 +238,15 @@
   <a class="absolute inset-0 text-[0px]" href="http://localhost:1313/post/modsecurity-xss/"
     >XSS bypassing ModSecurity WAF</a
   >
+</section>
+
+<section class="relative my-10 first-of-type:mt-0 last-of-type:mb-0"><h2 class="my-0!">Decoding Digital Personal Data Protection Act For Organizations</h2>
+  <time class="text-xs antialiased opacity-60"
+    >Oct 17, 2023</time
+  >
+  <a class="absolute inset-0 text-[0px]" href="http://localhost:1313/post/decoding-dpda/"
+    >Decoding Digital Personal Data Protection Act For Organizations</a
+  >
 </section><nav class="mt-14 flex"><a class="btn not-prose ml-auto" href="/page/2/"
     >Next Page→</a
   ></nav></main><footer

public/index.html

@@ -6,20 +6,13 @@
     <description>Recent content on devplayer55221</description>
     <generator>Hugo -- gohugo.io</generator>
     <language>en-us</language>
-    <lastBuildDate>Mon, 12 May 2025 00:00:00 +0000</lastBuildDate>
+    <lastBuildDate>Sun, 11 May 2025 00:00:00 +0000</lastBuildDate>
     <atom:link href="http://localhost:1313/index.xml" rel="self" type="application/rss+xml" />
     <item>
-      <title>Coding in C&#43;&#43;</title>
-      <link>http://localhost:1313/post/cplusplus-coding/</link>
-      <pubDate>Mon, 12 May 2025 00:00:00 +0000</pubDate>
-      <guid>http://localhost:1313/post/cplusplus-coding/</guid>
-      <description>#pragma once This code prevents the header file from loading multiple times in a single .cpp file.&#xA;#ifndef _LOG_H This code means &amp;rsquo;execute below statements if _LOG_H is not defined&#39;.</description>
-    </item>
-    <item>
-      <title>C&#43;&#43; Working</title>
-      <link>http://localhost:1313/post/cplusplus-working/</link>
+      <title>Learning C&#43;&#43;</title>
+      <link>http://localhost:1313/post/learning-c&#43;&#43;/</link>
       <pubDate>Sun, 11 May 2025 00:00:00 +0000</pubDate>
-      <guid>http://localhost:1313/post/cplusplus-working/</guid>
+      <guid>http://localhost:1313/post/learning-c&#43;&#43;/</guid>
       <description>I was just learning about the C++ fundamentals from The Cherno C++ playlist and thought of making notes on it. Added reference at the bottom.&#xA;What’s cmake? CMake is an open-source, cross-platform build system generator. It doesn’t build software directly—it generates build files (like Makefiles, Ninja build files, or Visual Studio project files) based on the instructions present in CMakeLists.txt.&#xA;cmake_minimum_required (VERSION 3.5) project (HelloWorld) set (CMAKE_CXX_FLAGS &amp;#34;${CMAKE_CXX_FLAGS} -Wall -Werror -std=c++14&amp;#34;) set (source_dir &amp;#34;${PROJECT_SOURCE_DIR}/src/&amp;#34;) file(GLOB source_files &amp;#34;${source_dir}/*.</description>
     </item>
     <item>

public/index.xml

@@ -159,15 +159,6 @@
       class="prose prose-neutral dark:prose-invert relative mx-auto min-h-[calc(100vh-9rem)] max-w-(--w) px-8 pt-14 pb-16"
     >
 
-<section class="relative my-10 first-of-type:mt-0 last-of-type:mb-0"><h2 class="my-0!">Decoding Digital Personal Data Protection Act For Organizations</h2>
-  <time class="text-xs antialiased opacity-60"
-    >Oct 17, 2023</time
-  >
-  <a class="absolute inset-0 text-[0px]" href="http://localhost:1313/post/decoding-dpda/"
-    >Decoding Digital Personal Data Protection Act For Organizations</a
-  >
-</section>
-
 <section class="relative my-10 first-of-type:mt-0 last-of-type:mb-0"><h2 class="my-0!">HackTheBox Business CTF 2023 – Crypto</h2>
   <time class="text-xs antialiased opacity-60"
     >Jul 26, 2023</time

public/page/2/index.html

@@ -181,8 +181,8 @@ <h1 class="my-0! pb-2.5">Writing a Burp Extension to Bypass Checksum</h1><div cl
       >web</a
     ></footer><nav
     class="mt-24 flex overflow-hidden rounded-xl bg-black/[3%] text-lg leading-[1.2]! *:flex *:w-1/2 *:items-center *:p-5 *:font-medium *:no-underline dark:bg-white/[8%] [&>*:hover]:bg-black/[2%] dark:[&>*:hover]:bg-white/[3%]"
-  ><a class="ltr:pr-3 rtl:pl-3" href="http://localhost:1313/post/cplusplus-working/"
-      ><span class="ltr:mr-1.5 rtl:ml-1.5">←</span><span>C&#43;&#43; Working</span></a
+  ><a class="ltr:pr-3 rtl:pl-3" href="http://localhost:1313/post/learning-c&#43;&#43;/"
+      ><span class="ltr:mr-1.5 rtl:ml-1.5">←</span><span>Learning C&#43;&#43;</span></a
     ><a
       class="justify-end pl-3 ltr:ml-auto rtl:mr-auto"
       href="http://localhost:1313/post/stream-cipher/"

public/post/burp-ext-checksum/index.html

@@ -20,7 +20,7 @@
   />
 
 
-  <title>Coding in C&#43;&#43; - devplayer55221</title>
+  <title>Learning C&#43;&#43; - 2 - devplayer55221</title>
 
 
   <meta name="theme-color" />
@@ -160,7 +160,7 @@
       class="prose prose-neutral dark:prose-invert relative mx-auto min-h-[calc(100vh-9rem)] max-w-(--w) px-8 pt-14 pb-16"
     ><article>
   <header class="mb-14">
-    <h1 class="my-0! pb-2.5">Coding in C&#43;&#43;</h1><div class="text-xs antialiased opacity-60"><time>May 12, 2025</time><span class="mx-1">&middot;</span>
+    <h1 class="my-0! pb-2.5">Learning C&#43;&#43; - 2</h1><div class="text-xs antialiased opacity-60"><time>May 12, 2025</time><span class="mx-1">&middot;</span>
       <span>mukund</span></div></header>
 
   <section><pre tabindex="0"><code>#pragma once
@@ -178,7 +178,7 @@ <h1 class="my-0! pb-2.5">Coding in C&#43;&#43;</h1><div class="text-xs antialias
   ><a
       class="justify-end pl-3 ltr:ml-auto rtl:mr-auto"
       href="http://localhost:1313/post/cplusplus-working/"
-      ><span>C&#43;&#43; Working</span><span class="ltr:ml-1.5 rtl:mr-1.5">→</span></a
+      ><span>Learning C&#43;&#43; - 1</span><span class="ltr:ml-1.5 rtl:mr-1.5">→</span></a
     ></nav></article></main><footer
   class="mx-auto flex h-[4.5rem] max-w-(--w) items-center px-8 text-xs tracking-wider uppercase opacity-60"
 >

public/post/cplusplus-coding/index.html

@@ -20,7 +20,7 @@
   />
 
 
-  <title>C&#43;&#43; Working - devplayer55221</title>
+  <title>Learning C&#43;&#43; - 1 - devplayer55221</title>
 
 
   <meta name="theme-color" />
@@ -161,7 +161,7 @@
       class="prose prose-neutral dark:prose-invert relative mx-auto min-h-[calc(100vh-9rem)] max-w-(--w) px-8 pt-14 pb-16"
     ><article>
   <header class="mb-14">
-    <h1 class="my-0! pb-2.5">C&#43;&#43; Working</h1><div class="text-xs antialiased opacity-60"><time>May 11, 2025</time><span class="mx-1">&middot;</span>
+    <h1 class="my-0! pb-2.5">Learning C&#43;&#43; - 1</h1><div class="text-xs antialiased opacity-60"><time>May 11, 2025</time><span class="mx-1">&middot;</span>
       <span>mukund</span></div></header>
 
   <section><p>I was just learning about the C++ fundamentals from <strong>The Cherno</strong> C++ playlist and thought of making notes on it. Added reference at the bottom.</p>
@@ -222,8 +222,8 @@ <h3 id="references">References</h3>
       >c&#43;&#43;</a
     ></footer><nav
     class="mt-24 flex overflow-hidden rounded-xl bg-black/[3%] text-lg leading-[1.2]! *:flex *:w-1/2 *:items-center *:p-5 *:font-medium *:no-underline dark:bg-white/[8%] [&>*:hover]:bg-black/[2%] dark:[&>*:hover]:bg-white/[3%]"
-  ><a class="ltr:pr-3 rtl:pl-3" href="http://localhost:1313/post/cplusplus-coding/"
-      ><span class="ltr:mr-1.5 rtl:ml-1.5">←</span><span>Coding in C&#43;&#43;</span></a
+  ><a class="ltr:pr-3 rtl:pl-3" href="http://localhost:1313/post/learning-c&#43;&#43;-2/"
+      ><span class="ltr:mr-1.5 rtl:ml-1.5">←</span><span>Learning C&#43;&#43; - 2</span></a
     ><a
       class="justify-end pl-3 ltr:ml-auto rtl:mr-auto"
       href="http://localhost:1313/post/burp-ext-checksum/"

public/post/cplusplus-working/index.html

@@ -159,21 +159,12 @@
       class="prose prose-neutral dark:prose-invert relative mx-auto min-h-[calc(100vh-9rem)] max-w-(--w) px-8 pt-14 pb-16"
     >
 
-<section class="relative my-10 first-of-type:mt-0 last-of-type:mb-0"><h2 class="my-0!">Coding in C&#43;&#43;</h2>
-  <time class="text-xs antialiased opacity-60"
-    >May 12, 2025</time
-  >
-  <a class="absolute inset-0 text-[0px]" href="http://localhost:1313/post/cplusplus-coding/"
-    >Coding in C&#43;&#43;</a
-  >
-</section>
-
-<section class="relative my-10 first-of-type:mt-0 last-of-type:mb-0"><h2 class="my-0!">C&#43;&#43; Working</h2>
+<section class="relative my-10 first-of-type:mt-0 last-of-type:mb-0"><h2 class="my-0!">Learning C&#43;&#43;</h2>
   <time class="text-xs antialiased opacity-60"
     >May 11, 2025</time
   >
-  <a class="absolute inset-0 text-[0px]" href="http://localhost:1313/post/cplusplus-working/"
-    >C&#43;&#43; Working</a
+  <a class="absolute inset-0 text-[0px]" href="http://localhost:1313/post/learning-c&#43;&#43;/"
+    >Learning C&#43;&#43;</a
   >
 </section>
 
@@ -247,6 +238,15 @@
   <a class="absolute inset-0 text-[0px]" href="http://localhost:1313/post/modsecurity-xss/"
     >XSS bypassing ModSecurity WAF</a
   >
+</section>
+
+<section class="relative my-10 first-of-type:mt-0 last-of-type:mb-0"><h2 class="my-0!">Decoding Digital Personal Data Protection Act For Organizations</h2>
+  <time class="text-xs antialiased opacity-60"
+    >Oct 17, 2023</time
+  >
+  <a class="absolute inset-0 text-[0px]" href="http://localhost:1313/post/decoding-dpda/"
+    >Decoding Digital Personal Data Protection Act For Organizations</a
+  >
 </section><nav class="mt-14 flex"><a class="btn not-prose ml-auto" href="/post/page/2/"
     >Next Page→</a
   ></nav></main><footer

public/post/index.html

@@ -6,20 +6,13 @@
     <description>Recent content in Posts on devplayer55221</description>
     <generator>Hugo -- gohugo.io</generator>
     <language>en-us</language>
-    <lastBuildDate>Mon, 12 May 2025 00:00:00 +0000</lastBuildDate>
+    <lastBuildDate>Sun, 11 May 2025 00:00:00 +0000</lastBuildDate>
     <atom:link href="http://localhost:1313/post/index.xml" rel="self" type="application/rss+xml" />
     <item>
-      <title>Coding in C&#43;&#43;</title>
-      <link>http://localhost:1313/post/cplusplus-coding/</link>
-      <pubDate>Mon, 12 May 2025 00:00:00 +0000</pubDate>
-      <guid>http://localhost:1313/post/cplusplus-coding/</guid>
-      <description></description>
-    </item>
-    <item>
-      <title>C&#43;&#43; Working</title>
-      <link>http://localhost:1313/post/cplusplus-working/</link>
+      <title>Learning C&#43;&#43;</title>
+      <link>http://localhost:1313/post/learning-c&#43;&#43;/</link>
       <pubDate>Sun, 11 May 2025 00:00:00 +0000</pubDate>
-      <guid>http://localhost:1313/post/cplusplus-working/</guid>
+      <guid>http://localhost:1313/post/learning-c&#43;&#43;/</guid>
       <description>I was just learning about the C++ fundamentals from The Cherno C++ playlist and thought of making notes on it. Added reference at the bottom.&#xA;What’s cmake? CMake is an open-source, cross-platform build system generator. It doesn’t build software directly—it generates build files (like Makefiles, Ninja build files, or Visual Studio project files) based on the instructions present in CMakeLists.txt.&#xA;cmake_minimum_required (VERSION 3.5) project (HelloWorld) set (CMAKE_CXX_FLAGS &amp;#34;${CMAKE_CXX_FLAGS} -Wall -Werror -std=c++14&amp;#34;) set (source_dir &amp;#34;${PROJECT_SOURCE_DIR}/src/&amp;#34;) file(GLOB source_files &amp;#34;${source_dir}/*.</description>
     </item>
     <item>