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‎Section22-Bonus_Section-Using_Visual_Studio_Code/readme.md

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## Installing Extensions
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1. C/C++
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p.s. This [link](https://code.visualstudio.com/docs/languages/cpp#_install-the-extension) could be more useful.
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1. C/C++ --- p.s. This [link](https://code.visualstudio.com/docs/languages/cpp#_install-the-extension) could be more useful.
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- Launch VSCode
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- Select the Extensions view icon, bottom, on the Activity bar, on the far left
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- Search for `c++`
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- Select the one supported by Microsoft (purple circle) and `install`
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- Search for ***c++***
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- Select the one supported by Microsoft (purple circle) and **install**
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2. CodeLLDB
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- Search for `codelldb`
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- Select the only one supported by Vadim Chugunov and `install`
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- Search for ***codelldb***
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- Select the only one supported by Vadim Chugunov and **install**
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2019
# Building and Running C++ Programs with VSCode on Mac OSX
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## Configure json files
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- Launch VSCode
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- Select `Open Folder`
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- Select **Open Folder**
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- Select the folder where you want to edit and compile your C++ codes
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- Copy below codes and save file as `main.cpp` for example
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### main.cpp
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```c++
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#include <iostream>
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using namespace std;
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}
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```
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- Select `View` at the Mac menu Bar, then `Command Palatte...`
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- Select **View** at the Mac menu Bar, then **Command Palatte...**
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- Select `C/C++: Edit Configurations (UI)`
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- Modify **Compiler path** by clicking on the drop down arrow and select `/usr/bin/g++`
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- Modify **C++ standard** to `c++20`
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- Save... Notice `.vscode` > `c_cpp_properties.json` is automatically generated on the Activity bar
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### c_cpp_properties.json
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```json
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{
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"configurations": [
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{
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"name": "Mac",
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"includePath": [
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"${workspaceFolder}/**"
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],
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"defines": [],
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"macFrameworkPath": [],
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"compilerPath": "/usr/bin/g++",
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"cStandard": "gnu17",
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"cppStandard": "c++20",
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"intelliSenseMode": "macos-gcc-x64"
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}
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],
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"version": 4
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}
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```
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VSCode require the `.cpp` file to be selected prior building it
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- Select the `main.cpp` just created
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- Select `Terminal` at the Mac menu Bar, then `Configure Default Build Task...`
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- Select **Terminal** at the Mac menu Bar, then **Configure Default Build Task...**
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- Select `C/C++: g++ build active file`
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- A new file, `tasks.json`, is automatically generated, which contains information on how to build C++ projects
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- Modify line 8 - 13 as below:
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### tasks.json
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```json
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"args": [
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"-g",
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"-Wall", // to generate all warnings
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"-std=c++20", // use c++20 standard
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// "${file}",
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"${fileDirname}/*.cpp", // compile all c++ files
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"-o",
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"${fileDirname}/${fileBasenameNoExtension}"
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],
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{
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"version": "2.0.0",
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"tasks": [
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{
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"type": "cppbuild",
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"label": "C/C++: g++ build active file",
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"command": "/usr/bin/g++",
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"args": [
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"-g",
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"-Wall",
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"-std=c++20",
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"${fileDirname}/*.cpp",
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"-o",
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"${fileDirname}/${fileBasenameNoExtension}"
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],
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"options": {
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"cwd": "${fileDirname}"
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},
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"problemMatcher": [
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"$gcc"
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],
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"group": "build",
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"detail": "compiler: /usr/bin/g++"
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},
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{
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"type": "cppbuild",
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"label": "C/C++: g++ build active file",
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"command": "/usr/bin/g++",
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"args": [
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"-g",
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"-Wall", // to generate all warnings
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"-std=c++20", // use c++20 standard
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// "${file}",
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"${fileDirname}/*.cpp", // compile all c++ files
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"-o",
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"${fileDirname}/${fileBasenameNoExtension}"
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],
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"options": {
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"cwd": "${fileDirname}"
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},
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"problemMatcher": [
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"$gcc"
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],
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"group": {
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"kind": "build",
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"isDefault": true
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},
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"detail": "compiler: /usr/bin/g++"
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}
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]
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}
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```
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## Building C++ programs
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- Select `main.cpp` and let's compile the code
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- Select `Terminal` at the Mac menu bar, then `Run Build Task...`
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- Select **Terminal** at the Mac menu bar, then **Run Build Task...**
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- Terminal should automatically appear towards the bottom and expected output
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```c++
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## Running C++ Programs
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- Right click on the `main` executable file and select `Open in Integrated Terminal`
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- Right click on the `main` executable file and select **Open in Integrated Terminal**
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- The terminal will then open at the proper file path, and input command `ls` will list the directories under the file path. The expected output is
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```
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clang: error: no input files
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```
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Despite the `.cpp` file name is different, I learned that there will be buile errors if `tes1.cpp` and `test2.cpp` are in the same directory during build.
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Despite the `.cpp` file name is different, I learned that there will be buile errors if `tes1.cpp` and `test2.cpp` are in the same directory during build.
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# Debugging C++ Programs with VSCode on Mac OSXing
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- Select `main.cpp`
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- Select **Run** at the Mac menu bar, then **Add Configuration...**
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- Select `C++ (GDB/LLDB)`
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- Select `g++ - Build and debug active file`
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- Exit out of debugger by selecting red sqaure box
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- Notice `launch.json` is automatically created
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- Modify `launch.json` as below
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### launch.json
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```json
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{
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// Use IntelliSense to learn about possible attributes.
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// Hover to view descriptions of existing attributes.
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// For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
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"version": "0.2.0",
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"configurations": [
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{
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"name": "g++ - Build and debug active file",
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// "type": "cppdbg",
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"type": "lldb",
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"request": "launch",
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"program": "${fileDirname}/${fileBasenameNoExtension}",
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"args": [],
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// "stopAtEntry": false,
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"cwd": "${fileDirname}",
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// "environment": [],
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// "externalConsole": false,
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// "MIMode": "lldb",
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"preLaunchTask": "C/C++: g++ build active file"
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}
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]
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}
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```
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- Return to `main.cpp`
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- Begin debugging by selecting **Run and Debug** on the Activity bar
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- Select breakpoints with red dot next to line number
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- Select green triangle play button towards top left
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- Step through debugger with the pop up menu

‎Section22-Bonus_Section-Using_Visual_Studio_Code/test2/test2

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