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/// using standard library

#include <chrono>
#include <thread>

std::this_thread::sleep_for(std::chrono::seconds(10)); // delay for 10s
std::this_thread::sleep_for(std::chrono::milliseconds(10)); // delay for 10ms
std::this_thread::sleep_for(std::chrono::nanoseconds(10)); // delay for 10ns

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# get remote repository
git clone URL

# create new branch
git branch new_branch_name
git branch
git push origin new_branch_name

# delete branch
git branch -d branch_name

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// ...

android {
  // ...
  
  libraryVariants.all { variant ->
        variant.outputs.all { output ->
          variant.assemble.doLast {
            exec {
                    def localProperties = new File(rootDir, "local.properties")

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#include <dlfcn.h>

void (*ATrace_beginSection) (const char *sectionName);
void *(*ATrace_endSection) (void);
void *(*ATrace_isEnabled) (void);

typedef void (*fp_ATrace_beginSection) (const char *sectionName);
typedef void *(*fp_ATrace_endSection) (void);
typedef void *(*fp_ATrace_isEnabled) (void);

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#include "shader_handler.h"

bool ShaderHandler::initializeShader() {
  // vertex shader
  vshader = glCreateShader(GL_VERTEX_SHADER);
  glShaderSource(vshader, 1, &vertex_shader_source, nullptr);
  glCompileShader(vshader);
  
  GLint vertex_compiled;
  glGetShaderiv(vshader, GL_COMPILE_STATUS, &vertex_compiled);

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#include "render_frame.h"

void RenderFrame::initialize() {
  glGenTextures(1, &colorAttachmentId);
  glBindTexture(GL_TEXTURE_2D, colorAttachmentId);
  glBindTexture(GL_TEXTURE_2D, 0); // unbind
}

void RenderFrame::submitFrame(void *frame) {
  glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_SWIZZLE_G, GL_RED);

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dependencies {
  // Navigation library
  def nav_version = "2.0.0"
  implementation "androidx.navigation:navigation-fragment-ktx:$nav_version"
  implementation "androidx.navigation:navigation-ui-ktx:$nav_version"
}

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dependencies {
  // CameraX core library
  def camerax_version = "1.0.0-alpha06"
  // CameraX view library
  def camerax_view_version = "1.0.0-alpha03"
  // CameraX extensions library
  def camerax_ext_version = "1.0.0-alpha03"
  implementation "androidx.camera:camera-core:$camerax_version"
  // If you want to use Camera2 extensions
  implementation "androidx.camera:camera-camera2:$camerax_version"

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import java.util.*;

public class BreathFirstSearch {
  public static bfs(Node tree) {
    // using queue for BFS algorithm
    Queue<Node> queue = new LinkedList<>();
    
    // enqueue root
    queue.add(tree);
    

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// the path of output folder
private val EXPORT_FOLDER = "/your/folder/path/"

// this is a trigger for enabling/disabling the function
private var exportFrameToJpeg = false 

// a counter which acculating the number of video frame
private var nbFrame = 0

// the prepare function of decoder