“paginación” Código de respuesta

paginación

<nav aria-label="Page navigation example">
  <ul class="pagination">
    <li class="page-item"><a class="page-link" href="#">Previous</a></li>
    <li class="page-item"><a class="page-link" href="#">1</a></li>
    <li class="page-item"><a class="page-link" href="#">2</a></li>
    <li class="page-item"><a class="page-link" href="#">3</a></li>
    <li class="page-item"><a class="page-link" href="#">Next</a></li>
  </ul>
</nav>
Lonely Lemur

paginación

<nav aria-label="Page navigation example">
  <ul class="pagination justify-content-center">
    <li class="page-item disabled">
      <a class="page-link" href="#" tabindex="-1" aria-disabled="true">Previous</a>
    </li>
    <li class="page-item"><a class="page-link" href="#">1</a></li>
    <li class="page-item"><a class="page-link" href="#">2</a></li>
    <li class="page-item"><a class="page-link" href="#">3</a></li>
    <li class="page-item">
      <a class="page-link" href="#">Next</a>
    </li>
  </ul>
</nav>
Arrogant Alligator

paginación

// place the codes in functions.php and call the function wherever you want.

function philosophy_pagination()
{
   global $wp_query;
   $links = paginate_links(array(
      'current'      => max(1, get_query_var('paged')),
      'total'        => $wp_query->max_num_pages,
      'type'         => 'list',
      'mid_size'     => 3,
   ));
   $links = str_replace('page-numbers', 'pgn__num', $links);
   $links = str_replace("<ul class='pgn__num'>", "<ul>", $links);
   $links = str_replace('next pgn__num', 'pgn__next', $links);
   $links = str_replace('prev pgn__num', 'pgn__prev', $links);
   echo wp_kses_post($links);
}
Happy Mood

paginación

<?php  
$servername='localhost'
$username='root';
$password='';
$dbname = "my_db";
$conn=mysqli_connect($servername,$username,$password,"$dbname");
if(!$conn){
die('Could not Connect My Sql:' .mysql_error());
}
$limit = 10;  
if (isset($_GET["page"])) {
	$page  = $_GET["page"]; 
	} 
	else{ 
	$page=1;
	};  
$start_from = ($page-1) * $limit;  
$result = mysqli_query($conn,"SELECT * FROM user_table ORDER BY userid ASC LIMIT $start_from, $limit");
?>
<!DOCTYPE html>
<html lang="en">
<head>
  <title>Bootstrap Example</title>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css">
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.9/umd/popper.min.js"></script>
  <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js"></script>
</head>
<body>
<table class="table table-bordered table-striped">  
<thead>  
<tr>  
<th>userid</th>  
<th>First name</th>
<th>Last name</th>
 <th>City name</th>
<th>email</th> 
</tr>  
<thead>  
<tbody>  
<?php  
while ($row = mysqli_fetch_array($result)) {  
?>  
            <tr>  
				<td><?php echo $row["userid"]; ?></td>  
				<td><?php echo $row["first_name"]; ?></td>
				<td><?php echo $row["last_name"]; ?></td>
				<td><?php echo $row["city_name"]; ?></td>
				<td><?php echo $row["email"]; ?></td>			
            </tr>  
<?php  
};  
?>  
</tbody>  
</table>  
<?php  

$result_db = mysqli_query($conn,"SELECT COUNT(id) FROM user_table"); 
$row_db = mysqli_fetch_row($result_db);  
$total_records = $row_db[0];  
$total_pages = ceil($total_records / $limit); 
/* echo  $total_pages; */
$pagLink = "<ul class='pagination'>";  
for ($i=1; $i<=$total_pages; $i++) {
              $pagLink .= "<li class='page-item'><a class='page-link' href='pagination.php?page=".$i."'>".$i."</a></li>";	
}
echo $pagLink . "</ul>";  
?>

</body>
</html>
Different Dragonfly

paginación

private int previousTotal = 0;
    private final int visibleThreshold = 5;
    private RecyclerView postRecyclerView;
    private boolean loading = true;
    private int firstVisibleItem, visibleItemCount, totalItemCount;

 @SuppressLint("SourceLockedOrientationActivity")
    @Nullable
    @Override
    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.fragment_home, container, false);

 StaggeredGridLayoutManager staggeredGridLayoutManager = new StaggeredGridLayoutManager(1, StaggeredGridLayoutManager.VERTICAL);
        postRecyclerView.setLayoutManager(
                staggeredGridLayoutManager
        );


        postRecyclerView.addOnScrollListener(new RecyclerView.OnScrollListener() {
            @Override
            public void onScrolled(@NonNull RecyclerView recyclerView, int dx, int dy) {

                visibleItemCount = staggeredGridLayoutManager.getChildCount();
                totalItemCount = staggeredGridLayoutManager.getItemCount();
                int[] firstVisibleItems = null;
                firstVisibleItems = staggeredGridLayoutManager.findFirstVisibleItemPositions(firstVisibleItems);
                if (loading) {
                    if (totalItemCount > previousTotal) {
                        loading = false;
                        previousTotal = totalItemCount;
                    }
                }

                if (!loading && (totalItemCount - visibleItemCount)
                        <= (firstVisibleItem + visibleThreshold)) {
                    getData();

                    loading = true;
                }
            }
        });

return view;
    }

private void getData() {
        databaseReference.addValueEventListener(new ValueEventListener() {
            @SuppressLint("NotifyDataSetChanged")
            @Override
            public void onDataChange(@NonNull DataSnapshot snapshot) {
                if (snapshot.exists()) {
                    shimmerFrameLayout.stopShimmer();
                    shimmerFrameLayout.setVisibility(View.GONE);
                    postRecyclerView.setVisibility(View.VISIBLE);
                    mUploads.clear();
                    for (DataSnapshot dataSnapshot : snapshot.getChildren()) {
                        Upload upload = dataSnapshot.getValue(Upload.class);
                        assert upload != null;
                        upload.setmKey(dataSnapshot.getKey());
                        mUploads.add(upload);


                    }

                }
                postsAdapter.setUploads(mUploads);

                //notify the adapter
                postsAdapter.notifyDataSetChanged();

            }


            @Override
            public void onCancelled(@NonNull DatabaseError error) {

            }
        });
    }
Cautious Chinchilla

paginación

<nav aria-label="Page navigation example">
  <ul class="pagination">
    <li class="page-item"><a class="page-link" href="#">Previous</a></>
    <li class="page-item"><a class="page-link" href="#">1</a></li>
    <li class="page-item"><a class="page-link" href="#">2</a></li>
    <li class="page-item"><a class="page-link" href="#">3</a></li>
    <li class="page-item"><a class="page-link" href="#">Next</a></li>
  </ul>
</nav>
Badr Gamal

paginación

public class PostAdapter_Home extends RecyclerView.Adapter<PostAdapter_Home.PostViewHolder> {
    public static List<Upload> mUploads;
    public Context mcontext;

    public PostAdapter_Home(Context context, List<Upload> uploads) {
        mUploads = uploads;
        mcontext = context;
    }


    @NonNull
    @Override
    public PostViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
        View view;
        view = LayoutInflater.from(mcontext).inflate(R.layout.ex_home, parent, false);
        return new PostViewHolder(view);

    }

    @Override
    public void onBindViewHolder(@NonNull PostViewHolder holder, int position) {
        Shimmer shimmer = new Shimmer.ColorHighlightBuilder()
                .setBaseColor(Color.parseColor("#F3F3F3"))
                .setBaseAlpha(1)
                .setHighlightColor(Color.parseColor("#E7E7E7"))
                .setHighlightAlpha(1)
                .setDropoff(50)
                .build();
        ShimmerDrawable shimmerDrawable = new ShimmerDrawable();
        shimmerDrawable.setShimmer(shimmer);
        Upload uploadCurrent = mUploads.get(position);
        Glide.with(mcontext)
                .load(uploadCurrent.getmImageUrl())
                .diskCacheStrategy(DiskCacheStrategy.AUTOMATIC)
                .placeholder(shimmerDrawable)
                .centerCrop()
                .fitCenter()
                .into(holder.imageView);

//        holder.imageView.setOnClickListener(view -> changeScaleType(holder, position));

    }


    @Override
    public int getItemCount() {
        return mUploads.size();
    }

    public void setUploads(List<Upload> uploads){
        mUploads=uploads;
    }
    public static class PostViewHolder extends RecyclerView.ViewHolder {

        private final ShapeableImageView imageView;

        public PostViewHolder(@NonNull View itemView) {
            super(itemView);
            imageView = itemView.findViewById(R.id.imagePostHome);

        }


    }
}
Cautious Chinchilla

paginación

// input 
$page, $limit

// output
$offset = (($page - 1) * $limit);
$limit  = $limit;
Zidane (Vi Ly - VietNam)

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