1595342460
Microservices and Data Management - DZone Microservices
Introduction
For pure frontend developers who doesn’t have much exposure to backend or middleware technology, microservices are a vague thing. They might have high-level introduction. So, let us have some deep understanding of what microservices are, and how it is different from monolithic application data management.
Monolithic and Microservice
In a monolithic application, all the stakeholders like all the business logic, routing features, middle-wares and Database access code get used to implement all the functionalities of the application. It is basically a single unit application. It has a lot of challenges in terms of scalability and agility. On the other side, in a microservice, all the business logic, routing features, middle-wares, and database access code get used to implement a single functionality of the application. We break down the functionalities to the core level and then connect to related services. So, the functionalities are actually dependent on related services only and does not get affected if there is an issue with other services. This helps to make the application agile, flexible, and highly scalable.
Why Microservices
Independent DB for the Services
The very first important thing associated with microservices is that each functionality requires its own database and never connects to the database of other services. In a monolithic service, since you have a single database. if something goes wrong with it then the whole application gets crashed. But in microservice, since we have an independent database for each service, in case of any problem with any particular database, it certainly does not affect other services and your application does not crash as a whole.
No Dependency on Schema
We have many services in our application and each service requires its own database. Hence, each database has its own schema or structure. But, if any service is connected to other service and shares the data and during development, the source database changes its schema and does not update the dependent services, then the service will not function correctly and may crash. So, there should be no dependency on databases.
Performance
Depending on the nature of service, we choose the appropriate type of DB. Some services are more efficient in specific database. So, creating a single database for all the services in the application might affect performance. In Microservice, since we have individual DB for each of the service, it is quite flexible, independent, and functions efficiently.
Data Management
Unlike the monolithic approach, in microservice, each functionality or service connects to its own database and never gets connected to other database. So, the big question arises of how we communicate between two services. It is quite generic in an application that we require to get some information based on the combination of many service outputs. But as a thumb rule, services dont communicate. Then what is the solution to this issue? Let us see, how data communicates between the services.
#data management #monolith vs microservice #microservices benefits #microservices communication #microservices archiecture
What is GEEK
Buddha Community
1620466520
Your Data Architecture: Simple Best Practices for Your Data Strategy
If you accumulate data on which you base your decision-making as an organization, you should probably think about your data architecture and possible best practices.
If you accumulate data on which you base your decision-making as an organization, you most probably need to think about your data architecture and consider possible best practices. Gaining a competitive edge, remaining customer-centric to the greatest extent possible, and streamlining processes to get on-the-button outcomes can all be traced back to an organization’s capacity to build a future-ready data architecture.
In what follows, we offer a short overview of the overarching capabilities of data architecture. These include user-centricity, elasticity, robustness, and the capacity to ensure the seamless flow of data at all times. Added to these are automation enablement, plus security and data governance considerations. These points from our checklist for what we perceive to be an anticipatory analytics ecosystem.
#big data #data science #big data analytics #data analysis #data architecture #data transformation #data platform #data strategy #cloud data platform #data acquisition
1624399200
Top 10 Big Data Tools for Data Management and Analytics
Introduction to Big Data
What exactly is Big Data? Big Data is nothing but large and complex data sets, which can be both structured and unstructured. Its concept encompasses the infrastructures, technologies, and Big Data Tools created to manage this large amount of information.
To fulfill the need to achieve high-performance, Big Data Analytics tools play a vital role. Further, various Big Data tools and frameworks are responsible for retrieving meaningful information from a huge set of data.
List of Big Data Tools & Frameworks
The most important as well as popular Big Data Analytics Open Source Tools which are used in 2020 are as follows:
- Big Data Framework
- Data Storage Tools
- Data Visualization Tools
- Big Data Processing Tools
- Data Preprocessing Tools
- Data Wrangling Tools
- Big Data Testing Tools
- Data Governance Tools
- Security Management Tools
- Real-Time Data Streaming Tools
#big data engineering #top 10 big data tools for data management and analytics #big data tools for data management and analytics #tools for data management #analytics #top big data tools for data management and analytics
1620629020
Getting Started With Data Lakes
Frameworks for Efficient Enterprise Analytics
The opportunities big data offers also come with very real challenges that many organizations are facing today. Often, it’s finding the most cost-effective, scalable way to store and process boundless volumes of data in multiple formats that come from a growing number of sources. Then organizations need the analytical capabilities and flexibility to turn this data into insights that can meet their specific business objectives.
This Refcard dives into how a data lake helps tackle these challenges at both ends — from its enhanced architecture that’s designed for efficient data ingestion, storage, and management to its advanced analytics functionality and performance flexibility. You’ll also explore key benefits and common use cases.
Introduction
As technology continues to evolve with new data sources, such as IoT sensors and social media churning out large volumes of data, there has never been a better time to discuss the possibilities and challenges of managing such data for varying analytical insights. In this Refcard, we dig deep into how data lakes solve the problem of storing and processing enormous amounts of data. While doing so, we also explore the benefits of data lakes, their use cases, and how they differ from data warehouses (DWHs).
This is a preview of the Getting Started With Data Lakes Refcard. To read the entire Refcard, please download the PDF from the link above.
#big data #data analytics #data analysis #business analytics #data warehouse #data storage #data lake #data lake architecture #data lake governance #data lake management
1685213040
使用 jQuery 创建分页
在本文中，我们将看到如何使用 jquery 创建分页。我们将使用多种方式创建 jquery 分页。您可以使用不同的方式创建分页，例如使用简单的 HTML 创建分页，您可以使用 paginate() 方法在 laravel 中创建分页。另外，创建分页 laravel livewire，使用 bootstrap 进行分页。
我们将创建简单的 jquery 分页。此外，使用不带插件的 jquery 创建分页，并使用下一个和上一个按钮创建 jquery 分页
那么，让我们看看jquery中的动态分页和jquery中的bootstrap分页
例子：
在这个例子中，我们将使用 jquery 创建分页而不使用插件。此外，您可以自定义分页。
<!DOCTYPE html>
<html lang="en">
<head>
<title>How To Create Pagination Using jQuery - Websolutionstuff</title>
<style>
.current {
color: green;
}
#pagin li {
display: inline-block;
font-weight: 500;
}
.prev {
cursor: pointer;
}
.next {
cursor: pointer;
}
.last {
cursor:pointer;
margin-left:10px;
}
.first {
cursor:pointer;
margin-right:10px;
}
.line-content, #pagin, h3 {
text-align:center;
}
.line-content {
margin-top:20px;
}
#pagin {
margin-top:10px;
padding-left:0;
}
h3 {
margin:50px 0;
}
</style>
</head>
<body>
<h3>How To Create Pagination Using jQuery - Websolutionstuff</h3>
<div class="line-content">This is Page 1 content example with next and prev.</div>
<div class="line-content">This is Page 2 content example with next and prev.</div>
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<ul id="pagin"></ul>
</body>
</html>
<script src="https://code.jquery.com/jquery-3.6.1.min.js" integrity="sha256-o88AwQnZB+VDvE9tvIXrMQaPlFFSUTR+nldQm1LuPXQ=" crossorigin="anonymous"></script>
<script>
pageSize = 5;
incremSlide = 5;
startPage = 0;
numberPage = 0;
var pageCount = $(".line-content").length / pageSize;
var totalSlidepPage = Math.floor(pageCount / incremSlide);
for(var i = 0 ; i<pageCount;i++){
$("#pagin").append('<li><a href="#">'+(i+1)+'</a></li> ');
if(i>pageSize){
$("#pagin li").eq(i).hide();
}
}
var prev = $("<li/>").addClass("prev").html("Prev").click(function(){
startPage-=5;
incremSlide-=5;
numberPage--;
slide();
});
prev.hide();
var next = $("<li/>").addClass("next").html("Next").click(function(){
startPage+=5;
incremSlide+=5;
numberPage++;
slide();
});
$("#pagin").prepend(prev).append(next);
$("#pagin li").first().find("a").addClass("current");
slide = function(sens){
$("#pagin li").hide();
for(t=startPage;t<incremSlide;t++){
$("#pagin li").eq(t+1).show();
}
if(startPage == 0){
next.show();
prev.hide();
}else if(numberPage == totalSlidepPage ){
next.hide();
prev.show();
}else{
next.show();
prev.show();
}
}
showPage = function(page) {
$(".line-content").hide();
$(".line-content").each(function(n) {
if (n >= pageSize * (page - 1) && n < pageSize * page){
$(this).show();
}
});
}
showPage(1);
$("#pagin li a").eq(0).addClass("current");
$("#pagin li a").click(function() {
$("#pagin li a").removeClass("current");
$(this).addClass("current");
showPage(parseInt($(this).text()));
});
</script>输出：
例子：
在这个例子中，我们将在 jquery 的帮助下创建引导分页。
<!DOCTYPE html>
<html lang="en">
<head>
<title>How To Create Bootstrap Pagination Using jQuery - Websolutionstuff</title>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css">
<style>
#data tr {
display: none;
}
.page {
margin: 30px;
}
table, th, td {
border: 1px solid black;
}
#data {
font-family: Arial, Helvetica, sans-serif;
border-collapse: collapse;
width: 100%;
}
#data td, #data th {
border: 1px solid #ddd;
padding: 8px;
}
#data tr:nth-child(even) {
background-color: #f2f2f2;
}
#data tr:hover {
background-color: #ddd;
}
#data th {
padding-top: 12px;
padding-bottom: 12px;
text-align: left;
background-color: #03aa96;
color: white;
}
#nav a {
color: #03aa96;
font-size: 20px;
margin-top: 22px;
font-weight: 600;
}
a:hover, a:visited, a:link, a:active {
text-decoration: none;
}
#nav {
margin-top: 20px;
}
</style>
</head>
<body>
<h2 align="center" class="mt-4">How To Create Bootstrap Pagination Using jQuery - Websolutionstuff</h2>
<div class="page" align="center">
<table id="data">
<tr>
<th>Id</th>
<th>Name</th>
<th>Country</th>
</tr>
<tr>
<td>1</td>
<td>Maria</td>
<td>Germany</td>
</tr>
<tr>
<td>2</td>
<td>Christina</td>
<td>Sweden</td>
</tr>
<tr>
<td>3</td>
<td>Chang</td>
<td>Mexico</td>
</tr>
<tr>
<td>4</td>
<td>Mendel</td>
<td>Austria</td>
</tr>
<tr>
<td>5</td>
<td>Helen</td>
<td>United Kingdom</td>
</tr>
<tr>
<td>6</td>
<td>Philip</td>
<td>Germany</td>
</tr>
<tr>
<td>7</td>
<td>Tannamuri</td>
<td>Canada</td>
</tr>
<tr>
<td>8</td>
<td>Rovelli</td>
<td>Italy</td>
</tr>
<tr>
<td>9</td>
<td>Dell</td>
<td>United Kingdom</td>
</tr>
<tr>
<td>10</td>
<td>Trump</td>
<td>France</td>
</tr>
</table>
</div>
</body>
</html>
<script src="https://code.jquery.com/jquery-3.6.1.min.js" integrity="sha256-o88AwQnZB+VDvE9tvIXrMQaPlFFSUTR+nldQm1LuPXQ=" crossorigin="anonymous"></script>
<script>
$(document).ready (function () {
$('#data').after ('<div id="nav"></div>');
var rowsShown = 5;
var rowsTotal = $('#data tbody tr').length;
var numPages = rowsTotal/rowsShown;
for (i = 0;i < numPages;i++) {
var pageNum = i + 1;
$('#nav').append ('<a href="#" rel="'+i+'">'+pageNum+'</a> ');
}
$('#data tbody tr').hide();
$('#data tbody tr').slice (0, rowsShown).show();
$('#nav a:first').addClass('active');
$('#nav a').bind('click', function() {
$('#nav a').removeClass('active');
$(this).addClass('active');
var currPage = $(this).attr('rel');
var startItem = currPage * rowsShown;
var endItem = startItem + rowsShown;
$('#data tbody tr').css('opacity','0.0').hide().slice(startItem, endItem).
css('display','table-row').animate({opacity:1}, 300);
});
});
</script>输出：
例子：
在此示例中，我们将使用twbsPagination插件创建分页。这个 jQuery 插件简化了 Bootstrap 分页的使用。
<!DOCTYPE html>
<html lang="en">
<head>
<title>jQuery Pagination Using Plugin - Websolutionstuff</title>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.0.0-alpha.6/css/bootstrap.min.css">
<style>
.wrapper{
margin: 60px auto;
text-align: center;
}
h2{
margin-bottom: 1.25em;
}
#pagination-demo{
display: inline-block;
margin-bottom: 1.75em;
}
#pagination-demo li{
display: inline-block;
}
.page-content{
background: #eee;
display: inline-block;
padding: 10px;
width: 100%;
max-width: 660px;
}
</style>
</head>
<body>
<div class="wrapper">
<div class="container">
<div class="row">
<div class="col-sm-12">
<h2>jQuery Pagination Using Plugin - Websolutionstuff</h2>
<p>Simple pagination using the TWBS pagination JS library.</p>
<ul id="pagination-demo" class="pagination-sm"></ul>
</div>
</div>
<div id="page-content" class="page-content">Page 1</div>
</div>
</div>
</body>
</html>
<script src="https://code.jquery.com/jquery-3.6.1.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.0.0-alpha.6/js/bootstrap.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/twbs-pagination/1.4.1/jquery.twbsPagination.min.js"></script>
<script>
$(document).ready (function () {
$('#pagination-demo').twbsPagination({
totalPages: 16,
visiblePages: 6,
next: 'Next',
prev: 'Prev',
onPageClick: function (event, page) {
$('#page-content').text('Page ' + page) + ' content here';
}
});
});
</script>输出：
原文出处：https: //websolutionstuff.com/
1685205672
Create Pagination Using jQuery
In this article, we will see how to create pagination using jquery. We will create jquery pagination using multiple ways. You can create pagination using different ways like creating pagination using simple HTML, you can create pagination in laravel using paginate() method. Also, create pagination laravel livewire, pagination using bootstrap.
We will create simple jquery pagination. Also, create pagination using jquery without a plugin and create jquery pagination with next and previous buttons
So, let's see dynamic pagination in jquery and bootstrap pagination in jquery
Example:
In this example, we will create pagination using jquery without using a plugin. Also, you can customize the pagination.
<!DOCTYPE html>
<html lang="en">
<head>
<title>How To Create Pagination Using jQuery - Websolutionstuff</title>
<style>
.current {
color: green;
}
#pagin li {
display: inline-block;
font-weight: 500;
}
.prev {
cursor: pointer;
}
.next {
cursor: pointer;
}
.last {
cursor:pointer;
margin-left:10px;
}
.first {
cursor:pointer;
margin-right:10px;
}
.line-content, #pagin, h3 {
text-align:center;
}
.line-content {
margin-top:20px;
}
#pagin {
margin-top:10px;
padding-left:0;
}
h3 {
margin:50px 0;
}
</style>
</head>
<body>
<h3>How To Create Pagination Using jQuery - Websolutionstuff</h3>
<div class="line-content">This is Page 1 content example with next and prev.</div>
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<ul id="pagin"></ul>
</body>
</html>
<script src="https://code.jquery.com/jquery-3.6.1.min.js" integrity="sha256-o88AwQnZB+VDvE9tvIXrMQaPlFFSUTR+nldQm1LuPXQ=" crossorigin="anonymous"></script>
<script>
pageSize = 5;
incremSlide = 5;
startPage = 0;
numberPage = 0;
var pageCount = $(".line-content").length / pageSize;
var totalSlidepPage = Math.floor(pageCount / incremSlide);
for(var i = 0 ; i<pageCount;i++){
$("#pagin").append('<li><a href="#">'+(i+1)+'</a></li> ');
if(i>pageSize){
$("#pagin li").eq(i).hide();
}
}
var prev = $("<li/>").addClass("prev").html("Prev").click(function(){
startPage-=5;
incremSlide-=5;
numberPage--;
slide();
});
prev.hide();
var next = $("<li/>").addClass("next").html("Next").click(function(){
startPage+=5;
incremSlide+=5;
numberPage++;
slide();
});
$("#pagin").prepend(prev).append(next);
$("#pagin li").first().find("a").addClass("current");
slide = function(sens){
$("#pagin li").hide();
for(t=startPage;t<incremSlide;t++){
$("#pagin li").eq(t+1).show();
}
if(startPage == 0){
next.show();
prev.hide();
}else if(numberPage == totalSlidepPage ){
next.hide();
prev.show();
}else{
next.show();
prev.show();
}
}
showPage = function(page) {
$(".line-content").hide();
$(".line-content").each(function(n) {
if (n >= pageSize * (page - 1) && n < pageSize * page){
$(this).show();
}
});
}
showPage(1);
$("#pagin li a").eq(0).addClass("current");
$("#pagin li a").click(function() {
$("#pagin li a").removeClass("current");
$(this).addClass("current");
showPage(parseInt($(this).text()));
});
</script>Output:
Example:
In this example, we will create bootstrap pagination with help of jquery.
<!DOCTYPE html>
<html lang="en">
<head>
<title>How To Create Bootstrap Pagination Using jQuery - Websolutionstuff</title>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css">
<style>
#data tr {
display: none;
}
.page {
margin: 30px;
}
table, th, td {
border: 1px solid black;
}
#data {
font-family: Arial, Helvetica, sans-serif;
border-collapse: collapse;
width: 100%;
}
#data td, #data th {
border: 1px solid #ddd;
padding: 8px;
}
#data tr:nth-child(even) {
background-color: #f2f2f2;
}
#data tr:hover {
background-color: #ddd;
}
#data th {
padding-top: 12px;
padding-bottom: 12px;
text-align: left;
background-color: #03aa96;
color: white;
}
#nav a {
color: #03aa96;
font-size: 20px;
margin-top: 22px;
font-weight: 600;
}
a:hover, a:visited, a:link, a:active {
text-decoration: none;
}
#nav {
margin-top: 20px;
}
</style>
</head>
<body>
<h2 align="center" class="mt-4">How To Create Bootstrap Pagination Using jQuery - Websolutionstuff</h2>
<div class="page" align="center">
<table id="data">
<tr>
<th>Id</th>
<th>Name</th>
<th>Country</th>
</tr>
<tr>
<td>1</td>
<td>Maria</td>
<td>Germany</td>
</tr>
<tr>
<td>2</td>
<td>Christina</td>
<td>Sweden</td>
</tr>
<tr>
<td>3</td>
<td>Chang</td>
<td>Mexico</td>
</tr>
<tr>
<td>4</td>
<td>Mendel</td>
<td>Austria</td>
</tr>
<tr>
<td>5</td>
<td>Helen</td>
<td>United Kingdom</td>
</tr>
<tr>
<td>6</td>
<td>Philip</td>
<td>Germany</td>
</tr>
<tr>
<td>7</td>
<td>Tannamuri</td>
<td>Canada</td>
</tr>
<tr>
<td>8</td>
<td>Rovelli</td>
<td>Italy</td>
</tr>
<tr>
<td>9</td>
<td>Dell</td>
<td>United Kingdom</td>
</tr>
<tr>
<td>10</td>
<td>Trump</td>
<td>France</td>
</tr>
</table>
</div>
</body>
</html>
<script src="https://code.jquery.com/jquery-3.6.1.min.js" integrity="sha256-o88AwQnZB+VDvE9tvIXrMQaPlFFSUTR+nldQm1LuPXQ=" crossorigin="anonymous"></script>
<script>
$(document).ready (function () {
$('#data').after ('<div id="nav"></div>');
var rowsShown = 5;
var rowsTotal = $('#data tbody tr').length;
var numPages = rowsTotal/rowsShown;
for (i = 0;i < numPages;i++) {
var pageNum = i + 1;
$('#nav').append ('<a href="#" rel="'+i+'">'+pageNum+'</a> ');
}
$('#data tbody tr').hide();
$('#data tbody tr').slice (0, rowsShown).show();
$('#nav a:first').addClass('active');
$('#nav a').bind('click', function() {
$('#nav a').removeClass('active');
$(this).addClass('active');
var currPage = $(this).attr('rel');
var startItem = currPage * rowsShown;
var endItem = startItem + rowsShown;
$('#data tbody tr').css('opacity','0.0').hide().slice(startItem, endItem).
css('display','table-row').animate({opacity:1}, 300);
});
});
</script>Output:
Example:
In this example, we will create pagination using the twbsPagination plugin. This jQuery plugin simplifies the usage of Bootstrap Pagination.
<!DOCTYPE html>
<html lang="en">
<head>
<title>jQuery Pagination Using Plugin - Websolutionstuff</title>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.0.0-alpha.6/css/bootstrap.min.css">
<style>
.wrapper{
margin: 60px auto;
text-align: center;
}
h2{
margin-bottom: 1.25em;
}
#pagination-demo{
display: inline-block;
margin-bottom: 1.75em;
}
#pagination-demo li{
display: inline-block;
}
.page-content{
background: #eee;
display: inline-block;
padding: 10px;
width: 100%;
max-width: 660px;
}
</style>
</head>
<body>
<div class="wrapper">
<div class="container">
<div class="row">
<div class="col-sm-12">
<h2>jQuery Pagination Using Plugin - Websolutionstuff</h2>
<p>Simple pagination using the TWBS pagination JS library.</p>
<ul id="pagination-demo" class="pagination-sm"></ul>
</div>
</div>
<div id="page-content" class="page-content">Page 1</div>
</div>
</div>
</body>
</html>
<script src="https://code.jquery.com/jquery-3.6.1.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.0.0-alpha.6/js/bootstrap.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/twbs-pagination/1.4.1/jquery.twbsPagination.min.js"></script>
<script>
$(document).ready (function () {
$('#pagination-demo').twbsPagination({
totalPages: 16,
visiblePages: 6,
next: 'Next',
prev: 'Prev',
onPageClick: function (event, page) {
$('#page-content').text('Page ' + page) + ' content here';
}
});
});
</script>Output:
Original article source at: https://websolutionstuff.com/