Python | Create and delete an index in Elasticsearch To use the elastic search we need to import the Elasticsearch package >>> from elasticsearch import Elasticsearch now create an object of Elasticsearch search class by providing …

Last updated 3 months, 3 weeks ago | 242 views

Tags:- Python Elasticsearch

SQL | Compare timestamp with date only Timestamp holds Date and Time both with 19 characters. To filter table record with the only date parameter can be achieved by SQL DATE() function. Consider the Employee table …

Last updated 11 months ago | 257 views

Tags:- SQL MySQL

SQL | Timestamp in where clause to select the date range Select date range from the timestamp column with where clause can be done by using the BETWEEN operator. BETWEEN Operator : The BETWEEN operator selects …

Last updated 11 months ago | 208 views

Tags:- SQL MySQL

Django | The view account.views.register didn't return an HttpResponse object. It returned None instead. This error usually occurs when missed writing a return before render. The render is used to render the view to the browser. It …

Last updated 11 months ago | 767 views

Tags:- Python Django

PHP | Start array index from 1 To change the array index start from 1 instead of 0 can be done using array_unshift() and unset() function. array_unshift() Function The array_unshift() function inserts new elements to …

Last updated 11 months, 1 week ago | 400 views

Tags:- PHP

HTML | Make an anchor tag to do nothing | href="javascript:void(0);" To prevent reloading a page when a link clicked is something like preventing the default behavior of an element. It can be achieved by providing …

Last updated 12 months ago | 388 views

Tags:- HTML JQuery JavaScript

HTML | Input type number maxlength not working The "maxlength" attribute of an input field is used to limit the length entered in the input field. but it works only if the type of input field …

Last updated 1 year ago | 937 views

Tags:- HTML JQuery JavaScript

Jquery | Remove id attribute from an element The removeAttr() function from jquery is used to removes one or more attributes from the selected elements. $("div").removeAttr("id");     Here seen an example with complete code …

Last updated 1 year ago | 235 views

Tags:- HTML JQuery JavaScript

Jquery | Auto Focus On Next Input Field The jquery code for autofocus on the next text input field. $(".input-key").keyup(function() { if ($(this).val().length == $(this).attr("maxlength")) { $(this).next('.input-key').focus(); } }); Let's go through the above jquery …

Last updated 1 year ago | 350 views

Tags:- HTML JQuery JavaScript

PHP | Web Scraping Web scraping is used to get specific data from another website when there is no API available for it. There are many techniques for web scraping. You can read more about this …

Last updated 1 year, 1 month ago | 333 views

Tags:- PHP

Chart.JS | Draw Bar chart from server data using MySQL, Ajax, and PHP This example shows how to draw a bar chart with data from the database server.  FILE STRUCTURE At the end of this …

Last updated 1 year, 3 months ago | 1731 views

Tags:- HTML JQuery JavaScript PHP Chart Ajax PHP-MySQL

Chart.js | Changing graph type based on dropdown selection We can’t directly update the chart type in Chart.js, to achieve the requirement we need to destroy the original chart and then redraw the new chart. …

Last updated 1 year, 3 months ago | 2455 views

Tags:- HTML JQuery JavaScript Chart

Chart.js | show data values on top of each bar This is an example of displaying data value on top of each bar of Chart.js on the web page. Step 1: Create a basic HTML …

Last updated 1 year, 4 months ago | 3300 views

Tags:- HTML JQuery JavaScript Chart

Chart.js | Add bar chart in the webpage This is a simple example of using Chart.js to create a bar chart on the webpage.  Step 1: Create a basic HTML file called "chart.html"  <!DOCTYPE html> …

Last updated 1 year, 4 months ago | 296 views

Tags:- HTML JQuery JavaScript Chart

Jquery | Location reload() Method | Refresh a page The Location.reload() method reloads the current URL.   Syntax location.reload(forceGet) The Location.reload() method reloads the current URL. By default, the value of forceGet is false which …

Last updated 1 year, 5 months ago | 384 views

Tags:- JQuery JavaScript