We can’t use special characters like >,<,”,’ etc directly in code because browser mixes these characters with HTML tags and gets confused. So we can use HTML entities if we want to use special characters in our code.
Below are some common entities which we can use Read more…
How to show Caret symbol on hover event in the Bootstrap navigation bar as shown in the figure below:
Solution: We created a bootstrap navigation bar with ul and li tags. One of the li element within the ul for reference is given below:
<ul class=”row Read more…
Suppose you have a Javascript array and want to send it to the server side on page submit then you can use this method.
Suppose we have a Javascript array with 3 elements:
var test = [“test1”, “test2”, “test3”];
Now create a hidden variable in HTML. This variable will Read more…
Most of the times when we get memory exhausted error, we normally think that the memory allocated for php program execution in php.ini file is not sufficient and raise this limit to try to fix the error.
However, code inefficiency could be the reason behind the error. Some examples Read more…
Selenium Webdriver lets us locate elements in a web page in many different ways. Some of them are:
By id: If the HTML element to be located has a unique id one can use this id to locate the element in the code. Java statement for this will Read more…
Following is the code to add Combobox in editable data grid:
Index.html:
<table id=”dg” title=” Combobox in editable datagrid ” style=”width:100%;height:700px”
toolbar=”#toolbar” pagination=”true” rownumbers=”true” fitColumns=”false” singleSelect=”true” autoSave=”true” data-options=”pageSize:50″>
<thead>
< Read more…
Suppose on an HTML page we have a list of menu items as shown in the image on the left below (Customers, Projects, Invoices etc) and on hover over these menu items we need to change the background color to green, like shown in 2nd image:
This is the sample Read more…
1. Fetching coordinates of current location of the mouse:
Below is the code to retrieve the coordinates of the mouse at any position on the webpage and display inside a div with id getCoords:
<script>
$(document).ready(function()
{
$(document).mousemove(function(e){
$(‘#getCoords Read more…
In one of our projects we are working on, we were trying to print a page using Javascript window.print() method. Strangely the page was not showing the colors of various CSS shapes like rectangle, circle etc when print preview was shown. It was working when viewed on browser.
The Read more…
In order to add text over an image, following PHP code can be used. Read the comments to understand purpose of code statements:
<?php
header (“Content-type: image/jpeg”); //setting the content type
//variable containing the string to be written on the image
$txt = “Here goes the text to Read more…
If you have an apex:outputtext and you try to get its value in Javascript using document.getElementById(‘id of outputtext’).value(), that won’t work. The reason is apex:outputtext is translated to HTML SPAN element.
So
<apex:outputtext value=”Amount” id=”amntId”/>
becomes
<span id Read more…
Have a look at this folder structure:
Test
Folder1
Abc.php
Folder2
Qwerty.php
Now in Abc.php file, try to include Qwerty.php using the following code:
Abc.php
include(‘../Folder2/Qwerty.php’)
It will give this error:
Fatal error: Failed opening required Read more…
These are the steps to install CakePHP 3.0 on Ubuntu machine:
Make sure you have PHP 5.5.9 (CLI) or higher installed. Check php version on your system using this command:
php -v
Run the following commands:
1. Download the composer installer in your Read more…
1. Turn editing On and click on the settings icon of the administration block as shown below:
2. Click on configure Administration link. This screen will open:
3. Change the drop-down value from “Assessment information page” to “ Edit Assessment page” so that only admin users could see this block Read more…
With recent evolution in CSS, we can try animations. Below is a sample code where in which have used latest CSS features and will give the illusion of animation. Just copy paste the code below in an HTM file and and view it in browser.
Code:
<html>
< Read more…
Description: We have Salesforce recordId but need to identify what is the type of Subject corresponding to this record id.
Solution: We can get Sobject name from recordId with getSobjectType() function, sample code below:
Apex Code:
public void echoSObjectName(String RecID) {
objName = RecID.getSobjectType Read more…
Click on any of the tabs and find Recycle bin at the left bottom as shown in this image:
OR
You can use this URL into the salesforce to see Recycle bin:
https://na14.salesforce.com/search/UndeletePageRead more…
In one of our projects we are working on, we faced a problem where we wanted to change the HREF attribute value of anchor tag using jQuery. When we inspected the HTML code no unique id, name or class was given to < a href > element.
So how to Read more…
Heroku is an all-in-one cloud based platform which allows software developers to develop and host applications over Heroku cloud. The company was setup in June 2007 which initially supported Ruby programming language. Later on, support for other programming languages such as Node.js, Java, PHP, Python, Scala, Go Read more…
What is Transition Delay?
Transition delay specifies the amount of time for the change to take place in css properties of DOM elements. Transition Delay value is defined in seconds (s) or milliseconds(ms).
How to implement Transition Delay in CSS Read more…
