Issues of UTF-8 Encode Keyword

Author - Webner

<meta http-equiv=”Content-Type” content=”text/html; charset=utf-8″>

<?php echo utf8_decode(“selecciona una categoría”);?>

Above two lines are used to decode the special characters properly. We use the meta tag in section of the page to decode the whole page and second Read more…

jQuery | How to hide all right siblings

Author - Kajal Marwaha
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0 Comments
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If you want to hide all following siblings of an element with jQuery then you can use next() function. This function is used to get following siblings (means siblings that occur after selected element) of matched element. If a selector is provided, it retrieves the next sibling only if it Read more…

How to write CSS hacks for IE 11 and Safari

Author - Kajal Marwaha
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0 Comments
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In one of our projects we were working on, website page’s styling was not uniform when viewed on different browsers.

To solve this problem, we used CSS hacks for Safari and IE 11.

Tag for CSS hacks in IE 11:

@media all and (-ms-high-contrast: none),(-ms-high Read more…

Eclipse | Ctrl+click doesn’t redirect to parent function or class

Author - Webner

While working in eclipse, we faced a problem in which Ctrl+click was not redirecting to the parent function or class.

Solution: To solve this problem, we followed the below steps :

1. Exit Eclipse
2. Go to Workspace
3. Open .metadata folder
4. Open .plugins folder
5. Search for folder Read more…

PHP | Sorting Complex Multidimensional Array

Author - Ishpreet Kaur

Suppose we have a complex array like below:

$products = array(
array(
‘product’ => array(‘id’ => 1, ‘name’ => ‘Jquery tutorial book’),
‘product_details’ => array(‘cost’ => 10, ‘edition’ => ‘first’)
),
array(
‘product’ => array(‘id’ => 2, ‘name’ => ‘javascript tutorial book’),
‘product_details’ => array(‘cost’ => 20, ‘edition’ => ‘first’)
),
array(
‘product’ => array(‘id’ => 3, ‘name’ => ‘C++ tutorial book’),
‘product_details Read more…

iOS | How to get installed app package names

Author - Vivek Gautam
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0 Comments
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Here is the code to get names of app package installed on iOS devices:

include objc/ runtime.h in your viewController.m
include <objc/runtime.h>
– (void)GetInstalledApps
{
Class LSApplicationWorkspace_class = objc_getClass(“LSApplicationWorkspace”);
NSObject* workspace = [LSApplicationWorkspace_class performSelector:@selector(defaultWorkspace)];
NSArray *array = [workspace performSelector:@selector(allApplications)];
NSMutableString *packageList = [NSMutableString stringWithString Read more…

How to load webpage faster having large number of images

Author - Webner
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0 Comments
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If your webpage has a lot of images it may load really slowly. We can use jQuery method lazyLoad to load the page faster. Lazy Load delays loading of images in long web pages. Images outside of viewport (means part of the screen you are viewing) are not loaded until Read more…

Moodle/Totara | How to install a new theme

Author - Webner
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0 Comments
|

A theme can be installed in Moodle/Totara by two different methods:

A) Installing theme via FTP

1. Login to your FTP client server where your Moodle/Totara is installed
2. Go to Moodle “Theme” directory and place the theme folder which you have extracted from the Zip in it Read more…

Restrict back button of browser using Struts2

Author - Neha Mishra
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0 Comments
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Follow the steps below to restrict back button of the browser:

1. Make a custom filter class as shown below.
2. Implement Filter (in-built interface)
3. Override “doFilter” method present in the Filter interface:
public class NoCacheFilter implements Filter
{
@Override
public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain Read more…

Toggling a checkbox on/off through Selenium webdriver

Author - Webner
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0 Comments
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Below is the script for on/off the checkbox using webdriver:
package mypackage;
import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.firefox.FirefoxDriver;
public class myclass
{
public static void main(String[] args)
{
WebDriver driver = new FirefoxDriver();
String Read more…

How to create a dynamic div using Javascript

Author - Webner

Here is sample code if you want to create a dynamic div using Javascript:

<script type=”text/javascript”>
divCount =0;
function createDiv()
{
var divTag = document.createElement(“div”);
var studList =””;
studList += ‘<select id=”BOX_’+divCount+'” name=”BOX_’+divCount+'”>’;
studList += ‘<option value=””>— Select —</option&gt Read more…

Salesforce | Some Date functions (String to Date and more)

Author - Webner
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0 Comments
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We can convert a string variable into date datatype by using the apex date class function date.parse(String);

Syntax:

Date var1=date.parse(String);

Example:

String var=’12/25/2016’;

Convert var to date type by:
Date var1=date.parse(var);

Now var1 contain it as a date type Read more…

Android | How to get list of all the apps installed on Android device

Author - Vivek Gautam
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0 Comments
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In one of the mobile app we were required to get the list of all the installed applications on user’s mobile. This was possible but due to security reasons first of all you need to prompt app user to allow access his/her device contents by showing a dialogue Read more…

Selenium | How to test popup alert message in Selenium Webdriver

Author - Webner

Below is the script:
package mypackage;
import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.firefox.FirefoxDriver;
public class myclass
{
public static void main(String[] args)
{
WebDriver driver = new FirefoxDriver();
String alertMessage = “”;
driver.get(“http://demo.webnerserver.com/view/sent_email.php”)
driver.findElement(By.cssSelector Read more…

Salesforce | Calculate number of years between two dates in apex class

Author - Shalini
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0 Comments
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Sample Code:

Date date1 = System.today();
Date date2 = System.today().addMonths(30);
system.debug(‘No of months === >>>> ‘ + date1.monthsBetween(date2));
String noOfYears = String.valueOf(date1.monthsBetween(date2) / 12) + ‘ Year(s) ‘ + String.valueOf(Math.mod(date1.monthsBetween(date2), 12)) + ‘ Month(s)’;
system.debug(‘No of years ‘ + noOfYears);

Output:

No of months Read more…

Salesforce | Visualforce | Error : DML currently not allowed exception on creation of the record on an Object

Author - Webner
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0 Comments
|

When creating a record on the document object using Rest API, Salesforce did not allow to execute the DML command from the Visualforce component.

Reason: When we try to pass dynamic values from the Visualforce Component to the Apex method, Salesforce does not allow us to put any Read more…

Mysql | How to access database remotely

Author - Kiran Preet

To access Mysql database remotely a good way is to create a new Mysql user and grant it permissions to access database from remote, as explained below:

You can create user with two ways

From Mysql command prompt:

1. Open command prompt.

2. Open the terminal of MYSQL Read more…

List of English phrases that can confuse the reader

Author - Webner
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0 Comments
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1. A penny for your thoughts: A way of asking what someone thinks about something.

Example: The new Salesforce Internet of Things (IoT) can be the next big thing, a penny for your thoughts?

2. Back to the drawing board: When an attempt fails and work needs to be started Read more…

HTML | WordPress | pre tag not working

Author - Webner
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0 Comments
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When pre tag is used in WordPress to include code which contains tags like apex, pre does not work.

For Example:
<apex:page standardController=”Event”>

The above code displays empty screen when used in the pre tag.

Solution: Replace < with &lt; and > with &gt Read more…

Javascript | Unable to get content of HTML while converting HTML page to PDF

Author - Webner

Problem : Unable to get content of HTML while converting HTML page to PDF.

Solution : You can use the javascript if you want to get content of HTML while converting it into PDF :
<HTML>
<head>
<script type=”text/javascript”>
function submitForPDF()
{
document.getElementById(“mybutton”).style Read more…

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