Purpose of Security.salt and Security.cipherSeed in CakePHP

Author - Ashish

cipherSeed in CakePHP
cipherSeed is used in Security::cipher() function to seed rand(). Seed means to give the initial value to rand() function to start and based on that the future values by rand() function are generated. In php, before 4.2.0 version, Random Number Read more…

Java | Concept of Fail Fast and Fail Safe Iterators

Author - Richa

The terms Fail Fast and Fail Safe iterators come into picture when we deal with Concurrency issue while programming in Java. In Java, while iterating over a collection if multiple threads modify the collection (such as adding a new element, deleting an element or updating the value of an element Read more…

Heroku | The datasource configuration “default” was not found in database.php

Author - Webner

Heroku throwing ERROR: “The datasource configuration “default” was not found in database.php” with database configuration already present for cakephp app.

In one of our cakephp projects hosted on Heroku we used PostgreSql database. For configuring the database to connect to app code we renamed the database.php.default file Read more…

How to convert an object into Json String in Unity3D Script (C#)

Author - Shalini

How to convert an object into JSON String in Unity3D Script (C#)?

Let’s say I have a class:
class User {
String firstName;
String lastName;
String userName;
}
User obj = new User
{
firstName = “Shalini”,
lastName = “Vashist”,
userName = “shalini.vashist”
};
And In
return I need a JSON string like this Read more…

Ajax call example

Author - Webner
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0 Comments
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How to call ajax function and then fill the data received from server in a table.

Suppose the is html code of view. On change in selection of the dropdown getfun() function is called that will send an ajax call to server:
<div >

<div &gt Read more…

Salesforce Mobile | Error: OAUTH_APPROVAL_ERROR_GENERIC

Author - Webner
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0 Comments
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SALESFORCE MOBILE

Authorization Error after successful login from mobile in salesforce connected app

When a user requests their Salesforce data from within the external application (the consumer’s page), the user must be authenticated by Salesforce.
After login into the native salesforce mobile app using the Oauth login app gives Read more…

How to install .box extension Virtual Machine

Author - Webner

To install and use .box extension machine we have to follow these steps:

1.  Installing Virtualbox:
$ sudo  apt-get install virtualbox
$ sudo apt-get install virtualbox-dkms
2.   Installing vagrant:

Please don’t install the repository version, because this is very old and the Read more…

NetSuite API | operator undefined for search

Author - Neha Mishra
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0 Comments
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On filtering contacts coming from Netsuite CRM based on last modified date, gives error “operator undefined for search”:

Below is the code that retrieves all the contacts from Netsuite CRM:
ContactSearch custSearch = new ContactSearch();
ContactSearchBasic custSearchBasic = new ContactSearchBasic();
custSearch.setBasic(custSearchBasic);
SearchResult result = _port.search(custSearch);
To filter Read more…

CSS3 Viewport units vh, vw, vmin and vmax explained

Author - Kiran Preet

CSS3 Viewport units vh, vw, vmin and vmax explained

Sometimes we need to fit our webpage content into viewport (visible browser window). Some developers achieve this using Javascript by checking the size of viewport and then they resize the content accordingly to fit it in the viewport. When user resizes Read more…

Selenium | Opening and closing browser tabs with Key controls

Author - Webner
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0 Comments
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We can use Robot class to open and close tabs in Selenium but we also have the Key_Control concept. These are keyboard shortcuts to open and close the tabs in browser :

Ctrl+t (Open New tab)
Ctrl+w (Close tab)

We can use these keyboard shortcuts in Selenium script also Read more…

Salesforce | Passing data via Javascript to Apex Controller

Author - Komal

Some situations occur when we become unable to pass the data from visualforce page to apex controller directly.  For example: Suppose you have three divs (todoDiv, doingDiv, doneDiv) that are showing some tasks through the List from apex controller. It has the drag and drop functionality that allows the user Read more…

Salesforce | System.Callout Exception: Unauthorized End Point

Author - Webner
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0 Comments
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I tried to send REST request to my server on click of a custom button in Salesforce. It shows me “unauthorized end point exception”.

Solution : To resolve this issue we need to add the server address as a remote site in Salesforce. Here are the steps to add remote site Read more…

Selenium Locators

Author - Webner
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0 Comments
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To locate elements in Selenium WebDriver, we can use findElement() for single element and findElements() to locate a list of elements satisfying the search criteria. List of different ways in which both the methods can be used are given below:
driver.findElement(By.id())
driver.findElement(By.name())
driver.findElement Read more…

How to install and use command line tools in Heroku

Author - Manju Kashyap

What is Heroku Command Line:

The heroku command-line tool is an interface to the Heroku Platform API and includes support for things like creating/renaming apps, running one-off dynos, taking backups, and configuring add-ons. It is generally installed in your local development operating system.

Installing Read more…

Java | Base64 Encoding/Decoding with javax.xml.bind.DatatypeConverter

Author - Rita

Base64 Encoding/Decoding with javax.xml.bind.DatatypeConverter in java 6 and 7.

Solution: javax.xml.bind.Datatypeconverter class is the built in class inside JRE. We don’t need any third party library as we need in case of Cipher encoding/decoding method. javax.xml.bind.DatatypeConverter Read more…

CakePHP Security Component

Author - Manju Kashyap

CakePHP Security Component is very useful and provides an easy way to enable very tight security in our application:

1. It can restrict which HTTP methods our application accepts.
2. It provides Form Tampering Protection.
3. It can force to require that SSL must be used.
4. It Read more…

Jquery | How to create/edit Jquery Datatable dynamically

Author - Parminder Kaur

How to create/edit Jquery Datatable dynamically?

HTML code:
<div class=”col-md-12 col-sm-12 col-xs-12″>
<table id=”table”>
<tbody>
<tr>
<th>Rules</th>
</tr>
</tbody>
</table Read more…

Selenium Webdriver script | Open new browser tab and switch between tabs

Author - Webner
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0 Comments
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In Selenium Webdriver script how to open a new browser tab and then switch between first browser tab and 2nd browser tab?

Solution: This is the script to achieve it, go through comments in the code to understand how the code works:
public static void main(String[] args Read more…

Moodle | Add and access custom elements in Blocks

Author - Kritika Sood

In Totara how to add custom HTML elements (checkboxes, input boxes etc) and then access the value selected by user on server side:

1. Adding custom elements.
2. Accessing values of custom elements.

Each problem is discussed below: Overview:

In Totara, for blocks, we have some Read more…

Totara | How to enroll audience to Course/Program

Author - Namisha
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0 Comments
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Problem: I want to enroll audience in course/program and I do not know that how we can enroll audience in course/program. To enroll audience in course/program, I have followed the below steps:

Solution:
1.Click Audiences link. To click on Audience link go Read more…

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