Salesforce prevents calls to unauthorized network address

Author - Webner
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We have a callout inside a class (using @future) which was throwing following exception:

Apex script unhandled exception by user/organization:005A0000001WKkE/00DA0000000KYuL

Failed to invoke future method ‘public static void invokeProcess(String, String, String, Decimal, String, String, String, Datetime, String, String)’ on class ‘FillAccordForrms’ for job id ‘707A000000AYXxu’ caused Read more…

Salesforce Apex Data Loader – Date values off by 1 day

Author - Webner
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How can I ensure my dates are correct when loading with the Data Loader?

When loading data into date fields such as Opportunity Close Date using the Data Loader, the date displayed in the application is sometimes one day earlier/later than the date in Read more…

Heroku | Run Cakephp Code as Cron Job

Author - Webner

Problem

The requirement was to run CakePHP controller action as cron job on Heroku. In order to achieve this you need to schedule this action so that it runs at specific time intervals on Heroku.
To run the code you need to add Heroku scheduler Read more…

Salesforce – Using dataloader on Linux

Author - Webner

If you work on Linux and you want to upload data to Salesforce from a Linux machine, you cannot use dataloader as it is Windows based program. Besides you need to install it on your machine and you also need credentials and security token of the Org to which you Read more…

Moodle | How to set a course as completed

Author - Webner
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Following are the steps to complete a course in moodle by admin :

1. Open the course that you want to complete.

2. To the left side there will be a link of “Edit Settings”. In this link there will be an option of “Completion Tracking”. Expand the “Completion Read more…

Heroku – Session expires or gets deleted on every commit

Author - Webner
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Session expires or gets deleted on every commit in Heroku

Follow these steps to fix this problem:

1. Install MemCachier addon in your heroku app

2. Create .user.ini file in your Heroku app and write following code in the file:
session.save_handler=memcached
session Read more…

Cannot Start Apache Service

Author - Webner
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It’s a common problem while starting XAMPP, especially for Skype users. The default port used by both Skype and Apache is 80. In order to use both of them you should change the port number for one of them.

Here are the steps:

Changing Skype Read more…

Shared Hosting | Absolute location of a file

Author - Webner

If you want to access a file on a shared hosting server by specifying its absolute location it may not work. The reason is what we see on shared hosting as root folder actually may have more before it that is not visible to us for security reasons (as machine Read more…

Mobile App development | Flipper view not showing some images

Author - Webner
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When mobile developers create an application, whether in Android or iOS, they often face challenge of mobile device fragmentation. Mobile device fragmentation in simple words means when an application is not able to run on some devices while it runs fine on others. One such problem developers encounter is where Read more…

Salesforce – To Fetch and process more than 50000 records

Author - Webner
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To Fetch and process more than 50000 records in Salesforce

Problem

We want to fetch more than 50000 contacts and want to process them but are not able to do that due to salesforce Query limit.

Solution

Batch apex is Read more…

PHP Code | Connect to remote SFTP location on Windows

Author - Webner

We need to use the phpseclib library to connect to SFTP server:
$sftp = new Net_SFTP(‘www.webnersolutions.com’);
if (!$sftp->login(‘user_name’, ‘password’))
{
exit(‘Login Failed’);
}
$this->downloadfiles($sftp->nlist());
//to download all files on remote root folder Read more…

Amazon S3 and PHP | How to list only top level folders in a bucket

Author - Webner

Sample code:

$result= $client->listObjects(array(“Bucket” => $bucket,”Delimiter” => “/”));
$files = $response2->getPath(‘Contents’);
foreach ($result[‘CommonPrefixes’] as $object)
{
echo $object[‘Prefix’]’;
}

This will list only the top level folder. If we do not use delimiter with listObject function then it will give list of all the Read more…

Salesforce | How to recover data deleted by mistake

Author - Webner
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Salesforce provides facility to create multiple copies of organization’s data in different environments for testing and training purpose without affecting the original data. Sandboxes are of three types – Configuration Only Sandbox, Developer Sandbox, Full Sandbox. Configuration only Sandbox is a read only sandbox containing objects, reports, dashboards etc having Read more…

Salesforce to Amazon S3 file upload – Heap Limit Exceeded

Author - Webner
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How to resolve “Heap Limit Exceeded” error while uploading large files to Amazon S3 from within Salesforce.
Amazon Toolkit from Force.com has inbuilt classes and methods that facilitate connecting to Amazon S3 from Salesforce and uploading files to Amazon S3 from within Salesforce. For that we generally write a Read more…

How to get all the checked values from the Table view in iOS

Author - Webner
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Table view is not like listview on which you can iterate over cells and get values. Tableview in iOS has reusable cells i.e. every time you scroll it, old cells don’t go up or down but the existing cells are reused to show new data. You can’t Read more…

Apache – Use a custom domain name instead of localhost

Author - Webner

By following these steps you can run your local machine’s website using a custom domain name instead of localhost:

1. Edit apache configuration file:

sudo gedit /etc/apache2/sites-available/000-default.conf

 

add ServerName property as follows (you can add it just below DocumentRoot, make sure DocumentRoot Read more…

How to display Courses on dashboard In Moodle/Totara

Author - Webner
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To display any course on Dashboard of Administrator or a Student, Admin/Student must be enrolled with the course. Following are the steps for Administrator to enroll himself or some other user to a course in Moodle/Totara:

Open the course that you want to see on your Dashboard
Now Read more…

Providing technical support to Salesforce clients without their credentials

Author - Webner
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When clients install managed package developed by us into their Salesforce Organization, if they face a technical problem and need us to debug our package in their Organization, we need their Salesforce login credentials. But most of the times clients do not want to share their credentials.

Solution to this Read more…

zoho creator | How to Lookup Specific Data from a CRM Module

Author - Webner
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Lookup of a CRM module from Creator Form based on some criteria – One of our clients required lookup to Contacts module in Zoho CRM on a Creator form to select a contact. Lookup to Contacts module can be placed in a Creator form. But the Read more…

Safari downloading files in .csv.html format | Workaround

Author - Webner

Problem

In one of the software we are developing, we faced a strange problem in Safari browser on Mac machine. A link on webpage was provided to download a file in .CSV format (server side code written in CakePHP). In Safari, downloaded file was being given the extension Read more…

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