Building real-time chat app using WebSockets with AWS API Gateway and Lambda

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| By Navneet Kashyap

We can build many real-time applications such as chat applications, multiplayer games, financial trading platforms, and collaboration platforms using WebSockets with AWS API Gateway, Lambda, and dynamoDB. In this blog we will learn how to build real-time applications using WebSockets

Moodle: Performing search through wildcard queries with ‘Like’ operator

| By Webner

‘Like’ operator of SQL can be used in the following ways in Moodle: Using expression $DB->sql_like: $grade_item_test = $DB->get_records_sql ( ‘SELECT * FROM {grade_items} WHERE ‘.$DB->sql_like(‘idnumber’, ‘:idnum’).’ AND courseid=:cid order by itemmodule’, array (‘idnum’=>’test’,’cid’=> $courseid) ); Using like operator: $grade_item_test

Salesforce | Upload Document in Salesforce using javascript

| By Webner

We can create a document/attachment object record in Salesforce using Javascript by calling Salesforce soap webservice. Note – Variable __sfdcSessionId is used to store sessionid. Script files: <script type=”text/javascript”>// <![CDATA[ __sfdcSessionId = ‘{!$Api.Session_Id}’; // ]]></script> <script src=”/soap/ajax/30.0/connection.js” type=”text/javascript”></script> <script src=”/soap/ajax/30.0/apex.js”