Prevent Form Submission when Pressing Enter Key in Meteor Templates

Form layout is nice and if you are using Meteor Templates with forms to collect some data just for internal processing, then the chances are your forms may be come with unwanted submit behaviors for Enter key presses. For example, consider this below template: <template name=”InputForm”> <form id=”URIForm” class=”form-horizontal”> <div class=”form-group”> <label class=”col-md-2 control-label” for=”esURI”>URL</label> […]

Configure MySQL for real-time bigdata frontend

Big Data does not always mean NOSQL. Sometimes you have to use a combination of NOSQL databases with Relational databases to get what you want. The key is knowing when (not) to use what. Usually one clever trick is to use NOSQL databases for backend purposes and relying upon the ACID properties of relational databases […]

How to make Access Control Lists (ACL) work for Mosquitto MQTT Broker with Auth Plugin?

If you planning to strengthening your MQTT service, then access control lists (ACL) are mandatory. Mosquitto broker supports this ACL feature through auth plugins. One versatile auth-plugin for mosquitto that you should consider using is https://github.com/jpmens/mosquitto-auth-plug. It is very flexible, in that it can support multiple backends as auth provider databases, ranging from CDB, Redis to […]