We have been using Jasmine to test our angular code. Recently I came across a piece of code in Javascript which included a REST API call and returned a promise. The promise then had a success callback and all the rest of the play. So in this blog, I have tried to illustrate how to […]
Now a days AWS S3 is commonly used as data storage. So there is one common requirement to delete a file or directory from S3. There are plenty of options avaibale to do the same, so we using javascript implementation for this. There are basic two steps by which you can delete a file from […]
Hi All, In my previous blog . I have explained how to send the push notification to Android Device. Now, it’s time to see how we can send push notification to iOS devices. For sending Push Notification in iOS I have used JavaPNS_2.2.jar . So before, directly jumping on example we should know that what […]
Hi All, I had a use case where I need to send the push notification to Android Device using Grails Application. For sending push notification I have used the Android GCM plugin. So, before going further we should know what is push notification and how it works. Push Notification : It is a message or […]
The requirement to send delayed/scheduled message is to publish any message with a delay time. To achieve this, earlier we had to use dead letter exchange but now we can send scheduled/delayed messages from RabbitMQ with “rabbitmq_delayed_message_exchange” plugin. we can send scheduled/ delayed messages from rabbitMQ by following these steps :- Step 1– Install rabbitMQ […]
Hello Grails users, We recently worked on a grails project which needed to upgrade in terms of code base and tests. The basic idea was to get the app in working state after upgrading the underlying powerful engine known as Grails. But it was a serious business, as the app contained 654 files with 1,00,833 LOC (which includes […]
Sometimes in a web application we need filtering on request to a resource or on response, or on both. In Grails, it could be done easily via creating a filter. Just run grails create-filters [filter-name] and it will generate a filter in the application. To run a filter before all other filters, just put that […]
AWS has recently launched a new service which is now available generally. AWS CodeCommit is the service we would be talking briefly about in this blog. AWS CodeCommit hosts private Git repositories. You can Store code & any other type of file with AWS CodeCommit. It follows Git standards & can be used with other […]
Sometimes we need to access details of current logged in user but that will be an additional database query. To save that query we can use principal object of Spring security which provides details of logged in user . But by default principal object have few fields like id, username and password. If we need […]