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SQLite locking concept comes when we access database from multiple threads. What things should we keep in our mind while designing the database in android, let’s see. firstly we create a helper class which extends SQLiteHelper class: [code language=”java”] public class DatabaseHelper extends SQLiteOpenHelper { … } [/code] Now lets we have multiple thread which […]
Hi This article is regarding how to use the Google cloud API from an android device . Google Cloud Storage is an Internet service to store data in Google’s cloud. . By integrating this service with our Android application we can provide a good level of security to our data since the data will not […]
It is pretty common to update the html DOM dynamically using ajax in interactive web applications. But the problem arises when the events bound to the existing html elements don’t work for same type of elements created dynamically. Like there is a case where I have to perform some operations on the click event of […]
In grails app, there might come scenarios where one need to create a non-persistent domain rather than creating a command obejct or POJO / POGO. GORM comes with a handy static property mapWith which has default value GORM (which associates any domain with gorm persistence layer). To make a domain non persistent set mapWith=”none”. For […]
There are times when we need to parse the URL mappings in our grails app. In my case we have a REST API. In which we have implemented a generic query method for all controllers but it is available to only a few using custom URL mappings. We wanted to create test cases in such […]
Hi, There arise several situations where you need to implement a certain flow comprising of various tasks. These tasks may be executed independent of each other and it gives us an opportunity to separate out the different parts of a flow into separate threads that can be executed “asynchronously”. I had a very similar use […]
I recently had a situation where I had the exact same criteria in multiple domains. I found a way to DRY them using Closure.delegate. I wanted to share that in this post. Just including the relevant details the domains that I had were like the following. [code language=”groovy”]class Subscription { static belongsTo = [topic: Topic] […]
AWS Lambda has been launched with the new features for Mobile Developers. The service was launched last year with the preview version at AWS re:Invent. We have given the detailed description about AWS LAMBDA in our previous blogs : An Introduction To AWS Lambda and AWS Lambda walk-through. It is a compute service that makes […]
To start, we create a Lambda function to consume events published by Amazon S3. For any object uploaded to a bucket, S3 will invoke our Lambda function by passing event information in the form of function parameters. AWS Lambda executes the function. As the function executes, it reads the S3 event data, logs some of […]
