Rajat KumarTransforming complex STRUCT type to another struct type / Data type using SPARKSpark does not allow directly modifying struct type or complex data type column to other data types or complex struct type.2 min read·Aug 17, 2021----
Rajat KumarSOLVED: the mystery of BlockMissingException in the Hadoop file system (without data loss)The best way of handling corrupt or missing blocks in HDFS.4 min read·Feb 6, 2021----
Rajat KumarAWS EMR vs GLUE evaluation for ETL workflow @Data engineeringTo make Software development life cycle easy , following should be achievable while choosing external framework/library or cloud solution.3 min read·Apr 26, 2020----
Rajat KumarANDROID: download image/media files using HTTPCLIENT in android , using ASYNC TASKAndroidHttpClient is natively used to download file in this program. it is configured with network connection and socket timeout…2 min read·Apr 16, 2020----
Rajat KumarImportance of data structure and algorithm in an interviewTop e-commerce companies of India today like Amazon, Flipkart, Google, Microsoft focuses mainly on problem solving and data structure &…1 min read·Apr 16, 2020----
Rajat KumarANDROID: find android advertising Id (aaid) and isLimitTrackingEnabled valueWorking with Advertising IDs3 min read·Apr 16, 2020----
Rajat KumarANDROID: IMPLEMENT PERSISTENT COOKIE STORE for HTTPCLIENTPersistent cookie store class implementation using cookieStore interface for HttpClient.4 min read·Apr 16, 2020----
Rajat KumarANDROID :Tracking visibility of a VIEW, check if view is visible on screen or not programmaticallyHey, I have implemented VisibilityChecker class to find out whether a view is visible on android device screen or not.5 min read·Apr 16, 2020----