How to Create a Fat Jar with Maven
A fat jar or uber jar is a jar that contains the classes of your current project as well as all of the classes on which it depends. For example,…
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January 25, 2021
Get List of Objects in S3 Bucket with Java
Often when working with files in S3, you need information about all the items in a particular S3 bucket. Below is an example class that extends the AmazonS3Client class to…
January 25, 2021
Count Unique Elements in Text File with AWK
Counting the distinct/unique elements of text file is a common task. Below is an example of doing this is AWK, using sample_data_1.txt. cat sample_data_1.txt \ | awk 'BEGIN{FS="\t"} NR>1{names[$2]=1} END{print…
January 25, 2021
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