John D K

Java 8 String concatenation

Problem String concatenation is nice technique used by programmers to

Java 8 get current Day, Month, Year

Problem If you need to get the current date in

Ubuntu and Linux Mint vs Meltdown and Spectre Vulnerabilities

Problem The beginning of 2018, several vulnerabilities in most used

Java 8 rename multiple files recursively

Problem If you need to do simple file name transformation

Error TLP 1.1-1 On Ubuntu 16.04 LTS and Linux Mint

Problem Upgrading of TLP 1.0-1 to TLP 1.1-1

Collect file names in folder Windows 7

Problem If you need to collect all names of files

Concatenate files with command line Windows 7

Problem If you need to concatenate 100 text files in

Better programmer - be curious, observe, test and validate

I would like to share my algorithm how to improve

Grails No row with the given identifier exists: [Category#0]

Problem If you have grails errors message: Grails No row

Grails 3 Unknown ordinal value 99 for enum class Book

Problem Error message for grails: Unknown ordinal value [99] for