Java (JRE/JDK) – Check version installed

The Java development kit (JDK) contains tools for Java development, and the Java Runtime Environment (JRE) contains a JVM to convert byte code .class to machine code, and execute it, in short, the JRE runs Java program. In this this article we will see different methods to check which version is installed on a Linux/Windows system. Read More …

Powershell – Search and Replace multiple text strings in file/variable

A common, but not so often, requirement in some scenarios is to search and replace one or multiple text strings in variables or files. This can be quite easily achievied by using a bit of Powershell code. Read More …

SQL Server – SQL Attach DB: Could not open new database [New Question]

A quick question, answered on Heelpbook, about “SQL Server – SQL Attach DB: Could not open new database”, an error quite common while moving or migrating SQL Server databases between servers. Read More …

Read content of compressed file (.zip file) using PowerShell [New Question]

A quick question, answered on Heelpbook, about “Read content of compressed file (.zip file) using PowerShell”, something that could be useful in some scenarios like testing or development to extract programmatically needed files from dev kits. Read More …

Powershell – Extract Files from ZIP Archive

Starting with PowerShell 5, cmdlets like Expand-Archive can extract the content of ZIP files to disk. However, you can always extract only the entire archive. Luckily, there are other methods to extract, not only, from .zip archives, specified files or folders, on Windows-based systems. Read More …