Java Interview Questions - Variables and Block
1. What is variable? A variable is a container that holds values that are used in a Java program. Every variable must be declared to use a data type.
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Java Interview Questions - Collection
1. What is Collection and what is the difference between Collection and Collections? Collection is a group of similar …
Java Interview Questions - Constructor and Object
1. What is constructor and its types? Constructor a special type of method that is used to initialize the state of an …
Kernel:err: CIFS VFS: Cifs_mount Failed W/Return Code = -115
The Problem When mounting a remote CIFS shared volume, the following error is shown and the volume is not mounted:
Java: Ordered vs Sorted Collection
A collection is a group of objects contained in a single object. The Java Collections Framework is a set of classes in …
"Yum Clean" Command Examples in CentOS/RHEL/Fedora
During its typical operation, YUM will create a cache of metadata and packages that can be found at /var/cache/yum. …
How to Check Whether SELinux Is Enabled or Not?
Security-Enhanced Linux (SELinux) brings additional security measures to your Linux system to further protect its …
What Is New in Oracle 11gR2 Relink
Methods to relink all binaries Oracle 11gR2 has two methods of relinking all product binaries in a home. 1. Traditional …
Unable to Create Shared Memory Segment ORA-27125 While Starting Database
The Problem The host ran out of disk space and ASM and the RDBMS were unable to create audit files. The environment was …
PL/SQL Script to Find VARCHAR2 Values That Cannot Be Converted to Number
This script contains a PL/SQL block to find VARCHAR2 values that cannot be converted to a number. It can be used to help …
The SQL Server Operating System (SQLOS)
The SQL Server Operating System (SQLOS) is a separate application layer at the lowest level of the SQL Server Database …