In Groovy you can choose between single quotation marks ' or double quotation marks " to represent a string. As opposed to Java, where single quotation marks denote a single character and double quotation marks denote a string. Groovy provides groovy.lang.GString which...
When an Oracle database is deployed on an internet host, you can use Oracle’s builtin security options to allow access only from certain clients. In this case I didn’t want to setup complex firewall rules or use a SSH tunnel. Add the following settings to $TNS_ADMIN...
To show the actual git branch of a project when you are in bash put the following function into your profile (e.g. .bash_profile): get_git_branch() { local br=$(git branch 2> /dev/null | grep "*" | sed 's/* //g') [ -n "$br" ] && echo " @$br" } and set your...
I just gave an Oracle backup & recovery workshop for a customer, talking about Oracle in general, DataPump and Recovery Manager (RMAN). At the end we came across LogMiner to find a certain SCN of a DDL statement. As I did not use LogMiner for a while, lets review this...
I’m in the process of creating a HA cluster based on FreeBSD, GEOM, HAST and ZFS. For our customers we need Java and GlassFish as well. The servers are set up with FreeBSD 8.2. Installing Oracle JDK 1.6 You need to download several files manually as licenses must be...
Short tutorial on how to install MySQL 5.5 on Mac OS X 10.6. Point your browser to the MySQL download page and download the “Mac OS X 10.6 64-bit DMG-Archive”. The DMG (Disk IMage) may open automatically depending on your configuration. If it does not, double-click it...
To tune IntelliJ’s settings when starting the Java virtual machine, go to /Applications/IntelliJ IDEA 10.app/Contents and edit Info.plist: $ sudo bash # cd /Applications/IntelliJ IDEA 10.app/Contents # vi Info.plist Look for VMOptions and put the right options...
Objective-C adds lots of things to C — you have C constructs like structs, unions and pointers, but also objects, protocols, reference counting and garbage collection and a lot more. An object and its primitive counterpart I came across using classes like NSNumber and...
Inspired by Christian’s blog entry about rlwrap (german), I decided to share my functions and settings for Bourne Again shell and Oracle SQL*Plus. Install rlwrap rlwrap is needed to provide more history and ease of navigation at the SQL*Plus prompt. To install rlwrap...
