icurtain development blog

change linux process priority with nice and renice

2009-12-03 04:51:10

Process priorities are set between 20 (lowest) and -19 (highest)

To launch a task with a priority of 5 try:
mike@mikebox:~$ sudo nice task 5

If you're laptop is overeha

Ubuntu 9.10 screen flashing and keyboard unresponsive

2009-10-30 10:23:12

If Ubuntu 9.10 boots up to a flashing screen and unresponsive keyboard chances are your xwindows configuration isn't working - you can check this by running /etc/init.d/gdm stop (you should

Ubuntu alsa-utils sound Issues

2009-10-22 21:16:06

Alsa-Utils sound in Ubuntu 8+ is buggy as hell and always seems to die on me When the sound goes all crackly and

m@m:~$ /etc/init.d/alsa-utils restart

doesn't work; try

PHP Hash Maker - MD5, SHA1 etc

2009-08-22 12:14:28

The Hash maker is a quick and easy way to either make hashes and use them directly or try to work out what your lost password was

I find it q

dbPHP - Object Relational Mapping for PHP

2009-05-16 12:54:42

dbPHP is a lightweight framework allowing object relational mapping between (at present) mySQL and PHP.��
d

RSS Feed

2009-05-12 08:19:42

icurtain rss feed

Information Evil? - Extending the Panopticon

2009-03-27 14:56:44

Foucault argues t

MySQL full indexed text search - just like a real database!!

2009-03-24 21:35:34

As of My Sql 3.something you can now add text indexes to your columns and do full text searches with relevance ranking! text indexes are fantastic and allow more efficient searching and catego

PHP Colour Changing Background Algorithm

2009-03-24 14:45:24

This returns the average colour of an image in PHP using GD libraries and then, assuming you ahve no sense of design, you could use this to set the background colour of a page. This code can be slo

Bluetooth connection manager in Mobile Java J2ME

2009-03-17 09:00:25

This Bluetooth Java connection manager class and its data package class have quite a few issues - main one being that the thread for checking the incoming data stream should be reading each byte of

find java path in ubuntu

2008-12-08 10:29:42

finding the java path in ubuntu is easy, just follow the links... most links live in /usr/bin so:

mike@mbox:/$ ls -l /usr/bin/java
lrwxrwxrwx 1 root root 22 2008-12-07 22:16

sql

2008-12-08 08:12:42

sql�
�
SERVEROUTPUT ON�
�
declare�
� �result_limit number := 10;�
� �current_query_no nu

mounting external discs

2008-11-10 22:09:07

sudo fdisk -l
sudo mount -t ntfs-3g /dev/target /media/target

World Brain

2008-10-23 10:13:02

World Brain - Final Year Project

The aim of this project is to create a method allowing websites to exchange user data between one another both upon the direct request of the user and as

Telnet to Netgear Box

2008-09-04 08:50:18

To telnet to your Netgear box and play with all the onboard settings try the following

http://192.168.1.1/setup.cgi?todo=debug

where 1

Install Nvidia Drivers on Ubuntu

2008-08-25 05:50:41

First stop the X Server

This should be done by running sudo gdm stop but ubuntu keeps restarting them

chmod -x /etc/rc3.d/gdm

then drop into init level 3

you

Virgin broadband is crap - 20mb = 6mb

2008-08-14 10:52:07

Against my better judgement I recently had Virgin's 20 mb package installed. The actual connection speed averages out about 6mb.

Customer service is a very special experience, if you are

PHP Get/Set Generator - getters and setters for public functions

2008-07-23 15:28:19

get/set code generator for PHP - all Java development environments allow you to generate getter and setter code automatically

Projects for July 2008

2008-07-13 21:06:27

Finish ORM classes for database and XML
Work on existing systems to implement full XML output from logic classes to display classes

PHP Variable Variables..

2008-07-01 18:41:15

$var = "value";
$value = "some value";
echo $$var;

For some insane reason PHP allows you to have variable variables.. if you ever use these you should probably be pro

Session Cookie Manager class for cookies in PHP

2008-06-27 20:15:40

Here is a little class I've written to make handling cookie sessions a little nicer in PHP. I'm not a big fan of session cookies but PHP makes a real mess of 'transparent' session ids with sea

PHP ArrayList Class

2008-06-25 13:16:47

PHP ArrayList Class - Having spent the last year working in Java, working with PHP now makes me cry and weep in anguish.. for many reasons, one of the main ones being its' complete inability to sto

whois on linux

2008-06-19 07:21:08

installing whois on a linux box

# sudo apt-get install jwhois

# yum install jwhois

browse to: http://packages.qa.debian.org/j/jwhois.html

find t

search for DHCP servers on a network - dhclient

2008-06-16 09:33:26

If you wish to search for DHCP servers on a network just type:
dhclient [interface]
and it will bring back information on all running DHCP servers on your subnet

compile kernel in gentoo

2008-06-10 08:40:34

compile kernel in gentoo

cd /usr/src/linux/

make menuconfig

Linux Kernel v2.6.*-gentoo Configuration

make

make modules_install

cp arch

Open Office - Unsatisfied Link Error

2008-06-09 09:55:04

when running open office from a bootstrap routine or in headless mode for batch processing make sure the following settings to avoid an unsatisfied link error

soffice -accept="pipe,name

PHP Luhn Checker - validates credit cards etc

2008-06-09 06:41:30

This section of code validates a credit card or any other luhn number - useful as an initial card number check for merchant interfaces etc

the function returns either 0 or 1 depending on w

Command Line Web Browser

2008-06-05 11:51:57

If need to browse the world wide web and you are either running in an ssh window or you really hate the whole web 2 thing.. help is at hand

Centos
yum install lynx

Debi

Centos NFS Install

2008-06-04 11:41:15

Download the Centos Boot image
Download the Centos DVD image and save it on an NFS enabled share on your lan

Install with Network boot CD

choose to boot: linux text

sql server - set db offline

2008-05-30 06:14:34

if you can't track down all the life connections and you need to force changes:

use master
alter database db_name set offline with rollback immediate

java - find a number in a string

2008-05-07 01:39:01

Pattern p = Pattern.compile("[0-9]");

Matcher m = p.matcher("asdas12dsad");

System.out.println(m.find());

Foreign Key Constraints and Persistence Issues in Seam

2008-04-30 09:30:19

public String persist() { //this forces the persist function to persist IbUser before Rcs User and avoids the FKC issue getEntityManager().persist(getInstance().getIbUser()); return sup

http://kb.mozillazine.org/Browser.cache.disk_cache_ssl

2008-04-18 04:15:53

http://kb.mozillazine.org/Browser.cache.disk_cache_ssl

Ubuntu 7.10 with Beryl on ATI Mobility Radeon X700

2008-04-11 04:00:41

It took a day of playing but it is possible to get Beryl running with the proprietary ATI X700 drivers at a reasonable speed under Ubuntu (on an Acer Aspire 1691wlmi)

The biggest problem

how to rip a dvd to mpg in 7 lines of perl

2008-04-01 09:55:50

#!/usr/bin/perl -w
# 531-byte qrpff-fast, Keith Winstein and Marc Horowitz
# MPEG 2 PS VOB file on stdin -> descrambled output on stdout
# arguments: title

SQL - Composite Primary Keys

2008-03-19 04:02:13

http://weblogs.sqlteam.com/jeffs/archive/2007/08/23/composite_primary_keys.aspx

Vista Style Buttons CSS

2008-03-11 10:47:08

Resizable Vista style buttons with a gradient in XHTML/CSS

As I had to spend an entire afternoon trying to get these to work I might as well post them

To get your lovely Vista Sty

Automatic Zimbra Backup

2008-03-10 05:37:00

If you are backing up Zimbra to a remote NFS file system then you should probably mount it in the fstab r the init.d - bear in mind that if the remote box cannot be found on boot or shutdown the

PHP Image handler.. and why PHP is limited in usefulness

2008-03-07 16:35:19

This little application was an attempt to map an image into an array of pixel objects using the PHP GD libraries and it's made me painfully aware of how limited PHP is in it's ability to handle lar

Useful Regex for CSV to SQL

2008-03-07 10:30:51

As a point of reference

how to convert a comma delimited file to an SQL insert
Assuming your data is the following

'key','value','0'
'key','value','1'

EJB3 EntityManager Find

2008-03-06 06:12:18

@In("myEntityManager")
private EntityManager em;

...

MyObject myObject = em.find(MyObject.class, myObjectPrimaryKey);

java.sql.SQLException: User not found: SA [SOLVED]

2008-03-05 03:12:52

WARN [org.jboss.system.ServiceController] Problem starting service jboss:service=Hypersonic,database=localDB
java.sql.SQLException: User not found: SA

It's possible that your jbos

Mulitple OR conditions in SQL

2008-02-26 06:08:58

based on

Instead of the following:

SELECT
ot

Borders Voucher - Valid till Feb 29th 2008

2008-02-16 08:55:07

Borders Voucher - Valid till Feb 29th 2008

Exception creating identity: domainName

2008-02-13 09:17:52

caused by: java.lang.RuntimeException: Exception creating identity: domainName

Solution

your computer can't find itself

go to:

etc/hosts
make sure the loo

Seam - Database Image to Screen Output

2008-02-01 03:51:30

front end

a4j:mediaOutput id = "telephone" element = "img" mimeTye = "image/png"
createContent = "#{imagePainter.drawImage}"
value="#{object.i

Cannot insert explicit value for identity column

2008-01-28 03:58:53

ERROR [org.hibernate.util.JDBCExceptionReporter] Cannot insert explicit value for identity column in table 'table' when IDENTITY_INSERT is set to OFF.

ERROR [org.hibernate.event.def.Abstr

French Financial Crisis - Jerome Kerviel

2008-01-25 10:15:04

Friends of rogue trader Jerome Kerviel last night blamed his $7 billion losses on unbearable levels of stress brought on by a punishing 30 hour week.

Kerviel hid his November losses in a

ejb ql

2008-01-17 05:20:25

SELECT SUM(p.orderTransaction.transAmount) FROM Payment AS p JOIN p.memberPaymentMethod AS mpm JOIN

EJB QL Query Example

2008-01-16 10:58:55

SELECT
SUM(p.orderTransaction.transAmount)
&n

Object Relational Mapping in PHP

2008-01-15 03:39:44

http://en.wikipedia.org/wiki/List_of_object-relational_mapping_software#PHP

Gateway on Centos

2008-01-10 09:33:02

How to change your gateway in Centos

temporary change:

route del default gw 192.168.1.1

route add default gw 192.168.0.1

pemanent change

cd /etc/sysconfi

Changing CVS file permissions with chown

2007-12-13 04:08:44

If someone has added something to CVS with incorrect permissions (ie. their own username instead of cvs) then you can do the following

# chown -R cvs templates/ - changes ownership o

Set Date Linux

2007-12-12 04:09:16

Setting the date in linux

# date 121210312007

in the format - DDMMhhmmYYYY

# date

returns: Wed Dec 12 10:31:00 GMT 2007

type to commit to the hardware clock

Find Files Linux

2007-12-10 03:29:19

find [dir] -name '[name]'

# find / -name '*'

Nvidia MCP61 noapic linux network card bug

2007-12-07 10:22:21

When using any board that utilises the Nvidia NForce 6100 (MCP61) chipset with Linux you will probably have to add the boot option of noapic as due to all the funky energy saving features on the bo

SecPay Enumerated Type

2007-12-07 07:30:03

public enum SecpayErrorType {

authorised ("Transaction authorised by bank. auth_code available as bank reference"),

Open Source Solutions

2007-12-05 07:53:34

Open source alternatives for common desktop tasks in Windows and Linux

CD Burning Software

xmlns:s="http://jboss.com/products/seam/taglib"

Java For Loop

2007-12-03 09:15:55

for (OrderTransaction orderTransaction : secPayResultList) {

for(Payment payment : orderTransaction.getPayments()){

Linux Start Up

2007-12-03 09:03:31

/etc/rc.* contains symbolic links to all start up scripts

cnnet.hk scam

2007-12-03 06:33:53

If you receive email from cnnet.hk purporting to be from the main domain name registrar in China be very sceptical. China's main registrar is http://www.cnnic.net.cn/ and this company appears to be

Setting up JBOSS Seam

2007-11-30 04:26:10

from a command prompt/shell within the jboss-seam directory type the following:

[path...]\jboss-seam-2.0.0.GA>seam setup
Buildfile: [path...]\jboss-seam-2.0.0.GA\seam-gen\build.x

Telediscount TOPUP

2007-11-26 17:16:24

Telediscount TOPUP is a complete fraud.. they take your money for the text and then don't give you any minutes - you'll also be happy to know that there is no way to contact any one regarding it when

RHEL (redhat) Install Manager

2007-11-26 04:36:06

install package: yum -y install application_name

(gentoo/ubunto)get package: apt-get application_name

seam back end code references

2007-11-23 04:03:50

@Name sets the front end reference point to the entity bean

@Name("userList")
public class UserList extends EntityQuery {

User user = new User();

public

Midas-Iflow CVS

2007-11-22 08:01:26

Check out as a project configure using the new project wizard
_> Head
-> java
-> java project

iFlow

libs - add all
order & export - select

JSF RichFaces - Get Page Name

2007-11-19 08:04:44

to get the page ID of the current page = #{facesContext.viewRoot.viewId}

drop-down box in RichFaces

2007-10-30 06:49:50

linux free drive-space command

2007-10-22 11:48:49
web development

A, MX Record and Cname

2007-10-22 04:02:34

www, @, * - A Record 205.178.189.131

MX Record mail.sub-domain.co.uk PRI 10

CName Alias - for subdomains

references and grouped searches in textpad regex

2007-10-16 03:40:48

when you group searches in the textpad regex editor you have to escape the grouping brackets with a backslash otherwise it searches them as literal characters

for example:
\([0-9]

Code Wank

2007-10-05 05:58:54

code /ko?d/ [kohd] noun, verb, cod�ed, cod�ing.
wank /w�?k/ [wangk] Chiefly British and Australian Slang: Vulgar

Code Wank - Definition: Creating code that does not relat
reg-ex

2007-10-03 12:09:17
1. ]+>
open ports in firewall etc

2007-09-25 09:38:52

chown munin:munin /usr/share/munin/plugins*

chmod 0755 /usr/share/munin/plugins*

ln -s --target-directory=/etc/munin/plugins /usr/share/munin/plugins*

iptables -I RH-F

Samba System Share

2007-09-20 08:31:28

cd /etc/samba/
nano samba.conf

# Security mode. Defines in which mode Samba will operate. Possible
# values are share, user, server, domain and ads. Most people will want

Message file sp1.msb not found - solution

2007-09-17 11:18:22

export ORACLE_HOME=/usr/lib/oracle/xe/app/oracle/product/10.2.0/server/

SSH on Ubuntu

2007-09-17 05:52:22

to install SSH on ubuntu type:
sudo apt-get install openssh-server

make mod_jk in Debian Sarge

2007-09-14 12:35:19

under debian enter the following command to make sure your compiler environment is working

set up your environment with
apt-get install libtool autoconf gcc apache2-prefork-dev

icurtain development blog

change linux process priority with nice and renice

Ubuntu 9.10 screen flashing and keyboard unresponsive

Ubuntu alsa-utils sound Issues

PHP Hash Maker - MD5, SHA1 etc

dbPHP - Object Relational Mapping for PHP

RSS Feed

Information Evil? - Extending the Panopticon

MySQL full indexed text search - just like a real database!!

PHP Colour Changing Background Algorithm

Bluetooth connection manager in Mobile Java J2ME

find java path in ubuntu

sql

mounting external discs

World Brain

Telnet to Netgear Box

Install Nvidia Drivers on Ubuntu

Virgin broadband is crap - 20mb = 6mb

PHP Get/Set Generator - getters and setters for public functions

Projects for July 2008

PHP Variable Variables..

Session Cookie Manager class for cookies in PHP

PHP ArrayList Class

whois on linux

search for DHCP servers on a network - dhclient

compile kernel in gentoo

Open Office - Unsatisfied Link Error

PHP Luhn Checker - validates credit cards etc

Command Line Web Browser

Centos NFS Install

sql server - set db offline

java - find a number in a string

Foreign Key Constraints and Persistence Issues in Seam

http://kb.mozillazine.org/Browser.cache.disk_cache_ssl

Ubuntu 7.10 with Beryl on ATI Mobility Radeon X700

how to rip a dvd to mpg in 7 lines of perl

SQL - Composite Primary Keys

Vista Style Buttons CSS

Automatic Zimbra Backup

PHP Image handler.. and why PHP is limited in usefulness

Useful Regex for CSV to SQL

EJB3 EntityManager Find

java.sql.SQLException: User not found: SA [SOLVED]

Mulitple OR conditions in SQL

Borders Voucher - Valid till Feb 29th 2008

Exception creating identity: domainName

Solution

Seam - Database Image to Screen Output

front end

Cannot insert explicit value for identity column

French Financial Crisis - Jerome Kerviel

ejb ql

EJB QL Query Example

Object Relational Mapping in PHP

Gateway on Centos

temporary change:

pemanent change

Changing CVS file permissions with chown

Set Date Linux

Find Files Linux

Nvidia MCP61 noapic linux network card bug

SecPay Enumerated Type

Open Source Solutions

Java For Loop

Linux Start Up

cnnet.hk scam

Setting up JBOSS Seam

Telediscount TOPUP

RHEL (redhat) Install Manager

seam back end code references

Midas-Iflow CVS

JSF RichFaces - Get Page Name

drop-down box in RichFaces

linux free drive-space command

A, MX Record and Cname

references and grouped searches in textpad regex

Code Wank

reg-ex

open ports in firewall etc

Samba System Share