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mySQL Optimisation in Windows IIS or Linux / CPanel platforms

Learn how to optimise mySQL in Windows or Linux/CPanel with this informative video by CPanel themselves!

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Arduino Temperature Thermistor Circuit and Calculation Code

So you want to meassure temperature of something using an Arduino product. By far the cheapest way to do this is by using a 10k Ohm NTC Thermal Resistor divider circuit and an analog pin on an Arduino! The Circuit will be something like this image. The idea is to pull GND through the variable […]

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How to Modify the Hosts file on Mac OSX 10.8

Ok, this is pretty simple really. First Open up Terminal on your mac, typically found in Applications -> Utilities -> Terminal From there run sudo nano /private/etc/hosts Then it will ask you for your currently logged in Administrator password, this is necessary to auth the access/modifications to the file. Nano editor is pretty self explanatory and I guess if […]

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iPhone Development – Using NSTimer for Repeating a function

I recently ran into some interesting issues with an NSTimer I had running in a iPhone App within the area shown below (viewDidLoad). This is the correct way to launch scheduled time interval function however….. The wrong spot! – (void) ViewDidLoad { [super viewDidLoad]; NSTimer timer1* [NSTimer scheduleTimerWithTimeInterval:5.0 target:self     selector:@(timer1Tasks) userInfo:nil repeats:YES]; } […]

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iPhone Development Color Chooser from HEX

So, as many of you iPhone Development people out there may know the UIColor users a 0-100 floating point number style input to achieve a custom colour in code. After some trawling the web tonight when I needed to match a specific colour and dynamically change a Buttons background tint or .tintColor depending on a […]

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XBee S1 802.15.4 Guide

So lately I’ve had a need to include wireless communications in some projects and after much research I chose to tackle the XBee platform. This was for many reasons but to just name a few; robust, reliable, industry standard, well supported and simple to utilise with even the most basic understandings. Anyone who has dealt […]

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24Ch Analog i2C Expander Shield for Arduino by BlueberryDe.com

This post is more about a cool Arduino Shield I made for the Arduino Uno, I was working with some CD4051BC chips on a project and figured I would breadboard and use an arduino to test a few ideas. Curious I thought someone might have come up with an analog expander shield or similar but […]

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Program for Fading between colours smoothly using PWM an RGB LED and an Arduino Uno

UPDATE! See my updated version of this code here I was just messing around with some cheap RGB Leds I got off ebay and decided to replicate the smooth colour changing I seen on some Ikea lamp a while back… There are more complicated ways of doing this with less program “bloat”, for lack of […]

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How to Enable the built in Anti-spam with Exchange 2010

Just a short one on how to enable the Anti-Spam function on the Hub Transport server, this is written for Microsoft Exchange Server 2010 however it is the same process for Exchange 2007 also. This ads some useful functions like IP Block list Providers, Sender Reputation and Content Filtering options. First close your Exchange Management […]

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WordPress Fatal error: Allowed memory size of issue and how to fix it

So I have run into this issue with some wordpress sites more often of late, I guess shared hosting servers or similar are tightening their reign on memory allocation? In any case, funnily enough, as I went to post this very post I received the same Fatel error on TechHelp Blog!! So I had to perform my […]

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