Which iPads have real GPS chips?
If you develop apps for iPads and want to use GPS location, you will find that you actually need a wifi or cellular connection because most iPads don’t actually have a real GPS chip in them anymore. A few years ago (~2012), most phones switched over to A-GPS (assisted GPS) which many people incorrectly believe is still an [...]
IOS Swift Direction Lock Enabled in ScrollView
In xcode, there is an option for UIScrollViews called Direction Lock Enabled. But the explanation is less than useful – “a boolean value that determines if scrolling is disabled in a particular direction“. What it really does is disabled multiple direction scrolling. Once you start scrolling in one direction, say [...]
ATT U-Verse NVG589 and Amazon Fire won’t find Smartphone Remote
If you got a new Amazon Fire TV and want to use your smartphone as a remote through the Amazon Fire App, you will find that if you use the uverse router NVG589, your phone won’t find the Fire TV. Its because ATT’s router doesn’t support multicast (or UPNP or alot of other great and common wifi features). Which [...]
Arduino + Sainsmart LCD2004 Serial 16×4 LCD Screen
The Sainsmart LCD2004 is a great big 16 character by 4 line LCD screen that gives you a lot of output space but only using 2 output pins from the arduino instead of 6 output pins. The unit can be connected via the analog pin 4 to its SDA (data) and analog pin 5 to its SCL (clock). Each serial device gets a hardware [...]
Laptop won’t start but power LEDs turn on
There is nothing more depressing with a laptop than opening it up, pressing the power key and having the LED status light and screen backlight turn on but nothing happen. CAUSES There is a wide gamut of causes of why a laptop won’t start up. With millions of transistors on its motherboard, the probability of them all working can [...]
Disable SSL3 for Chrome on Mac
If you want to disable SSL3 support in Chrome on a Mac, you will find that there is no option in preferences and the poodle.io site really only tells you how to do it on a PC. The security update is coming soon, but in the mean time, here is how to disable it. Close Chrome and delete it from the Dock Open Terminal (Applications > [...]
Back/Forward on Microsoft Sculpt Comfort
To be honest, this mouse looks and feels great to use. The problem is some of its “features”. Back and Forward buttons This drove me crazy, out of the box, it has 4-way scrolling enabled. Meaning you can scroll left and right with the scroll wheel. I don’t know about you, but I rarely, if ever, have to scroll left [...]