Symptoms of celiac disease can vary from mild to severe. Some people have no symptoms, although they still are developing intestinal damage. Celiac disease is sometimes misdiagnosed as irritable bowel syndrome, Crohn's Disease, or gastric ulcers. Digestive symptoms may include: 1  Abdominal bloating and pain. 2  Diarrhea. 3  Vomiting. 4  Constipation. 5  Pale, foul-smelling stool.
For other uses, see IOS (disambiguation). iOS (formerly iPhone OS) is a mobile operating system created and developed by Apple Inc. exclusively for its hardware. It is the operating system that presently powers many of the company's mobile devices, including the iPhone, iPad, and iPod Touch.
The programming languages and initial hurdles are different for each platform. To become an iOS app developer, you need a Mac computer to run the programming tools. Then you have to pay $99 to Apple to sign up as a developer and download the tools.iring someone to flesh out an idea for an app can also be challenging, given the demand for good developers. But even if you donât strike it rich, app development is not a bad skill to learn, and it could open doors at many companies.