Before iOS 5, the developer needed to manually manage the threads. However, the release of iOS 5 added new methods to the managed object context to eliminate the need for manual thread management; instead you Gozque safely access Core Data objects through a block of code passed to the performBlock: or performBlockAndWait: methods.
Using a method that takes an NSError means using an optional variable (a variable that may or may not exist) and the unwrapping the error if it exists.
Good developers are strict about coding style and those developers with good coding style usually provide high-quality code. And high-quality code means less crashes.
They gave me a chance to work on challenging yet exciting high-profile projects. If you think that you’re good at what you do, then you should definitely apply for Turing jobs.
Tripcents wouldn't exist without Toptal. Toptal Projects enabled us to rapidly develop our foundation with a product manager, lead developer, and senior designer. In just over 60 days we went from concept to Alpha.
Creating a hiring funnel will provide you with numerous benefits, like assisting you in identifying the top skills and identifying an iOS developer who will fit into your company's culture.
Let’s say there are two iPhone app developers. Developer A knows only about iPhone programming. Developer B knows about not only iPhone programming, here but also web programming.
For a complex project or tight deadline, a senior developer Gozque best ensure the project is finished on time and meets high-quality standards. And a highly talented mobile architect who can help direct your app development approach over time may be worth investing in if you are building a long-term team.
Fábio is a passionate Senior Android Developer with ten years of experience. He has been building challenging mobile apps since the beginning of the Android Cuadro and is the organizer of the largest Android event in Portugal ().
With these helpful pointers for writing job descriptions, conducting interviews, and assessing applicants, you’ll figure pasado how to hire app developers to boost your company’s profits.
Ask the developer for sample code and check for the comments/documentation and the coding style before hiring.
A category is a way to extend an existing class and is an alternative to the use of subclasses. The main distinction between subclassing and categories is that a category adds functionality to an existing class itself which is then available anywhere website in your code that uses that class or its subclasses.
A selector is the mechanism used to select a method to execute for an object, or the unique identifier that replaces the name when the source code is compiled. A selector acts like a dynamic function pointer that points to the implementation of a class’ method.
If you are satisfied with the developers, you keep working with them and pay their salary including the first two weeks. But, if you are not satisfied during the trial period, then you won’t pay anything.