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Memory Layout of C Programs

I) What is memory managerment? Memory management is the process of controlling and coordinating computer memory, assigning portions called blocks to various running programs to optimize overall system performance. Memory management resides in hardware, in the OS (operating system), and in programs and applications. In hardware, memory management involves components that physically store data, such as RAM (random access memory) chips,...

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IOS Virtual private networks (VPN)

OVERVIEW Secure access to private corporate networks is available in iOS and OS X using established industry-standard virtual private network (VPN) protocols. Out of the box, iOS and OS X support Cisco IPSec, L2TP over IPSec, and PPTP. iOS also supports IKEv2. If your organization supports one of these protocols, no additional network con guration or third-party apps are required in order to connect Apple devices to your VPN. iOS and...

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Memory Managerment In Objective C/ Swift

I - About Application memory management is the process of allocating memory during your program’s runtime, using it, and freeing it when you are done with it. In Objective-C, it can also be seen as a way of distributing ownership of limited memory resources among many pieces of data and code. When you have finished working through this guide, you will have the knowledge you need to manage your application’s memory by...

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Core data investigate

What is core data? Is an object graph and persistence framework provied by Apple in MacOSX and iOS operating systems. It allows data organised by relational entity- attribute model to be serialised into XML, binary, Sqlite stores. Core data directly with SQLite Core data handles many of the duties of the data model. Among other tasks, it handles change management, serializing to disk, memory footprint minimization, and quires...