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Batch Updates Solve Long-standing Issue with Core Data

by Sergio De Simone on  Oct 06, 2014

Core Data batch updates, introduced in iOS 8 and OS X Yosemite, aim at fixing a long-standing limitation of the Core Data stack, as developers had been asking for many years. Let's review the problem that batch updates solve, how they work, and an alternative to them involving a rethinking of data normalization strategy.

Remote Code Exploitation through Bash

by Alex Blewitt on  Sep 29, 2014 2

A remote exploit (CVE-2014-6271) has been in bash discovered that potentially affects any application that uses environment variables to pass data from unsanitised content, such as CGI scripts. After the release went public, other exploits were discovered (CVE-2014-7169). Official patches have been released to fix them. (Originally posted 24 September, updated 25, 26 and 29 September)

ShellShocked - Behind the Bug

by Alex Blewitt on  Sep 29, 2014 2

The recent vulnerabilities in the Bash shell initially stemmed from a remote execution exploit, which was patched and made available through responsible disclosure before being announced. However, since the initial release there have been other flaws detected which became zero day threats. What exactly was the problem with Shellshock, and is it truly fixed? InfoQ explains what happened.

Swift Turns 1.0: The Evolution of a Language

by Sergio De Simone on  Sep 10, 2014

Apple has announced that Swift 1.0 has reached GM status on iOS and developers can now start submitting apps that use Swift. The language will continue to evolve, say Apple, as it has done since its announcement at WWDC 2014 last June. This is a short summary of its evolution.

Xamarin.Mac and iOS Now Have a Unified API and 64-bit Support

by Abel Avram on  Aug 20, 2014

Xamarin now provides a single API for both Mac OS and iOS for 32-bit and/or 64-bit.

Google Chrome PDF Engine is now Open Source

by Sergio De Simone on  Jun 20, 2014

Google has open sourced Chrome PDF engine, which allows to view and print PDF files, and fill PDF forms. The announcement came earlier this month from Foxit Software, the original maker of Foxit PDF SDK, which Google chose as the base for its Chrome PDF engine. Formerly closed-source, Chrome PDF code is now hosted on Google Source as the PDFium open source project.

Swift Might Not Be As Fast As Apple Claims It To Be: First Benchmarks

by Sergio De Simone on  Jun 11, 2014 2

Performance is one of the benefits that Apple claims its new Swift programming language should bring to OS X and iOS developers, and being in beta hasn't prevented independent developers from running benchmarks and reporting their findings. Perhaps unsurprisingly these show that in some cases Swift performance is not yet satisfactory.

Online Resources to Learn Apple's Swift Language [Updated Sept, 9 2014]

by Sergio De Simone on  Jun 05, 2014 4

Apple introduction of Swift, a new programming language for the OS X and iOS platform, has sparked some interest from the developers' community. If you are interested in learning more about Swift, here you can find some useful online resources.

Apple Releases Swift, a High-performance High-level Language for iOS and OSX

by Alex Blewitt on  Jun 03, 2014 6

Today at WWDC 2014, Apple announced the beta availability of a new programming language, swift, which is set to ship with iOS 8 and OSX Yosemite later this year. Swift is a high-level programming language that will be familiar to JavaScript developers, but is compiled using LLVM to produce highly performant executable code for both OSX and iOS platforms.

Xamarin’s Rough Transition to 64-bit iOS/OSX

by Jonathan Allen on  Nov 14, 2013 1

In order to support 64-bit iOS and OSX, Xamarin has to make some breaking changes to the way it implements the mapping between C# and Objective-C libraries. Rather than being mapped to 32-bit types, NSInteger and CGFloat are now mapped to the new platform-specific data types nint and nfloat.

Developing iOS Games on Ruby

by Manuel Pais on  Sep 30, 2013

Brian Sam-Bodden, founder of Integrallis, gave a demonstration at the Barcelona Ruby Conference on how to leverage RubyMotion and open source 2D graphical libraries to quickly create 2D games for iOS in plain Ruby without any knowledge of Object-C.

Harlan with Support for Rich Data Structures, Trees, Ragged Arrays and Higher Order Procedures

by Anand Narayanaswamy on  Jul 15, 2013 1

Harlan programming language developed by Eric Holk, a doctoral student at Indiana University provides support for rich data structures, trees and ragged arrays in addition to higher order procedures.

Quickly Create Mono Bindings with Objective Sharpie

by Jonathan Allen on  May 10, 2013

Objective Sharpie is the child of Aaron Bockover. This tool creates C# bindings suitable for use in Mono for Objective C SDKs. Objective Sharpie works by using Clang to parse Objective C header files. Since the process is automated, and has full access to the header, binding errors should be non-existent for most libraries.

Xamarin 2.0 Brings a New IDE, Visual Studio Add-in for iOS and a Component Store

by Abel Avram on  Feb 21, 2013 3

Xamarin has made yet another major step in completing their vision on providing a set of common tools for cross-platform mobile development. With the announcement of Xamarin 2.0 comes a rebranding of their products, a new IDE called Xamarin Studio, a Visual Studio add-in for iOS development, and a component store, the later being detailed by Miguel de Icaza for InfoQ.

GitHub Boxen: Automating Mac OS X Configuration and Management

by Abel Avram on  Feb 19, 2013

GitHub has open sourced Boxen used internally for automated configuration of Mac laptops, a tool that could be converted to set up Linux or Windows machines.

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