Top "Backwards-compatibility" questions

Backward compatibility refers to a software or hardware system that can successfully use interfaces and data from earlier versions of the system.

Str.format() for Python 2.6 gives error where 2.7 does not

I have some code which works well in Python 2.7. Python 2.7.3 (default, Jan 2 2013, 13:56:14) [GCC 4.7.2] on linux2 Type "help", "copyright", "credits" or "…

python python-2.7 string-formatting python-2.6 backwards-compatibility
Is there a way to install older iOS SDKs in Xcode?

I'd like to ensure some backward compatibility for my apps by compiling them using the older SDKs to test for …

iphone ios xcode backwards-compatibility
EcmaScript-6 backward compatibility

I am curious to understand/figure-out if the ECMAScript-6 new-changes will work on the old browsers or not. Why I …

javascript ecmascript-6 backwards-compatibility ecmascript-5
Best practices for API backwards compatibility

I'm working on an iPhone/iPad/Android app which communicates with a JSON API. The first release of the version …

api backwards-compatibility
Old projects compatible with Java 7

My old projects use Java 6 (1.6), and I don't know when I update (Java 7), they can run fine ?

java backwards-compatibility java-7 java-6
Viewing ACCDB with Access 2010 runtime when Access 2007 is installed

I'm hoping someone can either tell me what I'm doing wrong correct my flawed understanding of how this works and …

ms-access ms-office runtime backwards-compatibility version-compatibility
Are Visual Studio 2008 and Visual Studio 2012 solutions"compatible"?

I edited my project (which was written in school using Visual Studio 2008) at home using Visual Studio 2010 Express. When I …

visual-studio-2010 visual-studio-2008 backwards-compatibility assemblyinfo
Alert that can work on iOS 7 and iOS 8

I'm getting dyld: Symbol not found: _OBJC_CLASS_$_UIAlertAction when I'm trying to get this monstrosity to run. How do …

ios backwards-compatibility swift
Protobuf backward compatibility and proto3 vs proto2

One of selling points of Protobuf was backward compatibility, i.e. developers can evolve format, and older clients can still …

protocol-buffers compatibility backwards-compatibility proto3