Author: Johannes Luderschmidt

How to remove Big Files and Folders from Git or How To Fix Github’s Maximum File Size Problem

I have recently had the problem that I wanted to move my Git repositories from a self-hosted repository to Github. One of those repositories contained a fair amount of external libraries (to be precise lots of Cocoa pods). When I

Posted in git

Git is Easy

Posted in git, Version Control

How to Make Sure That You Are Using an Enterprise Account for IPA Provisioning

In my post describing how to »Provision iOS IPA App for In-House Enterprise Distribution« I described the pitfalls when trying (and hopefully succeeding) to make an In-House Provisioning of your iOS app. Although I mention repeatedly that you need to

Posted in In-House Provisioning, iOs, Xcode Tagged with: in-house provisioning, iOs, xcode


Posted in Usability

Swift Extension for Location Authorization Requests in iOS

A while back I wrote an Objective-C category that helps you managing location authorization requests. As I needed the same functionality in a Swift-based project, I did the effort to transfer the code into Swift. You can download the Swift

Posted in iOs, Swift Tagged with: iOs, swift, xcode

Cocoapods Swift does not work with use_frameworks! Fix

I have a mixed Objective-C/Swift project and activated use_frameworks! in my podfile because I wanted to use a Swift-based pod. In order to enable the usage of the Objective-C-based pods in your Swift code, I thought it would be necessary

Posted in Cocoa, iOs, Swift Tagged with: cocoa pods, import, podfile, problem, swift

A Simple Approach to App Localization using Xcode, XLIFF and Objective-C

When it comes to localizing applications for iOS or Mac OS, things get pretty quickly messed up and cumbersome. The tool support by Apple is – friendly spoking – lacking consistency. Especially if you are updating your code and want

Posted in apple, iOs, Mac OS X, Objective-C, Xcode Tagged with: apple, iOs, localization, Mac OS, Objective C, XLIFF

How to Prevent Dismissing Containing View Controller when Performing a Double-Tap on a UIPopoverController’s Background under iOS8 in Objective-C

When opening up a popover from a modal view (or another popover) on an iPad running iOS 8 and double-tapping on the background of the popover, not only the popover will be dismissed but also the modal view. This behavior

Posted in Cocoa, iOs, iPad, Mac, Objective-C, Xcode Tagged with: bugfix, iOs, iPad, popover

Category for Setting Maximum Length of Text in UITextFields on iOS using Objective-C

Unfortunately, there is no property for UITextField that allows controlling the maximum length of text entered into it. Instead, this behavior can, for instance, be achieved by using an appropriate delegate method of the UITextFieldDelegate.

Posted in iOs, Objective-C, Xcode

Problems installing Mac OS X Yosemite 10.10 Virtual Machine in Parallels 10 – No Recovery Partition

I’ve came across the problem that i cannot create a new virtual machine of Mac OS X Yosemite 10.10 on my new Mac Mini. The problem I experience is that there is no option on the install screen prompting me

Posted in Mac, Mac OS X, Virtualization Tagged with: installation, Mac OS X, parallels, virtual machine, yosemite