With macOS Cataline some nice new safe feature appeared. Apple always try to defend users from malicious softwares. Unfortunately this can cause several “safe” apps and tools won’t work any more. If the message appears “cannot be opened because the developer cannot be verified” you have allow somehow to run that app. In general you […]
Category: Computers
Quickly check BitCode support of a library
I wrote already about nm which is a great tool to analyze the binaries. This can be used to quickly check whether a binary supports BitCode or not. Just open a terminal where your binary stored and use this command: nm -a -U -A -m <filename> | grep -i bitcode
Viewing a Viewcontroller of a Storyboard in several device aspects at the same time
The preferred way to design a viewcontroller is using storyboard and use autolayout. To help to set up the layouts properly and at the same time visible check the result open more device layouts in preview mode – it is the best moving it to a separate window. Here are the steps: Open the storyboard […]
If TextEdit makes your files wrong
From Mavericks theMAC OS X embedded default text editor tool, the TextEdit uses autocorrection by default so replaces your correct characters to funny ones. This is getting more funny when you open and edit a JSON file for example. And you won’t realize what went wrong a quite long time 🙂 So, just switch it off: Apple symbol […]
Navigating back and forth among Viewcontrollers in Storyboard
In the old days if you wanted to present a ViewController you should call presentModal.. or push… in the code. The problem with this approach is that if you want to modify the presentation you should change the code. To separate this Apple found out the Storyboard – all your ViewControllers in one place. Visually representing the […]
Reset external display settings on mac
Using external display is a great thing. I prefer to use my big external screen rotated by 90º: quite useful for long docs. The problem comes along when you remove the cable while the mac is sleeping: sometimes the system remembers that the screen is rotated but this no more synced with the monitor. It […]
Analyzing binary libraries on Mac
If you want to know the architectures a library supports, just call: lipo -info <libname> lipo is also used to create fat-binaries. If you want to look more deeply into a binary library the easiest way to use nm. NM will list the whole structure of the library together with the public classes/method. It’s under the […]
The case of missing IPA creation option in Xcode
IPA is technically a small install package of iOS platform. You can create it in XCode by creating an archive (Product/Archive menu point) and if the build is ready pressing the Distribution button on the right side of the appearing Organizer window. In the new appearing window just select Save for Enterprise or Ad-Hoc Deployment, sign with […]
Enabling AirDrop – if it doesn’t work
Have you ever experienced that the AirDrop doesn’t work while it definitely should work? Two computers cannot see each other? Ok, first check some cases – on both machines: You have a Mac OS X Lion OS installed wifi is turned on both machines has to have an opened Finder window and the AirDrop should […]