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: Tips
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 […]
Good reading about interviews
http://www.toptal.com/freelance/in-search-of-the-elite-few-finding-and-hiring-the-best-developers-in-the-industry
Select items from a list without repetition
There are more solutions how to select items from a list randomly Initial steps: Cycle from 1 to N Select the item at random index, add it to the result array Solutions: if the item is already in the list skip. Drawbacks: your number of iterations could be huge Remove the item from the original […]
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 […]
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 […]