Xcode console commands

1. How do I run a command in Xcode?
2. What is PO command in Xcode?
3. How do I open the console in Xcode 12?
4. How do I run command-line arguments in Xcode?
5. How do I run Xcode on Mac terminal?
6. What is the difference between P and Po?
7. What does LLDB mean in Xcode?
8. What is LLDB in Xcode?
9. What does Exc_bad_access mean?
10. How do I show output in Xcode?
11. How do I open the IOS simulator console?
12. Can you debug Arduino?

How do I run a command in Xcode?

go to the 'Info' tab and in a menu 'Executable' choose 'Other...' in file window go to search input field and type 'terminal' and click on its icon when you find it. Now you should see 'Terminal. app' in 'Executable' field.

What is PO command in Xcode?

The po command (a.k.a. expr --O -- ) does everything that p does, but instead of printing the result, if the result is a pointer to an ObjC object, it calls that object's "description" method, and prints the string returned by that method(*).

How do I open the console in Xcode 12?

4 Answers. You can use the keyboard shortcut: Command + Shift + Y . This will both hide and show the bottom debug area.

How do I run command-line arguments in Xcode?

Right click the executable in your Xcode project and pick "Get Info". Then pick the "arguments" tab and you can set arguments to pass when you run or debug your program from inside Xcode. Go to the Product menu, select "Edit Scheme", then select the arguments tab and add the arguments there.

How do I run Xcode on Mac terminal?

To install Xcode Command Line Tools, navigate to your device's Terminal app again through Spotlight Search. Then, type “xcode-select –install” into your terminal and hit Enter. Instead of clicking “Get Xcode” like before, find and click Install at the bottom-right-hand corner of the new window.

What is the difference between P and Po?

The po command uses the object description, whereas the p and v commands use the data formatters to display the object on the console.

What does LLDB mean in Xcode?

A low-level debugger (LLDB) is the default debugger used in Xcode and is part of the LLVM project. LLDB replaced GDB in XCode 5 and has several advantages, such as performance and scriptability.

What is LLDB in Xcode?

LLDB is the default debugger for Xcode on Mac OS and supports debugging C, Objective-C, C++, and Swift on Desktop machines, iOS devices and simulators. For most Mac and iOS developers, LLDB is the most commonly used debugging tool besides Xcode interface breakpoint debugging.

What does Exc_bad_access mean?

EXC_BAD_ACCESS is an exception raised as a result of accessing bad memory. We're constantly working with pointers to memory in Swift that link to a specific memory address. An application will crash whenever we try to access a pointer that is invalid or no longer exists.

How do I show output in Xcode?

Here is small tip for Xcode developers. To show/hide the Console click the icon Show/Hide the console in the lower right corner. It's the last icon on the lower right side of the panel. Comments are closed.

How do I open the IOS simulator console?

log , which can be open by Select Simulator -> Debug -> Open System log on Xcode 11.

Can you debug Arduino?

Start Debugging

Now you can debug in Visual Micro as normal on your Arduino Uno, without an external hardware debugger. NOTE - you may need to re-open the alternative serial monitor again after debugging begins the first time.