What killed my process and why?
If the user or sysadmin did not kill the program the kernel may have. The kernel would only kill a process under exceptional circumstances such as extreme resource starvation (think mem+swap exhaustion).
process
Xcode process launch failed: Security
If you get this, the app has installed on your device. You have to tap the icon. It will ask you if you really want to run it. Say “yes” and then Build & Run again. As from iOS 9, it is required to go to Settings → General → Device Management → Developer App … Read more
How can I measure the actual memory usage of an application or process?
With ps or similar tools you will only get the amount of memory pages allocated by that process. This number is correct, but: does not reflect the actual amount of memory used by the application, only the amount of memory reserved for it can be misleading if pages are shared, for example by several threads … Read more
How do I get the application exit code from a Windows command line?
A pseudo environment variable named errorlevel stores the exit code: echo Exit Code is %errorlevel% Also, the if command has a special syntax: if errorlevel See if /? for details. Example @echo off my_nify_exe.exe if errorlevel 1 ( echo Failure Reason Given is %errorlevel% exit /b %errorlevel% ) Warning: If you set an environment variable … Read more
What is the difference between a process and a thread?
Both processes and threads are independent sequences of execution. The typical difference is that threads (of the same process) run in a shared memory space, while processes run in separate memory spaces. I’m not sure what “hardware” vs “software” threads you might be referring to. Threads are an operating environment feature, rather than a CPU … Read more
Find (and kill) process locking port 3000 on Mac [closed]
You can try netstat netstat -vanp tcp | grep 3000 For macOS El Capitan and newer (or if your netstat doesn’t support -p), use lsof lsof -i tcp:3000