...rocess module provides more powerful facilities for spawning new processes and retrieving their results; using that module is preferable to using these functions.) If you want your process to start in the background you can either use system() and call it in the same way your shell script did, o...

I have just made a clean installation of OS X Mavericks , and I have downloaded Eclipse Kepler , but if I execute it, gives me this message: ...

...things first. Read, read, read, read, read. You need to have a firm understanding of how the OS works before you can hope to implement your own. Grab one of Andrew Tanenbaum's books on operating systems. This is the one we used in my OS class in college: Modern Operating Systems PDF Modern Op...

I just updated to OS X v10.9 (Mavericks), and now whenever I start up any of my emulators, as soon as the emulator starts up, my entire computer freezes with a spinning progress indicator in the center of the screen (not a beachball, the progress indicator is similar to what you see when shutting...

I want to open a series of subfolders in a folder and find some text files and print some lines of the text files. I am using this: ...

...TortoiseSVN, just do a Check for Modifications, sort by the Status column, select all the entries marked missing, right-click to open the context menu, and select Delete. Finally, commit to publish the changes to the repository. If you are on Windows, but prefer the command-line and enjoy dabbling ...

... Use Quick Look to inspect images in the Xcode debugger. Select an NSImage or UIImage in the debugger, then click the Quick Look "eye" icon. Like other areas of OS X, you can also use spacebar to Quick Look! Quick Look in the debugger can also be implemented for your own classes:...

...ave Visual Studio 2017 or 2019, and you installed Build Tools 2015 without selecting to install its own 2015 Windows SDK (default installation does not install it!), and are trying to use it to compile, you may run into this problem. In my case, I already had Visual Studio 2017. When I tried to use ...

...ackages on the Python Package Index. Just download the tarball, unpack it, and have a look at the setup.py file. Or even better, only bother looking through packages that list a public source code repository such as one hosted on GitHub or BitBucket. You're bound to run into one on the front page. ...

...hing other than None in the result tuple, you need to give stdout=PIPE and/or stderr=PIPE too. Replacing os.popen* pipe = os.popen(cmd, 'w', bufsize) # ==> pipe = Popen(cmd, shell=True, bufsize=bufsize, stdin=PIPE).stdin Warning Use communicate() rather than stdin....