How can you tell, from the command line, how many cores are on the machine when you're running Mac OS X? On Linux, I use: ...

...ve method to using upgrade from the default CPAN shell is to use cpanminus and cpan-outdated. These are so easy and nimble to use that I hardly ever go back to CPAN shell. To upgrade all of your modules in one go, the command is: cpan-outdated -p | cpanm I recommend you install cpanminus like th...

I need to recursively search for a specified string within all files and subdirectories within a directory and replace this string with another string. ...

I would like to play around with some ideas and develop a soft keyboard for Android to replace the default one. 4 Answers ...

...y containing the following subdirectories: run01, run02, ... run19, run20, and then I generate a list from the following command: ...

... @HananShteingart: It works fine on my system (Ubuntu) with both Python 2 and 3. I've used def do_word(*a): time.sleep(.1) as an example. If it doesn't work for you then create a complete minimal code example which demonstrates your issue: describe using words what do you expect to happen and what ...

... for line in f: # Do something with 'line' The with statement handles opening and closing the file, including if an exception is raised in the inner block. The for line in f treats the file object f as an iterable, which automatically uses buffered I/O and memory management so you don't ...

My command fails because the file "Lemon Tree.mp3" contains spaces and so xargs thinks it's two files. Can I make find + xargs work with filenames like this? ...

...fter the open() statement finished - but it's cleaner to do it explicitely and relying on CPython-specific behaviour is not good either. In case you want touch's behaviour (i.e. update the mtime in case the file exists): import os def touch(path): with open(path, 'a'): os.utime(path, N...

...the module: npm install depcheck -g or yarn global add depcheck Run it and find the unused dependencies: depcheck The good thing about this approach is that you don't have to remember the find or grep command. To run without installing use npx: npx depcheck ...