cross-platform – Page 9

Cross-platform way to get PIDs by process name in python

March 29, 2023 by Tarik

You can use psutil (https://github.com/giampaolo/psutil), which works on Windows and UNIX: import psutil PROCNAME = “python.exe” for proc in psutil.process_iter(): if proc.name() == PROCNAME: print(proc) On my machine it prints: <psutil.Process(pid=3881, name=”python.exe”) at 140192133873040> EDIT 2017-04-27 – here’s a more advanced utility function which checks the name against processes’ name(), cmdline() and exe(): import os … Read more

How can I detect the operating system in Perl?

March 23, 2023 by Tarik

Examine the $^O variable which will contain the name of the operating system: print “$^O\n”; Which prints linux on Linux and MSWin32 on Windows. You can also refer to this variable by the name $OSNAME if you use the English module: use English qw’ -no_match_vars ‘; print “$OSNAME\n”; According to perlport, $^O will be darwin … Read more

Monitoring contents of files/directories? [duplicate]

March 23, 2023 by Tarik

I’m working on an MIT-licensed library that helps Python programs monitor file system events as portably as possible. There are differences that I’m trying to iron out. Highly alpha version at the moment: Check it out here: http://github.com/gorakhargosh/watchdog/ Patches and contributions are welcome.

Regular Expression to match cross platform newline characters

March 20, 2023 by Tarik

The regex I use when I want to be precise is “\r\n?|\n”. When I’m not concerned about consistency or empty lines, I use “[\r\n]+”, I imagine it makes my programs somewhere in the order of 0.2% faster.

Is there a cross-platform Java method to remove filename special chars?

March 13, 2023 by Tarik

As suggested elsewhere, this is not usually what you want to do. It is usually best to create a temporary file using a secure method such as File.createTempFile(). You should not do this with a whitelist and only keep ‘good’ characters. If the file is made up of only Chinese characters then you will strip … Read more

How to change application icon in Xamarin.Forms?

March 12, 2023 by Tarik

Updating Icon and Name (Android) If you changed the icon file name please ensure you update the Icon reference in MainActivity.cs: [Activity(Label = “MyName”, Icon = “@mipmap/myicon”, Theme = “@style/MainTheme”] public class MainActivity : global::Xamarin.Forms.Platform.Android.FormsAppCompatActivity { } You should also update the names of icon.xml and icon_round.xml in the mipmap-anydpi folder to match to new … Read more

Cross-platform means of getting user’s home directory in Ruby?

March 1, 2023 by Tarik

With Ruby 1.9 and above you can use Dir.home.

Cross-Browser Extensions API?

February 28, 2023 by Tarik

Yes, but unfortunately each one has significant drawbacks. Kynetx supports IE, Firefox, Safari, and Chrome, but extensions are dependent on the Kynetx extension to work. In addition, Kynetx apps are built using an odd, proprietary Kynetx Rules Language. There is no cost to use the Kynetx platform. UPDATE: Kynetx has shut down WebMynd supports IE, … Read more

How do you get a directory listing in C?

February 27, 2023 by Tarik

The following POSIX program will print the names of the files in the current directory: #define _XOPEN_SOURCE 700 #include <stdio.h> #include <sys/types.h> #include <dirent.h> int main (void) { DIR *dp; struct dirent *ep; dp = opendir (“./”); if (dp != NULL) { while ((ep = readdir (dp)) != NULL) puts (ep->d_name); (void) closedir (dp); return … Read more

Platform-independent file paths?

February 27, 2023 by Tarik

You can use os.path and its functions, which take care of OS-specific paths: >>> import os >>> os.path.join(‘app’, ‘subdir’, ‘dir’, ‘filename.foo’) ‘app/subdir/dir/filename.foo’ On Windows, it should print out with backslashes.