How to check if I’m in screen session?
You can look at the $STY variable (a variable set by the screen command). If it is not “” then you are in a screen session. I am in screen $ echo $STY 29624.pts-1.iain-10-04 $ I am not in screen $ echo $STY $
You can look at the $STY variable (a variable set by the screen command). If it is not “” then you are in a screen session. I am in screen $ echo $STY 29624.pts-1.iain-10-04 $ I am not in screen $ echo $STY $
There is a “secret” keyboard shortcut to force an exit :~) From the frozen session, hit these keys in order: Enter~. The tilde (only after a newline) is recognized as an escape sequence by the ssh client, and the period tells the client to terminate it’s business without further ado. The long-hang behavior on communication … Read more
A few differences: print vs println:The print function prints messages in the Xcode console when debugging apps.The println is a variation of this that was removed in Swift 2 and is not used any more. If you see old code that is using println, you can now safely replace it with print.Back in Swift 1.x, print did not add newline characters at the end of … Read more
Click “Default levels” and make sure that “Info” is checked. By default it is only set to show Errors and Warnings I came here with the same problem :/
From the menu bar, Window → Show View → Console. Alternately, use the keyboard shortcut: Mac: Option–Command–Q, then C, or Windows: Alt–Shift–Q, then C
If Ruby is installed, then where yourfile.rb is the file containing the ruby code. Or to start the interactive Ruby environment, where you can type lines of code and see the results immediately.
If Ruby is installed, then where yourfile.rb is the file containing the ruby code. Or to start the interactive Ruby environment, where you can type lines of code and see the results immediately.
The simple way is using System.Diagnostics.Debug.WriteLine() Your can then read what you’re writing to the output by clicking the menu “DEBUG” -> “Windows” -> “Output”.
I wrote a simple console app to upload and download files from an FTP server using the ftplib. I would like the app to show some visualization of its download/upload progress for the user; each time a data chunk is downloaded, I would like it to provide a progress update, even if it’s just a … Read more
When reading input using scanf, the input is read after the return key is pressed but the newline generated by the return key is not consumed by scanf, which means the next time you read a char from standard input there will be a newline ready to be read. One way to avoid is to … Read more