Any suggestions on good tutorials for screen on Linux?
To start with screen: A quick tutorial on screen.
After can use the basic functions of screen, you may check out A dummies introduction to GNU Screen and A guide to GNU Screen.
During all the progresses, frequently check the screen man page.
In sbt, I found this message printed out by the scala compiler: [warn] there were 1 deprecation warning(s); re-run with -deprecation for details [warn] one warning found The question is, how to add options (-deprecation here) to the scala compiler in sbt? You can use this inside the sbt console: set scalacOptions += “-deprecation” Read…
How to check and test whether a file of a given path is a block device in Python? This can be Linux specific. You can use the os.stat() function to get the stat of the path. Then use the stat.S_ISBLK() function against the stat’s .st_mode to test whether it is a block device. An example:…
In Emacs, how to print the name of the current file that I am editing? The built-in function buffer-file-name gives the full path of your file. To get the file name: M-: buffer-file-name Read more: How to merge a commit from another branch to my current branch in git? Linux Kernel: xt_quota: report initial quota…
How to split a text file by lines on Linux? For example, to split a file content.txt into many files and each split contains 1024 lines. You can use the split command on Linux: split -l 1024 content.txt splitted-content.txt- It will generate splitted-content.txt-{aa,ab,….} Read more: How to calculate the average of value in lines of…
How to set and get an environment variable in C on Linux? You can use the setenv and getenv POSIX APIs to set and get environment variables. To add or change environment variable: #include <stdlib.h> int setenv(const char *envname, const char *envval, int overwrite); To get value of an environment variable: #include <stdlib.h> char *getenv(const…
How to enable the author information in Google search results as shown for many posts? As a post writer, we may want our authorship information to appear in search results. To do this, we need a Google+ Profile with a good, recognizable headshot as the profile photo. Then, verify authorship of our content by associating…