Remove trailing spaces at the end of each line in a file
How to remove trailing spaces at the end of each line in a file on Linux?
Use this script with sed:
cat your_file | sed 's/[[:blank:]]+$//g'
How to remove trailing spaces at the end of each line in a file on Linux?
Use this script with sed:
cat your_file | sed 's/[[:blank:]]+$//g'
As is known, database schema is a collection of database rules like data type and data relationship. However, this is still a little abstract. So what is database schema in one sentence everyone could understand it clearly. The wikipedia page on Database schema is quite good for understanding the concept. A database schema of a…
noip2 is a dynamic update client for No-IP to keep your current IP address synchronized with your No-IP domain, no matter whether the IP is dynamically requested via DHCP or static assigned. Furthermore, with the domain name, we can host site using a “static” domain whose CNAME points to the No-IP domain. noip2 is a…
How to get the native assembly code (e.g. x86-64 asm) for OCaml code generated by the native ocamlopt compiler? To get the assembly code for an OCaml program, add these parameters to ocamlopt: -S -inline 20 -nodynlink An example is as follows. The OCaml program: $ cat not.ml let not x = ((x – 1)…
Seems the input method on Linux (ibus) does not work well with Chrome. But other programs, e.g. thunderbird, has not problem with ibus at all. What’s wrong with Chrome or ibus? Check whether the “Qt IBus library and Qt input method plugin” is installed. If not, installing it and restarting ibus may help: # yum…
How to disable directory listing using .htaccess? The webserver (Apache) should allow downloading files in a directory and child directories of it but forbid listing of the directory and child directories. In the directory that you want to disable directory listing, create the .htaccess file that contains: Options -Indexes You can also done by Options…
Hello! Im trying to create a screen folder for the user apache, Not root. But it seems to fail, I have no idea on how to fix this issue. I only get the error: Cannot make directory ‘/var/run/screen/S-apache’: Permission denied Im using Cent OS 7 There may be various possible reasons. 2 common reasons: screen…