I want to check if a file contains a specific string or not in bash. I used this script, but it doesn't work: 11 Answers ...

I am trying to come up with a function that I can pass all my strings through to sanitize. So that the string that comes out of it will be safe for database insertion. But there are so many filtering functions out there I am not sure which ones I should use/need. ...

I have a simple webform that will allow unauthenticated users to input their information, including name. I gave the name field a limit of 50 characters to coincide with my database table where the field is varchar(50), but then I started to wonder. ...

I have a list of floats. If I simply print it, it shows up like this: 18 Answers 18 ...

I am trying to figure out how to attach to a tmux session if a named tmux session exists, if not I want to create a new one with the given name. ...

I've got a messages table in MySQL which records messages between users. Apart from the typical ids and message types (all integer types) I need to save the actual message text as either VARCHAR or TEXT. I'm setting a front-end limit of 3000 characters which means the messages would never be inserte...

I'm a blind student currently in a system admin/shell programming class. Although ssh works fine for executing commands like ls, pwd, etc editors do not work well with my screen reader and an ssh session. I was wondering if it is possible to mount a Linux folder over ssh so it appears as a windows d...

Are these code statements equivalent? Is there any difference between them? 10 Answers ...

I'm having a problem with a library that I am using. It might be the library or it might be me using it wrong! 2 Answers ...

ref^ refers to the commit before ref , what about getting the commit after ref ? 14 Answers ...