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how perform grep operation on all files in a directory
Working with xenserver, and I want to perform a command on each file that is in a directory, grepping some stuff out of the output of the command and appending it in a file.
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Freeing up a TCP/IP port?
netstat -tulnap
shows me what ports are in use. How to free up a port in Linux?
11 Answers
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Mutex example / tutorial? [closed]
I'm new to multithreading, and was trying to understand how mutexes work. Did a lot of Googling but it still left some doubts of how it works because I created my own program in which locking didn't work.
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How do I integrate Ajax with Django applications?
I am new to Django and pretty new to Ajax. I am working on a project where I need to integrate the two. I believe that I understand the principles behind them both, but have not found a good explanation of the two together.
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How to get first character of a string in SQL?
I have a SQL column with a length of 6. Now want to take only the first char of that column. Is there any string function in SQL to do this?
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Is C++ context-free or context-sensitive?
I often hear claims that C++ is a context-sensitive language. Take the following example:
20 Answers
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No resource found - Theme.AppCompat.Light.DarkActionBar
I used ActionBar Style Generator, and now trying to use into my app, but getting :
17 Answers
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Lock Escalation - What's happening here?
While altering a table (removing a column) in SQL Server 2008, I clicked the Generate Change Script button and I noticed that the change script it generated drops the column, says "go" and then runs an additional ALTER TABLE statement that appears to set the lock escalation for the table to "TABLE"....
What is in your .vimrc? [closed]
Vi and Vim allow for really awesome customization, typically stored inside a .vimrc file. Typical features for a programmer would be syntax highlighting, smart indenting and so on.
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Is there a short contains function for lists?
I see people are using any to gather another list to see if an item exists in a list, but is there a quick way to just do?:
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