Archive for February, 2009
- TECHPULP |
How to identify empty files or directories in Linux or UNIX
The “find” command supports an option “-empty” to find files with zero size and directories which have no files and sub-directories. The following command finds empty directories: [neo@techpulp ~]# find . -empty -type d ./Documents/External ./Music/jazz ./Templates ./TestDir [neo@techpulp ~]#... - TECHPULP |
How to set time out to interactive prompt in Bash
If you are not familiar with how to show interactive prompt in Bash shell script, please read this article first. Typically “read” command is used to read the response from the user. By default, the “read” command waits forever for... - TECHPULP |
How to show interactive YES/NO prompt in Bash
The Bash shell provides an in-built command “read” to read a line from the standard input. The following sample script prompts user to provide his answer as either “yes” or “no“. [neo@techpulp ~]# cat yesno.sh #!/bin/bash echo -n "Do you... - TECHPULP |
How to insert special symbols in HTML
Special characters can be inserted in HTML content using ampersand symbol. The following table provides complete list. ℵ ℵ α α ∧ ∧ ∠ ∠ ≈ ≈ β β • • ∩ ∩ χ χ ♣ ♣ ≅ ≅ ↵... - TECHPULP |
How to align a HTML element like DIV or table in Center using CSS
To center align a DIV or a table, use “margin” property in CSS. Look at the example HTML file below. <html> </head> <title>DIV center align demo</title> <style> .calign { margin: 0 auto; } div { width: 60%; background-color: #fff; }... - TECHPULP |
How to resolve “POST to /wp-admin/post.php not supported” error in WordPress
Sometimes while posting in WordPress blog software, users encounter the following error and fail to submit the new post or edited post. Method Not Implemented POST to /wp-admin/post.php not supported. Apache/2.2.0 (XenOS) Server at techpulp.com Port 80 This error is...
