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Remove blank lines with grep
I tried grep -v '^$' in Linux and that didn't work. This file came from a Windows file system.
14 Answers
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Convert a date format in PHP
...m trying to convert a date from yyyy-mm-dd to dd-mm-yyyy (but not in SQL); however I don't know how the date function requires a timestamp, and I can't get a timestamp from this string.
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Spring @Transactional - isolation, propagation
Can someone explain what isolation & propagation parameters are for in the @Transactional annotation via real-world example?
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How to check whether mod_rewrite is enable on server?
Currently I am using the hosting with lightspeed server. Hosting says mod_rewrite is enabled but I can't get my script working there. Whenever I try to access the URL, it returns 404 - not found page.
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How to convert float to int with Java
I used the following line to convert float to int, but it's not as accurate as I'd like:
7 Answers
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UITableViewCell with UITextView height in iOS 7?
How can I calculate the height of an UITableViewCell with an UITextView in it in iOS 7?
12 Answers
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How can I symlink a file in Linux? [closed]
I want to make a symbolic link in Linux. I have written this Bash command where the first path is the folder I want link into and the second path is the compiled source.
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How do I get a list of all subdomains of a domain? [closed]
I want to find out all the subdomains of a given domain. I found a hint which tells me to dig the authoritative Nameserver with the following option:
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Compile error: “g++: error trying to exec 'cc1plus': execvp: No such file or directory”
When I compile C/C++ program with popen in php ... I got this error:
9 Answers
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How to avoid “Permission denied” when using pip with virtualenv
I attempt to deploy a Python package with pip in a virtual environment on an Ubuntu machine, but encounter a permission-related issue. For example:
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