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How can I check a C# variable is an empty string “” or null? [duplicate]
I am looking for the simplest way to do a check. I have a variable that can be equal to "" or null. Is there just one function that can check if it's not "" or null?
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sqlite3-ruby install error on Ubuntu
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You need the SQLite3 development headers for the gem’s native extension to compile against. You can install them by running (possibly with sudo):
apt-get install libsqlite3-dev
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Extracting hours from a DateTime (SQL Server 2005)
I can extract the month and day by using Day(Date()) , Month(Date()) . I can't extract hours, with HOUR(Date()) . I get the following error.
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How to select date without time in SQL
...tells the convert function that we pass the input date in the following format: yyyy-mm-dd hh:mi:ss.
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Is there a good JavaScript minifier? [closed]
What JavaScript minifier do you recommend?
9 Answers
9
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How do I remove newlines from a text file?
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tr -d '\n' < yourfile.txt
Edit:
If none of the commands posted here are working, then you have something other than a newline separating your fields. Possibly you have DOS/Windows line endings in the file (although I would expect the Perl solutions to work even in that case...
Ninject vs Unity for DI [closed]
We are using ASP.net MVC.
5 Answers
5
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How to create a self-signed certificate for a domain name for development?
I have subdomain.example.com that I use for development purposes. My web application solution contains a web API etc, that I need to call from external systems, hence I am not using localhost.
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How can I analyze Python code to identify problematic areas?
I have a large source repository split across multiple projects. I would like to produce a report about the health of the source code, identifying problem areas that need to be addressed.
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Difference between Mutable objects and Immutable objects [duplicate]
Any one please give the diff between Mutable objects and Immutable objects with example.
5 Answers
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