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Bash script error [: !=: unary operator expected

In my script I am trying to error check if the first and only argument is equal to -v but it is an optional argument. I use an if statement but I keep getting the unary operator expected error. ...
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LINQ To Entities does not recognize the method Last. Really?

...mes down to the fact that eventually it has to translate that query to SQL and SQL has a SELECT TOP (in T-SQL) but not a SELECT BOTTOM (no such thing). There is an easy way around it though, just order descending and then do a First(), which is what you did. EDIT: Other providers will possibly hav...
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Google Guice vs. PicoContainer for Dependency Injection

My team is researching dependency injection frameworks and is trying to decide between using Google-Guice and PicoContainer. ...
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Git push requires username and password

...Clone or download", then clicking the "Use SSH" button above the URL field and updating the URL of your origin remote like this: git remote set-url origin git@github.com:username/repo.git This is documented at GitHub: Switching remote URLs from HTTPS to SSH. ...
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Haskell composition (.) vs F#'s pipe forward operator (|>)

...ell I've only ever seen function composition, (.) , being used. I understand that they are related , but is there a language reason that pipe-forward isn't used in Haskell or is it something else? ...
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Fast stable sorting algorithm implementation in javascript

...oking to sort an array of about 200-300 objects, sorting on a specific key and a given order (asc/desc). The order of results must be consistent and stable. ...
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How do I format XML in Notepad++?

I have Notepad++ and I got some XML code which is very long. When I pasted it in Notepad++ there was a long line of code (difficult to read and work with). ...
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Difference between constituency parser and dependency parser

What is the difference between a constituency parser and a dependency parser ? What are the different usages of the two? ...
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How to Select Every Row Where Column Value is NOT Distinct

... thing that is incorrect with your query is that you are grouping by email and name, that forms a group of each unique set of email and name combined together and hence aaron and aaron@gmail.com christy and aaron@gmail.com john and aaron@gmail.com are treated as 3 different groups rather all bel...
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UITableView set to static cells. Is it possible to hide some of the cells programmatically?

...a] directly) This doesn't use the hacky solution with setting height to 0 and allows you to animate the change and hide whole sections share | improve this answer | follow ...