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How do I check if a variable exists in a list in BASH

...k the validity of a user input. I want to match the input (say variable x ) to a list of valid values. 14 Answers ...
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Xcode build failure “Undefined symbols for architecture x86_64”

An Xcode beginner's question: 24 Answers 24 ...
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LINQ Orderby Descending Query

... You need to choose a Property to sort by and pass it as a lambda expression to OrderByDescending like: .OrderByDescending(x => x.Delivery.SubmissionDate); Really, though the first version of your LINQ statement should work. Is t.Delivery.SubmissionDate actually populated with vali...
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Java 8 NullPointerException in Collectors.toMap

The Java 8 Collectors.toMap throws a NullPointerException if one of the values is 'null'. I don't understand this behaviour, maps can contain null pointers as value without any problems. Is there a good reason why values cannot be null for Collectors.toMap ? ...
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How can I remove non-ASCII characters but leave periods and spaces using Python?

I'm working with a .txt file. I want a string of the text from the file with no non-ASCII characters. However, I want to leave spaces and periods. At present, I'm stripping those too. Here's the code: ...
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In Python, how do I split a string and keep the separators?

Here's the simplest way to explain this. Here's what I'm using: 13 Answers 13 ...
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Select a Dictionary with LINQ

I have used the "select" keyword and extension method to return an IEnumerable<T> with LINQ, but I have a need to return a generic Dictionary<T1, T2> and can't figure it out. The example I learned this from used something in a form similar to the following: ...
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What does gcc's ffast-math actually do?

...d information on what is really happening when it's on. Can anyone please explain some of the details and maybe give a clear example of how something would change if the flag was on or off? ...
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Named Branches vs Multiple Repositories

...on on a relatively large codebase. Each release gets its own branch, and fixes are performed against the trunk and migrated into release branches using svnmerge.py ...
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Order Bars in ggplot2 bar graph

...rying to make a bar graph where the largest bar would be nearest to the y axis and the shortest bar would be furthest. So this is kind of like the Table I have ...