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Unique ways to use the Null Coalescing operator [closed]

I know the standard way of using the Null coalescing operator in C# is to set default values. 16 Answers ...
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Node.js client for a socket.io server

... will automatically try to reconnect }); socket.on('error', (error) => { console.log(error); }); share | improve this answer | ...
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Auto layout constraints issue on iOS7 in UITableViewCell

I'm using auto layout constraints programmatically to layout my custom UITableView cells and I'm correctly defining the cell sizes in tableView:heightForRowAtIndexPath: ...
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The calling thread must be STA, because many UI components require this

...erous other places. Any idea why only one of those places is throwing this error? – Paul McCarthy Mar 20 at 11:35 1 ...
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How to check if a number is a power of 2

Today I needed a simple algorithm for checking if a number is a power of 2. 25 Answers ...
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How to allow only numeric (0-9) in HTML inputbox using jQuery?

I am creating a web page where I have an input text field in which I want to allow only numeric characters like (0,1,2,3,4,5...9) 0-9. ...
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When to use Comparable and Comparator

I have a list of objects I need to sort on a field, say Score. Without giving much thought I wrote a new class that implements Comparator, that does the task and it works. ...
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Where to put include statements, header or source?

Should I put the includes in the header file or the source file? If the header file contains the include statements, then if I include that header file in my source, then will my source file have all of the included files that were in my header? Or should I just include them in my source file only? ...
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How to mkdir only if a directory does not already exist?

...st to see that the directory does not exist, or suppress the "File exists" error that mkdir throws when it tries to create an existing directory. ...
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Custom error pages on asp.net MVC3

...eveloping a MVC3 base website and I am looking for a solution for handling errors and Render custom Views for each kind of error. So imagine that I have a "Error" Controller where his main action is "Index" (generic error page) and this controller will have a couple more actions for the errors that ...