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Difference between `constexpr` and `const`

...const declares an object as constant. This implies a guarantee that once initialized, the value of that object won't change, and the compiler can make use of this fact for optimizations. It also helps prevent the programmer from writing code that modifies objects that were not meant to be modified a...
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How can I check whether an array is null / empty?

... have an int array which has no elements and I'm trying to check whether it's empty. 13 Answers ...
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How to Sync iPhone Core Data with web server, and then push to other devices? [closed]

...iPad or a Mac. There are not many (if any at all) sync frameworks for use with Core Data on iOS. However, I have been thinking about the following concept: ...
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How do I determine the dependencies of a .NET application?

...ine the dependencies of a .NET application? Does Dependency Walker work with managed apps? I've downloaded the latest and tried profiling the app, but it just exits without much of an explanation. If it doesn't work with .NET, then is there some other tool that would help me debug a run-time DLL l...
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How to pass a view's onClick event to its parent on Android?

... the TextView's text is set to Spanned from HTML. Then I set the TextView with the LinkMovementMethod. 7 Answers ...
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What are best practices for REST nested resources?

...es that say you shouldn't do that. And generally, you may need to access items directly or as a subset of something else - so your structure makes sense to me. Just because employees are accessible under department: company/{companyid}/department/{departmentid}/employees Doesn't mean they can't...
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Can you nest html forms?

Is it possible to nest html forms like this 20 Answers 20 ...
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log4net vs. Nlog

... direct dependencies. If we end up using Enterprise Library for other facilities, then use it for Logging, too. If we end up using something with a dependency on Log4Net, use Log4Net. If none of the above, use NLog. Which I'd prefer. That's based on these findings (opinions!): All 3 frameworks a...
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How to know if an object has an attribute in Python

... Try hasattr(): if hasattr(a, 'property'): a.property EDIT: See zweiterlinde's answer below, who offers good advice about asking forgiveness! A very pythonic approach! The general practice in python is that, if the property is likely to be there most of the time, simply call it ...
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TypeError: 'NoneType' object is not iterable in Python

What does error TypeError: 'NoneType' object is not iterable mean? 7 Answers 7 ...