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Why does Typescript use the keyword “export” to make classes and interfaces public?

While dabbling with Typescript I realised my classes within modules (used as namespaces) were not available to other classes unless I wrote the export keyword before them, such as: ...
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Is the order of iterating through std::map known (and guaranteed by the standard)?

What I mean is - we know that the std::map 's elements are sorted according to the keys. So, let's say the keys are integers. If I iterate from std::map::begin() to std::map::end() using a for , does the standard guarantee that I'll iterate consequently through the elements with keys, sorted i...
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How to write header row with csv.DictWriter?

Assume I have a csv.DictReader object and I want to write it out as a CSV file. How can I do this? 3 Answers ...
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Importing a Swift protocol in Objective-C class

I try to import a Swift Protocol named AnalyticProtocol into an Objective-C class named AnalyticFactory . 5 Answers ...
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Understanding exactly when a data.table is a reference to (vs a copy of) another data.table

I'm having a little trouble understanding the pass-by-reference properties of data.table . Some operations seem to 'break' the reference, and I'd like to understand exactly what's happening. ...
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json_encode() escaping forward slashes

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How can I check whether a numpy array is empty or not?

How can I check whether a numpy array is empty or not? 4 Answers 4 ...
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Visual Studio Post Build Event - Copy to Relative Directory Location

On a successful build, I wish to copy the contents of the output directory to a different location under the same "base" folder. This parent folder is a relative part and can vary based on Source Control settings. ...
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Why can't enum's constructor access static fields?

Why can't enum's constructor access static fields and methods? This is perfectly valid with a class, but is not allowed with an enum. ...
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How can I pass parameters to a partial view in mvc 4

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