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Why does X[Y] join of data.tables not allow a full outer join, or a left join?
This is a bit of a philosophical question about data.table join syntax. I a<em>mem> finding <em>mem>ore and <em>mem>ore uses for data.tables, but still learning...
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C++ STL Vectors: Get iterator fro<em>mem> index?
So, I wrote a bunch of code that accesses ele<em>mem>ents in an stl vector by index[], but now I need to copy just a chunk of the vector. It looks like vector.insert(pos, first, last) is the function I want... except I only have first and last as ints. Is there any nice way I can get an iterator to these...
ObjectiveC Parse Integer fro<em>mem> String
I'<em>mem> trying to extract a string (which contains an integer) fro<em>mem> an array and then use it as an int in a function. I'<em>mem> trying to convert it to a int using intValue.
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What's the difference between “groups” and “captures” in .NET regular expressions?
I'<em>mem> a little fuzzy on what the difference between a "group" and a "capture" are when it co<em>mem>es to .NET's regular expression language. Consider the following C# code:
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Are unused CSS i<em>mem>ages downloaded?
Are unused CSS i<em>mem>ages downloaded by the browser or ignored?
7 Answers
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OO Design in Rails: Where to put stuff
I'<em>mem> really enjoying Rails (even though I'<em>mem> generally RESTless), and I enjoy Ruby being very OO. Still, the tendency to <em>mem>ake huge ActiveRecord subclasses and huge controllers is quite natural (even if you do use a controller per resource). If you were to create deeper object worlds, where would you p...
Otherwise on StateProvider
Using angular-ui-router, How can I use the otherwise <em>mem>ethod on $stateProvider or how can I use it at all ?
6 Answers
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How do you print in a Go test using the “testing” package?
I'<em>mem> running a test in Go with a state<em>mem>ent to print so<em>mem>ething (i.e. for debugging of tests) but it's not printing anything.
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Why would one use nested classes in C++?
Can so<em>mem>eone please point <em>mem>e towards so<em>mem>e nice resources for understanding and using nested classes? I have so<em>mem>e <em>mem>aterial like Progra<em>mem><em>mem>ing Principles and things like this IB<em>Mem> Knowledge Center - Nested Classes
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Benefits of header-only libraries
...er only library and why would you write it that way oppose to putting the i<em>mem>ple<em>mem>entation into separate file?
5 Answers
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