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Why can't yield return appear inside a try block with a catch?

...ty. I suspect there are very, very few times where this restriction is actually an issue that can't be worked around - but the added complexity in the compiler would be very significant. There are a few things like this that I've already encountered: Attributes not being able to be generic Inabil...
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Combining INSERT INTO and WITH/CTE

...ions go at the top. Wrapping every insert in a CTE has the benefit of visually segregating the query logic from the column mapping. Spot the mistake: WITH _INSERT_ AS ( SELECT [BatchID] = blah ,[APartyNo] = blahblah ,[SourceRowID] = blahblahblah FROM Table1 AS t1 ) INSERT ...
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git mv and only change case of directory

...e case there and not have the wrong case appear anywhere in the history at all. You have to be careful if you do this as the commit hashes from then on will be different and others will have to rebase or re-merge their work with that recent past of the branch. This is related to correcting the name...
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Create a menu Bar in WPF?

... Jonathon Reinhart 110k2727 gold badges205205 silver badges283283 bronze badges answered Mar 30 '12 at 3:56 iondenionden...
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difference between foldLeft and reduceLeft in Scala

...e between reducing and folding The difference is not the implementation at all, just look at the signatures. The question doesn't have anything to do with Scala in particular, it's rather about the two concepts of functional programming. Back to your question: Here is the signature of foldLeft (c...
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How to dynamic new Anonymous Class?

... All you're doing is saying that dynamic properties are not identical to strongly-typed properties. This is trivially true. – Steven Sudit Sep 18 '10 at 2:31 ...
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Difference between “module.exports” and “exports” in the CommonJs Module System

...ns to be set to module.exports. At the end of your file, node.js will basically 'return' module.exports to the require function. A simplified way to view a JS file in Node could be this: var module = { exports: {} }; var exports = module.exports; // your code return module.exports; If you set a...
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Is it bad practice to have a constructor function return a Promise?

...create and initialize a new instance. It should set up data structures and all instance-specific properties, but not execute any tasks. It should be a pure function without side effects if possible, with all the benefits that has. What if I want to execute things from my constructor? That shou...
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Is gcc std::unordered_map implementation slow? If so - why?

...2531 get : 1565 So std::unordered_map in gcc-4.7 is broken (or my installation, which is an installation of gcc-4.7.0 on Ubuntu - and another installation which is gcc 4.7.1 on debian testing). I will submit a bug report.. until then: DO NOT use std::unordered_map with gcc 4.7! ...
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Run a callback only if an attribute has changed in Rails

...93C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 45.2525 4.66231 44.6595 4.66231C43.6264 4.66231 43.1481 5.28821 43.1481 6.59048V11.9512C43.1481 13.2535 43.6264 13.8962 44.6595 13.8962C45.69...