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Objective-C declared @property attributes (nonatomic, copy, strong, weak)

... at this moment, and you don't want that value to reflect any changes made by other owners of the object. You will need to release the object when you are finished with it because you are retaining the copy. Assign Assign is somewhat the opposite to copy. When calling the getter of an assign propert...
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Debugging automatic properties

... VS2015 has fixed this by just setting the breakpoints on the auto getter & setter :) – cateyes May 19 '15 at 22:48 ...
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Failed to load c++ bson extension

... I just resolved that. When you install the mongoose module by npm, it does not have a built bson module in it's folder. In the file node_modules/mongoose/node_modules/mongodb/node_modules/bson/ext/index.js, change the line bson = require('../build/Release/bson'); to bson = requir...
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What is “Service Include” in a csproj file for?

...t; </ItemGroup> This inclusion turns out to be generated on purpose by VS2013 if you create an NUnit test project, but forget to tag it as test project, as described in this answer from Microsoft: This behavior is intentional. To support third-party test frameworks, like NUnit and XUnit, Vis...
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What is the difference between :first-child and :first-of-type?

... Among these children, only one of them can be the first. This is matched by :first-child: <div class="parent"> <div>Child</div> <!-- :first-child --> <div>Child</div> <div>Child</div> <div>Child</div> </div> The differenc...
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Will code in a Finally statement fire if I return a value in a Try block?

...m System.Exception. Non-CLS compliant exceptions are automatically wrapped by the RuntimeWrappedException. C# cannot throw non-CLS complaint exceptions, but languages such as C++ can. C# could be calling into code written in a language that can throw non-CLS compliant exceptions. Asynchronous Thread...
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Private properties in JavaScript ES6 classes

... By now, this solution is also officially supported in Google Chrome and Node.js v12. Private getters and setters are in development. – Eyk Rehbein May 10 '19 at 15:56 ...
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In Java, when should I create a checked exception, and when should it be a runtime exception? [dupli

... the exception in the caller. With Runtime exceptions, I am not forced to by the compiler, but can write a unit test that makes me deal with it. Since I still believe that the earlier a bug is caught the cheaper it is to fix it, I prefer CheckedExceptions for this reason. From a philosophical poi...
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Getting root permissions on a file inside of vi? [closed]

...le has been changed and ask whether you want to it to be reloaded. Say yes by choosing [L] rather than OK.) As a shortcut, you can define your own command. Put the following in your .vimrc: command W w !sudo tee % >/dev/null With the above you can type :W<Enter> to save the file. Since ...
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How can I read command line parameters from an R script?

... (optional)", 'help' , 'h', 0, "logical", "this help" ),ncol=5,byrow=T) opt = getopt(spec); if (!is.null(opt$help) || is.null(opt$in)) { cat(paste(getopt(spec, usage=T),"\n")); q(); } share | ...