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self referential struct definition?

...ncomplete type" error. The reason is that "struct Cell" must be defined in order for the compiler to know how much space to allocate when it is used. If you attempt to use "struct Cell" inside the definition of "struct Cell", then the compiler cannot yet know how much space "struct Cell" is suppose...
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Loop through all nested dictionary values?

...he first benefit. Also, this version can be adapted to different traversal orders quite easily by replacing the stack (a list) by a deque or even a priority queue. – Fred Foo May 25 '12 at 15:30 ...
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Oracle SQL: Update a table with data from another table

...le2 multiple times for some/all records (not clean). Secondly: there is no order by clause so this will occur in an unpredictable manner (i.e. last value in unordered data wins). Thirdly: It will be much slower. Assuming the outcome of the for loop was intended, the original subselect could have bee...
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How are feature_importances in RandomForestClassifier determined?

...s a list of DecisionTreeClassifier (as mentioned in the documentation). In order to compute the feature_importances_ for the RandomForestClassifier, in scikit-learn's source code, it averages over all estimator's (all DecisionTreeClassifer's) feature_importances_ attributes in the ensemble. In Deci...
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Netty vs Apache MINA

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horizontal scrollbar on top and bottom of table

...scrollLeft = wrapper2.scrollLeft; }; #wrapper1, #wrapper2{width: 300px; border: none 0px RED; overflow-x: scroll; overflow-y:hidden;} #wrapper1{height: 20px; } #wrapper2{height: 100px; } #div1 {width:1000px; height: 20px; } #div2 {width:1000px; height: 100px; background-color: #88FF88; overf...
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Enum type constraints in C# [duplicate]

...discussion in the language design team. The CLR doesn't support it, so in order to make it work we'd need to do runtime work in addition to the language work. (see answer comments) I can see that there are a few decent usage cases, but none of them are so compelling that we'd do this work rather ...
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When annotating a class with @Component, does this mean it is a Spring Bean and Singleton?

...ou may want to annotate it with @Service instead But have in mind that in order for these annotations to be detected, you need to place this line in applicationContext.xml: <context:component-scan base-package="com.yourcompany" /> About singletons - spring beans are all in singleton scope ...
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XPath: select text node

...t() . Some knowledge and understanding of XPath is typically required in order to construct XPath expressions. – Dimitre Novatchev Jun 3 '15 at 21:51 ...
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Split code over multiple lines in an R script

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