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What's the algorithm to calculate aspect ratio?

... @Dementic, that is the simplest form of the fraction, hence the correct aspect ratio, and 158 other people (including the OP) seem to agree :-). If you have some other idea of what would be better, please let me know and I'll look at adjusting the answer. ...
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Advantages of stateless programming?

... Many of the other answers have focused on the performance (parallelism) side of functional programming, which I believe is very important. However, you did specifically ask about productivity, as in, can you program the same thing faster in a functional paradigm than in an ...
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Is there a way to chain multiple value converters in XAML?

.... Implementation: <ContentPage xmlns="http://xamarin.com/schemas/2014/forms" xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml" xmlns:converters="clr-namespace:ATXF.Converters;assembly=ATXF" x:Class="ATXF.TestPage"> <ResourceDictionary> <converters:ValueConverterGroup x:Ke...
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How to create ASP.NET Web API Url?

... It works with the simpler form of Url.Action thus you don't have to reference any Routing names: Url.Action("ActionName", "ControllerName", new { httproute = "DefaultApi" }) You might want to add an area = "" if the URL is needed within an Area. (A...
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static allocation in java - heap, stack and permanent generation

...compiled classes now go there. PermGen no longer exists. 2) All the information related to a class like name of the class, Object arrays associated with the class, internal objects used by JVM (like java/lang/Object) and optimization information goes into the Permanent Generation area. More o...
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Cannot change column used in a foreign key constraint

... SMALLINT to INT) as you'll get a legitimate 150 FK constraint incorrectly formed when mysql tries to replace the old table by the new one. In such case, use the accepted answer. – Xenos Mar 27 at 9:42 ...
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How to use double or single brackets, parentheses, curly braces

...y braces in Bash, as well as the difference between their double or single forms. Is there a clear explanation? 7 Answers ...
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What do the return values of node.js process.memoryUsage() stand for?

...pTotal } = process.memoryUsage(); console.log( 'rss', numeral(rss).format('0.0 ib'), heapTotal, numeral(heapTotal).format('0.0 ib') ) } } Running The above will give you something like this: rss 22.3 MiB 4734976 4.5 MiB rss 24.2 MiB 6483968 6.2 MiB rss 27.6 MiB 9580544 9.1 MiB rss 2...
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B-Tree vs Hash Table

... link. The difference between using a b-tree and a hash table is that the former allows you to use column comparisons in expressions that use the =, >, >=, <, <=, or BETWEEN operators, while the latter is used only for equality comparisons that use the = or <=> operators. ...
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Why can't variables be declared in a switch statement?

...atement. This means that you are left with a scope where a jump will be performed further into the code skipping the initialization. The correct way to handle this is to define a scope specific to that case statement and define your variable within it: switch (val) { case VAL: { // This wi...