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Why does changing the sum order returns a different result?

...d). Unfortunately this gives you a specific number of 'fractional building blocks' to play with, and certain fractional values cannot be represented precisely. What is happening in your case is that in the second case, the addition is probably running into some precision issue because of the order...
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How to get an enum which is created in attrs.xml in code

... throw new IllegalArgumentException(); } } Then in the first code block you could use: Format format = Format.fromId(a.getInt(R.styleable.IconView_icon, 0))); (though throwing an exception at this point may not be a great idea, probably better to choose a sensible default value) ...
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urllib2.HTTPError: HTTP Error 403: Forbidden

... It's true that some sites (including Wikipedia) block on common non-browser user agents strings, like the "Python-urllib/x.y" sent by Python's libraries. Even a plain "Mozilla" or "Opera" is usually enough to bypass that. This doesn't apply to the original question, of cou...
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What is the type of lambda when deduced with “auto” in C++11?

... is not an aggregate (8.5.1). The closure type is declared in the smallest block scope, class scope, or namespace scope that contains the corresponding lambda-expression. [..] The clause goes on to list varying properties of this type. Here are some highlights: [C++11: 5.1.2/5]: The closure type f...
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How to know if user is logged in with passport.js?

...this, when there is a un-authenticated request the handlebars skips the if block if the res.locals variable returns a falsy value. To solve this issue you need to setup a middleware in your app.js file to make the req.user available globally in your app Like so.. app.use(function (req, res, next) {...
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What is a difference between

...archy like this: Parent extends Object Child extends Parent and a LinkedBlockingQueue<Parent>. You can construct this passing in a List<Child> which will copy all the elements safely, because every Child is a parent. You couldn't pass in a List<Object> because some elements migh...
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Android: How can I get the current foreground activity (from a service)?

...there is nothing your service can do with them without either a massive if-block of instanceof checks or refactoring the activities to share a common superclass or interface. And if you're going to refactor the activities, you may as well do it in a way that fits better with the framework and covers...
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Add native files from NuGet package to project output directory

...rectory of the actual output directory. The <PrepareForRunDependsOn ... block adds the custom target to the list of targets the build depends on, see the Microsoft.Common.targets file for details. The custom target, CopyNativeBinaries, contains two copy tasks. The first one is responsible for cop...
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omp parallel vs. omp parallel for

...e current thread into a new team of threads for the duration of the next block/statement, after which the team merges back into one. for divides the work of the for-loop among the threads of the current team. It does not create threads, it only divides the work amongst the threads of th...
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What's the difference between Invoke() and BeginInvoke()

... that delegate performs I/O (which could make the delegate and your thread block). In those cases the BeginInvoke would be useful. By calling it, you're telling the delegate to start but then your thread is free to do other things in parallel with the delegate. Using BeginInvoke increases the com...