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Get last element of Stream/List in a one-liner

...e for the general case: Stream<T> stream = ...; // sequential or parallel stream Optional<T> last = stream.reduce((first, second) -> second); This implementations works for all ordered streams (including streams created from Lists). For unordered streams it is for obvious reasons u...
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How to fix the flickering in User controls

...f controls, those holes are visible to the user for a while. They are normally white, contrasting badly with the BackgroundImage when it is dark. Or they can be black if the form has its Opacity or TransparencyKey property set, contrasting badly with just about anything. This is a pretty fundamen...
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How to detect total available/free disk space on the iPhone/iPad device?

... Original answer: I found the following solution working for me: -(uint64_t)getFreeDiskspace { uint64_t totalSpace = 0; uint64_t totalFreeSpace = 0; NSError *error = nil; NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES); NSDic...
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What is the purpose of “return await” in C#?

...n async method behave differently: when combined with using (or, more generally, any return await in a try block). Consider these two versions of a method: Task<SomeResult> DoSomethingAsync() { using (var foo = new Foo()) { return foo.DoAnotherThingAsync(); } } async Tas...
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Pass complex parameters to [Theory]

... InlineData attributes, and xUnit will generate many tests, and test them all. 8 Answers ...
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Is there a Python function to determine which quarter of the year a date is in?

...ond quarter, etc -- add 1 if you need to count from 1 instead;-). Originally two answers, multiply upvoted and even originally accepted (both currently deleted), were buggy -- not doing the -1 before the division, and dividing by 4 instead of 3. Since .month goes 1 to 12, it's easy to check for ...
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mongodb count num of distinct values per field/key

...} }, { $unwind: "$keywords" }, { $group: { _id: {$toLower: '$keywords'}, count: { $sum: 1 } } }, { $match: { count: { $gte: 2 } } }, { $sort : { count : -1} }, { $limit : 100 } ]); that give result ...
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how to add script src inside a View when using Layout

... BTW, sections are essentially your contentplaceholders you were referring to. See the default MVC web project and how they place a heading on the page. – Brad Christie Jan 11 '13 at 18:57 ...
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Flatten an Array of Arrays in Swift

... Just to state this more generally, flatMap is available as of Swift 1.2. – Mick MacCallum Apr 24 '15 at 4:56 3 ...
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ASP.NET MVC 3: Override “name” attribute with TextBoxFor

... Rob, actually there is a much simpler way. Instead of name, use Name: @Html.TextBoxFor(x => x.Data, new { Name = Model.Key + "_Data", id = Model.Key + "_Data" }) ...