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Performance of Find() vs. FirstOrDefault() [duplicate]

...sedMilliseconds); The key thing to notice here is that FirstOrDefault is called on Enumerable whereas Find is called as a method on the source list. So, what is find doing? This is the decompiled Find method private T[] _items; [__DynamicallyInvokable] public T Find(Predicate<T> match) { ...
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In what areas might the use of F# be more appropriate than C#? [closed]

...a sweet spot for the language within enterprise software, namely algorithmically complex analysis of large data sets. My experience has been a very positive one. In particular: Units of measure The industry I work in is littered with units. The equations I implemented (often of a geometric nature) ...
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What is the difference between range and xrange functions in Python 2.X?

... What is wrong with calling xrange a generator? It is a function containing yield statement, and according to glossary such functions are called generators. – winterlight May 16 '19 at 4:04 ...
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Avoid dropdown menu close on click inside

...red immediately when the hide instance method hide.bs.dropdown | has been called. The toggling anchor element is available as the | relatedTarget property of the event. Therefore, implementing this function should be able to disable the dropdown from closing. $('#myDropdown').on...
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Should 'using' directives be inside or outside the namespace?

... This is imho a much better reason to put using statements locally than Mark's multiple-namespaces-in-one-file argument. Especially sine the compile can and will complain about the naming clash (see the StyleCop documentation for this rule (e.g. as posted by Jared)). ...
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In a PHP project, what patterns exist to store, access and organize helper objects? [closed]

...DI frameworks). Important is that you only pass in what you actually use (call an action on), NOT what you simply pass to other objects because they need it. Here's a recent post from 'uncle Bob' (Robert Martin) discussing manual DI vs using framework. Some more thoughts on Flavius's solution. I...
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How do Python functions handle the types of the parameters that you pass in?

...dex] Note that we now put in a string as the type of l, which is syntactically allowed, but it is not good for parsing programmatically (which we'll come back to later). It is important to note that Python won't raise a TypeError if you pass a float into index, the reason for this is one of the m...
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UIScrollView not scrolling

...lViewDelegate> in your .h file if you wish to do things like programmatically scroll your UIScrollView. – Albert Renshaw Nov 11 '13 at 18:35 1 ...
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Is there a difference between x++ and ++x in java?

... ++x is called preincrement while x++ is called postincrement. int x = 5, y = 5; System.out.println(++x); // outputs 6 System.out.println(x); // outputs 6 System.out.println(y++); // outputs 5 System.out.println(y); // outputs 6 ...
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Transposing a 2D-array in JavaScript

...y[0].map((_, colIndex) => array.map(row => row[colIndex])); map calls a provided callback function once for each element in an array, in order, and constructs a new array from the results. callback is invoked only for indexes of the array which have assigned values; it is not invoked for ...