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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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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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Embedding Base64 Images

...ntendo DSi or Wii) WebKit-based, such as Safari (including on iOS), Android's browser, Epiphany and Midori (WebKit is a derivative of Konqueror's KHTML engine, but Mac OS X does not share the KIO architecture so the implementations are different), as well as Webkit/Chromium-based, such as Chrome ...
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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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How do I install g++ for Fedora?

...edora Linux? I have been searching the dnf command to install g++ but didn't find anything. 9 Answers ...
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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 ...
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How to get a variable value if variable name is stored as string?

...ccomplish the same thing as the accepted answer is to use: ${(P)a} It is called Parameter name replacement This forces the value of the parameter name to be interpreted as a further parameter name, whose value will be used where appropriate. Note that flags set with one of the typeset fami...
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Allowing Untrusted SSL Certificates with HttpClient

...irty solution is to use the ServicePointManager.ServerCertificateValidationCallback delegate. This allows you to provide your own certificate validation. The validation is applied globally across the whole App Domain. ServicePointManager.ServerCertificateValidationCallback += (sender, cert, cha...