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Convert.ChangeType() fails on Nullable Types

...a series of blog posts including this at http://www.endswithsaurus.com/2010_07_01_archive.html (Scroll down to the Addendum, @JohnMacintyre actually spotted the bug in my original code which led me down the same path you're on now). I have a couple of small modifications since that post that includ...
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Is there an IDictionary implementation that, on missing key, returns the default value instead of th

...ctionary<TKey, TValue> { private IDictionary<TKey, TValue> _dict = new Dictionary<TKey, TValue>(); public TValue this[TKey key] { get { TValue val; if (!TryGetValue(key, out val)) return default(TValue); ...
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How can I get the source code of a Python function?

...ole class: you can restore it method by method: dir(MyClass), then MyClass.__init__?? and so on. – Valerij May 8 '19 at 12:32 ...
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IntelliJ IDEA JDK configuration on Mac OS

...hich java in terminal, it prints /Library/Java/JavaVirtualMachines/jdk1.7.0_45.jdk/Contents/Home/bin/java and then use Home dir path to input in IntelliJ idea dialog, like this /Library/Java/JavaVirtualMachines/jdk1.7.0_45.jdk/Contents/Home – Maxim Yefremov May...
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Initializing a list to a known number of elements in Python [duplicate]

...x in xrange(N)] 10 loops, best of 3: 109 ms per loop >>> def fill_list1(): """Not too bad, but complicated code""" a = [None] * N for x in xrange(N): a[x] = x**2 >>> %timeit fill_list1() 10 loops, best of 3: 126 ms per loop >>> def fill_list2(): "...
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What is the (function() { } )() construct in JavaScript?

...nswered Nov 22 '11 at 14:21 gion_13gion_13 38.3k99 gold badges9090 silver badges101101 bronze badges ...
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This type of CollectionView does not support changes to its SourceCollection from a thread different

...cher.Invoke((Action)delegate // <--- HERE { _matchObsCollection.Add(match); }); } } share | improve this answer | foll...
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Defining a function with multiple implicit arguments in Scala

...myFun(arg: String)(implicit p: (String, Int) ): Unit = { println(arg + p._1 + p._2) /*otherwise your actual code*/ } // These implicit conversion are able to produce the basic implicit (String,Int) Tuples implicit def idis(implicit is: String, ii: Int): (String,Int)= (is,ii) implicit def idi(s:...
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Calculate distance between two points in google maps V3

...t data is google.maps.LatLng objects. If you just have raw data like {lat: __, lon: __} then you would instead use p1.lat, for example. – Don McCurdy Mar 24 '17 at 20:12 ...
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How can we run a test method with multiple parameters in MSTest?

...s .Cast<KeyValuePair<string, object>>() .Where(_ => _.Key.StartsWith("par")) .Select(_ => _.Value as string) .ToList(); } //usage [TestMethod] [TestProperty("par1", "http://getbootstrap.com/components/")] [TestProperty("par2", "http://www.wsj.com/eu...