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Null or default comparison of generic argument in C#

...IEquatable<T> (without boxing) as well as object.Equals, and handles all the Nullable<T> "lifted" nuances. Hence: if(EqualityComparer<T>.Default.Equals(obj, default(T))) { return obj; } This will match: null for classes null (empty) for Nullable<T> zero/false/etc for...
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How to avoid “too many parameters” problem in API design?

... One style embraced in the frameworks is usually like grouping related parameters into related classes (but yet again problematic with mutability): var request = new HttpWebRequest(a, b); var service = new RestService(request, c, d, e); var client = new RestClient(ser...
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How many threads is too many?

...: measure, don't guess. One suggestion is to make it configurable and initially set it to 100, then release your software to the wild and monitor what happens. If your thread usage peaks at 3, then 100 is too much. If it remains at 100 for most of the day, bump it up to 200 and see what happens. Y...
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When to use IList and when to use List

...hen to use each one. What I'm doing now is if I don't need the Sort or FindAll methods I use the interface. Am I right? Is there a better way to decide when to use the interface or the concrete type? ...
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The case against checked exceptions

...jlsberg and his work, this argument has always struck me as bogus. It basically boils down to: "Checked exceptions are bad because programmers just abuse them by always catching them and dismissing them which leads to problems being hidden and ignored that would otherwise be presented to the us...
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Visual Studio retrieving an incorrect path to a project from somewhere

... .suo file is hidden so you need to enable "show all files and folder" option – ANIL MANE Feb 26 '15 at 16:54 8 ...
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Finding local IP addresses using Python's stdlib

... This example has an external dependency of being able to actually resolve gmail.com. If you set it to an ip address that is not on your local lan (doesn't matter if it's up or down) it'll work without dependencies and without network traffic. – grim ...
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Testing whether a value is odd or even

...necessarily 1, depending on the language. EDIT: Ah, that is what the .abs call is for. Nevermind then. – ptf Dec 5 '14 at 9:41 ...
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Getting indices of True values in a boolean list

...ode where I'm supposed to create a switchboard. I want to return a list of all the switches that are on. Here "on" will equal True and "off" equal False . So now I just want to return a list of all the True values and their position. This is all I have but it only return the position of the fir...
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What is the fastest way to compare two sets in Java?

... firstSet.equals(secondSet) It really depends on what you want to do in the comparison logic... ie what happens if you find an element in one set not in the other? Your method has a void return type so I assume you'll do the necessary work in this method. M...