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Concurrent HashSet in .NET Framework?

... you the same advantages than a HashSet<T> except key and value are different objects. Source: Social MSDN ConcurrentBag If you don't mind about the duplicate entries, you can use the class ConcurrentBag<T> in the same namespace of the previous class. private ConcurrentBag<string&...
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Java string to date conversion

...UR_OF_DAY)); Then you can manipulate that with something like: Calendar now = Calendar.getInstance(); mydate.set(Calendar.YEAR,2009); mydate.set(Calendar.MONTH,Calendar.FEBRUARY); mydate.set(Calendar.DAY_OF_MONTH,25); mydate.set(Calendar.HOUR_OF_DAY,now.get(Calendar.HOUR_OF_DAY)); mydate.set(Cale...
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Natural Sort Order in C#

...e 1) although Windows used to (e.g. XP) handle numbers of any length, it's now limited to 19 digits - mine is unlimited, 2) Windows gives inconsistent results with certain sets of Unicode digits - mine works fine (although it doesn't numerically compare digits from surrogate pairs; nor does Windows)...
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How to raise a ValueError?

... Did you know that, if you don't want to use the message, you can just raise ValueError instead of raise ValueError()? – Tomasz Gandor Sep 20 '19 at 15:14 ...
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Is there a simple, elegant way to define singletons? [duplicate]

... bound to the module, which could not be instantiated repeatedly anyway. If you do wish to use a class, there is no way of creating private classes or private constructors in Python, so you can't protect against multiple instantiations, other than just via convention in use of your API. I would st...
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Why is HttpClient BaseAddress not working?

... you. That solved a problem I've been struggling with for most of two days now, between switching to Azure, back to IIS, and back to IIS Express, which most rudely ignores misplaced or extra forward slashes. Once set in the base class of my RestClient, it was almost invisible and got no attention at...
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__FILE__ macro shows full path

... If your platform supports it char* fileName = basename(__FILE__); It's definitely there in Linux and OS X, don't know about Windows though. – JeremyP Jul 17 '13 at 12:47 ...
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Convert .pem to .crt and .key

...pem or openssl rsa -in private.pem -pubout -out public.pem You’ll now have public.pem containing just your public key, you can freely share this with 3rd parties. You can test it all by just encrypting something yourself using your public key and then decrypting using your private key, fi...
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ObservableCollection Doesn't support AddRange method, so I get notified for each item added, besides

... by myself, FYI, hope it to be helpful: I updated the VB version and from now on it raises an event before changing the collection so you can regret (useful when using with DataGrid, ListView and many more, that you can show an "Are you sure" confirmation to the user), the updated VB version is in ...
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Can someone explain the traverse function in Haskell?

... [1..3]? We get the partial results of [1], [2,2] and [3,3,3] using rep. Now the semantics of lists as Applicatives is "take all combinations", e.g. (+) <$> [10,20] <*> [3,4] is [13,14,23,24]. "All combinations" of [1] and [2,2] are two times [1,2]. All combinations of two times [1,2...