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Running multiple AsyncTasks at the same time — not possible?

... the stuff from doInBackground(). The issue is initially (in early Android OS versions) the pool size was just 1, meaning no parallel computations for a bunch of AsyncTasks. But later they fixed that and now the size is 5, so at most 5 AsyncTasks can run simultaneously. Unfortunately I don't remembe...
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How do I choose between Semaphore and SemaphoreSlim?

... system-wide. This would mean that a SemaphoreSlim could not be used for cross-process synchronization. The MSDN documentation also indicates that SemSlim should be used when "wait times are expected to be very short". That would usually dovetail nicely with the idea that the slim version is more l...
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How to check if an object is nullable?

...t { return true; } } then static void Main(string[] args) { int a = 123; int? b = null; object c = new object(); object d = null; int? e = 456; var f = (int?)789; bool result1 = ValueTypeHelper.IsNullable(a); // false bool result2 = ValueTypeHelper.IsNullable(b); /...
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Why use Ruby instead of Smalltalk? [closed]

... Smalltalk did substantially address the insularity. The class library of most of the main smalltalk implementations (VisualWorks, VisualAge etc.) was large and had reputation for a fairly steep learning curve. Most key functionality in Smalltalk is hidden away somewhere in the class library, even ...
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How to display count of notifications in app launcher icon [duplicate]

... 123 Android ("vanilla" android without custom launchers and touch interfaces) does not allow chang...
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git-diff to ignore ^M

...s contains ^M as newline separators. Diffing these files are apparently impossible, since git-diff sees it as the entire file is just a single line. ...
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If unit testing is so great, why aren't more companies doing it? [closed]

... then -- I have no idea what our code coverage was like and I was writing most of the unit tests. Since then I've run into some companies that do lots of testing, but it's chair testing: relies on a person being there, has low repeatibility and low chance of catching bugs. The other attitude is: it ...
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Is there a perfect algorithm for chess? [closed]

...around 10^46. The complete chess search tree (Shannon number) is around 10^123, based on an average branching factor of 35 and an average game length of 80. For comparison, the number of atoms in the observable universe is commonly estimated to be around 10^80. All endgames of 6 pieces or less have...
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What is the difference between char array and char pointer in C?

... why i can set char *name; name="123"; but can do the same with int type? And after using %c to print name , the output is unreadable string: �? – TomSawyer Apr 23 at 19:52 ...
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How do you unit test private methods?

... 123 If you are using .net, you should use the InternalsVisibleToAttribute. ...