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How to use Boost in Visual Studio 2010

...boost (1.47.0 as of writing) into a directory of your choice (e.g. C:\boost_1_47_0). Create a new empty project in Visual Studio. Open the Property Manager and expand one of the configuration for the platform of your choice. Select & right click Microsoft.Cpp.<Platform>.user, and select Pr...
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When to use in vs ref vs out

...f myfuncOut and myfuncRef are identical as expected. outRefTest.myfunc: IL_0000: nop IL_0001: ldc.i4.0 IL_0002: starg.s 00 IL_0004: ldarg.0 IL_0005: stloc.0 IL_0006: br.s IL_0008 IL_0008: ldloc.0 IL_0009: ret outRefTest.myfuncOut: IL_0000: ...
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TypeScript typed array usage

... You have an error in your syntax here: this._possessions = new Thing[100](); This doesn't create an "array of things". To create an array of things, you can simply use the array literal expression: this._possessions = []; Of the array constructor if you want to se...
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What is the use of join() in Python threading?

... @Aviator45003: Yes, by using the timeout argument like: demon_thread.join(0.0), join() is by default blocking without regard to the daemonized attribute. But joining a demonized thread opens most likely a whole can of trouble! I'm now considering to remove the join() call in my little ...
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What's the canonical way to check for type in Python?

... str.__subclasses__() only returns the direct subclasses of str, and does not do the same thing as issubclass() or isinstance(). (To do that, you would have to recursively call .__subclasses__(). – Thomas Wou...
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Error in finding last used cell in Excel with VBA

...on.CountA(.Cells) <> 0 Then lastrow = .Cells.Find(What:="*", _ After:=.Range("A1"), _ Lookat:=xlPart, _ LookIn:=xlFormulas, _ SearchOrder:=xlByRows, _ SearchDirection:=xlPrevio...
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How to use timeit module

... you defined earlier during the interactive session by importing them from __main__ in the setup statement: >>> def f(x): ... return x * x ... >>> import timeit >>> timeit.repeat("for x in range(100): f(x)", "from __main__ import f", number=100000)...
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What is the difference between quiet NaN and signaling NaN?

...+ in this answer instead of C because it offers the convenient std::numeric_limits::quiet_NaN and std::numeric_limits::signaling_NaN which I could not find in C conveniently. I could not however find a function to classify if a NaN is sNaN or qNaN, so let's just print out the NaN raw bytes: main.c...
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Run certain code every n seconds [duplicate]

...ontrol: from threading import Timer class RepeatedTimer(object): def __init__(self, interval, function, *args, **kwargs): self._timer = None self.interval = interval self.function = function self.args = args self.kwargs = kwargs ...
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Regular Expression for alphanumeric and underscores

...that contains only those characters (or an empty string), try "^[a-zA-Z0-9_]*$" This works for .NET regular expressions, and probably a lot of other languages as well. Breaking it down: ^ : start of string [ : beginning of character group a-z : any lowercase letter A-Z : any uppercase letter 0-...