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Select the values of one property on all objects of an array in PowerShell

... I think you might be able to use the ExpandProperty parameter of Select-Object. For example, to get the list of the current directory and just have the Name property displayed, one would do the following: ls | select -Property Name This is still returning Direc...
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What is the fastest way to send 100,000 HTTP requests in Python?

... file which has 100,000 URL's. I need to send an HTTP request to each URL and print the status code. I am using Python 2.6, and so far looked at the many confusing ways Python implements threading/concurrency. I have even looked at the python concurrence library, but cannot figure out how to wri...
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How do I make a textbox that only accepts numbers?

...e past I've done this kind of validation by overloading the KeyPress event and just removing characters which didn't fit the specification. I've looked at the MaskedTextBox control but I'd like a more general solution that could work with perhaps a regular expression, or depend on the values of othe...
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Convert list to dictionary using linq and not worrying about duplicates

...rson objects. I want to convert to a Dictionary where the key is the first and last name (concatenated) and the value is the Person object. ...
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Transposing a NumPy array

I use Python and NumPy and have some problems with "transpose": 16 Answers 16 ...
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How do you express binary literals in Python?

... answered Aug 16 '08 at 12:35 Andreas ThomasAndreas Thomas 3,81033 gold badges2020 silver badges1515 bronze badges ...
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Rails: around_* callbacks

...api.rubyonrails.org/classes/ActiveRecord/Callbacks.html , but don't understand when the around_* callbacks are triggered in relation to before_* and after_* . ...
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How to get the error message from the error code returned by GetLastError()?

..... Win32 weirdness. Thanks for the heads up, fixed it in my own code base (and my answer). Very subtle catch. – Jamin Grey Jan 11 '14 at 1:45 1 ...
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Why does this go into an infinite loop?

...ew MutableInt(valueBeforeIncrement); } Right? Increment the value passed and return the original value: that's the definition of the postincrement operator. Now, let's see how this behavior plays out in your example code: MutableInt x = new MutableInt(); x = postIncrement(x); postIncrement(x) ...
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Is gettimeofday() guaranteed to be of microsecond resolution?

...h, I believe the resolution of gettimeofday() is 10us. It can jump forward and backward and time, consequently, based on the processes running on your system. This effectively makes the answer to your question no. You should look into clock_gettime(CLOCK_MONOTONIC) for timing intervals. It suffers ...