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Approximate cost to access various caches and main memory?

...xample, check page 22 for some timings & cycles for example). Additionally, this page has some details on clock cycles etc. The second link served the following numbers: Core i7 Xeon 5500 Series Data Source Latency (approximate) [Pg. 22] local L1 CACHE hit, ...
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How to identify numpy types in python?

...o test for that. And so on. The point is, you have to know what you're actually asking for when you want to do something as unusual as loose manual type switching, but once you know, it's easy to implement. – abarnert Mar 11 '16 at 20:41 ...
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How to manage local vs production settings in Django?

...velopment and production. And every developer has a different code base.I call anti-pattern here. – pydanny Jan 31 '13 at 16:25 8 ...
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Replacing spaces with underscores in JavaScript?

...e to replace spaces with _, it works for the first space in the string but all the other instances of spaces remain unchanged. Anybody know why? ...
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UIPanGestureRecognizer - Only vertical or horizontal

I have a view that has a UIPanGestureRecognizer to drag the view vertically. So in the recognizer callback, I only update the y-coordinate to move it. The superview of this view, has a UIPanGestureRecognizer that will drag the view horizontally, just updating the x-coordinate. ...
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How to make inline functions in C#

...=> x + y; void print(int x) { Console.WriteLine(x); } There are basically two different types for these: Func and Action. Funcs return values but Actions don't. The last type parameter of a Func is the return type; all the others are the parameter types. There are similar types with different...
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How do I use raw_input in Python 3

... There was originally a function input() which acted something like the current eval(input()). It was a leftover from when Python was less security conscious. The change simplified the language. See also "import this" for a deeper explanat...
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Pass a parameter to a fixture function

... through the tester fixture. I had a similar problem--I have a fixture called test_package, and I later wanted to be able to pass an optional argument to that fixture when running it in specific tests. For example: @pytest.fixture() def test_package(request, version='1.0'): ... request....
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How do you do Impersonation in .NET?

...asy WindowsIdentity.Impersonate Method (check out the code samples) Basically you will be leveraging these classes that are out of the box in the .NET framework: WindowsImpersonationContext WindowsIdentity The code can often get lengthy though and that is why you see many examples like the on...
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Does reading an entire file leave the file handle open?

...hat on the particular Python implementation. To understand what this is all about, pay particular attention to the actual file object. In your code, that object is mentioned only once, in an expression, and becomes inaccessible immediately after the read() call returns. This means that the file...