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Which is more preferable to use: lambda functions or nested functions ('def')?

...t Python users, but also much more concise in some circumstances. Consider converting from using non-functional to functional routine: # Using non-functional version. heading(math.sqrt(v.x * v.x + v.y * v.y), math.atan(v.y / v.x)) # Using lambda with functional version. fheading(v, lambda v: mat...
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Accessing an array out of bounds gives no error, why?

...ou don't want to pay that price. Having said that, I've become a complete convert to std::vector's at() method, which IS checked. Using it has exxposed quite a few errors in what I thought was "correct" code. – anon Aug 6 '09 at 16:48 ...
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Why are arrays of references illegal?

... An array is implicitly convertable to a pointer, and pointer-to-reference is illegal in C++ share | improve this answer | ...
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Numpy: find first index of value fast

...Python and Fortran code are available. I skipped the unpromising ones like converting to a list. The results on log scale. X-axis is the position of the needle (it takes longer to find if it's further down the array); last value is a needle that's not in the array. Y-axis is the time to find it. ...
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How to access session variables from any class in ASP.NET?

... and if you want to convert to HttpSessionStateBase: HttpSessionStateBase session = new HttpSessionStateWrapper(HttpContext.Current.Session); re: stackoverflow.com/questions/5447611/… – sobelito Oct 26 '1...
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Detecting endianness programmatically in a C++ program

... The network conversion ops can also be used to convert everything to big endian, thus solving other problems Jay may be encountering. – Brian Jun 16 '09 at 13:15 ...
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What's the cleanest way of applying map() to a dictionary in Swift?

...ether, substituting a default value for missing elements, grouping values (converting a collection into a dictionary of arrays, keyed by the result of mapping the collection over some function), and more. During discussion of the proposal, SE-0165, that introduced these features, I brought up this ...
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How do I raise the same Exception with a custom message in Python?

....args[0] + " hello",) + err.args[1:] may work more reliably (and then just convert to a string to get the message). – Duncan Feb 6 '12 at 9:50 1 ...
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Generate colors between red and green for a power meter?

... To directly convert to a hex color code, you might want to leverage String.format("#%06X", 0xFFFFFF & getTrafficlightColor(value)); – ngeek May 11 '16 at 8:01 ...
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How to sort two lists (which reference each other) in the exact same way

...nning your example: TypeError: only integer arrays with one element can be converted to an index (Python 2.7.6, numpy 1.8.2). To fix it, list1 and list2 must be declared as numpy arrays. – BenB Jul 7 '15 at 0:53 ...