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C/C++ line number

...processor variables : __func__ : function name (this is part of C99, not all C++ compilers support it) __DATE__ : a string of form "Mmm dd yyyy" __TIME__ : a string of form "hh:mm:ss" Your code will be : if(!Logical) printf("Not logical value at line number %d in file %s\n", __LINE__, __FIL...
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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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What is the main difference between Inheritance and Polymorphism?

...you put on the fields/methods in Person, but that's the basic idea. For example, if you have a private field on Person, Student won't see it because its private, and private fields are not visible to subclasses. Polymorphism deals with how the program decides which methods it should use, depending...
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How to sort in-place using the merge sort algorithm?

...part of the array while using the rest as working area for merging. For example like the following merge function. void wmerge(Key* xs, int i, int m, int j, int n, int w) { while (i < m && j < n) swap(xs, w++, xs[i] < xs[j] ? i++ : j++); while (i < m) ...
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Round to at most 2 decimal places (only if necessary)

...lso NOT round correctly in some cases (tested in Chrome v.55.0.2883.87)! Examples: parseFloat("1.555").toFixed(2); // Returns 1.55 instead of 1.56. parseFloat("1.5550").toFixed(2); // Returns 1.55 instead of 1.56. // However, it will return correct result if you round 1.5551. parseFloat("1.5551").to...
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Getting the class name of an instance?

...note that the above method works with new-style classes only (in Python 3+ all classes are "new-style" classes). Your code might use some old-style classes. The following works for both: x.__class__.__name__ share ...
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Constructing pandas DataFrame from values in variables gives “ValueError: If using all scalar values

...ipulate it to be index=[100], which works. Q: Isn't Index supposed to logically ordered incrementally, why does python allow Index manipulation? – Sumanth Lazarus Aug 2 '19 at 6:08 ...
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Real-world applications of zygohistomorphic prepromorphisms

... Sharon Curtis and Shin-Cheng Mu have a Functional Pearl using zygomorphisms to find maximally dense segments (a generalization of maximum segment sums). Zygomorphisms are seemingly a good fit for sliding window problems once you are accustomed to them. http://www...
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How to build for armv6 and armv7 architectures with iOS 5

... had to make some modifications so it would work correctly under iOS5, but all those changes were done with iOS4-friendly code changes. We also added some iOS5-specific capabilities in a manner that allows the app to run without crashing under iOS4. Specifically, we tested for iOS5 capabilities bef...
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Redirecting to previous page after authentication in node.js using passport.js

..., next) { if ( !(req.path == '/login' || req.path.startsWith('/auth/')) && req.session.returnTo) { delete req.session.returnTo } next() }) This approach have two features: you can protect some routes with isAuthenticated middleware; on any page you can simply click on login URL...