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How to calculate “time ago” in Java?

... 30 Answers 30 Active ...
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How to set a Default Route (To an Area) in MVC

... +150 This one interested me, and I finally had a chance to look into it. Other folks apparently haven't understood that this is an issue w...
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Python unittests in Jenkins?

...il("shouldn't happen") def test_pass(self): self.assertEqual(10, 7 + 3) def test_fail(self): self.assertEqual(11, 7 + 3) JUnit with pytest run the tests with: py.test --junitxml results.xml tests.py results.xml: <?xml version="1.0" encoding="utf-8"?> <testsu...
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Assign pandas dataframe column dtypes

... Since 0.17, you have to use the explicit conversions: pd.to_datetime, pd.to_timedelta and pd.to_numeric (As mentioned below, no more "magic", convert_objects has been deprecated in 0.17) df = pd.DataFrame({'x': {0: 'a', 1: 'b'}...
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C++ preprocessor __VA_ARGS__ number of arguments

... 90 This is actually compiler dependent, and not supported by any standard. Here however you have a...
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Which is faster in Python: x**.5 or math.sqrt(x)?

... math.sqrt(x) is significantly faster than x**0.5. import math N = 1000000 %%timeit for i in range(N): z=i**.5 10 loops, best of 3: 156 ms per loop %%timeit for i in range(N): z=math.sqrt(i) 10 loops, best of 3: 91.1 ms per loop Using Python 3.6....
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The modulo operation on negative numbers in Python

...nually fix it up by adding 7: int result = (2 - N) % 7; return result < 0 ? result + 7 : result; (See http://en.wikipedia.org/wiki/Modulo_operator for how the sign of result is determined for different languages.) share ...
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ab load testing

... default it will hit http:// protocol if you don't specify it. ab -k -c 350 -n 20000 example.com/ By issuing the command above, you will be hitting http://example.com/ with 350 simultaneous connections until 20 thousand requests are met. It will be done using the keep alive header. After the pro...
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How can I determine whether a 2D Point is within a Polygon?

...ion, it might translate to something else. On retina screens half a point (0.5/0.5) is pixel. Still, I never noticed that macOS UIs are significantly slower than other UIs. After all 3D APIs (OpenGL or Direct3D) also works with floats and modern graphics libraries very often take advantage of GPU ac...
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Code Golf - π day

... In dc: 88 and 93 93 94 96 102 105 129 138 141 chars Just in case, I am using OpenBSD and some supposedly non-portable extensions at this point. 93 chars. This is based on same formula as FORTRAN solution (slightly different results than test cases). ...