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C++: How to round a double to an int? [duplicate]
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float x = 55; // stored as 54.999999...
x = x + 0.5 - (x<0); // x is now 55.499999...
int y = (int)x; // truncated to 55
C++11 also introduces std::round, which likely uses a similar logic of adding 0.5 to |x| under the hood (see the link if interested) but is obviously more robust.
A follo...
Running junit tests in parallel in a Maven build?
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From junit 4.7 it's now possible to run tests in parallel without using TestNG. Actually it has been possible since 4.6, but there are a number of fixes being made in 4.7 that will make it a viable option. You may also run parallel tests with sp...
What does the CSS rule “clear: both” do?
... so this is how block level elements behave when floated left or right, so now why is clear: both; required and why?
So if you note in the layout demo - in case you forgot, here it is..
I am using a class called .clear and it holds a property called clear with a value of both. So lets see why it n...
Understanding the Rails Authenticity Token
...ome issues regarding the Authenticity Token in Rails, as I have many times now.
10 Answers
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What's the difference between “bundle display name” and “bundle name” in cocoa application's info pl
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My point is that no one seems to know where it is used, no one has yet answered. If you do know the answer, feel free to add it by tapping "Add Another Answer".
– Jonny
Sep 22 '14 at 1:15
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Access an arbitrary element in a dictionary in Python
...; (key, value) tuple of "first" element
Please note that (at best of my knowledge) Python does not guarantee that 2 successive calls to any of these methods will return list with the same ordering. This is not supported with Python3.
in Python 3:
list(my_dict.keys())[0] -> key of "first" ...
Choosing a stand-alone full-text search server: Sphinx or SOLR? [closed]
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I've been using Solr successfully for almost 2 years now, and have never used Sphinx, so I'm obviously biased.
However, I'll try to keep it objective by quoting the docs or other people. I'll also take patches to my answer :-)
Similarities:
Both Solr and Sphinx satisfy all ...
How to reset (clear) form through JavaScript?
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This solution does not work now (in 2016). When form has default values for text, password and textarea inputs, you should use elements[i].defaultValue="" instead of elements[i].value="".
– Andrew F.
Aug 14 '16 at ...
Best practices for copying files with Maven
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Is the task descriptor now deprecated?
– Matt
Apr 19 '11 at 17:00
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Jackson Vs. Gson [closed]
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Gson 1.6 now includes a low-level streaming API and a new parser which is actually faster than Jackson.
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