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Why does Math.round(0.49999999999999994) return 1?
In the following program you can see that each value slightly less than .5 is rounded down, except for 0.5 .
5 Answers
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How to find memory leak in a C++ code/project?
...hat that means if you have a class that contains a pointer to an object it does not own).
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How to initialize a two-dimensional array in Python?
...e used to get rid of one comprehension. The problem is that multiplication does a shallow copy, so new = [foo] * 10 new = [new] * 10 will get you a list containing the same list ten times.
– Scott Wolchok
Mar 7 '10 at 18:24
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AngularJS : When to use service instead of factory
... you don't know the difference, use factory."
UPDATE :
AngularJS team does his work and give an explanation:
http://docs.angularjs.org/guide/providers
And from this page :
"Factory and Service are the most commonly used recipes. The only difference between them is that Service recipe wor...
:: (double colon) operator in Java 8
...ter way:
reduce((int left, int right) -> Math.max(left, right));
How does this work? The java compiler "detects", that you want to implement a method that accepts two ints and returns one int. This is equivalent to the formal parameters of the one and only method of interface IntBinaryOperator...
How to check if any flags of a flag combination are set?
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As far as I can see, this does the job. And had the clearest comments. Doesn't compile though without a parenthesis around letter & Letters.AB. Edited that in there.
– Svish
Aug 27 '09 at 10:57
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Python ElementTree module: How to ignore the namespace of XML files to locate matching element when
...espace to a separate attribute, perhaps. For simple tag containment tests (does this document contain this tag name?) this solution is great and can be short-circuited.
– Martijn Pieters♦
Oct 1 '19 at 15:37
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Possible to make labels appear when hovering over a point in matplotlib?
...that I have, the scatter plot would be unreadable if I labeled each point. Does anyone know of a way to create labels that only appear when the cursor hovers in the vicinity of that point?
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Why should eval be avoided in Bash, and what should I use instead?
...me unquoted syntax that we used originally with sudo all of the time! Why does it work there, and not here? Why did we have to single-quote everything? sudo is a bit more modern: it knows to enclose in quotes each argument that it receives, though that is an over-simplification. eval simply conc...
CSS technique for a horizontal line with words in the middle
...eally is a good solution; particularly as it works with any background and does not require a set width on the heading element.
– Luke
Apr 29 '13 at 3:52
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