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How to append a newline to StringBuilder

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MySql Table Insert if not exist otherwise update

... using INSERT ... ON DUPLICATE KEY UPDATE on tables against a table having more than one unique or primary key. Taken from MySQL documentation: In addition, beginning with MySQL 5.5.24, an INSERT ... ON DUPLICATE KEY UPDATE statement against a table having more than one unique or primary key is als...
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Should struct definitions go in .h or .c file?

... I think I agree with this answer more. It's not about using the struct through any other .c files or not, it's whether the struct should be considered public (and so, accessible) or not. – c00kiemon5ter Jun 11 '11 at 16...
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Why are these numbers not equal?

...ls 0.15") else cat("i does not equal 0.15") yields i equals 0.15 Some more examples of using all.equal instead of == (the last example is supposed to show that this will correctly show differences). 0.1+0.05==0.15 #[1] FALSE isTRUE(all.equal(0.1+0.05, 0.15)) #[1] TRUE 1-0.1-0.1-0.1==0.7 #[1] F...
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Setting mime type for excel document

...Disposition is only for email. See stackoverflow.com/questions/1012437 for more info. – Dzmitry Lazerka Apr 25 '14 at 21:32 ...
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when I run mockito test occurs WrongTypeOfReturnValue Exception

...b.method1(a)).thenReturn(c);), which will help you discover the hidden bug more concisely and quickly. Or in this particular case, after doing that it started showing the more accurate "NotAMockException", and I changed it to not longer try to set a return value from a non-mock object. ...
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GraphViz - How to connect subgraphs?

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Guava: Why is there no Lists.filter() function?

... It's more like: List filteredList = newArrayList(filter(originalList, new Predicate<T>() { @Override public boolean apply(T input) { return (...); } })); or ie. List filteredList = newArrayList(filter(originalList, Predicate...
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Suppress warning CS1998: This async method lacks 'await'

... In the case of throwing NotImplementedException, the procedure is a bit more wordy: public Task<int> Fail() // note: no "async" { var tcs = new TaskCompletionSource<int>(); tcs.SetException(new NotImplementedException()); return tcs.Task; } If you have a lot of methods throwi...
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What are the differences between segment trees, interval trees, binary indexed trees and range trees

...j_random_hacker: Segment trees based algorithms have advantages in certain more complex high-dimensional variants of the intervals query. For example, finding which non-axis-parallel line-segments intersect with a 2D window. – Lior Kogan Jul 25 '13 at 16:39 ...