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Why would anyone use set instead of unordered_set?

...ss memory than unordered_set to store the same number of elements. For a small number of elements, lookups in a set might be faster than lookups in an unordered_set. Even though many operations are faster in the average case for unordered_set, they are often guaranteed to have better worst case comp...
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Detailed 500 error message, ASP + IIS 7.5

... Note: "Error Pages" and ".NET Error Pages" are different. You specifically want "Error Pages". – Jess Telford Nov 10 '15 at 23:10 ...
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What is “export default” in javascript?

...he default export can be imported without using braces. This answer is actually pretty wrong as it says you can only use default when there is only one export in a file, which is not true at all. You can have several exports in the same file, but of course only 1 of them can be set as the default on...
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What exactly are “spin-locks”?

...ads on the same core. This has a performance penalty if the wait time is really short, because your thread now has to wait for a preemption to receive CPU time again. Besides, kernel objects are not available in every state of the kernel, such as in an interrupt handler or when paging is not availab...
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What causes a java.lang.ArrayIndexOutOfBoundsException and how do I prevent it?

... Your first port of call should be the documentation which explains it reasonably clearly: Thrown to indicate that an array has been accessed with an illegal index. The index is either negative or greater than or equal to the size of the arra...
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Thread vs ThreadPool

...rom the pool rather than one I've explicitly created? I'm thinking specifically of .NET here, but general examples are fine. ...
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How to tell whether a point is to the right or left side of a line

... ( a and b ) and draw an imaginary line between them. Now I want to have all points that are left from this line in one set and those that are right from this line in the other set. ...
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How to solve java.lang.NoClassDefFoundError?

...er (in this case java.net.URLClassLoader), which is responsible for dynamically loading classes, cannot find the .class file for the class that you're trying to use. Your code wouldn't compile if the required classes weren't present (unless classes are loaded with reflection), so usually this exce...
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Font Awesome icon inside text input element

...e. You should select the wrapper: .wrapper:before. See http://jsfiddle.net/allcaps/gA4rx/ . I also added the placeholder suggestion where the wrapper is redundant. .wrapper input[type="text"] { position: relative; } input { font-family: 'FontAwesome'; } /* This is for the placeholder */ ....
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Why does JPA have a @Transient annotation?

...sing setMale() and setFemale() methods and thus wouldn't persist Person at all. share | improve this answer | follow | ...