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mongodb group values by multiple fields

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Why should Java ThreadLocal variables be static

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PowerShell: Store Entire Text File Contents in Variable

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Significant new inventions in computing since 1980

...efore (Nelson’s Xanadu had tried to implement a distributed scheme), the WWW was a new approach for implementing a distributed hypertext system. Berners-Lee combined a simple client-server protocol, markup language, and addressing scheme in a way that was powerful and easy to implement. I think ...
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Is a `=default` move constructor equivalent to a member-wise move constructor?

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Python: Select subset from list based on index set

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How to get the current date/time in Java [duplicate]

...Instance(); System.out.println(dateFormat.format(cal.getTime())); http://www.mkyong.com/java/java-how-to-get-current-date-time-date-and-calender/ share | improve this answer | ...
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Hidden features of Eclipse [closed]

...s), which is great for detecting bugs early. See more useful templates at www.tarantsov.com/eclipse/templates/. I won't list them all here because there are many, and because I often add new ones. Completion A few code completion tricks: camel case support mentioned in another answer: type cTM,...
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How does HashSet compare elements for equality?

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setuptools vs. distutils: why is distutils still a thing?

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