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MongoDB: How to query for records where field is null or not set?
I have an Email document which has a sent_at date field:
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How to use CMAKE_INSTALL_PREFIX
...with install target, making installation to /usr instead of default /usr/local. Assuming that build directory is done in the source subdirectory, I execute:
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Where does this come from: -*- coding: utf-8 -*-
Python recognizes the following as instruction which defines file's encoding:
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What does -XX:MaxPermSize do?
Specifically, why would it help to fix a PermGen OutOfMemoryError issue?
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Get TransactionScope to work with async / await
I'm trying to integrate async / await into our service bus.
I implemented a SingleThreadSynchronizationContext based on this example http://blogs.msdn.com/b/pfxteam/archive/2012/01/20/10259049.aspx .
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How to output loop.counter in python jinja template?
I want to be able to output the current loop iteration to my template.
3 Answers
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Using custom std::set comparator
I am trying to change the default order of the items in a set of integers to be lexicographic instead of numeric, and I can't get the following to compile with g++:
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How does OpenID authentication work?
I am a little curious to know about how OpenID authentication works.
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