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How to check if element has any children in Javascript?
... the is whitespace after the tag so you will need to verify the tag type.
https://developer.mozilla.org/En/DOM/Node.hasChildNodes
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Compelling examples of custom C++ allocators?
...llocate
methods.
Update: The memory mapping allocator is now available at https://github.com/johannesthoma/mmap_allocator and is LGPL. Feel free to use it for your projects.
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T-SQL stored procedure that accepts multiple Id values
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Best explanation for languages without null
Every so often when programmers are complaining about null errors/exceptions someone asks what we do without null.
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What are the mathematical/computational principles behind this game?
My kids have this fun game called Spot It! The game constraints (as best I can describe) are:
9 Answers
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LINQ's Distinct() on a particular property
I am playing with LINQ to learn about it, but I can't figure out how to use Distinct when I do not have a simple list (a simple list of integers is pretty easy to do, this is not the question). What I if want to use Distinct on a list of an Object on one or more properties of the object?
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How do I resolve cherry-pick conflicts using their changes?
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Automatically plot different colored lines
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What's “P=NP?”, and why is it such a famous question? [closed]
The question of whether P=NP is perhaps the most famous in all of Computer Science. What does it mean? And why is it so interesting?
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Specifying rails version to use when creating a new application
...ew Rails 4.2.9 projects the steps are:
mkdir myapp
cd myapp
echo "source 'https://rubygems.org'" > Gemfile
echo "gem 'rails', '4.2.9'" >> Gemfile
bundle install
bundle exec rails new . --force --skip-bundle
bundle update
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