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Bash conditionals: how to “and” expressions? (if [ ! -z $VAR && -e $VAR ])
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534
if [ ! -z "$var" ] && [ -e "$var" ]; then
# something ...
fi
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arrayfun can be significantly slower than an explicit loop in matlab. Why?
...(t, n) - 1;
end
end
toc
Time to compute on my computer:
Soln1 1.158446 seconds.
Soln2 10.392475 seconds.
Soln3 0.239023 seconds.
Oli 0.010672 seconds.
Now, while the fully 'vectorized' solution is clearly the fastest, you can see that defining a function to be called for every x entry...
Why doesn't the JVM cache JIT compiled code?
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edited Jan 2 '10 at 19:24
answered Jan 2 '10 at 19:18
ska...
Pry: show me the stack
...y the callstack (with show-stack), and so on:
see here:
Frame number: 0/64
From: /Users/johnmair/ruby/rails_projects/personal_site/app/controllers/posts_controller.rb @ line 7 PostsController#index:
5: def index
6: @posts = Post.all
=> 7: binding.pry
8: end
[1] pry(#<Post...
How to set the value to a cell in Google Sheets using Apps Script?
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answered Jul 4 '12 at 19:27
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What is the difference between Numpy's array() and asarray() functions?
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How to increase the maximum number of opened editors in IntelliJ?
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404
Settings | Editor | General | Editor Tabs | Tab limit.
You may also want to increase the re...
Checking for the correct number of arguments
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– Laurence Gonsalves
Dec 3 '10 at 1:24
I figured it out thank you. How about if the file name doesnt exist?
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Compare integer in bash, unary operator expected
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