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Convert a series of parent-child relationships into a hierarchical tree?
I have a bunch of name-parentname pairs, that I'd like to turn into as few heirarchical tree structures as possible. So for example, these could be the pairings:
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Get: TypeError: 'dict_values' object does not support indexing when using python 3.2.3 [duplicate]
...it's just wasteful to do so since it would be re-generating the list every time).
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How to count occurrences of a column value efficiently in SQL?
I have a table of students:
6 Answers
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How to generate a random integer number from within a range
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Hey, This answer is cited by Comet OS book ;) First time I see that in a teaching book
– vpuente
Oct 10 '17 at 8:13
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Why maven? What are the benefits? [closed]
...m. Managing all this manually by hand would be a nightmare.
And yes, sometimes you have to work on the convergence of dependencies. But think about it twice, this is not inherent to Maven, this is inherent to any system using dependencies (and I am talking about Java dependencies in general here)....
How Does Modulus Divison Work
... day is divided into two 12 hour periods.
Lets say we have currently this time: 15:00
But you could also say it is 3 pm
This is exactly what modulo does:
15 / 12 = 1, remainder 3
You find this example better explained on wikipedia: Wikipedia Modulo Article
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How do I copy folder with files to another folder in Unix/Linux? [closed]
...nt of the folder is copied, but not the parent folder itself, which is sometimes handy. And the difference is the /.
– muni764
Jul 26 '18 at 16:16
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Is it possible to use a div as content for Twitter's Popover
...any ids because the ids will be duplicated.
If you load the contents every time that the popover is shown you will lose all of the user's input.
What you want to do is load the object itself into the popover.
https://jsfiddle.net/shrewmouse/ex6tuzm2/4/
HTML:
<h1> Test </h1>
<div...
rails - Devise - Handling - devise_error_messages
...ype="button" class="close" data-dismiss="alert" aria-hidden="true">&times;</button>
<p><strong>This form contains <%= pluralize(object.errors.count, 'error') %>.</strong></p>
<ul>
<% object.errors.full_messages.each do |msg| %&g...
Batch file. Delete all files and folders in a directory
I want to have a batch file that will delete all the folders and files in my cache folder for my wireless toolkit.
15 Answe...