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What's the difference between Unicode and UTF-8? [duplicate]
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most editors support save as ‘Unicode’ encoding actually.
This is an unfortunate misnaming perpetrated by Windows.
Because Windows uses UTF-16LE encoding internally as the memory storage format for Unicode strings, it considers this to be the natural encoding of Unicode tex...
How can I convert spaces to tabs in Vim or Linux?
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Using Vim to expand all leading spaces (wider than 'tabstop'), you were right to use retab but first ensure 'expandtab' is reset (:verbose set ts? et? is your friend). retab takes a range, so I usually specify % to mean "the whole file".
:set t...
What is the difference between trie and radix trie data structures?
...ed only five nodes. In the picture above nodes are the asterisks.
So, overall, a radix tree takes less memory, but it is harder to implement. Otherwise the use case of both is pretty much the same.
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NoSQL (MongoDB) vs Lucene (or Solr) as your database
...arned:
You can easily use Lucene/Solr in lieu of MongoDB for pretty much all situations, but not vice versa. Grant Ingersoll's post sums it up here.
MongoDB etc. seem to serve a purpose where there is no requirement of searching and/or faceting. It appears to be a simpler and arguably easier trans...
How do I trigger the success callback on a model.save()?
...is correctly posted to the server which handles the save, but the success callback is not fired. Do I need to send something back from the server ?
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Is there any git hook for pull?
...ot on there, it doesn't exist.
That said, there is a post-merge hook, and all pulls include a merge, though not all merges are pulls. It's run after merges, and can't affect the outcome. It never gets executed if there were conflicts; you'd have to pick that up with the post-commit hook if it reall...
Google MAP API Uncaught TypeError: Cannot read property 'offsetWidth' of null
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This problem is usually due to the map div not being rendered before the javascript runs that needs to access it.
You should put your initialization code inside an onload function or at the bottom of your HTML file, just before the tag, so th...
Applying .gitignore to committed files
...wered Sep 23 '11 at 11:05
Matt BallMatt Ball
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How to automatically install Ansible Galaxy roles?
All my Ansible playbooks/roles are checked in to my git repo.
8 Answers
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What are the barriers to understanding pointers and what can be done to overcome them? [closed]
...use address on it, and the memory block it references as the actual house. All sorts of operations can thus be easily explained.
I've added some Delphi code down below, and some comments where appropriate. I chose Delphi since my other main programming language, C#, does not exhibit things like mem...
