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Check if a given key already exists in a dictionary and increment it
...ctionary, how can I find out if a given key in that dictionary has already been set to a non-None value?
12 Answers
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Synchronous request in Node.js
If I need to call 3 http API in sequential order, what would be a better alternative to the following code:
18 Answers
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git: undo all working dir changes including new files
...ry including new untracked files. I know that git checkout -f does that, but it doesn't delete new untracked files created since last commit.
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Permanently add a directory to PYTHONPATH?
Whenever I use sys.path.append , the new directory will be added. However, once I close python, the list will revert to the previous (default?) values. How do I permanently add a directory to PYTHONPATH ?
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Ajax, back button and DOM updates
If javascript modifies DOM in page A, user navigates to page B and then hits back button to get back to the page A. All modifications to DOM of page A are lost and user is presented with version that was originally retrieved from the server.
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Check if a value is an object in JavaScript
How do you check if a value is an object in JavaScript?
46 Answers
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What's the best visual merge tool for Git? [closed]
What's the best tool for viewing and editing a merge in Git? I'd like to get a 3-way merge view, with "mine", "theirs" and "ancestor" in separate panels, and a fourth "output" panel.
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How to insert in XSLT
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Use the entity code   instead.
  is a HTML "character entity reference". There is no named entity for non-breaking space in XML, so you use the code  .
Wikipedia includes a list of XML and HTML entities, and you can see that there are only 5 "...
How do I tell if a regular file does not exist in Bash?
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John FeminellaJohn Feminella
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Nested Models in Backbone.js, how to approach
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I have the very same issue while I'm writing my Backbone application. Having to deal with embedded/nested models. I did some tweaks that I thought was a quite elegant solution.
Yes, you can modify the parse method to change a attributes around in the object, but all of th...