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How do I undo 'git add' before commit?

...lots of crap scrolls by ... => Damn, I didn't want to add all of that. google "undo git add" => find Stack Overflow - yay git reset . => fatal: Failed to resolve 'HEAD' as a valid ref. It further turns out that there's a bug logged against the unhelpfulness of this in the mailing li...
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Why does my JavaScript code receive a “No 'Access-Control-Allow-Origin' header is present on the req

...------------------- # Enable cross-origin Ajax requests. # http://code.google.com/p/html5security/wiki/CrossOriginRequestSecurity # http://enable-cors.org/ # <IfModule mod_headers.c> # Header set Access-Control-Allow-Origin "*" # </IfModule> # Header set Header set Access...
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How to make join queries using Sequelize on Node.js

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Is it good style to explicitly return in Ruby?

... I found the question while Googling on implicit returns, as I had just been burned by this. I had added some logic to the end of a function that was implicitly returning something. Most calls to it didn't care (or check) the returned value, but one d...
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After array_filter(), how can I reset the keys to go in numerical order starting at 0

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Does Python optimize tail recursion?

...tail recursion. You may find it with my explanations there: https://groups.google.com/forum/?hl=fr#!topic/comp.lang.python/dIsnJ2BoBKs It can embed a lambda function written with a tail recursion style in another function which will evaluate it as a loop. The most interesting feature in this small...
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Adding a cross-reference to a subheading or anchor in another page

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How should I read a file line-by-line in Python?

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Initial bytes incorrect after Java AES/CBC decryption

... Most times you don't want to use ECB. Just google why. – João Fernandes Mar 22 '13 at 4:43 2 ...
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What should I do if the current ASP.NET session is null?

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