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Create a git patch from the uncommitted changes in the current working directory
...anges.
git diff --cached for staged changes.
git diff HEAD for both staged and unstaged changes.
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Is it true that one should not use NSLog() on production code?
...with better functionality. Here's the one I use, it includes the file name and line number to make it easier to track down log statements.
#define DEBUG_MODE
#ifdef DEBUG_MODE
#define DebugLog( s, ... ) NSLog( @"<%p %@:(%d)> %@", self, [[NSString stringWithUTF8String:__FILE__] lastPathCo...
Rails respond_with: how does it work?
I've been reading here and there about how cool the respond_with method is in Rails 3. But I can't even find a reference to it in either the Rails APIs or by searching the source. Can anyone either explain to me how it works (what options you can use, etc) or point me to the place it's actually im...
Auto margins don't center image in page
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add display:block; and it'll work. Images are inline by default
To clarify, the default width for a block element is auto, which of course fills the entire available width of the containing element.
By setting the margin to auto, the browser ...
What Every Programmer Should Know About Memory?
... fundamental concepts about memory: how CPU cache works, what are physical and virtual memory and how Linux kernel deals that zoo. Probably there are outdated API references in some examples, but it doesn't matter; that won't affect the relevance of the fundamental concepts.
So, any book or article...
What's the difference between git clone --mirror and git clone --bare
...es of the target, it maps all refs (including remote branches, notes etc.) and sets up a refspec configuration such that all these refs are overwritten by a git remote update in the target repository.
My original answer also noted the differences between a bare clone and a normal (non-bare) clone ...
How to keep up with the latest versions of Node.js in Ubuntu? PPA? Compiling?
... could also use tools like for example nvm which can help you install node and even have multiple versions.
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How to delete a word and go into insert mode in Vim?
...mal mode I can hit Ctrl + E which deletes the rest of the current word and goes to insert mode.
5 Answers
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What is the difference between Θ(n) and O(n)?
...I see Θ(n) with the strange Θ symbol with something in the middle of it, and sometimes just O(n). Is it just laziness of typing because nobody knows how to type this symbol, or does it mean something different?
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How do I tidy up an HTML file's indentation in VI?
...page into a html file. Open with VIM, type "set smartindent", then "gg=G" and it doesn't fix the indenting of the file.
– mmcdole
May 2 '09 at 20:40
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