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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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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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How to delete a workspace in Eclipse?
...le directory. This will delete all the projects but also the Eclipse cache and settings for the workspace. These are kept in the .metadata folder of an Eclipse workspace. Note that you can configure Eclipse to use project folders that are outside the workspace folder as well, so you may want to veri...
Default filter in Django admin
...ve a field named as status which has three values: activate , pending and rejected . When I use list_filter in Django admin, the filter is by default set to 'All' but I want to set it to pending by default.
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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...
npm throws error without sudo
I just installed node and npm through the package on nodejs.org and whenever I try to search or install something with npm it throws the following error, unless I sudo the command. I have a feeling this is a permissions issue? I am already the admin.
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.NET unique object identifier
...ing (GUID, integer, whatever). That would add a certain amount of overhead and complexity, however.
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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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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...
How can I launch multiple instances of MonoDevelop on the Mac?
...open a new MonoDevelop instance to work on a different project on the Mac, and the OS is currently preventing me from opening a new instance.
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