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Big-O for Eight Year Olds? [duplicate]

I'm asking more about what this means to my code. I understand the concepts mathematically, I just have a hard time wrapping my head around what they mean conceptually. For example, if one were to perform an O(1) operation on a data structure, I understand that the number of operations it has to p...
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How to echo with different colors in the Windows command line

I know that the color bf command sets the colors of the whole command line window but I wanted to to print one single line in a different color. ...
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WebKit issues with event.layerX and event.layerY

... deprecation warning on an event (at least in my opinion). One mousemove handler and your console explodes. :) Here's a recent jQuery ticket: http://bugs.jquery.com/ticket/10531 UPDATE: This is fixed now if you upgrade to jQuery 1.7. Please note that if upgrading jQuery doesn't fix the issue for...
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cscope or ctags why choose one over the other? [closed]

I primarily use vim / gvim as an editor and am looking at using a combination of lxr (the Linux Cross Reference) and either cscope or ctags for exploring the kernel source. However, I haven't ever used either cscope or ctags and would like to hear why one might choose one over the other t...
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What are the best practices for using a GUID as a primary key, specifically regarding performance?

...have an application that uses GUID as the Primary Key in almost all tables and I have read that there are issues about performance when using GUID as Primary Key. Honestly, I haven't seen any problem, but I'm about to start a new application and I still want to use the GUIDs as the Primary Keys, but...
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How do I decode a string with escaped unicode?

... to http://example.com with JavaScript? I tried unescape , decodeURI , and decodeURIComponent so I guess the only thing left is string replace. ...
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What is an unsigned char?

...ich gives you at least the 0 to 255 range. "At least", because the C++ standard only gives the minimum range of values that each numeric type is required to cover. sizeof (char) is required to be 1 (i.e. one byte), but a byte could in theory be for example 32 bits. sizeof would still be report its...
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Breadth First Vs Depth First

When Traversing a Tree/Graph what is the difference between Breadth First and Depth first? Any coding or pseudocode examples would be great. ...
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CFBundleVersion in the Info.plist Upload Error

...". So, for Apple, 1.02 is GREATER THAN 1.1 Apple sometimes gets "confused" and seems to compare your uploaded-app to the version of a DIFFERENT app you've previously uploaded. It's happened to a lot of people, and I've seen it myself a few times Apple is supposed to be comparing the "CFBundleVersion...
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How to move a model between two Django apps (Django 1.7)

So about a year ago I started a project and like all new developers I didn't really focus too much on the structure, however now I am further along with Django it has started to appear that my project layout mainly my models are horrible in structure. ...