大约有 10,000 项符合查询结果（耗时：0.0270秒） [XML]
Why would you use an ivar?
... devices? If you would write the same mobile app twice (e.g. an own mobile web browser), once a version where all classes access their own properties only by getters and once where all classes access them only by ivars, using the first one constantly will definitely drain the battery much faster tha...
What's the difference between a continuation and a callback?
I've been browsing all over the web in search of enlightenment about continuations, and it's mind boggling how the simplest of explanations can so utterly confound a JavaScript programmer like myself. This is especially true when most articles explain continuations with code in Scheme or use monads....
Best practice multi language website
... you have to make available to the user the entire list of phrases on your website that you plan to translate, this could be problematic if there are areas of the site you're keeping hidden or haven't allowed them access to.
You'd also have to assume that all of your users are willing and able to u...
NOT using repository pattern, use the ORM as is (EF)
...g able to switch persistence technology (i.e. changing database or using a webservice etc instead). It's about separating business logic from persistence to reduce complexity and coupling.
Unit tests vs integration tests
You do not write unit tests for repositories. period.
But by introducing re...
RegEx for matching UK Postcodes
... ^
I swear they didn't even test this thing before publicizing it on the web. They made the wrong character set optional. They made [0-9] option in the fourth sub-option of option 2 (group 9). This allows the regex to match incorrectly formatted postcodes like AAA 1AA.
To fix this issue, make the...
Difference between GIT and CVS
...o manage access without requiring separate shell accounts), and HTTPS with WebDAV, with ordinary HTTP authentication.
With CVS there is a choice between custom unencrypted (plain text) pserver protocol, or using remote shell (where you really should use SSH) to publish your changes, which for centr...
A simple explanation of Naive Bayes Classification
... very clear explanation! Easily one of the better ones floating around the web. Question: since each P(outcome/evidence) is multiplied by 1 / z=p(evidence) (which in the fruit case, means each is essentially the probability based solely on previous evidence), would it be correct to say that z doesn'...
Fastest exit strategy for a Panic Button in Crisis/Abuse Websites? [closed]
I am doing a website for a Women's Abuse Resource Center. A lot of centers like this have what is referred to by the centers as a "Panic Button". An example of a basic one is found here at the top of every page in the green bar.
...
What are the differences between git branch, fork, fetch, merge, rebase and clone?
...ce" explanation of how Git models branches and commits, taken from the Git website:
http://eagain.net/articles/git-for-computer-scientists/
A fork isn't a Git concept really, it's more a political/social idea. That is, if some people aren't happy with the way a project is going, they can take the...
What is the difference between bottom-up and top-down?
... to a community wiki. Please prefer academic sources. List of references: {Web: 1,2} {Literature: 5}
Recap
Dynamic programming is all about ordering your computations in a way that avoids recalculating duplicate work. You have a main problem (the root of your tree of subproblems), and subproblems...