大约有 41,731 项符合查询结果（耗时：0.0451秒） [XML]
Difference between classification and clustering in data mining? [closed]
Can someone explain what the difference is between classification and clustering in data mining?
21 Answers
...
How much of a git sha is *generally* considered necessary to uniquely identify a change in a given c
If you're going to build, say, a directory structure where a directory is named for a commit in a Git repository, and you want it to be short enough to make your eyes not bleed, but long enough that the chance of it colliding would be negligible, how much of the SHA substring is generally required?
...
What is a method group in C#?
I have often encountered an error such as "cannot convert from 'method group' to 'string'" in cases like:
5 Answers
...
onKeyPress Vs. onKeyUp and onKeyDown
What is the difference between these three events? Upon googling I found that:
12 Answers
...
How can I match on an attribute that contains a certain string?
I am having a problem selecting nodes by attribute when the attributes contains more than one word. For example:
10 Answer...
Merge two Git repositories without breaking file history
I need to merge two Git repositories into a brand new, third repository. I've found many descriptions of how to do this using a subtree merge (for example Jakub Narębski's answer on How do you merge two Git repositories? ) and following those instructions mostly works, except that when I commit...
Understand the “Decorator Pattern” with a real world example
I was studying the Decorator Pattern as documented in GOF .
14 Answers
14
...
Why would adding a method add an ambiguous call, if it wouldn't be involved in the ambiguity
I have this class
5 Answers
5
...
Building a complete online payment gateway like Paypal [closed]
So this question isn't about integrating an existing payment gateway into my site. This is more of a architectural question.
...
How to join two sets in one line without using “|”
Assume that S and T are assigned sets. Without using the join operator | , how can I find the union of the two sets? This, for example, finds the intersection:
...