大约有 40,740 项符合查询结果（耗时：0.0300秒） [XML]
What is “entropy and information gain”?
I am reading this book ( NLTK ) and it is confusing. Entropy is defined as :
7 Answers
...
UITableViewCell Separator disappearing in iOS7
I have some strange issue with UITableView only in iOS 7.
37 Answers
37
...
How do I read the contents of a Node.js stream into a string variable?
I'm hacking on a Node program that uses smtp-protocol to capture SMTP emails and act on the mail data. The library provides the mail data as a stream, and I don't know how to get that into a string.
...
How to remove new line characters from a string?
I have a string in the following format
11 Answers
11
...
fs: how do I locate a parent folder?
How do I write this to go back up the parent 2 levels to find a file?
11 Answers
11
...
iPhone Simulator suddenly started running very slow
I have been working on an app in iphone simulator for a number of weeks and it has been running well up until now, but all of a sudden has begun running very slow both when loading content and animations. I have not made any changes to my code since I last tested it successfully.
...
(How) can I count the items in an enum?
This question came to my mind, when I had something like
6 Answers
6
...
What is a pre-revprop-change hook in SVN, and how do I create it?
I wanted to edit a log comment in the repository browser and received an error message that no pre-revprop-change hook exists for the repository. Besides having a scary name, what is a pre-revprop-change hook, and how do I create it?
...
Why does Git treat this text file as a binary file?
I wonder why git tells me this:?
14 Answers
14
...
What's a good IDE for Python on Mac OS X? [closed]
I'm about to start a new job where the coding practices are heavily centered around TDD and refactoring, and whose primary development language is Python. I come from the Java world, and have been a confident user of Eclipse for a good, long time. When not working in Java, I use emacs.
...