大约有 40,750 项符合查询结果(耗时:0.0348秒) [XML]

https://stackoverflow.com/ques... 

How to get rid of punctuation using NLTK tokenizer?

I'm just starting to use NLTK and I don't quite understand how to get a list of words from text. If I use nltk.word_tokenize() , I get a list of words and punctuation. I need only the words instead. How can I get rid of punctuation? Also word_tokenize doesn't work with multiple sentences: dots ar...
https://stackoverflow.com/ques... 

Retrieve a Fragment from a ViewPager

I'm using a ViewPager together with a FragmentStatePagerAdapter to host three different fragments: 23 Answers ...
https://stackoverflow.com/ques... 

Good examples of MVVM Template

I am currently working with the Microsoft MVVM template and find the lack of detailed examples frustrating. The included ContactBook example shows very little Command handling and the only other example I've found is from an MSDN Magazine article where the concepts are similar but uses a slightly d...
https://stackoverflow.com/ques... 

Xcode 5 - “iOS Simulator failed to install application” every time I switch simulators

Using Xcode 5 GM, anytime I switch to the 5.1, 6.0 or 6.1 simulators to test, I get the error "iOS Simulator failed to install application." When I reset the simulator it works, but this is getting very tiring. ...
https://stackoverflow.com/ques... 

How to populate/instantiate a C# array with a single value?

I know that instantiated arrays of value types in C# are automatically populated with the default value of the type (e.g. false for bool, 0 for int, etc.). ...
https://stackoverflow.com/ques... 

How can I make a weak protocol reference in 'pure' Swift (without @objc)

weak references don't seem to work in Swift unless a protocol is declared as @objc , which I don't want in a pure Swift app. ...
https://stackoverflow.com/ques... 

Client-server synchronization pattern / algorithm?

I have a feeling that there must be client-server synchronization patterns out there. But i totally failed to google up one. ...
https://stackoverflow.com/ques... 

Read entire file in Scala?

What's a simple and canonical way to read an entire file into memory in Scala? (Ideally, with control over character encoding.) ...
https://stackoverflow.com/ques... 

How to delete all rows from all tables in a SQL Server database?

How to delete all rows from all tables in a SQL Server database? 11 Answers 11 ...
https://stackoverflow.com/ques... 

How can I develop for iPhone using a Windows development machine?

Is there any way to tinker with the iPhone SDK on a Windows machine? Are there plans for an iPhone SDK version for Windows? ...