大约有 46,000 项符合查询结果(耗时:0.0611秒) [XML]

https://stackoverflow.com/ques... 

Best way to parse RSS/Atom feeds with PHP [closed]

...r Atom feed isn't well formed. Are there any other options for parsing RSS and Atom feeds with PHP? 10 Answers ...
https://stackoverflow.com/ques... 

what is the difference between 'transform' and 'fit_transform' in sklearn

In the sklearn-python toolbox, there are two functions transform and fit_transform about sklearn.decomposition.RandomizedPCA . The description of two functions are as follows ...
https://stackoverflow.com/ques... 

What does “Auto packing the repository for optimum performance” mean?

...I get this message: "Auto packing the repository for optimum performance", and it does not seem to go away and return the shell. ...
https://stackoverflow.com/ques... 

Ruby 2.0.0p0 IRB warning: “DL is deprecated, please use Fiddle”

...alled my older versions of Ruby, removed all of my gems (including Rails), and installed Ruby 2.0. In other words, a totally clean re-install. Upon starting IRB, I received this message: ...
https://stackoverflow.com/ques... 

Understanding scala enumerations

I have to say I don't understand Scala enumeration classes. I can copy-paste the example from documentation, but I have no idea what is going on. ...
https://stackoverflow.com/ques... 

sqlalchemy flush() and get inserted id?

...re populated immediately within the flush() process as they are generated, and no call to commit() should be required. So the answer here lies in one or more of the following: The details of your mapping If there are any odd quirks of the backend in use (such as, SQLite doesn't generate integer v...
https://stackoverflow.com/ques... 

Set time part of DateTime in ruby

Say I have a datetime object eg DateTime.now . I want to set hours and minutes to 0 (midnight). How can I do that? 4 Ans...
https://stackoverflow.com/ques... 

How do I parse JSON with Objective-C?

...m new to iPhone. Can anyone tell me the steps to follow to parse this data and get the activity details, first name, and last name? ...
https://stackoverflow.com/ques... 

How to crop circular area from bitmap in Android

I have a bitmap and I want to crop a circular region from this bitmap. All pixels outside the circle should be transparent. How can I do this? ...
https://stackoverflow.com/ques... 

How to round to 2 decimals with Python?

...u can use the round function, which takes as its first argument the number and the second argument is the precision after the decimal point. In your case, it would be: answer = str(round(answer, 2)) share | ...