大约有 41,000 项符合查询结果(耗时:0.0642秒) [XML]

https://stackoverflow.com/ques... 

How to remove last n characters from every element in the R vector

I am very new to R, and I could not find a simple example online of how to remove the last n characters from every element of a vector (array?) ...
https://stackoverflow.com/ques... 

Converting List to List

I have a list of integers, List<Integer> and I'd like to convert all the integer objects into Strings, thus finishing up with a new List<String> . ...
https://stackoverflow.com/ques... 

Is it sometimes bad to use ?

Is it sometimes bad to use <BR/> tags? 15 Answers 15 ...
https://stackoverflow.com/ques... 

Which version of the git file will be finally used: LOCAL, BASE or REMOTE?

When there's a collison during git merge , I open a mergetool called Meld . It opens three files LOCAL, BASE and REMOTE. As I've read LOCAL is my local branch, BASE is common ancestor and REMOTE is the branch to be merged. ...
https://stackoverflow.com/ques... 

How to implement LIMIT with SQL Server?

I have this query with MySQL: 18 Answers 18 ...
https://stackoverflow.com/ques... 

Use cases for NoSQL [closed]

NoSQL has been getting a lot of attention in our industry recently. I'm really interested in what peoples thoughts are on the best use-cases for its use over relational database storage. What should trigger a developer into thinking that particular datasets are more suited to a NoSQL solution. I'm p...
https://stackoverflow.com/ques... 

What is the “N+1 selects problem” in ORM (Object-Relational Mapping)?

The "N+1 selects problem" is generally stated as a problem in Object-Relational mapping (ORM) discussions, and I understand that it has something to do with having to make a lot of database queries for something that seems simple in the object world. ...
https://stackoverflow.com/ques... 

Convert light frequency to RGB?

Does anyone know of any formula for converting a light frequency to an RGB value? 9 Answers ...
https://stackoverflow.com/ques... 

Capturing mobile phone traffic on Wireshark

How can I capture mobile phone traffic on Wireshark? 12 Answers 12 ...
https://stackoverflow.com/ques... 

Mac zip compress without __MACOSX folder?

When I compress files with the built in zip compressor in Mac OSX, it results in an extra folder titled "__MACOSX" created in the extracted zip. ...