大约有 41,727 项符合查询结果(耗时:0.0309秒) [XML]

https://stackoverflow.com/ques... 

Understanding generators in Python

I am reading the Python cookbook at the moment and am currently looking at generators. I'm finding it hard to get my head round. ...
https://stackoverflow.com/ques... 

Convert a 1D array to a 2D array in numpy

I want to convert a 1-dimensional array into a 2-dimensional array by specifying the number of columns in the 2D array. Something that would work like this: ...
https://stackoverflow.com/ques... 

On design patterns: When should I use the singleton?

The glorified global variable - becomes a gloried global class. Some say breaking object-oriented design. 19 Answers ...
https://stackoverflow.com/ques... 

Best practice for partial updates in a RESTful service

I am writing a RESTful service for a customer management system and I am trying to find the best practice for updating records partially. For example, I want the caller to be able to read the full record with a GET request. But for updating it only certain operations on the record are allowed, like ...
https://stackoverflow.com/ques... 

TCP: can two different sockets share a port?

This might be a very basic question but it confuses me. 5 Answers 5 ...
https://stackoverflow.com/ques... 

Default argument values in JavaScript functions [duplicate]

... 6 Answers 6 Active ...
https://stackoverflow.com/ques... 

What is a plain English explanation of “Big O” notation?

I'd prefer as little formal definition as possible and simple mathematics. 41 Answers ...
https://stackoverflow.com/ques... 

JavaScript closures vs. anonymous functions

A friend of mine and I are currently discussing what is a closure in JS and what isn't. We just want to make sure we really understand it correctly. ...
https://stackoverflow.com/ques... 

How to convert a column number (e.g. 127) into an Excel column (e.g. AA)

How do you convert a numerical number to an Excel column name in C# without using automation getting the value directly from Excel. ...
https://stackoverflow.com/ques... 

Append value to empty vector in R?

I'm trying to learn R and I can't figure out how to append to a list. 8 Answers 8 ...