大约有 9,000 项符合查询结果（耗时：0.0478秒） [XML]
What's the difference between lapply and do.call?
I'm learning R recently and confused by two function: lapply and do.call . It seems that they're just similar to map function in Lisp. But why are there two functions with such a different name? Why doesn't R just use a function called map ?
...
How do I parse a URL into hostname and path in javascript?
I would like to take a string
21 Answers
21
...
Create list of single item repeated N times
I want to create a series of lists, all of varying lengths. Each list will contain the same element e , repeated n times (where n = length of the list).
...
How can I quickly sum all numbers in a file?
I have a file which contains several thousand numbers, each on it's own line:
33 Answers
...
Win32汇编--使用MASM - C/C++ - 清泛网 - 专注C/C++及内核技术
...的语言，总是有基本的源程序结构规范。下面以经典的Hello World程序为例，展示一个C语言、DOS汇编...使用MASM
Win32汇编源程序的结构
任何种类的语言，总是有基本的源程序结构规范。
下面以经典的Hello World程序为例，展示一...
Match whitespace but not newlines
I sometimes want to match whitespace but not newline.
6 Answers
6
...
内存管理内幕：动态分配的选择、折衷和实现 - C/C++ - 清泛网 - 专注C/C++及内核技术
内存管理内幕：动态分配的选择、折衷和实现linux-l-memory本文将对 Linux™ 程序员可以使用的内存管理技术进行概述，虽然关注的重点是 C 语言，但同样也适用于其他语言。文中将为您提供如何管理内存的细节，然后将进一步展示...
What is the pythonic way to detect the last element in a 'for' loop?
I'd like to know the best way (more compact and "pythonic" way) to do a special treatment for the last element in a for loop. There is a piece of code that should be called only between elements, being suppressed in the last one.
...
How do I merge a list of dicts into a single dict?
How can I turn a list of dicts like this
10 Answers
10
...
Differences between action and actionListener
What is the difference between action and actionListener , and when should I use action versus actionListener ?
4 Ans...