大约有 40,000 项符合查询结果(耗时:0.0359秒) [XML]

https://stackoverflow.com/ques... 

How do I save and restore multiple variables in python?

...icense" for more information. >>> from klepto.archives import file_archive >>> db = file_archive('foo.txt') >>> db['1'] = 1 >>> db['max'] = max >>> squared = lambda x: x**2 >>> db['squared'] = squared >>> def add(x,y): ... return x+y ....
https://stackoverflow.com/ques... 

Sorting Python list based on the length of the string

... def lensort(list_1): list_2=[];list_3=[] for i in list_1: list_2.append([i,len(i)]) list_2.sort(key = lambda x : x[1]) for i in list_2: list_3.append(i[0]) return list_3 This works for me! ...
https://stackoverflow.com/ques... 

List of Big-O for PHP functions

After using PHP for a while now, I've noticed that not all built-in PHP functions are as fast as expected. Consider these two possible implementations of a function that finds if a number is prime using a cached array of primes. ...
https://stackoverflow.com/ques... 

How to slice an array in Bash

... There is also a convenient shortcut to get all elements of the array starting with specified index. For example "${A[@]:1}" would be the "tail" of the array, that is the array without its first element. version=4.7.1 A=( ${version//\./ } ) echo "${A[@]}" # 4 7 1 B...
https://stackoverflow.com/ques... 

Perl build, unit testing, code coverage: A complete working example

... It took me a while and it also took me taking small snippets from a number of different sources and melting them together, but I think I have a small working example that sufficiently demonstrates to a Perl newbie the Perl build process including unit testing and code cove...
https://stackoverflow.com/ques... 

How can I use a local image as the base image with a dockerfile?

...ockerfile. I just realised that I've been using FROM with indexed images all along. 4 Answers ...
https://stackoverflow.com/ques... 

Moq: Invalid setup on a non-overridable member: x => x.GetByTitle(“asdf”)

... because the call to GetArticleDAO from the factory returns ArticleDAO not IArticleDAO, b/c articleDAO also binds to an abstract class that has nhibernate stuff in it. – mrblah Dec 25 '09 at 21:57 ...
https://stackoverflow.com/ques... 

Why would finding a type's initializer throw a NullReferenceException?

....cs: (196c.1874): Access violation - code c0000005 (first chance) mscorlib_ni!System.RuntimeType.GetConstructorImpl(System.Reflection.BindingFlags, System.Reflection.Binder, System.Reflection.CallingConventions, System.Type[], System.Reflection.ParameterModifier[])+0xa3: 000007fe`e5735403 488b4608 ...
https://stackoverflow.com/ques... 

Evenly distributing n points on a sphere

...ating an array N points and node[k] is the kth (from 0 to N-1). If that is all that is confusing you, hopefully you can use that now. (in other words, k is an array of size N that is defined before the code fragment starts, and which contains a list of the points). Alternatively, building on the o...
https://stackoverflow.com/ques... 

Range references instead values

...{ field string } func main() { var array [10]MyType for idx, _ := range array { array[idx].field = "foo" } for _, e := range array { fmt.Println(e.field) fmt.Println("--") } } ...