sorting

问题 I am using a lambda to modify the behaviour of sort. sorted(list, key=lambda item:(item.lower(),len(item))) Sorting a list containing the elements A1,A2,A3,A,B1,B2,B3,B , the result is A,A1,A2,A3,B,B1,B2,B3 . My expected sorted list would be A1,A2,A3,A,B1,B2,B3,B . I've already tried to include the len(item) for sorting, which didn't work. How to modify the lambda so that the sort result is instead? 回答1: Here is one way to do it: >>> import functools >>> def cmp(s, t): 'Alter lexicographic

问题 In this code, for vector size, n >=32767, it gives segmentation fault, but upto 32766, it runs fine. What could be the error? This is full code. #include<cstdio> #include<cstring> #include<cmath> #include<queue> #include<utility> #include<algorithm> #include<sys/time.h> using namespace std; #define MAX 100000 bool compare(pair<int,int> p1,pair<int,int> p2) { if(p1.second < p2.second) return 1; else if(p1.second > p2.second) return 0; if(p1.first <= p2.first) return 1; else return 0; } int

问题 In this code, for vector size, n >=32767, it gives segmentation fault, but upto 32766, it runs fine. What could be the error? This is full code. #include<cstdio> #include<cstring> #include<cmath> #include<queue> #include<utility> #include<algorithm> #include<sys/time.h> using namespace std; #define MAX 100000 bool compare(pair<int,int> p1,pair<int,int> p2) { if(p1.second < p2.second) return 1; else if(p1.second > p2.second) return 0; if(p1.first <= p2.first) return 1; else return 0; } int

问题 I have a content directory to be returned in descending natural order. I'm using scandir() and natsort() , but the addition of array_reverse() yields no results. I've been researching using a combination of opendir() and readdir() as well what ever else to affect this outcome. The items to be sorted are numbered image files. They are to be returned as: 10 9 8 7 and so on, but like from like 1000 999 998 997 ... until 0 Here's my current code: $dir = 'dead_dir/dead_content/'; $launcher =

问题 I have a content directory to be returned in descending natural order. I'm using scandir() and natsort() , but the addition of array_reverse() yields no results. I've been researching using a combination of opendir() and readdir() as well what ever else to affect this outcome. The items to be sorted are numbered image files. They are to be returned as: 10 9 8 7 and so on, but like from like 1000 999 998 997 ... until 0 Here's my current code: $dir = 'dead_dir/dead_content/'; $launcher =

问题 I have a content directory to be returned in descending natural order. I'm using scandir() and natsort() , but the addition of array_reverse() yields no results. I've been researching using a combination of opendir() and readdir() as well what ever else to affect this outcome. The items to be sorted are numbered image files. They are to be returned as: 10 9 8 7 and so on, but like from like 1000 999 998 997 ... until 0 Here's my current code: $dir = 'dead_dir/dead_content/'; $launcher =

问题 I have a content directory to be returned in descending natural order. I'm using scandir() and natsort() , but the addition of array_reverse() yields no results. I've been researching using a combination of opendir() and readdir() as well what ever else to affect this outcome. The items to be sorted are numbered image files. They are to be returned as: 10 9 8 7 and so on, but like from like 1000 999 998 997 ... until 0 Here's my current code: $dir = 'dead_dir/dead_content/'; $launcher =

问题 I have a content directory to be returned in descending natural order. I'm using scandir() and natsort() , but the addition of array_reverse() yields no results. I've been researching using a combination of opendir() and readdir() as well what ever else to affect this outcome. The items to be sorted are numbered image files. They are to be returned as: 10 9 8 7 and so on, but like from like 1000 999 998 997 ... until 0 Here's my current code: $dir = 'dead_dir/dead_content/'; $launcher =

问题 I have gone through many questions and Google results but couldn't find the solution. I am trying to sort a table using table.sort function in Lua but I can't figure out how to use it. I have a table that has keys as random numeric values. I want to sort them in ascending order. I have gone through the Lua wiki page also but table.sort only works with the table values. t = { [223]="asd", [23]="fgh", [543]="hjk", [7]="qwe" } I want it like: t = { [7]="qwe", [23]="fgh", [223]="asd", [543]="hjk"

问题 I have gone through many questions and Google results but couldn't find the solution. I am trying to sort a table using table.sort function in Lua but I can't figure out how to use it. I have a table that has keys as random numeric values. I want to sort them in ascending order. I have gone through the Lua wiki page also but table.sort only works with the table values. t = { [223]="asd", [23]="fgh", [543]="hjk", [7]="qwe" } I want it like: t = { [7]="qwe", [23]="fgh", [223]="asd", [543]="hjk"