slice
Improving pure Python prime sieve by recurrence formula
I am trying to optimize further the champion solution in prime number thread by taking out the complex formula for sub-list length. len() of the same subsequence is too slow as len is expensive and ge[详细]
2023-01-08 04:15 分类:问答How to "slice" a POJO
I\'m borrowing the \"slice\" meaning from C++. Let\'s say I hava a simple POJO that\'s persisted via Hibernate:[详细]
2023-01-08 03:01 分类:问答Menu Button Assistance
Based on this menu structure: menu system I want to purely use a CSS based Menu System but am unsure what is the best way to approach to get the blue gel 2D button look based on \"Home\" and \"About[详细]
2023-01-07 07:48 分类:问答Python Numpy Structured Array (recarray) assigning values into slices
The following example shows what I want to do: >>> test rec.array([(0, 0, 0), (0, 0, 0), (0, 0, 0), (0, 0, 0), (0, 0, 0), (0, 0, 0),[详细]
2023-01-04 05:49 分类:问答Perl Hash Slice, Replication x Operator, and sub params
Ok, I understand perl hash slices, and the \"x\" operator in Perl, but can someone explain the following code example from here (slightly simplified)?[详细]
2023-01-02 09:45 分类:问答how to convert a python slicing operation into java code
I have this code line: x and k are int. lm is an array lz=[f(x,lm[:j]+lm[j+1:],k) for j in range(n)] My question is:[详细]
2022-12-31 13:39 分类:问答Slicing a time range into parts
First question. Be gentle. I\'m working on software that tracks technicians\' time spent working on tasks. The software needs to be enhanced to recognize different billable rate multipliers based on[详细]
2022-12-29 19:37 分类:问答Problem with list slice syntax in python
The extended indexing syntax is mentioned in python\'s doc. slice([start], stop[, step]) Slice objects are also generated when extended indexing syntax is used. For example: a[start:stop:step] or a[详细]
2022-12-29 15:05 分类:问答Perl - How to get the number of elements in an anonymous array, for concisely trimming pathnames
I\'m trying to get a block of code down to one line.I need a way to get the number of items in a list.My code currently looks like this:[详细]
2022-12-29 13:30 分类:问答How to iterate over the first n elements of a list?
Say I\'ve got a list and I want to itera开发者_开发问答te over the first n of them.What\'s the best way to write this in Python?The normal way would be slicing:[详细]
2022-12-27 13:59 分类:问答