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Python initializing a list of lists [duplicate]
I intend to initialize a list of list with length of n.
1 Answer
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C++在堆上申请二维数组 - C/C++ - 清泛网 - 专注C/C++及内核技术
C++在堆上申请二维数组假设要申请的是double型大小m*n数组有如下方法方法一：优点：申请的空间是连续的 缺点：较难理解double (*d)[n] = new double[m][n]复...假设要申请的是double型大小m*n数组
有如下方法
方法一：优点：申请的空...
c++ 经典的快速排序QuickSort完整代码片 - 开源 & Github - 清泛网 - 专注C/C++及内核技术
...写法，来自Github，原文有个bug，本文已修正代码如下： include <iostream>void printArray(int *array, int n){ for (int i = 0 c++快速排序算法实现，经典的一种写法，来自Github，原文有个bug，本文已修正代码如下：
#include <iostream>
void prin...
Can I use a binary literal in C or C++?
I need to work with a binary number.
19 Answers
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How to format numbers by prepending 0 to single-digit numbers?
I want to format a number to have two digits. The problem is caused when 0 – 9 is passed, so I need it to be formatted to 00 – 09 .
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How to use glOrtho() in OpenGL?
I can't understand the usage of glOrtho . Can someone explain what it is used for?
3 Answers
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Parse usable Street Address, City, State, Zip from a string [closed]
Problem: I have an address field from an Access database which has been converted to Sql Server 2005. This field has everything all in one field. I need to parse out the individual sections of the address into their appropriate fields in a normalized table. I need to do this for approximately 4,000 ...
Bash function to find newest file matching pattern
In Bash, I would like to create a function that returns the filename of the newest file that matches a certain pattern. For example, I have a directory of files like:
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'echo' without newline in a shell script
I have a problem with echo in my script:
9 Answers
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Why is inserting in the middle of a linked list O(1)?
According to the Wikipedia article on linked lists , inserting in the middle of a linked list is considered O(1). I would think it would be O(n). Wouldn't you need to locate the node which could be near the end of the list?
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