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C++常用排序算法汇总 - C/C++ - 清泛网 - 专注C/C++及内核技术
.....end]也成为最大堆
注：由于数组从0开始计算序号，也就是二叉堆的根节点序号为0，
因此序号为i的左右子节点的序号分别为2i+1和2i+2
*/
void HeapAdjustDown(int *arr,int start,int end)
{
int temp = arr[start]; //保存当前节点
int i = 2*start+1;...
What are the barriers to understanding pointers and what can be done to overcome them? [closed]
...learn the high-level concept of pointers, then you should ignore the parts labelled "Memory layout" in the explanation below. They are intended to give examples of what memory could look like after operations, but they are more low-level in nature. However, in order to accurately explain how buffer ...
Difference between save and saveAndFlush in Spring data jpa
...ed but not yet committed by other transactions.
– Gab是好人
Jan 31 '17 at 9:46
1
...
Google Maps Android API v2 - Interactive InfoWindow (like in original android google maps)
...if you perform some permanent change in your InfoWindow (like changing the label of your button to something else), this is good enough.
But showing a button pressed state or something of that nature is more complicated. The first problem is, that (at least) I wasn't able to make the InfoWindow s...
What are the benefits of Java's types erasure?
...but the topic is the benefit of a specific characteristic of Java Generics labeled "type erasure", which only superficially resembles the concept you describe, failing completely at providing the interesting invariants and introducing unreasonable constraints.
– Marko Topolnik
...
DaffyMenu 扩展：弹出菜单扩展，为组件添加弹出式菜单功能 · App Inventor 2 中文网
...
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DaffyMenu 扩展
DaffyMenu 是一个免费的非可视扩展，用于创建弹出式菜单。该扩展为组件添加了弹出式菜单功能，支持多种菜单选项和自定义配置。
包名：com.gordonlu.daffymenu
版本：1
发布日期：2...
to drawRect or not to drawRect (when should one use drawRect/Core Graphics vs subviews/images and wh
... but stays the same for the duration of the application's lifetime (e.g. a label containing the user name) it may actually make sense to just draw the whole thing once using Quartz, with the text, the button border etc., as part of the background. But that's usually an optimization that's not needed...
Regular expression to match URLs in Java
... "|[1-9][0-9]|[0-9]))");
/**
* RFC 1035 Section 2.3.4 limits the labels to a maximum 63 octets.
*/
private static final String IRI
= "[" + GOOD_IRI_CHAR + "]([" + GOOD_IRI_CHAR + "\\-]{0,61}[" + GOOD_IRI_CHAR + "]){0,1}";
private static final String GOOD_GTLD_CHAR =
...
Understanding how recursive functions work
...rder than more common programming paradigms, I will not offence anybody by labelling these “exotic” and a little white lie like “it always happens on the stack” should help the OP to understand the concept. (And a kind of stack is always involved.)
– Michael Le Barbier ...
Can someone explain mappedBy in JPA and Hibernate?
...ch is the name of the field in the other table.
– Gab是好人
Dec 5 '16 at 14:12
2
Maybe hiberna...