大约有 40,000 项符合查询结果(耗时:0.0577秒) [XML]
How to pick just one item from a generator?
...ption if necessary, or use the default argument to next():
next(g, default_value)
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CListCtrl 行高设置,自定义行高 - C/C++ - 清泛网 - 专注C/C++及内核技术
...ListCtrl
{
public:
CMyListCtrl(void);
~CMyListCtrl(void);
DECLARE_MESSAGE_MAP()
virtual void MeasureItem(LPMEASUREITEMSTRUCT lpMeasureItemStruct);
virtual void OnMeasureItem(int nIDCtl, LPMEASUREITEMSTRUCT lpMeasureItemStruct);
virtual void DrawItem(LPDRAWITEMSTRUCT lpMeasureItemS...
Coding Practices which enable the compiler/optimizer to make a faster program
...ovide an example of loop unrolling
Before:
unsigned int sum = 0;
for (size_t i; i < BYTES_TO_CHECKSUM; ++i)
{
sum += *buffer++;
}
After unrolling:
unsigned int sum = 0;
size_t i = 0;
**const size_t STATEMENTS_PER_LOOP = 8;**
for (i = 0; i < BYTES_TO_CHECKSUM; **i = i / STATEMENTS_PER_L...
How can I implement a tree in Python?
...s easy to create. For example, a binary tree might be:
class Tree:
def __init__(self):
self.left = None
self.right = None
self.data = None
You can use it like this:
root = Tree()
root.data = "root"
root.left = Tree()
root.left.data = "left"
root.right = Tree()
root.right...
Mongoose populate after save
...l's populate function to do this: http://mongoosejs.com/docs/api.html#model_Model.populate In the save handler for book, instead of:
book._creator = user;
you'd do something like:
Book.populate(book, {path:"_creator"}, function(err, book) { ... });
Probably too late an answer to help you, but...
std::find,std::find_if使用小结 - C/C++ - 清泛网 - 专注C/C++及内核技术
std::find,std::find_if使用小结STL的find,find_if函数提供了一种对数组、STL容器进行查找的方法。使用该函数,需 #include <algorithm>我们查找一个list中的数据,通常...STL的find,find_if函数提供了一种对数组、STL容器进行查找的方法。使...
C++ SpinLock 自旋锁的代码实现(全网最简略的方式) - C/C++ - 清泛网 - ...
C++ SpinLock 自旋锁的代码实现(全网最简略的方式)cpp_spinlock1、最简单的一种,来自《C++并发编程实战》第5章 C++内存模型和原子类型操作: include <iostream> include <atomic> include <thread> include <vector> include <unistd h 1、最简单的一种,...
How to replace captured groups only?
...ding and following text:
str.replace(/(.*name="\w+)(\d+)(\w+".*)/, "$1!NEW_ID!$3")
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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!
...
get and set in TypeScript
...etter/setter syntax that is like ActionScript3.
class foo {
private _bar: boolean = false;
get bar(): boolean {
return this._bar;
}
set bar(value: boolean) {
this._bar = value;
}
}
That will produce this JavaScript, using the ECMAScript 5 Object.definePropert...