大约有 22,000 项符合查询结果（耗时：0.0310秒） [XML]
OceanBase使用libeasy原理源码分析：客户端 - 数据库(内核) - 清泛网 - 专...
...个session只封装一个请求
easy_request_t r;
char data[0];
};
libeasy作为客户端时，将每个发往libeasy服务器端的请求包封装成一个session(easy_session_t)，客户端将这个session放入连接的队列中然后返回，随后...
Send POST data using XMLHttpRequest
...
Is it possible to send an object in params instead of a string like in jQuery?
– Vadorequest
Sep 7 '14 at 11:27
4
...
Why do we not have a virtual constructor in C++?
...) to allocate memory
invoke Derived() with placement new.
OR
create an extra vtable entry for a function that combines dynamic allocation and construction
So - it doesn't seem insurmountable to specify and implement virtual constructors, but the million-dollar question is: how would it be bett...
What issues should be considered when overriding equals and hashCode in Java?
...pache Commons Lang library. An example:
public class Person {
private String name;
private int age;
// ...
@Override
public int hashCode() {
return new HashCodeBuilder(17, 31). // two randomly chosen prime numbers
// if deriving: appendSuper(super.hashCode()...
Why is quicksort better than mergesort?
....
QuickSort is more popular because it:
Is in-place (MergeSort requires extra memory linear to number of elements to be sorted).
Has a small hidden constant.
share
|
improve this answer
...
Absolute positioning ignoring padding of parent
...in that both elements can have their own independent padding) are:
Add an extra relatively positioned div (with no padding) around the absolutely positioned div. That new div will respect the padding of its parent, and the absolutely positioned div will then fill it.
The downside, of course, is tha...
Setting DIV width and height in JavaScript
...
The onclick attribute of a button takes a string of JavaScript, not an href like you provided. Just remove the "javascript:" part.
share
|
improve this answer
...
Insert multiple rows WITHOUT repeating the “INSERT INTO …” part of the statement?
...er 2008 (but not in SQL Server 20051):
CREATE TABLE MyTable (id int, name char(10));
INSERT INTO MyTable (id, name) VALUES (1, 'Bob'), (2, 'Peter'), (3, 'Joe');
SELECT * FROM MyTable;
id | name
---+---------
1 | Bob
2 | Peter
3 | Joe
1 When the question was answered...
How do I map lists of nested objects with Dapper
...ltiplication across locations, I use Distinct() to remove potential dups:
string query = @"SELECT c.*, l.*
FROM Course c
INNER JOIN Location l ON c.LocationId = l.Id";
using (SqlConnection conn = DB.getConnection())
{
conn.Open();
var courseDictionary = new Dictionary<Guid, Cours...
What is the difference between Cloud, Grid and Cluster? [closed]
...s to take as much hardware as possible (for example in the hope of finding extra-terrestrial intelligence).
Cluster: this is an old term referring to one OS instance or one DB instance installed across multiple machines. It was done with special OS handling, proprietary drivers, low latency network...