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Visul C++中CList用法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...和构造方法
CList的声明如下：
template< class TYPE, class ARG_TYPE >class CList : public CObject
由此，我们知道CList是一个模版类，那么他的两个class是什么意思呢？
下面看一个例子：
CList<CString ,CString&> list;//链表对象1
CList<CString,CString> l...
passing xxx as \'this\' argument of xxx discards qualifiers - C/C++ - 清泛网 - 专注C/C++及内核技术
...ntT {
public:
int id;
string name;
public:
StudentT(int _id, string _name) : id(_id), name(_name) {
}
int getId() { // 应该声明为const成员
return id;
}
string getName() { // 应该声明为const成员
return name;
}
};
inli...
OnMouseMove nFlags的作用 - C/C++ - 清泛网 - 专注C/C++及内核技术
OnMouseMove nFlags的作用afx_msgvoidOnMouseMove(UINTnFlags,CPointpoint);当鼠标移动时调用此函数 。参数：nFlags指示各种虚拟按键是否按下 ，此参数可以是任何...afx_msgvoidOnMouseMove( UINT nFlags, CPoint point ); 当鼠标移动时调用此函数 。
参数：
...
PHP 错误记录和聚合的平台Sentry实战 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...会丢失旧日志中的数据，而 logtail2 不会。
<?php
require_once __DIR__ . '/raven-php/lib/Raven/Autoloader.php';
Raven_Autoloader::register();
$dsn = 'http://your/dsn';
$options = array(
'tags' => array(
'php_version' => phpversion(),
),
'trace' => f...
Two-way encryption: I need to store passwords that can be retrieved
...
/**
* Constructor!
*
* @param string $cipher The MCRYPT_* cypher to use for this instance
* @param int $mode The MCRYPT_MODE_* mode to use for this instance
* @param int $rounds The number of PBKDF2 rounds to do on the key
*/
public function __construct...
WARN Could not determine content-length of response body. Set content-length of the response or set
...d of Webrick, and the warn will disappear.
– fearless_fool
Aug 3 '12 at 3:55
2
I second using thi...
LEFT JOIN only first row
...
If you can assume that artist IDs increment over time, then the MIN(artist_id) will be the earliest.
So try something like this (untested...)
SELECT *
FROM feeds f
LEFT JOIN artists a ON a.artist_id = (
SELECT
MIN(fa.artist_id) a_id
FROM feeds_artists fa
WHERE fa.feed_id = ...
Getting the SQL from a Django QuerySet [duplicate]
...et = MyModel.objects.all()
>>> print(queryset.query)
SELECT "myapp_mymodel"."id", ... FROM "myapp_mymodel"
share
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...
powershell 2.0 try catch how to access the exception
....downloadString('http://foo')
}
catch [Net.WebException] {
Write-Host $_.Exception.ToString()
}
The exception is in the $_ variable. You might explore $_ like this:
try {
$w = New-Object net.WebClient
$d = $w.downloadString('http://foo')
}
catch [Net.WebException] {
$_ | fl * -For...
What does `someObject.new` do in Java?
... dup
4: invokespecial #3; //Method "<init>":()V
7: astore_1
8: new #4; //class Test$TestInner
11: dup
12: aload_1
13: dup
14: invokevirtual #5; //Method java/lang/Object.getClass:()Ljava/lang/Class;
17: pop
18: invokespecial #6; //Method Test$Te...