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XP风格按钮的实现 - C/C++ - 清泛网 - 专注C/C++及内核技术
...：1.从互联网上下载XPButton类；2.创建基于对话框的MFC工程Test,将下载的XPButton.cpp和XPButt...方法一：利用XPButton类实现
具体操作步骤如下：
1.网上下载XPButton类；请参考《【工程源码】XPButton源码-XP风格按钮》
2.创建基于对话框的...
记一次数据库表自增长（Auto Increment）故障 - 数据库(内核) - 清泛网 - ...
...不妨创建一个测试表说明问题：
CREATE TABLE IF NOT EXISTS `test` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`name` varchar(100) NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=InnoDB;
然后插入一行问题数据：
INSERT INTO test (id, name) VALUES (2147483647, 'x');
结果导...
PHP操作MongoDB时的整数问题及对策 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...);
$instance = new Mongo();
$instance = $instance->selectCollection('test', 'test');
for ($i = 0; $i < 10; $i++) {
$instance->insert(array(
'group_id' => rand(1, 5),
'count' => rand(1, 5),
));
}
?>
下面让我们使用group操作，根据group_id分组...
.reg文件删除注册表项和值 - 更多技术 - 清泛网 - 专注C/C++及内核技术
... 前放置一个连字符 (-)。例如，要从以下注册表项中删除 Test 子...要使用 .reg 文件删除注册表项，请在 .reg 文件中的 RegistryPath 前放置一个连字符 (-)。例如，要从以下注册表项中删除 Test 子项：
HKEY_LOCAL_MACHINE\Software
请在 .reg 文...
Stretch and scale CSS background
...image, rather than being evenly cropped on both sides (and centered). I've tested it in Firefox, Webkit, and Internet Explorer 8.
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What is an IndexOutOfRangeException / ArgumentOutOfRangeException and how do I fix it?
...e about custom lower bound arrays:
void foo<T>(T[] array) { }
void test() {
// This will throw InvalidCastException, cannot convert Int32[] to Int32[*]
foo((int)Array.CreateInstance(typeof(int), new int[] { 1 }, new int[] { 1 }));
}
Validate Parameters
If index comes from a paramet...
Bare asterisk in function arguments?
...t below, there are two examples, one with *args and one with **kwargs
def test_args_kwargs(arg1, arg2, arg3):
print "arg1:", arg1
print "arg2:", arg2
print "arg3:", arg3
# first with *args
>>> args = ("two", 3,5)
>>> test_args_kwargs(*args)
arg1: two
arg2: 3
arg3: 5
...
How do I write LINQ's .Skip(1000).Take(100) in pure SQL?
...ty linear with the @skip! The row_number approach does NOT have this (only tested on indexed order). For lo @Skip less about 20, the new syntax is faster than the row_number approach though.
– Eske Rahn
Jun 24 '18 at 14:23
...
Do you continue development in a branch or in the trunk? [closed]
...ild setups. That's what continuous integration is all about! You have QA test your branches not your mainline trunk.
– PositiveGuy
May 21 '10 at 14:05
|...
PHP: How to generate a random, unique, alphanumeric string for use in a secret link?
...
Perfect! I tested it with 10 chars as length. 100000 tokens and still no duplicates!
– Sharpless512
Feb 26 '14 at 8:13
...