大约有 7,000 项符合查询结果(耗时:0.0261秒) [XML]
在MongoDB中模拟Auto Increment - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...
return $option['init'];
}
var_dump(generate_auto_increment_id('foo'));
var_dump(generate_auto_increment_id('bar', array('init' => 123)));
?>
其具体实现方式主要是利用MongoDB中findAndModify命令,只要每次往MongoDB里insert对象前生成ID赋值给_id就OK了,因...
实例演示SimpleXMLElement的用法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...axSdkVersion="2" />
<uses-permission android:name="android.permission.FOO"></uses-permission>
<uses-permission android:name="android.permission.BAR"></uses-permission>
</manifest>
BTW:APK软件中的AndroidManifest.xml文档是二进制编码的,可以用APKTool还原。
我们的...
php发送get、post请求的几种方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...file_get_contents函数,以post方式获取url
<?php
$data = array ('foo' => 'bar');
//生成url-encode后的请求字符串,将数组转换为字符串
$data = http_build_query($data);
$opts = array (
<span style="white-space:pre"> </span>'http' => array (
<span style="white-space:pre"...
Multiprocessing - Pipe vs Queue
...]) exited while multiprocessing
Traceback (most recent call last):
File "foo.py", line 19, in __init__
self.run(args)
File "foo.py", line 46, in run
KeyError: 'that'
Source Code:
"""
multi_pipe.py
"""
from multiprocessing import Process, Pipe
import time
def reader_proc(pipe):
...
How do you do a deep copy of an object in .NET? [duplicate]
...e the class declaration, add [Serializable]. so [Serializable]public class Foo { } will make Foo marked as serializable.
– Dan Atkinson
Aug 3 '11 at 22:51
18
...
Undo scaffolding in Rails
...db:rollback
You can create scaffolding using:
rails generate scaffold MyFoo
(or similar), and you can destroy/undo it using
rails destroy scaffold MyFoo
That will delete all the files created by generate, but not any additional changes you may have made manually.
...
What is the correct answer for cout
... @ChristopherSmith Where do you see a sequence point between the two c in foo(foo(bar(c)), c)? There's a sequence point when functions are called, and when they return, but there's no function call required between the evaluations of the two c.
– James Kanze
...
How to enter quotes in a Java string?
...le name. Also, your code is needlessly complex. This would do fine: String foo = quotes + "ROM" + quotes;. No need for all those extra "".
– Duncan Jones
Mar 18 '15 at 8:55
ad...
How can I declare optional function parameters in Javascript? [duplicate]
...alue of 0. If you want another default value just change that to b = b || 'foo'.
– Tigraine
Nov 4 '15 at 9:58
|
show 6 more comments
...
Why C# fails to compare two object types with each other but VB doesn't?
.... For example, string provides ==(string, string):
string x = new string("foo".ToCharArray());
string y = new string("foo".ToCharArray());
Console.WriteLine(x == y); // True
Console.WriteLine((object) x == (object) y); // False
Here the first comparison is using the overloaded operator, but the s...
