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What is the strict aliasing rule?
...an example that should not be surprising (live example):
int x = 10;
int *ip = &x;
std::cout << *ip << "\n";
*ip = 12;
std::cout << x << "\n";
We have a int* pointing to memory occupied by an int and this is a valid aliasing. The optimizer must assume that assignments...
Net::SMTPAuthenticationError when sending email from Rails app (on staging environment)
...ethod = :smtp
config.action_mailer.default_url_options = { :host => "my.ip.addr.here" }
config.action_mailer.smtp_settings = {
:address => "smtp.gmail.com",
:port => 587,
:domain => 'my.ip.addr.here:80',
:user_name => "my_email_name@gmail.com",
:password ...
技术人员如何创业《四》- 打造超强执行力团队 - 资讯 - 清泛网 - 专注C/C++...
...
认真思考每个人的性格和能力并根据能力安排好他们的位置和作用。这个很重要，如果把一个只会纸上谈兵的人安排在重要岗位，这种人在领导面前谈的头头是道，但是做起事来却屡屡受挫。如果他们还带领团队，那底下的员...
How to write a scalable Tcp/Ip based server
...design phase of writing a new Windows Service application that accepts TCP/IP connections for long running connections (i.e. this is not like HTTP where there are many short connections, but rather a client connects and stays connected for hours or days or even weeks).
...
What are the Ruby Gotchas a newbie should be warned about? [closed]
...
Wikipedia Ruby gotchas
From the article:
Names which begin with a capital letter are treated as constants, so local variables should begin with a lowercase letter.
The characters $ and @ do not indicate variable data type as ...
Difference between @import and link in CSS
...
The <link> directive can allow for multiple css be loaded and interpreted asyncronously.
the @import directive forces the browser* to wait until the imported script is loaded inline to the parent script before it can be correctly processed by it's engine, since t...
TCP loopback connection vs Unix Domain Socket performance
... the overhead of TCP (congestion control, flow control, stream management (IP packet ordering, retransmission, etc) ). Unix domain sockets do not do any of the above because it was designed from the ground up to be ran locally, meaning no congestion issues, no speed differences between server/client...
也来说说ReactOS的调试 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...下:
这里有两个问题:
1,在哪运行呀?如果在windows下兼容吗?
2,文件在哪呀?
答:(1)在windows下,因为我们要在windows下用fDebug和虚拟机调试,可能还会有人问兼容嘛?由于reactos设计的宗旨就是兼容windows,所以,reactos的应用程序几乎都能在w...
ADB Shell Input Events
...t; Developer Options > Check the option POINTER SLOCATION
..
Swipe X1 Y1 X2 Y2 [duration(ms)]:
adb shell input swipe 100 500 100 1450 100
in this example X1=100, Y1=500, X2=100, Y2=1450, Duration = 100ms
..
LongPress X Y:
adb shell input swipe 100 500 100 500 250
...
网站伪静态Rewrite重写中文路径时乱码 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...“http://zh.wikipedia.org/wiki/%E6%98%A5%E8%8A%82”。也就是说，IE自动将“春节”编码成了“%E6%98%A5%E8%8A%82”。
我们知道，“春”和“节”的utf-8编码分别是“E6 98 A5”和“E8 8A 82”，因此，“%E6%98%A5%E8%8A%82”就是按照顺序，在每个字节...