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汇编语言超浓缩教程（汇编入门必备） - C/C++ - 清泛网 - 专注C/C++及内核技术
...述目标，谈何容易，所以本人整理了这篇超浓缩（用WINZIP、WINRAR…依次压迫，嘿嘿！）教程。大言不惭的说，看通本文，你完全可以“不经意”间在前辈或是后生卖弄一下DEBUG，很有成就感的，试试看！那么――这个接下来呢？...
HTTP Basic Authentication credentials passed in URL and encryption
...
Yes, yes yes.
The entire communication (save for the DNS lookup if the IP for the hostname isn't already cached) is encrypted when SSL is in use.
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How do you discover model attributes in Rails?
... current_sign_in_at: datetime, last_sign_in_at: datetime,
current_sign_in_ip: string, last_sign_in_ip: string, created_at: datetime,
updated_at: datetime)"
Alternatively, having run rake db:create and rake db:migrate for your development environment, the file db/schema.rb will contain the author...
搭建高可用mongodb集群（三）—— 深入副本集内部机制 - 大数据 & AI - 清...
...间会比较长。而keep复制指初始化同步过后，节点之间的实时同步一般是增量同步。初始化同步不只是在第一次才会被处罚，有以下两种情况会触发：
secondary第一次加入，这个是肯定的。
secondary落后的数据量超过了oplog的大小...
VideoRecorder 拓展：前台预览录制 + 后台无预览录制，支持分辨率、码率设...
...r — 前台模式（带预览）
在布局中显示摄像头实时画面，录制视频。
参考代码块：
BackgroundVideoRecorder — 后台模式（无预览）
无预览画面，应用最小化后录制继续。适合后台监控、静默录制等...
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 ...
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...
Memcached下一站：HandlerSocket！ - 更多技术 - 清泛网 - 专注C/C++及内核技术
...线程了：
mysql> SHOW PROCESSLIST;
也可以通过查询刚配置的端口是否已经被MySQL占用来确认是否安装成功：
shell> lsof -i :9998
shell> lsof -i :9999
完活儿！现在你的MySQL已经具备NoSQL的能力了！
实战
首先创建一个测试用的表：
CREA...
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 ...
推荐系统算法初探 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...权重如下：
基于模型的算法由于快速、准确，适用于实时性比较高的业务如新闻、广告等，而若是需要这种算法达到更好的效果，则需要人工干预反复的进行属性的组合和筛选，也就是常说的Feature Engineering。而由于新闻的时...