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tcp加速技术解决方案 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
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Intel Ethernet Flow Director
RSS解决了cpu的单核心负载高的问题，把不同的数据流分发到不同的cpu上， 但是有可能应用程序并不在该cpu上。
因此Flow Director就是因此而来，它有两种模式：EP（Externally Programed）模式和ATR （automated Appl...
difference between variables inside and outside of __init__()
Is there any difference at all between these classes besides the name?
10 Answers
10
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Get JSON object from URL
...//paragonie.com/blog/2017/10/certainty-automated-cacert-pem-management-for-php-software
// in most cases, you should set it to true
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_URL, 'url_here');
$result = curl_exec($ch);
cu...
One-liner to recursively list directories in Ruby?
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Dir.glob("**/*/") # for directories
Dir.glob("**/*") # for all files
Instead of Dir.glob(foo) you can also write Dir[foo] (however Dir.glob can also take a block, in which case it will yield each path instead of creating an array).
Ruby Glob Docs
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实现一个简单的服务端推方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...时性较差。虽然可以通过加快轮询频率的方式来缓解这个问题，但相应付出的代价也不小：一来会使负载居高不下，二来也会让带宽捉襟见肘。
再来说说Long Polling，如果使用传统的LAMP技术去实现的话，大致如下所示：
Long Pol...
msvcr110d.dll!_CrtIsValidHeapPointer(const void * pUserData) 行 2036 ...
...分配的堆。这样就不会存在多个释放过程，也就不会出现问题了。
可能原因2：delete释放了常字符串。如 char *p = "abc"; delete p;
可能原因3：
CString m_strTest;
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GetPrivateProfileString(INI_SECTION, "test", "", m_strTest.GetBuffer(), MAX_PATH...
PHP Multidimensional Array Searching (Find key by specific value)
...e are other threads about searching multidimensional arrays, but I'm not really understanding enough to apply to my situation. Thanks very much for any help!
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“互联网卖菜”没那么简单 创业者不要盲目跟风 - 资讯 - 清泛网 - 专注C/C+...
...自提的鲜果说，还是送菜上门的七天买菜网，都因为价格问题导致的盈利困境而歇业，价格是上门送菜的最大障碍，要么狂砸补贴，要么把量做大，维持开支，没有别的路。笔者接触过一些做上门送菜的创业者，往往会问第一个...
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
...，所以我们不得不先了解一下CPU和内存：（关于数的进制问题在此不提）
ＣＰＵ是可以执行电脑所有算术╱逻辑运算与基本 I/O 控制功能的一块芯片。一种汇编语言只能用于特定的CPU。也就是说，不同的CPU其汇编语言的指...
What is the “right” way to iterate through an array in Ruby?
PHP, for all its warts, is pretty good on this count. There's no difference between an array and a hash (maybe I'm naive, but this seems obviously right to me), and to iterate through either you just do
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