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初窥InnoDB的Memcached插件 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...整性，我们选择从源代码安装MySQL，需要注意的是早期的版本有内存泄漏，所以推荐安装最新的稳定版，激活WITH_INNODB_MEMCACHED即可：
shell> groupadd mysql
shell> useradd -r -g mysql mysql
shell> tar zxvf mysql-<VERSION>.tar.gz
shell> cd mysql-5.6.13
sh...
What do all of Scala's symbolic operators mean?
... any text that properly describe the language, such as Scala Specification(PDF) itself.
The last one, the underscore, deserve a special description, because it is so widely used, and has so many different meanings. Here's a sample:
import scala._ // Wild card -- all of Scala is imported
import ...
What is a “thread” (really)?
...us_multithreading
http://www.intel.com/intelpress/samples/mcp_samplech01.pdf
Is ASCII code 7-bit or 8-bit?
...mizdat copy at http://falsedoor.com/doc/ascii_evolution-of-character-codes.pdf) and then chase its references (many of which are not available online and may be hard to find even with access to a university library, I regret to say).
...
What is the logic behind the “using” keyword in C++?
...related to templates. Warning: there may be typos due to copying over from PDF.
First let’s consider a toy example:
template <typename T>
class MyAlloc {/*...*/};
template <typename T, class A>
class MyVector {/*...*/};
template <typename T>
struct Vec {
typedef MyVector<T...
What are Runtime.getRuntime().totalMemory() and freeMemory()?
.../www.oracle.com/technetwork/java/javase/memorymanagement-whitepaper-150215.pdf">
* Memory Management in the Sun Java HotSpot™ Virtual Machine</a>
* @see <a href="http://docs.oracle.com/javase/8/docs/technotes/tools/windows/java.html">
* Full VM options reference for Windo...
What is the http-header “X-XSS-Protection”?
...understood-x-xss-protection/
http://p42.us/ie8xss/Abusing_IE8s_XSS_Filters.pdf
https://www.slideshare.net/masatokinugawa/xxn-en
https://bugs.chromium.org/p/chromium/issues/detail?id=396544
https://bugs.chromium.org/p/chromium/issues/detail?id=498982
...
What is the difference between ELF files and bin files?
...e
http://infocenter.arm.com/help/topic/com.arm.doc.ihi0044d/IHI0044D_aaelf.pdf
ELF from wiki
http://en.wikipedia.org/wiki/Executable_and_Linkable_Format
ELF format is generally the default output of compiling.
if you use GNU tool chains, you can translate it to binary format by using objcopy, suc...
服务器保持大量TIME_WAIT和CLOSE_WAIT的解决方法 - C/C++ - 清泛网 - 专注C/C++及内核技术
...时间，但是有这么多状态要维护总是不好。
HTTP协议1.1版规定default行为是Keep-Alive，也就是会重用TCP连接传输多个 request/response，一个主要原因就是发现了这个问题。
也就是说HTTP的交互跟上面画的那个图是不一样的，关闭连...
How can I generate a diff for a single file between two branches in github
...Chrome browsers: https://chrome.google.com/webstore/detail/diff-tools-text-pdf-doc-o/lkcdojpmjehlniamnglpjlldkoonlomb
Open Diff Tools ( http://iblogbox.com/devtools/diff/ )
From GitHub go to the BEFORE commit, tag, or branch, open the file, then click on the Raw button to get the raw file view, se...