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Fastest hash for non-cryptographic uses?
...CRC32 uses an unsigned 32-bit integer type, which is exactly all that MD5 needs...
– Thomas Pornin
Sep 10 '10 at 14:06
3
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std::vector performance regression when enabling C++11
...26%]
0.035953916 seconds time elapsed
As for the reasons, one needs to look at the generated assembly code (g++ -std=c++11 -O3 -S regr.cpp). In C++11 mode the generated code is significantly more cluttered than for C++98 mode and inlining the function
void std::vector<Item,std::alloca...
tcp端口状态ESTABLISHED、TIME_WAIT、CLOSE_WAIT 、SYN_RECV等详解 - C/C++...
...E_WAIT这个状态主要有两个原因：
1。防止上一次连接中的包，迷路后重新出现，影响新连接（经过2MSL，上一次连接中所有的重复包都会消失）
2。可靠的关闭TCP连接。在主动关闭方发送的最后一个 ack(fin) ，有可能丢失，这时被...
How do you validate a URL with a regular expression in Python?
...ilding an app on Google App Engine. I'm incredibly new to Python and have been beating my head against the following problem for the past 3 days.
...
Eclipse, where to change the current debug line background?
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Ok, now I found it myself (through major reverse engineering). It is in General\Editors\Text Editors\Annotations page. It's called "Debug Current Instruction Pointer"
share
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im...
Unsure if I understand TransactionAwarePersistenceManagerFactoryProxy
...enceManagerFactoryUtils.getPersistenceManager would be more suited to my needs? Can getObject return null?
1 Answer
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VS Addin插件基本开发入门 - C/C++ - 清泛网 - 专注C/C++及内核技术
...tup)
{
const string TOOLWINDOW_GUID = "{6CCD0EE9-20DB-4636-9149-665A958D8A9A}";
object myUserControlObject = null;
EnvDTE80.Windows2 windows2 = (EnvDTE80.Windows2)_applicationObject.Windows;
string assembly = System.R...
同志们，学好FPGA，去做高频交易开发，还是有希望的 - 更多技术 - 清泛网 -...
...的招聘网站，你会发现许许多多quant developer，network engineer，linux system engineer的opening，尤其是一些从事高频交易的基金，对IT人才需求多，要求高，待遇丰厚。例如，Citadel的高频交易主管Misha成立自己的基金Teza时从高盛挖了一个...
javax.faces.application.ViewExpiredException: View could not be restored
...redirect user to for example index.xhtml or login.xhtml and save him from seeing that error page/message?
10 Answers
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Web API 最佳入门指南 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...cts/id Delete a contact DELETE /api/contacts/id
准备工作
1. 下载并安装Mongo DB，步骤看这里。
2. Mongo DB C# driver下载可以在nuget搜索mongocsharpdriver。
3. 如果想本地察看数据库中内容，下载MongoVUE。
4. Knockoutjs下载可以在nuget搜索knockoutjs。
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