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微软研究院李世鹏加盟硬蛋 任职硬蛋CTO - 资讯 - 清泛网 - 专注C/C++及内核技术
...息，微软亚洲研究院的李世鹏博士，辞职创业，任职科通芯城及旗下硬蛋科技的首席技术官(CTO)。并且李世鹏博士作为微软亚洲研究院创始团队的元老，也是最后一位离开的科学家。11月4日消息，微软亚洲研究院的李世鹏博士，...
How to find out what type of a Mat object is with Mat::type() in OpenCV
...e CV_16S: r = "16S"; break;
case CV_32S: r = "32S"; break;
case CV_32F: r = "32F"; break;
case CV_64F: r = "64F"; break;
default: r = "User"; break;
}
r += "C";
r += (chans+'0');
return r;
}
If M is a var of type Mat you can call it like so:
string ty = type2str( M....
Get current batchfile directory
...
Look, I do not need to run stm.sql in D:\Dir1\Dir2\stm.sql. I need mysql.exe -u root -p mysql < %cd%\stm.sql to execute that stm.sql commands.
– Hamed Kamrava
Jun 12 '13 at 11:32
...
Cleanest way to build an SQL string in Java
...consider using query parameters in prepared statements:
PreparedStatement stm = c.prepareStatement("UPDATE user_table SET name=? WHERE id=?");
stm.setString(1, "the name");
stm.setInt(2, 345);
stm.executeUpdate();
The other thing that can be done is to keep all queries in properties file. For exa...
Which is better, number(x) or parseFloat(x)?
... holds for false
isNaN(parseFloat("")) === true // and null
isNaN(Number("32f")) === true
parseFloat("32f") === 32
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Lock-free multi-threading is for real threading experts
...as @Eric mentioned, Joe Duffy is a definitive read on the subject.
A good STM can get as close to fine-grained locking as it gets and will probably provide a performance that is close to or on par with a hand-made implementation.
One of them is STM.NET from the DevLabs projects of MS.
If you are n...
Java to Clojure rewrite
...bly going to be your default choice - they allow you to implement "normal" STM transactional behaviour by wrapping any code in a (dosync ...) block.
Select the right overall web framework - Clojure has quite a few already but I'd strongly recommend Ring - see this excellent video "One Ring To Bind ...
to_string is not a member of std, says g++ (mingw)
...; std::string to_string( const T& n )
{
std::ostringstream stm ;
stm << n ;
return stm.str() ;
}
}
#include <iostream>
int main()
{
std::cout << patch::to_string(1234) << '\n' << patch::to_string(1234.56) << '\n' ;
}
do ...
大佬们，串口输出的文本字符怎么不能比较，也不能转换数字类型？ - App应用...
...附上aia源码我这边试下？谢谢
串口接收到为 来自stm32 int类型，数字67james 发表于 2024-07-15 15:04
串口接收到为 来自stm32 int类型，数字67
这个aia源码中好像没有相关代码。估计也是跑不起来的。要不你自己新建一个...
What are the best use cases for Akka framework [closed]
... agents, dataflow concurrency) and with concurrency control in the form of STM.
Here are some use-cases you might consider:
Transaction processing (online
gaming, finance, statistics,
betting, social media, telecom, ...)
scale up, scale out, fault-tolerance / HA
Service backend (any industry, a...