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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...
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 ...
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...
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...
Build.scala, % and %% symbols meaning
...s without the %%:
val appDependencies = Seq(
"org.scala-tools" % "scala-stm_2.9.1" % "0.3"
)
Assuming the scalaVersion for your build is 2.9.1, the following is identical:
val appDependencies = Seq(
"org.scala-tools" %% "scala-stm" % "0.3"
)
As you can see above, if you use %%, you do...
Extracting text from HTML file using Python
...bs4 import BeautifulSoup
url = "http://news.bbc.co.uk/2/hi/health/2284783.stm"
html = urlopen(url).read()
soup = BeautifulSoup(html, features="html.parser")
# kill all script and style elements
for script in soup(["script", "style"]):
script.extract() # rip it out
# get text
text = soup.ge...
Where are static variables stored in C and C++?
... consist of initialized variables and constants. On a microcontroller (ex: STM32), Initialized variables are stored by default in Flash memory and copied to RAM at startup, and initialized constants are left in, and intended to be read from, Flash only, along with the text, which contains the progra...