大约有 40,000 项符合查询结果（耗时：0.0802秒） [XML]
How to make the hardware beep sound in Mac OS X 10.6
...tionality you're thinking of is an artifact of very old (pre-1990s) IBM PC-compatible hardware. Before most computers had sound cards, most machines had a small speaker or piezo buzzer connected to one of the channels of a timer chip. This could be used to generate simple tones or beeps. Even after ...
.NET console application as Windows service
...d run as console application or as windows service if run for example from command line using switches.
10 Answers
...
Most underused data visualization [closed]
...start.date <- "2006-01-12"
end.date <- Sys.Date()
quote <- paste("http://ichart.finance.yahoo.com/table.csv?s=",
stock, "&a=", substr(start.date,6,7),
"&b=", substr(start.date, 9, 10),
"&c=", substr(start.date, 1,4),
...
node and Error: EMFILE, too many open files
...gonna fix your wagon if your issue is with sockets.)
From My Blog Article: http://www.blakerobertson.com/devlog/2014/1/11/how-to-determine-whats-causing-error-connect-emfile-nodejs.html
How To Isolate
This command will output the number of open handles for nodejs processes:
lsof -i -n -P | grep node...
Is System.nanoTime() completely useless?
...sclaimer: I am the developer of this library
You might like this better:
http://juliusdavies.ca/nanotime/
But it copies a DLL or Unix .so (shared object) file into the current user's home directory so that it can call JNI.
Some background information is on my site at:
http://juliusdavies.ca/pos...
“The underlying connection was closed: An unexpected error occurred on a send.” With SSL Certificate
...
|
show 1 more comment
65
...
What are the disadvantages of using persistent connection in PDO
...
In response to Charles' problem above,
From : http://www.php.net/manual/en/mysqli.quickstart.connections.php -
A common complain about persistent connections is that their state is not reset before reuse. For example, open and unfinished transactions are not automatical...
Given a number, find the next higher number which has the exact same set of digits as the original n
...identical problem appeared as a Code Jam problem and has a solution here:
http://code.google.com/codejam/contest/dashboard?c=186264#s=a&a=1
Here's a summary of the method using an example:
34722641
A. Split the sequence of digits in two, so that the right part is as long as possible while r...
App Inventor 2 中文网
... { var hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?8d287b854d737bdc880e8ddeac1b309d"; var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(hm, s);})();
App Inventor 2 列表选择器 用法示例 · App Inventor 2 中文网
...ar hm = document.createElement("script"); hm.src = "https://hm.baidu.com/hm.js?8d287b854d737bdc880e8ddeac1b309d"; var s = document.getElementsByTagName("script")[0]; s.parentNode.insertBefore(hm, s); })();
App Inventor 2 列表选择...