大约有 5,100 项符合查询结果（耗时：0.0201秒） [XML]
Sound alarm when code finishes
... is the frequency in Hz and the duration is in milliseconds.
On Linux and Mac
import os
duration = 1 # seconds
freq = 440 # Hz
os.system('play -nq -t alsa synth {} sine {}'.format(duration, freq))
In order to use this example, you must install sox.
On Debian / Ubuntu / Linux Mint, run this in...
How can I use Homebrew to install both Python 2 and 3 on Mac?
...w install python3
Now, you will have both the versions installed in your machine. When you want to use version 2, use the python executable. When you want to use version 3, use the python3 executable.
share
|
...
How can I eliminate slow resolving/loading of localhost/virtualhost (a 2-3 second lag) on Mac OS X L
Since setting up my development environments on Mac OS X Lion (brand new macbook air purchased in January 2012), I have noticed that resolving to a virtual host is very slow (around 3 seconds) the first time but after that is fast as long as I continue loading it regularly.
...
Will docker container auto sync time with the host machine?
...riodically sync the time or the container will sync the time from its host machine?
6 Answers
...
Using ls to list directories and their total sizes
...space goes, du -sch * .[!.]* | sort -rh is great (show a sorted output) On mac do: brew install coreutils and then du -sch * .[!.]* | gsort -rh
– Guig
Mar 31 '16 at 17:56
...
[精华] VC中BSTR、Char和CString类型的转换 - C/C++ - 清泛网 - 专注C/C++及内核技术
...这两个类时仍然需要特别注意，否则也会导致不可预知的错误。
举例如下：
1．标准用法：
BSTR str = SysAllocString(L"aaa");
…(可以使用此BSTR变量的范围)
SysFreeString(str);
str = NULL;
需要注意的是当SysFreeString被调用后，最好将此BS...
快速理解 高频对冲套利自动交易（程式化交易） - 更多技术 - 清泛网 - 专注...
...乱，每一单，都有6个参数需要填写确认，任何一个参数错误，都有可能不成交或成交错误，有损失，这方面，我交了不少学费，如今，每天早上那1分钟时间里，只花费我5秒钟左右时间，就将3个账户，每个账户都有15个左右不同...
Xcode 4 - “Valid signing identity not found” error on provisioning profiles on a new Macintosh insta
I had a Macintosh I used to develop iPhone apps with using XCode 4.
I now have a new Macintosh with a new install of... everything.
...
Detect iPad users using jQuery?
...s from iOS devices:
# iOS Safari
iPad: Mozilla/5.0 (iPad; CPU OS 5_1 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9B176 Safari/7534.48.3
iPhone: Mozilla/5.0 (iPhone; CPU iPhone OS 5_0 like Mac OS X) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9A334 Safari/7...
Copy all the lines to clipboard
...that case). If it wasn't, Brian's solution (:%w !pbcopy) is a solution for Mac. Alternatives are available for other operating systems (e.g. xclip).
– yaccob
Oct 27 '16 at 9:10
...