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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
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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.
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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
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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
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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.
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windbg 备忘 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...index：kd，内核转储；lkd，本地内核
|| (index) s 切换当前系统
| (index) s 切换进程
~ (index) s 切换线程
~ (index) k 栈回溯，不指定index操作当前线程
~ (index) r 寄存器，不指定index操作当前线程
注释：$$ xxx; 之间被注释
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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
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Allow Google Chrome to use XMLHttpRequest to load a URL from a local file
...-disable-web-security
On Windows:
chrome.exe --disable-web-security
On Mac:
open /Applications/Google\ Chrome.app/ --args --disable-web-security
This will allow for cross-domain requests.
I'm not aware of if this also works for local files, but let us know !
And mention, this does exactly wh...