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How do browsers pause/change Javascript when tab or window is not active?
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Can you confirm this now in late 2016?
– vsync
Sep 18 '16 at 8:19
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Python: How to get stdout after running os.system? [duplicate]
I want to get the stdout in a variable after running the os.system call.
6 Answers
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C++ Dynamic Shared Library on Linux
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How is Docker different from a virtual machine?
...ly known as libcontainer), which runs in the same operating system as its host. This allows it to share a lot of the host operating system resources. Also, it uses a layered filesystem (AuFS) and manages networking.
AuFS is a layered file system, so you can have a read only part and a write part wh...
Sound alarm when code finishes
...uency 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 your termin...
Copy file or directories recursively in Python
...yanything(src, dst):
try:
shutil.copytree(src, dst)
except OSError as exc: # python >2.5
if exc.errno == errno.ENOTDIR:
shutil.copy(src, dst)
else: raise
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Detect iPad users using jQuery?
...e (and can be spoofed). It's preferred to use actual feature-detection in most cases, which can be done through a library like Modernizr.
As pointed out in Brennen's answer, issues can arise when performing this detection within the Facebook app. Please see his answer for handling this scenario.
R...
Most pythonic way to delete a file which may not exist
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A more pythonic way would be:
try:
os.remove(filename)
except OSError:
pass
Although this takes even more lines and looks very ugly, it avoids the unnecessary call to os.path.exists() and follows the python convention of overusing exceptions.
It may be ...
Get Android Device Name [duplicate]
...t Android device name you have to add only a single line of code:
android.os.Build.MODEL;
Found here: getting-android-device-name
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How to install a specific JDK on Mac OS X?
...a on the Mac. As far as I know, Apple JDK 6 is installed by default on Mac OS X 10.6 (Snow Leopard). Maybe you need to install the developer tools from your Mac OS X installation DVD (the dev tools are an optional install from the OS DVD).
See: http://developer.apple.com/java/
NOTE This answer fro...