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Check if Python Package is installed
What's a good way to check if a package is installed while within a Python script? I know it's easy from the interpreter, but I need to do it within a script.
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Play audio with Python
...form, single function module with no dependencies for playing sounds.
Install via pip:
$ pip install playsound
Once you've installed, you can use it like this:
from playsound import playsound
playsound('/path/to/a/sound/file/you/want/to/play.mp3')
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How to change the port of Tomcat from 8080 to 80?
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1) Go to conf folder in tomcat installation directory
e.g. C:\Tomcat 6.0\conf\
2) Edit following tag in server.xml file
<Connector connectionTimeout="20000" port="8080" protocol="HTTP/1.1" redirectPort="8443"/>
3) Change the port=8080 value to por...
SVN undo delete before commit
... As per the link, use svn -R revert to undelete the whole directory with all contents, which is probably what you want. svn revert without the -R just restores the directory, not the contents.
– n13
Aug 1 '13 at 3:22
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iTerm 2: How to set keyboard shortcuts to jump to beginning/end of line?
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I answered my first comment elsewhere, basically hex-code 0x15 gives Ctrl+U which clears the line. However I am finding 0x01 Ctrl+A to interfere with Tmux usage. Therefore I intend to map it instead to the Home key (same functionality as Fn+Left on a Mac keyboard).
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Import Error: No module named numpy
...stion , but still one step behind. I have only one version of Python 3 installed on my Windows 7 ( sorry ) 64-bit system.
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Import error: No module name urllib2
...ython 3 named urllib.request and urllib.error. The 2to3 tool will automatically adapt imports when converting your sources to Python 3.
So you should instead be saying
from urllib.request import urlopen
html = urlopen("http://www.google.com/").read()
print(html)
Your current, now-edited code sa...
Cleaning up the iPhone simulator
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The simulator installs apps into:
"$HOME/Library/Application Support/iPhone Simulator/User/Applications"
Also check:
"$HOME/Library/Developer/CoreSimulator/Devices"
The GUID files and directories match up to the simulator's installed app...
How do you see the entire command history in interactive Python?
...s there an option like the --history option in bash shell, which shows you all the commands you've entered so far?
10 Answe...
Move the mouse pointer to a specific position?
...n adopted by - it looks like - Chrome and Firefox. It's managed by what's called Mouse Lock, and hitting escape will break it. From my brief read-up, I think the idea is that it locks the mouse to one location, and reports motion events similar to click-and-drag events.
Here's the release documenta...