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Can existing virtualenv be upgraded gracefully?
...e:
python -m venv --upgrade YOUR_VENV_DIRECTORY
I just upgraded my venv from Python 3.7.x to 3.8 on several projects without any issue.
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What is the difference between require() and library()?
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The other reason I use require is that it keeps me from referring to packages as libraries, a practice that drives the R-cognoscenti up the wall. The library is the directory location where the packages sit.
– IRTFM
Apr 8 '11 at 15:53
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How do I retrieve an HTML element's actual width and height?
... Just to be clear... do any of those browsers do anything differently from eachother? I cannot find any differences... Also, I'm not down-voting (yet), but this doesn't really directly answer the question, though it could be easily editted to do so.
– Zach Lysobey
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How to detect modifier key states in WPF?
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Partly borrowing from @Josh, and somewhat similar to @Krushik, and also referencing a question about the Difference between KeyEventArgs.systemKey and KeyEventArgs.Key (answering why Josh has to use SystemKey); wherein, with modifier keys (su...
What is the MIME type for Markdown?
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Found this thread from 2008 : http://www.mail-archive.com/markdown-discuss@six.pairlist.net/msg00973.html
Seems like the mime type text/vnd.daringfireball.markdown should be registered by the author of Markdown, until then the Markdown mime t...
“Server” vs “Data Source” in connection string
...d a good explanation. I'm assuming it's due to historial reasons and users from different "worlds" coming together. Is there another reason?
– DonkeyBanana
Dec 3 '17 at 12:18
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Simple proof that GUID is not unique [closed]
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Cool - how much for the complete set, from 0 to (2^128)-1 ?
– Steve314
Nov 10 '09 at 4:06
23
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Unicode, UTF, ASCII, ANSI format differences
... - but you need to distinguish between "content that is sent back via HTTP from the web server" and "content that is sent via email". It's not the web page content that sends the email - it's the app behind it, presumably. The web content would be best in UTF-8; the mail content could be in UTF-7, a...
How do I vertically center UITextField Text?
...his takes into account the clear button being present.
override func awakeFromNib() {
contentVerticalAlignment = UIControlContentVerticalAlignment.Center
}
override func textRectForBounds(bounds: CGRect) -> CGRect {
let boundsWithClear = super.textRectForBounds(bounds)
let delta = C...
How to safely open/close files in python 2.4
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Here is example given which so how to use open and "python close
from sys import argv
script,filename=argv
txt=open(filename)
print "filename %r" %(filename)
print txt.read()
txt.close()
print "Change the file name"
file_again=raw_input('>')
print "New file name %r" %(file_again)
txt_ag...