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How to send email to multiple recipients using python smtplib?
After much searching I couldn't find out how to use smtplib.sendmail to send to multiple recipients. The problem was every time the mail would be sent the mail headers would appear to contain multiple addresses, but in fact only the first recipient would receive the email.
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What does the “-U” option stand for in pip install -U
Despite a ton of Googling, I can't find any docs for pip's command line options/arguments. What does pip install -U mean? Does anyone have a link to a list of pip's options and arguments?
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How to make a valid Windows filename from an arbitrary string?
I've got a string like "Foo: Bar" that I want to use as a filename, but on Windows the ":" char isn't allowed in a filename.
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Responsive image map
I have an existing image map in a responsive html layout. Images scale according to browser size, but the image coordinates are obviously fixed pixel sizes. What options do I have to resize the image map coordinates?
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What predefined macro can I use to detect clang?
I'm trying to detect the compiler used to compile my source code. I can easily find predefined macros to check for MSVC or GCC (see http://predef.sourceforge.net/ for example), but I cannot find any macro to check for clang.
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What is InnoDB and MyISAM in MySQL?
...l 24 '19 at 11:38
Steffi Keran Rani JSteffi Keran Rani J
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How to prevent form resubmission when page is refreshed (F5 / CTRL+R)
I have a simple form that submits text to my SQL table. The problem is that after the user submits the text, they can refresh the page and the data gets submitted again without filling the form again. I could redirect the user to another page after the text is submitted, but I want users to stay on ...
How to fetch all Git branches
...e one or maybe two flags. I am now trying gitless, to try to avoid the insanity of some aspects of git.
– JosephK
Dec 10 '18 at 7:33
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Django Forms: if not valid, show form with error message
I Django forms, it can check whether the form is valid:
7 Answers
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How do I get time of a Python program's execution?
I have a command line program in Python that takes a while to finish. I want to know the exact time it takes to finish running.
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