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Case insensitive replace
... re.sub processes escape sequences, as noted in docs.python.org/library/re.html#re.sub, you need to either escape all backslashes in your replacement string or use a lambda.
– Mark Amery
Jun 26 '16 at 16:27
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last day of month calculation
...Day(1)
See
https://docs.oracle.com/javase/8/docs/api/java/time/YearMonth.html#atEndOfMonth--
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How to send email from Terminal?
... also:
http://www.mactricksandtips.com/2008/09/send-mail-over-your-network.html
Eg:
mail -s "hello" "example@example.com" <<EOF
hello
world
EOF
This will send an email to example@example.com with the subject hello and the message
Hello
World
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How do I get the information from a meta tag with JavaScript?
...nal question used an RDFa tag with a property="" attribute. For the normal HTML <meta name="" …> tags you could use something like:
document.querySelector('meta[name="description"]').content
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How to run a makefile in Windows?
...rovided you have a Makefile.
make -f Makefile
https://cygwin.com/install.html
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Delete a key from a MongoDB document using Mongoose
... as usual.
Read more in mongoose api-ref:
http://mongoosejs.com/docs/api.html#document_Document-toObject
Example would look something like this:
User.findById(id, function(err, user) {
if (err) return next(err);
let userObject = user.toObject();
// userObject is plain object
});
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How can I find the current OS in Python? [duplicate]
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https://docs.python.org/library/os.html
To complement Greg's post, if you're on a posix system, which includes MacOS, Linux, Unix, etc. you can use os.uname() to get a better feel for what kind of system it is.
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CSS Child vs Descendant selectors
...ncestor (e.g. Joe and his great-great-grand-father)
In practice: try this HTML:
<div class="one">
<span>Span 1.
<span>Span 2.</span>
</span>
</div>
<div class="two">
<span>Span 1.
<span>Span 2.</span>
</span>
</d...
“Wrap with try…catch” in IntelliJ?
...s.com/help/idea/2016.2/surrounding-blocks-of-code-with-language-constructs.html
If you are using Ubuntu and already read above answers you may see that default key shortcut for surround with Ctrl+Alt+T is open terminal in Ubuntu.
So one way to use surround with is, in Menu Code -> Surround with....
Replace string within file contents
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Using pathlib (https://docs.python.org/3/library/pathlib.html)
from pathlib import Path
file = Path('Stud.txt')
file.write_text(file.read_text().replace('A', 'Orange'))
If input and output files were different you would use two different variables for read_text and write_text.
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