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Grep characters before and after match?
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187
3 characters before and 4 characters after
$> echo "some123_string_and_another" | grep -o ...
MySQL's now() +1 day
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461
You can use:
NOW() + INTERVAL 1 DAY
If you are only interested in the date, not the date and ...
What's the difference between eval, exec, and compile?
...ed as an expression, so it really does not return anything).
In versions 1.0 - 2.7, exec was a statement, because CPython needed to produce a different kind of code object for functions that used exec for its side effects inside the function.
In Python 3, exec is a function; its use has no effec...
DataTable: Hide the Show Entries dropdown but keep the Search box
...es dropdown but keep the Search box in DataTable? I want to always display 10 rows with pagination at the bottom along with search box but do not want to display the Show entries dropdown.
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Can I add jars to maven 2 build classpath without installing them?
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edited Aug 9 at 15:39
Spooky
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Safely limiting Ansible playbooks to a single machine?
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13 Answers
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Insert into a MySQL table or update if exists
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11 Answers
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Any reason not to use '+' to concatenate two strings?
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122
There is nothing wrong in concatenating two strings with +. Indeed it's easier to read than ''...
Differences between “BEGIN RSA PRIVATE KEY” and “BEGIN PRIVATE KEY”
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189
See https://polarssl.org/kb/cryptography/asn1-key-structures-in-der-and-pem (search the page f...
undefined reference to boost::system::system_category() when compiling
I'm trying to compile a program on Ubuntu 11.10 that uses the Boost libraries. I have the 1.46-dev Boost libraries from the Ubuntu Repository installed, but I get an error when compiling the program.
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