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how to use sed, awk, or gawk to print only what is matched?
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This is by far the best, and most well-explained answer so far!
– Nik Reiman
Aug 18 '16 at 9:02
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Changing default encoding of Python?
...ur PYTHONPATH.
Also you might like to try reload(sys).setdefaultencoding by @EOL
B) To control stdin.encoding and stdout.encoding you want to set PYTHONIOENCODING:
python -c 'import sys; print(sys.stdin.encoding, sys.stdout.encoding)'
ascii ascii
Then
PYTHONIOENCODING="utf-16-be" python -c...
Retrieve only the queried element in an object array in MongoDB collection
...JohnnyHK: In this case, $elemMatch is another option. I actually got here by way of a Google Group question where $elemMatch wouldn't work because it only returns the first match per document.
– Stennie
Sep 3 '12 at 4:24
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Is there any pythonic way to combine two dicts (adding values for keys that appear in both)?
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Thanks. However, this method is affected by intermediate-object-creation as summing strings is, right?
– Dr. Jan-Philip Gehrcke
Jan 22 '15 at 21:22
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Git, rewrite previous commit usernames and emails
...id, if it is only the commits you have made to your local repository, then by all means fix this before you push up to the server. You can use the git filter-branch command with the --commit-filter option, so it only edits commits which match your incorrect info, like this:
git filter-branch --comm...
How to make the corners of a button round?
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it crashed: Caused by: org.xmlpull.v1.XmlPullParserException: Binary XML file line #24: <item> tag requires a 'drawable' attribute or child tag defining a drawable
– Zennichimaro
Jul 3 '14 at 7:50
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Iterating through a Collection, avoiding ConcurrentModificationException when removing objects in a
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by the way removeIf uses Iterator and while loop. You can see it at java 8 java.util.Collection.java
– omerhakanbilici
Oct 31 '16 at 14:10
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Shell command to sum integers, one per line?
... script like this could be modified to add up a second column of data just by changing the $1 to $2
– Paul Dixon
Jan 16 '09 at 16:02
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Connect to Amazon EC2 file directory using Filezilla and SFTP
... For WordPress users with the most used WordPress Certified by Bitnami installation, it is on a Ubuntu server and therefore the username ubuntu :)
– Peter Højlund Andersen
Mar 12 '19 at 19:36
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When do you use the Bridge Pattern? How is it different from Adapter pattern?
...fusing. There is a good example of the Bridge pattern in "Design patterns" by the GoF, where implementation is platform dependent: IBM's PM, UNIX's X etc.
– clapas
Sep 6 '17 at 16:12
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