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C# Interfaces. Implicit implementation versus Explicit implementation
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I'm not sure I agree with point C. A Cat object might implement IEatable but Eat() is a basic part of thing. There would be cases where you would want to just call Eat() on a Cat when you are using the 'raw' object rather than through the IEatable interface, no...
PHP equivalent of .NET/Java's toString()
...kigng for because I wanted to use it with array_walk. E.g. $array = array('cat',$object); array_walk($array,'strval'); // $array = array('cat',$object->__toString)
– Buttle Butkus
Apr 18 '14 at 23:31
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Shell script to send email [duplicate]
...les too:
mail -s "Hello world" you@youremailid.com < /home/calvin/application.log
mail doesn't support the sending of attachments, but Mutt does:
echo "Sending an attachment." | mutt -a file.zip -s "attachment" target@email.com
Note that Mutt's much more complete than mail.
You can find bet...
How can I use a file in a command and redirect output to the same file without truncating it?
...e=$(mktemp)
grep -v 'seg[0-9]\{1,\}\.[0-9]\{1\}' file_name > ${tmpfile}
cat ${tmpfile} > file_name
rm -f ${tmpfile}
like that, consider using mktemp to create the tmpfile but note that it's not POSIX.
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Regular Expression For Duplicate Words
...e out how to write a single regular expression that would "match" any duplicate consecutive words such as:
13 Answers
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Grep characters before and after match?
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grep -o -P ".{0,30}$1.{0,30}" "$2"
else
# Format was 'cat /path/to/filename | cgrep "search string"
grep -o -P ".{0,30}$1.{0,30}"
fi
} # cgrep()
Here's what it looks like in action:
$ ll /tmp/rick/scp.Mf7UdS/Mf7UdS.Source
-rw-r--r-- 1 rick rick 25780 Jul 3 19:05 /...
Is there a pretty print for PHP?
...n't return anything (unless its second parameter is true), so you can't concatenate to another string. Use the following instead: function pr($var) { print '<pre>'; print_r($var); print '</pre>'; }
– Andrew Moore
Jul 23 '09 at 13:55
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How can I pretty-print JSON using Go?
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json.MarshalIndent(data, "", "????") if you want cats. sorry
– briiC
Jun 6 '19 at 10:33
62
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Shuffling a list of objects
...[2, 1, 3, 4, 0] two list same: False
# The function sample allows no duplicates.
# Result can be smaller but not larger than the input.
a = range(555)
b = random.sample(a, len(a))
print "no duplicates:", a == list(set(b))
try:
random.sample(a, len(a) + 1)
except ValueError as e:
print "Nop...
How do I list all tables in a schema in Oracle SQL?
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select * from cat;
it will show all tables in your schema cat synonym of user_catalog
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