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Appending the same string to a list of strings in Python
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This seems to be the fastest solution. If you will be repeating this process with multiple lists, you can further speed things up by defining the lambda function once and reusing it for each list.
– Leland Hepworth
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Appending a line to a file only if it does not already exist
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See also Why is testing "$?" to see if a command succeeded or not, an anti-pattern?
– tripleee
Jul 18 at 16:36
add a...
How to attribute a single commit to multiple developers?
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Commit: a <a@a>
CommitDate: Tue Apr 12 09:18:53 2016 +0000
Test commit.
[1] Difference between author and committer in Git?
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fo...
Composer killed while updating
...ile, fetching the exact same versions every time rather than finding the latest versions of every package. This makes your app less likely to break, and composer uses less memory.
Read more here: https://getcomposer.org/doc/01-basic-usage.md#installing-with-composer-lock
Alternatively, you can uploa...
Should I size a textarea with CSS width / height or HTML cols / rows attributes?
...idth:100%;min-height:50px;height:100%;width:100%;" ></textarea>
Tested in angularjs and angular7
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How to obtain the last path segment of a URI
..." <-- incorrect
return url.replaceFirst(".*/([^/?]+).*", "$1");
}
Test Code:
public static void main(final String[] args){
System.out.println(getLastBitFromUrl(
"http://example.com/foo/bar/42?param=true"));
System.out.println(getLastBitFromUrl("http://example.com/foo"));
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Split large string in n-size chunks in JavaScript
... As this answer is now nearly 3 years old, I wanted to try the performance test made by @Vivin again. So FYI, splitting 100k characters two by two using the given regex is instantaneous on Chrome v33.
– aymericbeaumet
Mar 13 '14 at 14:56
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Are delphi variables initialized with a value by default?
I'm new to Delphi, and I've been running some tests to see what object variables and stack variables are initialized to by default:
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ORDER BY the IN value list
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In Postgres 9.4 or later, this is probably simplest and fastest:
SELECT c.*
FROM comments c
JOIN unnest('{1,3,2,4}'::int[]) WITH ORDINALITY t(id, ord) USING (id)
ORDER BY t.ord;
Using the new WITH ORDINALITY, that @a_horse already mentioned.
We don't need a subquery, we can ...
Can the Unix list command 'ls' output numerical chmod permissions?
...f ( k )
{
printf( "%0o%0o ", s, k )
}
print
}'
For test:
touch blah
chmod 7444 blah
will result in:
7444 -r-Sr-Sr-T 1 cheko cheko 0 2009-12-05 01:03 blah
and
touch blah
chmod 7555 blah
will give:
7555 -r-sr-sr-t 1 cheko cheko 0 2009-12-05 01:03 blah
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