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How can I check if a Perl array contains a particular value?
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190
Simply turn the array into a hash:
my %params = map { $_ => 1 } @badparams;
if(exists($para...
C# convert int to string with padding zeros?
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i.ToString().PadLeft(4, '0') - okay, but doesn't work for negative numbers
i.ToString("0000"); - explicit form
i.ToString("D4"); - short form format specifier
$"{i:0000}"; - string interpolation (C# 6.0+)
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Step out of current function with GDB
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Melebius
4,30633 gold badges2929 silver badges4141 bronze badges
answered Jul 12 '14 at 12:03
rjerje
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How Do I Document Packages in Java?
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edited Oct 5 '12 at 18:00
answered Mar 8 '09 at 22:42
Ga...
:after vs. ::after
... own right.
Actually, better description here: http://bricss.net/post/10768584657/know-your-lingo-pseudo-class-vs-pseudo-element
Also here: http://www.evotech.net/blog/2007/05/after-v-after-what-is-double-colon-notation/
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With MySQL, how can I generate a column containing the record index in a table?
...@curRow + 1 AS row_number
FROM league_girl l
JOIN (SELECT @curRow := 0) r;
The JOIN (SELECT @curRow := 0) part allows the variable initialization without requiring a separate SET command.
Test case:
CREATE TABLE league_girl (position int, username varchar(10), score int);
INSERT INTO leagu...
Python Regex instantly replace groups
...king with this one. They should add such example.
– Y0da
Apr 26 '18 at 21:46
it worked from the firsttime, This is a p...
How can I get pg_dump to authenticate properly
... peer
host all all 127.0.0.1/32 md5
This tells Postgres to use peer authentication for local users which requires the postgres username to match your current system username. The second line refers to connections using a hostname and w...
How can I use Server.MapPath() from global.asax?
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answered Jun 1 '09 at 18:05
Corbin MarchCorbin March
24.5k66 gold badges6767 silver badges9797 bronze badges
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Checking if a folder exists (and creating folders) in Qt, C++
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answered Feb 11 '10 at 2:22
Kyle LutzKyle Lutz
7,49822 gold badges1717 silver badges2121 bronze badges
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